+// Here is the calling sequence associated with this file
+// SPDSector(TGeoVolume *moth,TGeoManager *mgr)
+// -----CarbonFiberSector(TGeoVolume *moth,Double_t &xAAtubeCenter0,
+// Double_t &yAAtubeCenter0,TGeoManager *mgr)
+// -----2* SPDsectorShape(Int_t n,const Double_t *xc,const Double_t *yc,
+// | const Double_t *r,const Double_t *ths,
+// | const Double_t *the,Int_t npr,Int_t &m,
+// | Double_t **xp,Double_t **yp)
+// -----StavesInSector(TGeoVolume *moth,TGeoManager *mgr)
+// -----3* CreaeStave(Int_t layer,TArrayD &sizes,Bool_t addClips,
+// | TGeoManager *mgr)
+// | -----2* CreateHalfStave(Boot_t isRight,Int_t layer,
+// | Int_t idxCentral,Int_t idxSide,
+// | TArrayD &sizes,Bool_t addClips,
+// | TGeoManager *mgr)
+// | -----CreateGrondingFoil(Bool_t isRight,TArrayD &sizes,
+// | | TGeoManager *mgr)
+// | | -----4* CreateGroundingFoilSingle(Int_t type,
+// | | TArrayD &sizes,
+// | | TGeoManger *mgr)
+// | |----CreateLadder(Int_t layer, TArrayD &sizes,
+// | | TGeoManager *mgr)
+// | |----CreateMCM(Bool_t isRight,TArrayD &sizes,
+// | | TGeoManger *mgr)
+// | |----CreatePixelBus(Bool_t isRight,TArrayD &sizes,
+// | | TGeoManager *mgr)
+// | -----CreateClip(TArrayD &sizes,TGeoManager *mgr)
+// |----GetSectorMountingPoints(Int_t index,Double_t &x0,
+// | Double_t &y0,Double_t &x1,
+// | Double_t y1)
+// -----3* ParallelPosition(Double_t dist1,Double_t dist2,
+// Double_t phi,Double_t &x,Double_t &y)
+//
+// Obsoleate or presently unused routines are: setAddStave(Bool_t *mask),
+// CreatePixelBusAndExtensions(...) which calles CreateExtender(...).
+
+/* $Id$ */
+
+
+// General Root includes
+#include <Riostream.h>
+#include <TMath.h>
+#include <TLatex.h>
+#include <TCanvas.h>
+#include <TPolyLine.h>
+#include <TPolyMarker.h>
+
+// Root Geometry includes
+#include <TGeoCompositeShape.h>
+#include <TGeoEltu.h>
+#include <TGeoGlobalMagField.h>
+#include <TGeoMaterial.h>
+#include <TGeoMatrix.h>
+#include <TGeoMedium.h>
+#include <TGeoTube.h> // contains TGeoTubeSeg
+#include <TGeoVolume.h>
+#include <TGeoXtru.h>
+#include <TGeoPcon.h>
+#include <TGeoPgon.h>
+#include <TGeoArb8.h>
+
+// AliRoot includes
+#include "AliLog.h"
+#include "AliMagF.h"
+#include "AliRun.h"
+
+// Declaration file
+#include "AliITSv11GeometrySPD.h"
+#include "AliITSv11GeomCableRound.h"
+
+// Constant definistions
+const Double_t AliITSv11GeometrySPD::fgkGapLadder =
+ AliITSv11Geometry::fgkmicron*75.; // 75 microns
+const Double_t AliITSv11GeometrySPD::fgkGapHalfStave =
+ AliITSv11Geometry::fgkmicron*120.; // 120 microns
+
+using std::endl;
+using std::cout;
+using std::ios;
+ClassImp(AliITSv11GeometrySPD)
+//______________________________________________________________________
+AliITSv11GeometrySPD::AliITSv11GeometrySPD(/*Double_t gap*/):
+AliITSv11Geometry(),// Default constructor of base class
+fAddStave(), // [DEBUG] must be TRUE for all staves which will be
+ // mounted in the sector (used to check overlaps)
+fSPDsectorX0(0), // X of first edge of sector plane for stave
+fSPDsectorY0(0), // Y of first edge of sector plane for stave
+fSPDsectorX1(0), // X of second edge of sector plane for stave
+fSPDsectorY1(0), // Y of second edge of sector plane for stave
+fTubeEndSector() // coordinate of cooling tube ends
+{
+ //
+ // Default constructor.
+ // This does not initialize anything and is provided just for
+ // completeness. It is recommended to use the other one.
+ // The alignment gap is specified as argument (default = 0.0075 cm).
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // A default constructed AliITSv11GeometrySPD class.
+ //
+ Int_t i = 0,j=0,k=0;
+
+ for (i = 0; i < 6; i++) fAddStave[i] = kTRUE;
+ for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++){
+ this->fTubeEndSector[k][0][i][j] = 0.0;
+ this->fTubeEndSector[k][1][i][j] = 0.0;
+ } // end for i,j
+}
+//______________________________________________________________________
+AliITSv11GeometrySPD::AliITSv11GeometrySPD(Int_t debug/*, Double_t gap*/):
+AliITSv11Geometry(debug),// Default constructor of base class
+fAddStave(), // [DEBUG] must be TRUE for all staves which will be
+ // mounted in the sector (used to check overlaps)
+fSPDsectorX0(0), // X of first edge of sector plane for stave
+fSPDsectorY0(0), // Y of first edge of sector plane for stave
+fSPDsectorX1(0), // X of second edge of sector plane for stave
+fSPDsectorY1(0), // Y of second edge of sector plane for stave
+fTubeEndSector() // coordinate of cooling tube ends
+{
+ //
+ // Constructor with debug setting argument
+ // This is the constructor which is recommended to be used.
+ // It sets a debug level, and initializes the name of the object.
+ // The alignment gap is specified as argument (default = 0.0075 cm).
+ // Inputs:
+ // Int_t debug Debug level, 0= no debug output.
+ // Outputs:
+ // none.
+ // Return:
+ // A default constructed AliITSv11GeometrySPD class.
+ //
+ Int_t i = 0,j=0,k=0;
+
+ for (i = 0; i < 6; i++) fAddStave[i] = kTRUE;
+ for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++){
+ this->fTubeEndSector[k][0][i][j] = 0.0;
+ this->fTubeEndSector[k][1][i][j] = 0.0;
+ } // end for i,j
+}
+//______________________________________________________________________
+AliITSv11GeometrySPD::AliITSv11GeometrySPD(const AliITSv11GeometrySPD &s):
+AliITSv11Geometry(s),// Base Class Copy constructor
+fAddStave(), // [DEBUG] must be TRUE for all staves which will be
+ // mounted in the sector (used to check overlaps)
+fSPDsectorX0(s.fSPDsectorX0), // X of first edge of sector plane for stave
+fSPDsectorY0(s.fSPDsectorY0), // Y of first edge of sector plane for stave
+fSPDsectorX1(s.fSPDsectorX1), // X of second edge of sector plane for stave
+fSPDsectorY1(s.fSPDsectorY1) // Y of second edge of sector plane for stave
+{
+ //
+ // Copy Constructor
+ // Inputs:
+ // AliITSv11GeometrySPD &s source class
+ // Outputs:
+ // none.
+ // Return:
+ // A copy of a AliITSv11GeometrySPD class.
+ //
+ Int_t i=0,j=0,k=0;
+
+ for (i = 0; i < 6; i++) this->fAddStave[i] = s.fAddStave[i];
+ for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++){
+ this->fTubeEndSector[k][0][i][j] = s.fTubeEndSector[k][0][i][j];
+ this->fTubeEndSector[k][1][i][j] = s.fTubeEndSector[k][1][i][j];
+ } // end for i,j
+}
+//______________________________________________________________________
+AliITSv11GeometrySPD& AliITSv11GeometrySPD::operator=(const
+ AliITSv11GeometrySPD &s)
+{
+ //
+ // = operator
+ // Inputs:
+ // AliITSv11GeometrySPD &s source class
+ // Outputs:
+ // none.
+ // Return:
+ // A copy of a AliITSv11GeometrySPD class.
+ //
+ Int_t i=0,j=0,k=0;
+
+ if(this==&s) return *this;
+ for (i = 0; i < 6; i++) this->fAddStave[i] = s.fAddStave[i];
+ this->fSPDsectorX0=s.fSPDsectorX0;
+ this->fSPDsectorY0=s.fSPDsectorY0;
+ this->fSPDsectorX1=s.fSPDsectorX1;
+ this->fSPDsectorY1=s.fSPDsectorY1;
+ for(k=0;k<10;k++)for(i=0;i<6;i++)for(j=0;j<3;j++){
+ this->fTubeEndSector[k][0][i][j] = s.fTubeEndSector[k][0][i][j];
+ this->fTubeEndSector[k][1][i][j] = s.fTubeEndSector[k][1][i][j];
+ } // end for i,j
+ return *this;
+}
+//______________________________________________________________________
+TGeoMedium* AliITSv11GeometrySPD::GetMedium(const char* mediumName,
+ const TGeoManager *mgr) const
+{
+ //
+ // This function is used to recovery any medium
+ // used to build the geometry volumes.
+ // If the required medium does not exists,
+ // a NULL pointer is returned, and an error message is written.
+ //
+ Char_t itsMediumName[30];
+
+ snprintf(itsMediumName, 30, "ITS_%s", mediumName);
+ TGeoMedium* medium = mgr->GetMedium(itsMediumName);
+ if (!medium) AliError(Form("Medium <%s> not found", mediumName));
+
+ return medium;
+}
+
+//______________________________________________________________________
+void AliITSv11GeometrySPD::SPDSector(TGeoVolume *moth, TGeoManager *mgr)
+{
+ //
+ // Creates a single SPD carbon fiber sector and places it
+ // in a container volume passed as first argument ('moth').
+ // Second argument points to the TGeoManager which coordinates
+ // the overall volume creation.
+ // The position of the sector is based on distance of
+ // closest point of SPD stave to beam pipe
+ // (figures all-sections-modules.ps) of 7.22mm at section A-A.
+ //
+
+ // Begin_Html
+ /*
+ <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.ps"
+ title="SPD Sector drawing with all cross sections defined">
+ <p>The SPD Sector definition. In
+ <a href="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.hpgl">HPGL</a> format.
+ <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly-10-modules.ps"
+ titile="SPD All Sectors end view with thermal sheald">
+ <p>The SPD all sector end view with thermal sheald.
+ <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/assembly.ps"
+ title="SPD side view cross section">
+ <p>SPD side view cross section with condes and thermal shealds.
+ <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-A_A.jpg"
+ title="Cross section A-A"><p>Cross section A-A.
+ <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-B_B.jpg"
+ title="Cross updated section A-A"><p>Cross updated section A-A.
+ <img src="http://physics.mps.ohio-state.edu/~nilsen/ITSfigures/Sezione_layerAA.pdf"
+ title="Cross section B-B"><p>Cross section B-B.
+ <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-C_C.jpg"
+ title-"Cross section C-C"><p>Cross section C-C.
+ <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-D_D.jpg"
+ title="Cross section D-D"><p>Cross section D-D.
+ <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-E_E.jpg"
+ title="Cross section E-E"><p>Cross section E-E.
+ <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-F_F.jpg"
+ title="Cross section F-F"><p>Cross section F-F.
+ <img src="http://alice.pd.infn.it/latestdr/Geometric-Revision/SECTION-G_G.jpg"
+ title="Cross section G-G"><p>Cross section G-G.
+ */
+ // End_Html
+
+ // Inputs:
+ // TGeoVolume *moth Pointer to mother volume where this object
+ // is to be placed in
+ // TGeoManager *mgr Pointer to the TGeoManager used, defaule is
+ // gGeoManager.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ // Updated values for kSPDclossesStaveAA, kBeamPipeRadius, and
+ // staveThicknessAA are taken from
+ // http://physics.mps.ohio-state.edu/~nilsen/ITSfigures/Sezione_layerAA.pdf
+ //
+ const Double_t kSPDclossesStaveAA = 7.25* fgkmm;
+ const Double_t kSectorStartingAngle = -72.0 * fgkDegree;
+ const Int_t kNSectorsTotal = 10;
+ const Double_t kSectorRelativeAngle = 36.0 * fgkDegree; // = 360.0 / 10
+ const Double_t kBeamPipeRadius = 0.5 * 59.6 * fgkmm; // diam. = 59.6 mm
+ //const Double_t staveThicknessAA = 0.9 *fgkmm; // nominal thickness
+ const Double_t staveThicknessAA = 1.02 * fgkmm; // get from stave geometry.
+
+ Int_t i, j, k;
+ Double_t angle, radiusSector, xAAtubeCenter0, yAAtubeCenter0;
+ TGeoCombiTrans *secRot = new TGeoCombiTrans(), *comrot;
+ TGeoVolume *vCarbonFiberSector[10];
+ TGeoMedium *medSPDcf;
+
+ // Define an assembly and fill it with the support of
+ // a single carbon fiber sector and staves in it
+ medSPDcf = GetMedium("SPD C (M55J)$", mgr);
+ for(Int_t is=0; is<10; is++)
+ {
+ vCarbonFiberSector[is] = new TGeoVolumeAssembly("ITSSPDCarbonFiberSectorV");
+ vCarbonFiberSector[is]->SetMedium(medSPDcf);
+ CarbonFiberSector(vCarbonFiberSector[is], is, xAAtubeCenter0, yAAtubeCenter0, mgr);
+ }
+
+ // Compute the radial shift out of the sectors
+ radiusSector = kBeamPipeRadius + kSPDclossesStaveAA + staveThicknessAA;
+ radiusSector = GetSPDSectorTranslation(fSPDsectorX0.At(1), fSPDsectorY0.At(1),
+ fSPDsectorX1.At(1), fSPDsectorY1.At(1), radiusSector);
+ //radiusSector *= radiusSector; // squaring;
+ //radiusSector -= xAAtubeCenter0 * xAAtubeCenter0;
+ //radiusSector = -yAAtubeCenter0 + TMath::Sqrt(radiusSector);
+
+ AliDebug(1, Form("SPDSector : radiusSector=%f\n",radiusSector));
+ i = 1;
+ AliDebug(1, Form("i= %d x0=%f y0=%f x1=%f y1=%f\n", i,
+ fSPDsectorX0.At(i), fSPDsectorY0.At(i),
+ fSPDsectorX1.At(i),fSPDsectorY1.At(i)));
+
+ // add 10 single sectors, by replicating the virtual sector defined above
+ // and placing at different angles
+ Double_t shiftX, shiftY, tub[2][6][3];
+ for(i=0;i<2;i++)for(j=0;j<6;j++)for(k=0;k<3;k++) tub[i][j][k] = fTubeEndSector[0][i][j][k];
+ angle = kSectorStartingAngle;
+ secRot->RotateZ(angle);
+ TGeoVolumeAssembly *vcenteral = new TGeoVolumeAssembly("ITSSPD");
+ moth->AddNode(vcenteral, 1, 0);
+ for(i = 0; i < kNSectorsTotal; i++) {
+ shiftX = -radiusSector * TMath::Sin(angle/fgkRadian);
+ shiftY = radiusSector * TMath::Cos(angle/fgkRadian);
+ //cout << "ANGLE = " << angle << endl;
+ shiftX += 0.1094 * TMath::Cos((angle + 196.)/fgkRadian);
+ shiftY += 0.1094 * TMath::Sin((angle + 196.)/fgkRadian);
+ //shiftX -= 0.105;
+ //shiftY -= 0.031;
+ //shiftX -= 0.11 * TMath::Cos(angle/fgkRadian); // add by Alberto
+ //shiftY -= 0.11 * TMath::Sin(angle/fgkRadian); // don't ask me where that 0.11 comes from!
+ secRot->SetDx(shiftX);
+ secRot->SetDy(shiftY);
+ comrot = new TGeoCombiTrans(*secRot);
+ vcenteral->AddNode(vCarbonFiberSector[i],i+1,comrot);
+ for(j=0;j<2;j++)for(k=0;k<6;k++) // Transform Tube ends for each sector
+ comrot->LocalToMaster(tub[j][k],fTubeEndSector[i][j][k]);
+ if(GetDebug(5)) {
+ AliInfo(Form("i=%d angle=%g angle[rad]=%g radiusSector=%g "
+ "x=%g y=%g \n",i, angle, angle/fgkRadian,
+ radiusSector, shiftX, shiftY));
+ } // end if GetDebug(5)
+ angle += kSectorRelativeAngle;
+ secRot->RotateZ(kSectorRelativeAngle);
+ } // end for i
+ if(GetDebug(3)) moth->PrintNodes();
+ delete secRot;
+
+ CreateCones(moth);
+ CreateServices(moth);
+}
+//______________________________________________________________________
+void AliITSv11GeometrySPD::CarbonFiberSector(TGeoVolume *moth, Int_t sect,
+ Double_t &xAAtubeCenter0, Double_t &yAAtubeCenter0, TGeoManager *mgr)
+{
+ // The method has been modified in order to build a support sector
+ // whose shape is dependent on the sector number; the aim is to get
+ // as close as possible to the shape inferred from alignment
+ // and avoid as much as possible overlaps generated by alignment.
+ //
+ // Define the detail SPD Carbon fiber support Sector geometry.
+ // Based on the drawings:
+ /*
+ http:///QA-construzione-profilo-modulo.ps
+ */
+ // - ALICE-Pixel "Costruzione Profilo Modulo" (march 25 2004)
+ // - ALICE-SUPPORTO "Costruzione Profilo Modulo"
+ // ---
+ // Define outside radii as negative, where "outside" means that the
+ // center of the arc is outside of the object (feb 16 2004).
+ // ---
+ // Arguments [the one passed by ref contain output values]:
+ // Inputs:
+ // TGeoVolume *moth the voulme which will contain this object
+ // TGeoManager *mgr TGeo builder defauls is gGeoManager
+ // Outputs:
+ // Double_t &xAAtubeCenter0 (by ref) x location of the outer surface
+ // of the cooling tube center for tube 0.
+ // Double_t &yAAtubeCenter0 (by ref) y location of the outer surface
+ // of the cooling tube center for tube 0.
+ // Return:
+ // none.
+ // ---
+ // Int the two variables passed by reference values will be stored
+ // which will then be used to correctly locate this sector.
+ // The information used for this is the distance between the
+ // center of the #0 detector and the beam pipe.
+ // Measurements are taken at cross section A-A.
+ //
+
+ //TGeoMedium *medSPDfs = 0;//SPD support cone inserto stesalite 4411w
+ //TGeoMedium *medSPDfo = 0;//SPD support cone foam, Rohacell 50A.
+ //TGeoMedium *medSPDal = 0;//SPD support cone SDD mounting bracket Al
+ TGeoMedium *medSPDcf = GetMedium("SPD C (M55J)$", mgr);
+ TGeoMedium *medSPDss = GetMedium("INOX$", mgr);
+ TGeoMedium *medSPDcoolfl = GetMedium("Freon$", mgr); //ITSspdCoolingFluid
+ //
+ const Double_t ksecDz = 0.5 * 500.0 * fgkmm;
+ //const Double_t ksecLen = 30.0 * fgkmm;
+ const Double_t ksecCthick = 0.2 * fgkmm;
+ const Double_t ksecDipLength = 3.2 * fgkmm;
+ const Double_t ksecDipRadii = 0.4 * fgkmm;
+ //const Double_t ksecCoolingTubeExtraDepth = 0.86 * fgkmm;
+ //
+ // The following positions ('ksecX#' and 'ksecY#') and radii ('ksecR#')
+ // are the centers and radii of curvature of all the rounded corners
+ // between the straight borders of the SPD sector shape.
+ // To draw this SPD sector, the following steps are followed:
+ // 1) the (ksecX, ksecY) points are plotted
+ // and circles of the specified radii are drawn around them.
+ // 2) each pair of consecutive circles is connected by a line
+ // tangent to them, in accordance with the radii being "internal"
+ // or "external" with respect to the closed shape which describes
+ // the sector itself.
+ // The resulting connected shape is the section
+ // of the SPD sector surface in the transverse plane (XY).
+ //
+ const Double_t ksecX0 = -10.725 * fgkmm;
+ const Double_t ksecY0 = -14.853 * fgkmm;
+ const Double_t ksecR0 = -0.8 * fgkmm; // external
+
+ const Double_t ksecR1 = +0.6 * fgkmm;
+ const Double_t ksecR2 = +0.6 * fgkmm;
+ const Double_t ksecR3 = -0.6 * fgkmm;
+ const Double_t ksecR4 = +0.8 * fgkmm;
+ const Double_t ksecR5 = +0.8 * fgkmm;
+ const Double_t ksecR6 = +0.6 * fgkmm;
+ const Double_t ksecR7 = -0.6 * fgkmm;
+ const Double_t ksecR8 = +0.6 * fgkmm;
+ const Double_t ksecR9 = -0.6 * fgkmm;
+ const Double_t ksecR10 = +0.6 * fgkmm;
+ const Double_t ksecR11 = -0.6 * fgkmm;
+ const Double_t ksecR12 = +0.85 * fgkmm;
+
+// // IDEAL GEOMETRY
+// const Double_t ksecX1[10] ={-1.3187,-1.3187,-1.3187,-1.3187,-1.3187,-1.3187,-1.3187,-1.3187,-1.3187,-1.3187};
+// const Double_t ksecY1[10] ={-1.9964,-1.9964,-1.9964,-1.9964,-1.9964,-1.9964,-1.9964,-1.9964,-1.9964,-1.9964};
+// const Double_t ksecX2[10] ={-0.3833,-0.3833,-0.3833,-0.3833,-0.3833,-0.3833,-0.3833,-0.3833,-0.3833,-0.3833};
+// const Double_t ksecY2[10] ={-1.7805,-1.7805,-1.7805,-1.7805,-1.7805,-1.7805,-1.7805,-1.7805,-1.7805,-1.7805};
+// const Double_t ksecX3[10] ={-0.3123,-0.3123,-0.3123,-0.3123,-0.3123,-0.3123,-0.3123,-0.3123,-0.3123,-0.3123};
+// const Double_t ksecY3[10] ={-1.4618,-1.4618,-1.4618,-1.4618,-1.4618,-1.4618,-1.4618,-1.4618,-1.4618,-1.4618};
+// const Double_t ksecX4[10] ={+1.1280,+1.1280,+1.1280,+1.1280,+1.1280,+1.1280,+1.1280,+1.1280,+1.1280,+1.1280};
+// const Double_t ksecY4[10] ={-1.4473,-1.4473,-1.4473,-1.4473,-1.4473,-1.4473,-1.4473,-1.4473,-1.4473,-1.4473};
+// const Double_t ksecX5[10] ={+1.9544,+1.9544,+1.9544,+1.9544,+1.9544,+1.9544,+1.9544,+1.9544,+1.9544,+1.9544};
+// const Double_t ksecY5[10] ={+1.0961,+1.0961,+1.0961,+1.0961,+1.0961,+1.0961,+1.0961,+1.0961,+1.0961,+1.0961};
+// const Double_t ksecX6[10] ={+1.0830,+1.0830,+1.0830,+1.0830,+1.0830,+1.0830,+1.0830,+1.0830,+1.0830,+1.0830};
+// const Double_t ksecY6[10] ={+1.6868,+1.6868,+1.6868,+1.6868,+1.6868,+1.6868,+1.6868,+1.6868,+1.6868,+1.6868};
+// const Double_t ksecX7[10] ={+1.1581,+1.1581,+1.1581,+1.1581,+1.1581,+1.1581,+1.1581,+1.1581,+1.1581,+1.1581};
+// const Double_t ksecY7[10] ={+1.3317,+1.3317,+1.3317,+1.3317,+1.3317,+1.3317,+1.3317,+1.3317,+1.3317,+1.3317};
+// const Double_t ksecX8[10] ={-0.0733,-0.0733,-0.0733,-0.0733,-0.0733,-0.0733,-0.0733,-0.0733,-0.0733,-0.0733};
+// const Double_t ksecY8[10] ={+1.7486,+1.7486,+1.7486,+1.7486,+1.7486,+1.7486,+1.7486,+1.7486,+1.7486,+1.7486};
+// const Double_t ksecX9[10] ={+0.0562,+0.0562,+0.0562,+0.0562,+0.0562,+0.0562,+0.0562,+0.0562,+0.0562,+0.0562};
+// const Double_t ksecY9[10] ={+1.4107,+1.4107,+1.4107,+1.4107,+1.4107,+1.4107,+1.4107,+1.4107,+1.4107,+1.4107};
+// const Double_t ksecX10[10]={-1.2252,-1.2252,-1.2252,-1.2252,-1.2252,-1.2252,-1.2252,-1.2252,-1.2252,-1.2252};
+// const Double_t ksecY10[10]={+1.6298,+1.6298,+1.6298,+1.6298,+1.6298,+1.6298,+1.6298,+1.6298,+1.6298,+1.6298};
+// const Double_t ksecX11[10]={-1.0445,-1.0445,-1.0445,-1.0445,-1.0445,-1.0445,-1.0445,-1.0445,-1.0445,-1.0445};
+// const Double_t ksecY11[10]={+1.3162,+1.3162,+1.3162,+1.3162,+1.3162,+1.3162,+1.3162,+1.3162,+1.3162,+1.3162};
+// const Double_t ksecX12[10]={-2.2276,-2.2276,-2.2276,-2.2276,-2.2276,-2.2276,-2.2276,-2.2276,-2.2276,-2.2276};
+// const Double_t ksecY12[10]={+1.2948,+1.2948,+1.2948,+1.2948,+1.2948,+1.2948,+1.2948,+1.2948,+1.2948,+1.2948};
+
+
+// MODIFIED GEOMETRY according with partial alignment of Staves relative to Sectors
+// last numbers: 2010/06/11 (ML)
+
+ const Double_t ksecX1[10]={-1.305917, -1.322242, -1.300649, -1.298700, -1.290830, -1.274307, -1.276433, -1.286468, -1.274381, -1.314864};
+ const Double_t ksecY1[10]={-1.997857, -2.018611, -2.005854, -2.004897, -1.995517, -2.002552, -1.995860, -2.021062, -2.012931, -2.043967};
+ const Double_t ksecX2[10]={-0.366115, -0.385562, -0.372689, -0.365682, -0.348432, -0.348442, -0.342468, -0.354071, -0.346900, -0.381275};
+ const Double_t ksecY2[10]={-1.801679, -1.808306, -1.759315, -1.778851, -1.811655, -1.747888, -1.773811, -1.792427, -1.764514, -1.820324};
+// const Double_t ksecX1[10]={-1.305917, -1.322242, -1.300649, -1.298700, -1.290830, -1.274307, -1.276433, -1.286468, -1.274381, -1.325864};
+// const Double_t ksecY1[10]={-1.997857, -2.018611, -2.005854, -2.004897, -1.995517, -2.002552, -1.995860, -2.021062, -2.012931, -2.032967};
+// const Double_t ksecX2[10]={-0.366115, -0.385562, -0.372689, -0.365682, -0.348432, -0.348442, -0.342468, -0.354071, -0.346900, -0.392275};
+// const Double_t ksecY2[10]={-1.801679, -1.808306, -1.759315, -1.778851, -1.811655, -1.747888, -1.773811, -1.792427, -1.764514, -1.809324};
+ const Double_t ksecX3[10]={-0.314030, -0.315531, -0.347521, -0.337675, -0.300420, -0.378487, -0.330729, -0.330850, -0.362360, -0.321097};
+ const Double_t ksecY3[10]={-1.452488, -1.460418, -1.447060, -1.443146, -1.472410, -1.430019, -1.469073, -1.472048, -1.462010, -1.444355};
+ const Double_t ksecX4[10]={1.124299, 1.124162, 1.089523, 1.095520, 1.136171, 1.058616, 1.105626, 1.106433, 1.077455, 1.117946};
+ const Double_t ksecY4[10]={-1.458714, -1.452649, -1.465297, -1.492717, -1.494665, -1.447732, -1.493369, -1.488126, -1.452925, -1.443447};
+ const Double_t ksecX5[10]={1.951621, 1.939284, 1.931830, 1.935235, 1.952206, 1.939082, 1.924822, 1.940114, 1.918160, 1.960017};
+ const Double_t ksecY5[10]={1.092731, 1.118870, 1.129765, 1.129422, 1.081511, 1.127387, 1.103960, 1.101784, 1.121428, 1.150110};
+ const Double_t ksecX6[10]={1.070070, 1.048297, 1.035920, 1.049049, 1.083621, 1.045882, 1.050399, 1.067823, 1.037967, 1.070850};
+ const Double_t ksecY6[10]={1.667590, 1.678571, 1.681383, 1.696892, 1.676520, 1.683470, 1.689988, 1.691111, 1.698432, 1.712770};
+ const Double_t ksecX7[10]={1.139398, 1.150471, 1.150074, 1.132807, 1.150192, 1.124064, 1.124335, 1.137723, 1.143056, 1.130568};
+ const Double_t ksecY7[10]={1.345588, 1.356062, 1.342468, 1.320467, 1.335807, 1.334477, 1.328622, 1.347184, 1.319861, 1.308420};
+ const Double_t ksecX8[10]={-0.096963, -0.098603, -0.095286, -0.099990, -0.075132, -0.121593, -0.108673, -0.104237, -0.092082, -0.104044};
+ const Double_t ksecY8[10]={1.751207, 1.731467, 1.726908, 1.734219, 1.766159, 1.718203, 1.741891, 1.739743, 1.728288, 1.718046};
+ const Double_t ksecX9[10]={0.047615, 0.087875, 0.034917, 0.071603, 0.026468, 0.091619, 0.051994, 0.059947, 0.079785, 0.043443};
+ const Double_t ksecY9[10]={1.414699, 1.403187, 1.399061, 1.403430, 1.435056, 1.384557, 1.397692, 1.420269, 1.391372, 1.398954};
+ const Double_t ksecX10[10]={-1.233255, -1.186874, -1.246702, -1.213368, -1.259425, -1.190067, -1.225655, -1.224171, -1.197833, -1.237182};
+ const Double_t ksecY10[10]={1.635767, 1.646249, 1.617336, 1.608928, 1.636944, 1.602583, 1.630504, 1.629065, 1.624295, 1.620934};
+ const Double_t ksecX11[10]={-1.018270, -1.031317, -0.960524, -1.001155, -1.045437, -0.986867, -1.002685, -1.017369, -1.005614, -0.985385};
+ const Double_t ksecY11[10]={1.318108, 1.330683, 1.301572, 1.314410, 1.326680, 1.295226, 1.306372, 1.309414, 1.306542, 1.307086};
+ const Double_t ksecX12[10]={-2.199004, -2.214964, -2.139247, -2.180547, -2.224505, -2.165324, -2.175883, -2.193485, -2.183227, -2.161570};
+ const Double_t ksecY12[10]={1.317677, 1.303982, 1.317057, 1.324766, 1.339537, 1.312715, 1.359642, 1.343638, 1.330234, 1.340836};
+
+
+ const Double_t ksecR13 = -0.8 * fgkmm; // external
+ const Double_t ksecAngleSide13 = 36.0 * fgkDegree;
+ //
+ const Int_t ksecNRadii = 20;
+ const Int_t ksecNPointsPerRadii = 4;
+ const Int_t ksecNCoolingTubeDips = 6;
+ //
+ // Since the rounded parts are approximated by a regular polygon
+ // and a cooling tube of the propper diameter must fit, a scaling factor
+ // increases the size of the polygon for the tube to fit.
+ //const Double_t ksecRCoolScale = 1./TMath::Cos(TMath::Pi()/
+ // (Double_t)ksecNPointsPerRadii);
+ const Double_t ksecZEndLen = 30.000 * fgkmm;
+ //const Double_t ksecZFlangLen = 45.000 * fgkmm;
+ const Double_t ksecTl = 0.860 * fgkmm;
+ const Double_t ksecCthick2 = 0.600 * fgkmm;
+ //const Double_t ksecCthick3 = 1.80 * fgkmm;
+ //const Double_t ksecSidelen = 22.0 * fgkmm;
+ //const Double_t ksecSideD5 = 3.679 * fgkmm;
+ //const Double_t ksecSideD12 = 7.066 * fgkmm;
+ const Double_t ksecRCoolOut = 2.400 * fgkmm;
+ const Double_t ksecRCoolIn = 2.000 * fgkmm;
+ const Double_t ksecDl1 = 5.900 * fgkmm;
+ const Double_t ksecDl2 = 8.035 * fgkmm;
+ const Double_t ksecDl3 = 4.553 * fgkmm;
+ const Double_t ksecDl4 = 6.978 * fgkmm;
+ const Double_t ksecDl5 = 6.978 * fgkmm;
+ const Double_t ksecDl6 = 6.978 * fgkmm;
+ const Double_t ksecCoolTubeThick = 0.04 * fgkmm;
+ const Double_t ksecCoolTubeROuter = 2.6 * fgkmm;
+ const Double_t ksecCoolTubeFlatX = 3.696 * fgkmm;
+ const Double_t ksecCoolTubeFlatY = 0.68 * fgkmm;
+ //const Double_t ksecBeamX0 = 0.0 * fgkmm; // guess
+ //const Double_t ksecBeamY0 = (15.223 + 40.) * fgkmm; // guess
+ //
+ // redefine some of the points already defined above
+ // in the format of arrays (???)
+ const Int_t ksecNPoints = (ksecNPointsPerRadii + 1) * ksecNRadii + 8;
+ Double_t secX[ksecNRadii] = {
+ ksecX0, ksecX1[sect], -1000.0,
+ ksecX2[sect], ksecX3[sect], -1000.0,
+ ksecX4[sect], ksecX5[sect], -1000.0,
+ ksecX6[sect], ksecX7[sect], -1000.0,
+ ksecX8[sect], ksecX9[sect], -1000.0,
+ ksecX10[sect], ksecX11[sect], -1000.0,
+ ksecX12[sect], -1000.0
+ };
+ Double_t secY[ksecNRadii] = {
+ ksecY0, ksecY1[sect], -1000.0,
+ ksecY2[sect], ksecY3[sect], -1000.0,
+ ksecY4[sect], ksecY5[sect], -1000.0,
+ ksecY6[sect], ksecY7[sect], -1000.0,
+ ksecY8[sect], ksecY9[sect], -1000.0,
+ ksecY10[sect], ksecY11[sect], -1000.0,
+ ksecY12[sect], -1000.0
+ };
+ Double_t secR[ksecNRadii] = {
+ ksecR0, ksecR1, -.5 * ksecDipLength - ksecDipRadii,
+ ksecR2, ksecR3, -.5 * ksecDipLength - ksecDipRadii,
+ ksecR4, ksecR5, -.5 * ksecDipLength - ksecDipRadii,
+ ksecR6, ksecR7, -.5 * ksecDipLength - ksecDipRadii,
+ ksecR8, ksecR9, -.5 * ksecDipLength - ksecDipRadii,
+ ksecR10, ksecR11, -.5 * ksecDipLength - ksecDipRadii,
+ ksecR12, ksecR13
+ };
+
+ Double_t secX2[ksecNRadii];
+ Double_t secY2[ksecNRadii];
+ Double_t secR2[ksecNRadii] = {
+ ksecR0, ksecR1, ksecRCoolOut,
+ ksecR2, ksecR3, ksecRCoolOut,
+ ksecR4, ksecR5, ksecRCoolOut,
+ ksecR6, ksecR7, ksecRCoolOut,
+ ksecR8, ksecR9, ksecRCoolOut,
+ ksecR10, ksecR11, ksecRCoolOut,
+ ksecR12, ksecR13
+ };
+ Double_t secDip2[ksecNCoolingTubeDips] = {
+ ksecDl1, ksecDl2, ksecDl3,
+ ksecDl4, ksecDl5, ksecDl6
+ };
+ Double_t secX3[ksecNRadii];
+ Double_t secY3[ksecNRadii];
+ const Int_t ksecDipIndex[ksecNCoolingTubeDips] = {2, 5, 8, 11, 14, 17};
+ Double_t secAngleStart[ksecNRadii];
+ Double_t secAngleEnd[ksecNRadii];
+ for(Int_t i = 0; i < ksecNRadii; i++)secAngleEnd[i] = 0.;
+ Double_t secAngleStart2[ksecNRadii];
+ Double_t secAngleEnd2[ksecNRadii];
+ Double_t secAngleTurbo[ksecNCoolingTubeDips] = {0., 0., 0., 0., 0., 0.0};
+ //Double_t secAngleStart3[ksecNRadii];
+ //Double_t secAngleEnd3[ksecNRadii];
+ Double_t xpp[ksecNPoints], ypp[ksecNPoints];
+ Double_t xpp2[ksecNPoints], ypp2[ksecNPoints];
+ Double_t *xp[ksecNRadii], *xp2[ksecNRadii];
+ Double_t *yp[ksecNRadii], *yp2[ksecNRadii];
+ TGeoXtru *sA0, *sA1, *sB0, *sB1;
+ TGeoCompositeShape *sA2, *sB2;
+ TGeoBBox *sB3;
+ TGeoEltu *sTA0, *sTA1;
+ TGeoTube *sTB0, *sTB1; //,*sM0;
+ TGeoRotation *rot;
+ TGeoTranslation *trans;
+ TGeoCombiTrans *rotrans;
+ Double_t t, t0, t1, a, b, x0, y0,z0, x1, y1;
+ Int_t i, j, k, m;
+ Bool_t tst;
+
+ if(!moth) {
+ AliError("Container volume (argument) is NULL");
+ return;
+ } // end if(!moth)
+ for(i = 0; i < ksecNRadii; i++) {
+ xp[i] = &(xpp[i*(ksecNPointsPerRadii+1)]);
+ yp[i] = &(ypp[i*(ksecNPointsPerRadii+1)]);
+ xp2[i] = &(xpp2[i*(ksecNPointsPerRadii+1)]);
+ yp2[i] = &(ypp2[i*(ksecNPointsPerRadii+1)]);
+ secX2[i] = secX[i];
+ secY2[i] = secY[i];
+ secX3[i] = secX[i];
+ secY3[i] = secY[i];
+ } // end for i
+ //
+ // find starting and ending angles for all but cooling tube sections
+ secAngleStart[0] = 0.5 * ksecAngleSide13;
+ for(i = 0; i < ksecNRadii - 2; i++) {
+ tst = kFALSE;
+ for(j=0;j<ksecNCoolingTubeDips;j++) tst = (tst||i==ksecDipIndex[j]);
+ if (tst) continue;
+ tst = kFALSE;
+ for(j=0;j<ksecNCoolingTubeDips;j++) tst =(tst||(i+1)==ksecDipIndex[j]);
+ if (tst) j = i+2; else j = i+1;
+ AnglesForRoundedCorners(secX[i],secY[i],secR[i],secX[j],secY[j],
+ secR[j],t0,t1);
+ secAngleEnd[i] = t0;
+ secAngleStart[j] = t1;
+ if(secR[i] > 0.0 && secR[j] > 0.0) {
+ if(secAngleStart[i] > secAngleEnd[i]) secAngleEnd[i] += 360.0;
+ } // end if(secR[i]>0.0 && secR[j]>0.0)
+ secAngleStart2[i] = secAngleStart[i];
+ secAngleEnd2[i] = secAngleEnd[i];
+ } // end for i
+ secAngleEnd[ksecNRadii-2] = secAngleStart[ksecNRadii-2] +
+ (secAngleEnd[ksecNRadii-5] - secAngleStart[ksecNRadii-5]);
+ if (secAngleEnd[ksecNRadii-2] < 0.0) secAngleEnd[ksecNRadii-2] += 360.0;
+ secAngleStart[ksecNRadii-1] = secAngleEnd[ksecNRadii-2] - 180.0;
+ secAngleEnd[ksecNRadii-1] = secAngleStart[0];
+ secAngleStart2[ksecNRadii-2] = secAngleStart[ksecNRadii-2];
+ secAngleEnd2[ksecNRadii-2] = secAngleEnd[ksecNRadii-2];
+ secAngleStart2[ksecNRadii-1] = secAngleStart[ksecNRadii-1];
+ secAngleEnd2[ksecNRadii-1] = secAngleEnd[ksecNRadii-1];
+ //
+ // find location of circle last rounded corner.
+ i = 0;
+ j = ksecNRadii - 2;
+ t0 = TanD(secAngleStart[i]-90.);
+ t1 = TanD(secAngleEnd[j]-90.);
+ t = secY[i] - secY[j];
+ // NOTE: secR[i=0] < 0; secR[j=18] > 0; and secR[j+1=19] < 0
+ t += (-secR[i]+secR[j+1]) * SinD(secAngleStart[i]);
+ t -= (secR[j]-secR[j+1]) * SinD(secAngleEnd[j]);
+ t += t1 * secX[j] - t0*secX[i];
+ t += t1 * (secR[j] - secR[j+1]) * CosD(secAngleEnd[j]);
+ t -= t0 * (-secR[i]+secR[j+1]) * CosD(secAngleStart[i]);
+ secX[ksecNRadii-1] = t / (t1-t0);
+ secY[ksecNRadii-1] = TanD(90.0+0.5*ksecAngleSide13)*
+ (secX[ksecNRadii-1]-secX[0])+secY[0];
+ secX2[ksecNRadii-1] = secX[ksecNRadii-1];
+ secY2[ksecNRadii-1] = secY[ksecNRadii-1];
+ secX3[ksecNRadii-1] = secX[ksecNRadii-1];
+ secY3[ksecNRadii-1] = secY[ksecNRadii-1];
+
+ // find location of cooling tube centers
+ for(i = 0; i < ksecNCoolingTubeDips; i++) {
+ j = ksecDipIndex[i];
+ x0 = secX[j-1] + TMath::Abs(secR[j-1]) * CosD(secAngleEnd[j-1]);
+ y0 = secY[j-1] + TMath::Abs(secR[j-1]) * SinD(secAngleEnd[j-1]);
+ x1 = secX[j+1] + TMath::Abs(secR[j+1]) * CosD(secAngleStart[j+1]);
+ y1 = secY[j+1] + TMath::Abs(secR[j+1]) * SinD(secAngleStart[j+1]);
+ t0 = TMath::Sqrt((x0-x1)*(x0-x1)+(y0-y1)*(y0-y1));
+ t = secDip2[i] / t0;
+ a = x0+(x1-x0) * t;
+ b = y0+(y1-y0) * t;
+ if(i == 0) {
+ // get location of tube center->Surface for locating
+ // this sector around the beam pipe.
+ // This needs to be double checked, but I need my notes for that.
+ // (Bjorn Nilsen)
+ xAAtubeCenter0 = x0 + (x1 - x0) * t * 0.5;
+ yAAtubeCenter0 = y0 + (y1 - y0) * t * 0.5;
+ }// end if i==0
+ if(a + b*(a - x0) / (b - y0) > 0.0) {
+ secX[j] = a + TMath::Abs(y1-y0) * 2.0 * ksecDipRadii/t0;
+ secY[j] = b - TMath::Sign(2.0*ksecDipRadii,y1-y0) * (x1-x0)/t0;
+ secX2[j] = a + TMath::Abs(y1-y0) * ksecTl/t0;
+ secY2[j] = b - TMath::Sign(ksecTl,y1-y0) * (x1-x0) / t0;
+ secX3[j] = a + TMath::Abs(y1-y0) *
+ (2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY)/t0;
+ secY3[j] = b - TMath::Sign(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY,
+ y1-y0)*(x1-x0)/t0;
+ } else {
+ secX[j] = a - TMath::Abs(y1-y0)*2.0*ksecDipRadii/t0;
+ secY[j] = b + TMath::Sign(2.0*ksecDipRadii,y1-y0)*(x1-x0)/t0;
+ secX2[j] = a - TMath::Abs(y1-y0)*ksecTl/t0;
+ secY2[j] = b + TMath::Sign(ksecTl,y1-y0)*(x1-x0)/t0;
+ secX3[j] = a - TMath::Abs(y1-y0)*(2.0*ksecDipRadii-0.5*
+ ksecCoolTubeFlatY)/t0;
+ secY3[j] = b + TMath::Sign(2.0*ksecDipRadii-0.5*ksecCoolTubeFlatY,
+ y1-y0)*(x1-x0)/t0;
+ } // end if(a+b*(a-x0)/(b-y0)>0.0)
+
+ // Set up Start and End angles to correspond to start/end of dips.
+ t1 = (secDip2[i]-TMath::Abs(secR[j])) / t0;
+ secAngleStart[j] =TMath::RadToDeg()*TMath::ATan2(y0+(y1-y0)*t1-secY[j],
+ x0+(x1-x0)*t1-secX[j]);
+ if (secAngleStart[j]<0.0) secAngleStart[j] += 360.0;
+ secAngleStart2[j] = secAngleStart[j];
+ t1 = (secDip2[i]+TMath::Abs(secR[j]))/t0;
+ secAngleEnd[j] = TMath::RadToDeg()*TMath::ATan2(y0+(y1-y0)*t1-secY[j],
+ x0+(x1-x0)*t1-secX[j]);
+ if (secAngleEnd[j]<0.0) secAngleEnd[j] += 360.0;
+ secAngleEnd2[j] = secAngleEnd[j];
+ if (secAngleEnd[j]>secAngleStart[j]) secAngleEnd[j] -= 360.0;
+ secR[j] = TMath::Sqrt(secR[j]*secR[j]+4.0*ksecDipRadii*ksecDipRadii);
+ } // end for i
+
+ // Special cases
+ secAngleStart2[8] -= 360.;
+ secAngleStart2[11] -= 360.;
+
+ SPDsectorShape(ksecNRadii, secX, secY, secR, secAngleStart, secAngleEnd,
+ ksecNPointsPerRadii, m, xp, yp);
+
+ // Fix up dips to be square.
+ for(i = 0; i < ksecNCoolingTubeDips; i++) {
+ j = ksecDipIndex[i];
+ t = 0.5*ksecDipLength+ksecDipRadii;
+ t0 = TMath::RadToDeg()*TMath::ATan(2.0*ksecDipRadii/t);
+ t1 = secAngleEnd[j] + t0;
+ t0 = secAngleStart[j] - t0;
+ x0 = xp[j][1] = secX[j] + t*CosD(t0);
+ y0 = yp[j][1] = secY[j] + t*SinD(t0);
+ x1 = xp[j][ksecNPointsPerRadii-1] = secX[j] + t*CosD(t1);
+ y1 = yp[j][ksecNPointsPerRadii-1] = secY[j] + t*SinD(t1);
+ t0 = 1./((Double_t)(ksecNPointsPerRadii-2));
+ for(k = 2; k < ksecNPointsPerRadii - 1; k++) {
+ // extra points spread them out.
+ t = ((Double_t)(k-1)) * t0;
+ xp[j][k] = x0+(x1-x0) * t;
+ yp[j][k] = y0+(y1-y0) * t;
+ } // end for k
+ secAngleTurbo[i] = -TMath::RadToDeg() * TMath::ATan2(y1-y0, x1-x0);
+ if(GetDebug(3)) {
+ AliInfo(
+ Form("i=%d -- angle=%f -- x0,y0=(%f, %f) -- x1,y1=(%f, %f)",
+ i, secAngleTurbo[i], x0, y0, x1, y1));
+ } // end if GetDebug(3)
+ } // end for i
+ sA0 = new TGeoXtru(2);
+ sA0->SetName("SectorA0");
+ sA0->DefinePolygon(m, xpp, ypp);
+ sA0->DefineSection(0, -ksecDz);
+ sA0->DefineSection(1, ksecDz);
+
+ // store the edges of each XY segment which defines
+ // one of the plane zones where staves will have to be placed
+ fSPDsectorX0.Set(ksecNCoolingTubeDips);
+ fSPDsectorY0.Set(ksecNCoolingTubeDips);
+ fSPDsectorX1.Set(ksecNCoolingTubeDips);
+ fSPDsectorY1.Set(ksecNCoolingTubeDips);
+ Int_t ixy0, ixy1;
+ for(i = 0; i < ksecNCoolingTubeDips; i++) {
+ // Find index in xpp[] and ypp[] corresponding to where the
+ // SPD ladders are to be attached. Order them according to
+ // the ALICE numbering schema. Using array of indexes (+-1 for
+ // cooling tubes. For any "bend/dip/edge, there are
+ // ksecNPointsPerRadii+1 points involved.
+ if(i == 0) j = 1;
+ else if (i == 1) j = 0;
+ else j = i;
+ ixy0 = (ksecDipIndex[j]-1)*(ksecNPointsPerRadii+1)+
+ (ksecNPointsPerRadii);
+ ixy1 = (ksecDipIndex[j]+1) * (ksecNPointsPerRadii+1);
+ fSPDsectorX0[i] = sA0->GetX(ixy0);
+ fSPDsectorY0[i] = sA0->GetY(ixy0);
+ fSPDsectorX1[i] = sA0->GetX(ixy1);
+ fSPDsectorY1[i] = sA0->GetY(ixy1);
+ } // end for i
+
+ //printf("SectorA#%d ",0);
+ InsidePoint(xpp[m-1],ypp[m-1],xpp[0],ypp[0],xpp[1],ypp[1],ksecCthick,
+ xpp2[0],ypp2[0]);
+ for(i = 1; i < m - 1; i++) {
+ j = i / (ksecNPointsPerRadii+1);
+ //printf("SectorA#%d ",i);
+ InsidePoint(xpp[i-1],ypp[i-1],xpp[i],ypp[i],xpp[i+1],ypp[i+1],
+ ksecCthick,xpp2[i],ypp2[i]);
+ } // end for i
+ //printf("SectorA#%d ",m);
+ InsidePoint(xpp[m-2],ypp[m-2],xpp[m-1],ypp[m-1],xpp[0],ypp[0],
+ ksecCthick,xpp2[m-1],ypp2[m-1]);
+ // Fix center value of cooling tube dip and
+ // find location of cooling tube centers
+ for(i = 0; i < ksecNCoolingTubeDips; i++) {
+ j = ksecDipIndex[i];
+ x0 = xp2[j][1];
+ y0 = yp2[j][1];
+ x1 = xp2[j][ksecNPointsPerRadii-1];
+ y1 = yp2[j][ksecNPointsPerRadii-1];
+ t0 = TMath::Sqrt((x0-x1)*(x0-x1)+(y0-y1)*(y0-y1));
+ t = secDip2[i]/t0;
+ for(k = 2; k < ksecNPointsPerRadii - 1; k++) {
+ // extra points spread them out.
+ t = ((Double_t)(k-1)) * t0;
+ xp2[j][k] = x0+(x1-x0) * t;
+ yp2[j][k] = y0+(y1-y0) * t;
+ } // end for k
+ } // end for i
+ sA1 = new TGeoXtru(2);
+ sA1->SetName("SectorA1");
+ sA1->DefinePolygon(m, xpp2, ypp2);
+ sA1->DefineSection(0, -ksecDz-ksecCthick2);
+ sA1->DefineSection(1, ksecDz+ksecCthick2);
+
+ sA2 = new TGeoCompositeShape("ITS SPD Carbon fiber support Sector A0",
+ "SectorA0-SectorA1");
+ //
+ // Error in TGeoEltu. Semi-axis X must be < Semi-axis Y (?).
+ sTA0 = new TGeoEltu("ITS SPD Cooling Tube TA0", 0.5 * ksecCoolTubeFlatY,
+ 0.5 * ksecCoolTubeFlatX, ksecDz);
+ sTA1 = new TGeoEltu("ITS SPD Cooling Tube coolant TA1",
+ sTA0->GetA() - ksecCoolTubeThick,
+ sTA0->GetB()-ksecCoolTubeThick,ksecDz);
+ SPDsectorShape(ksecNRadii,secX2,secY2,secR2,secAngleStart2,secAngleEnd2,
+ ksecNPointsPerRadii, m, xp, yp);
+ sB0 = new TGeoXtru(2);
+ sB0->SetName("EndB0");
+ sB0->DefinePolygon(m, xpp, ypp);
+ sB0->DefineSection(0, ksecDz);
+ sB0->DefineSection(1, ksecDz + ksecZEndLen);
+
+ //printf("SectorB#%d ",0);
+ // Points around the most sharpened tips have to be avoided - M.S. 24 feb 09
+ const Int_t nSpecialPoints = 5;
+ const Int_t kSpecialPoints[nSpecialPoints] = {7, 17, 47, 62, 77};
+ Int_t i2 = 0;
+ InsidePoint(xpp[m-1],ypp[m-1],xpp[0],ypp[0],xpp[1],ypp[1],
+ ksecCthick2,xpp2[i2],ypp2[i2]);
+ for(i = 1; i < m - 1; i++) {
+ t = ksecCthick2;
+ for(k = 0; k < ksecNCoolingTubeDips; k++)
+ if((i/(ksecNPointsPerRadii+1))==ksecDipIndex[k])
+ if(!(ksecDipIndex[k]*(ksecNPointsPerRadii+1) == i ||
+ ksecDipIndex[k]*(ksecNPointsPerRadii+1) +
+ ksecNPointsPerRadii == i))
+ t = ksecRCoolOut-ksecRCoolIn;
+ //printf("SectorB#%d ",i);
+ Bool_t useThisPoint = kTRUE;
+ for(Int_t ii = 0; ii < nSpecialPoints; ii++)
+ if ( (i == kSpecialPoints[ii] - 1) ||
+ (i == kSpecialPoints[ii] + 1) ) useThisPoint = kFALSE;
+ if (useThisPoint) {
+ i2++;
+ InsidePoint(xpp[i-1],ypp[i-1],xpp[i],ypp[i],xpp[i+1],ypp[i+1],t,
+ xpp2[i2],ypp2[i2]);
+ }
+ }// end for i
+ //printf("SectorB#%d ",m);
+ i2++;
+ InsidePoint(xpp[m-2],ypp[m-2],xpp[m-1],ypp[m-1],xpp[0],ypp[0],
+ ksecCthick2,xpp2[i2],ypp2[i2]);
+ sB1 = new TGeoXtru(2);
+ sB1->SetName("EndB1");
+ sB1->DefinePolygon(i2+1, xpp2, ypp2);
+ sB1->DefineSection(0,sB0->GetZ(0)-ksecCthick2);
+ sB1->DefineSection(1,sB0->GetZ(1)+ksecCthick2);
+
+ sB2 = new TGeoCompositeShape("ITS SPD Carbon fiber support Sector End B0",
+ "EndB0-EndB1");
+ // SPD sector mount blocks
+ const Double_t kMountBlock[3] = {0.5*(1.8-0.2)*fgkmm,0.5*22.0*fgkmm,
+ 0.5*45.0*fgkmm};
+ sB3 = new TGeoBBox((Double_t*)kMountBlock);
+ // SPD sector mount block screws and nuts (M.S. - 27 oct 2012)
+ const Double_t kMountBlockM3ScrewR = 0.5*3.0*fgkmm; // Metric screw
+ const Double_t kMountBlockHead1R = 0.5*8.0*fgkmm;
+ const Double_t kMountBlockHead1H = 1.0*fgkmm;
+ const Double_t kMountBlockHead2R = 0.5*6.0*fgkmm;
+ const Double_t kMountBlockHead2H = 2.7*fgkmm;
+ const Double_t kMountBlockM3NutR = 1.8*kMountBlockM3ScrewR; // Metric nut
+ const Double_t kMountBlockM3NutH = kMountBlockM3NutR; // Metric nut
+ TGeoTube *sM3 = new TGeoTube(0, kMountBlockM3ScrewR, sB3->GetDX());
+ TGeoTube *sD1 = new TGeoTube(0, kMountBlockHead1R,kMountBlockHead1H/2);
+ TGeoTube *sD2 = new TGeoTube(0, kMountBlockHead2R,kMountBlockHead2H/2);
+ TGeoPgon *sN3 = new TGeoPgon(0, 360, 6, 2);
+ sN3->DefineSection(0,-kMountBlockM3NutH/2, 0, kMountBlockM3NutR);
+ sN3->DefineSection(1, kMountBlockM3NutH/2, 0, kMountBlockM3NutR);
+ // SPD sector cooling tubes
+ sTB0 = new TGeoTube("ITS SPD Cooling Tube End TB0", 0.0,
+ 0.5*ksecCoolTubeROuter,0.5*(sB0->GetZ(1)-sB0->GetZ(0)));
+ sTB1 = new TGeoTube("ITS SPD Cooling Tube End coolant TB0", 0.0,
+ sTB0->GetRmax() - ksecCoolTubeThick,sTB0->GetDz());
+ //
+ if(GetDebug(3)) {
+ if(medSPDcf) medSPDcf->Dump(); else AliInfo("medSPDcf = 0");
+ if(medSPDss) medSPDss->Dump(); else AliInfo("medSPDss = 0");
+ if(medSPDcoolfl) medSPDcoolfl->Dump();else AliInfo("medSPDcoolfl = 0");
+ sA0->InspectShape();
+ sA1->InspectShape();
+ sB0->InspectShape();
+ sB1->InspectShape();
+ sB2->InspectShape();
+ } // end if(GetDebug(3))
+
+ // create the assembly of the support and place staves on it
+ TGeoVolumeAssembly *vM0 = new TGeoVolumeAssembly(
+ "ITSSPDSensitiveVirtualvolumeM0");
+ StavesInSector(vM0);
+ // create other volumes with some graphical settings
+ TGeoVolume *vA0 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorA0",
+ sA2, medSPDcf);
+ vA0->SetVisibility(kTRUE);
+ vA0->SetLineColor(4); // Blue
+ vA0->SetLineWidth(1);
+ vA0->SetFillColor(vA0->GetLineColor());
+ vA0->SetFillStyle(4010); // 10% transparent
+ TGeoVolume *vTA0 = new TGeoVolume("ITSSPDCoolingTubeTA0", sTA0, medSPDss);
+ vTA0->SetVisibility(kTRUE);
+ vTA0->SetLineColor(15); // gray
+ vTA0->SetLineWidth(1);
+ vTA0->SetFillColor(vTA0->GetLineColor());
+ vTA0->SetFillStyle(4000); // 0% transparent
+ TGeoVolume *vTA1 = new TGeoVolume("ITSSPDCoolingTubeFluidTA1",
+ sTA1, medSPDcoolfl);
+ vTA1->SetVisibility(kTRUE);
+ vTA1->SetLineColor(6); // Purple
+ vTA1->SetLineWidth(1);
+ vTA1->SetFillColor(vTA1->GetLineColor());
+ vTA1->SetFillStyle(4000); // 0% transparent
+ TGeoVolume *vB0 = new TGeoVolume("ITSSPDCarbonFiberSupportSectorEndB0",
+ sB2, medSPDcf);
+ vB0->SetVisibility(kTRUE);
+ vB0->SetLineColor(1); // Black
+ vB0->SetLineWidth(1);
+ vB0->SetFillColor(vB0->GetLineColor());
+ vB0->SetFillStyle(4000); // 0% transparent
+ TGeoVolume *vB3 = new TGeoVolume(
+ "ITSSPDCarbonFiberSupportSectorMountBlockB3",sB3, medSPDcf);
+ vB3->SetVisibility(kTRUE);
+ vB3->SetLineColor(26); // Brown shade
+ vB3->SetLineWidth(1);
+ vB3->SetFillColor(vB3->GetLineColor());
+ vB3->SetFillStyle(4000); // 0% transparent
+ TGeoVolume *vM3 = new TGeoVolume(
+ "ITSSPDCarbonFiberSupportSectorMountBlockScrewM3",sM3, medSPDss);
+ vM3->SetVisibility(kTRUE);
+ vM3->SetLineColor(kGray); // Gray
+ vM3->SetLineWidth(1);
+ vM3->SetFillColor(vM3->GetLineColor());
+ vM3->SetFillStyle(4000); // 0% transparent
+ TGeoVolume *vD1 = new TGeoVolume(
+ "ITSSPDCarbonFiberSupportSectorMountBlockScrewHead1",sD1, medSPDss);
+ vD1->SetVisibility(kTRUE);
+ vD1->SetLineColor(kGray); // Gray
+ vD1->SetLineWidth(1);
+ vD1->SetFillColor(vD1->GetLineColor());
+ vD1->SetFillStyle(4000); // 0% transparent
+ TGeoVolume *vD2 = new TGeoVolume(
+ "ITSSPDCarbonFiberSupportSectorMountBlockScrewHead2",sD2, medSPDss);
+ vD2->SetVisibility(kTRUE);
+ vD2->SetLineColor(kGray); // Gray
+ vD2->SetLineWidth(1);
+ vD2->SetFillColor(vD2->GetLineColor());
+ vD2->SetFillStyle(4000); // 0% transparent
+ TGeoVolume *vN3 = new TGeoVolume(
+ "ITSSPDCarbonFiberSupportSectorMountBlockScrewNut",sN3, medSPDss);
+ vN3->SetVisibility(kTRUE);
+ vN3->SetLineColor(kGray); // Gray
+ vN3->SetLineWidth(1);
+ vN3->SetFillColor(vN3->GetLineColor());
+ vN3->SetFillStyle(4000); // 0% transparent
+ TGeoVolume *vTB0 = new TGeoVolume("ITSSPDCoolingTubeEndTB0",sTB0,medSPDss);
+ vTB0->SetVisibility(kTRUE);
+ vTB0->SetLineColor(15); // gray
+ vTB0->SetLineWidth(1);
+ vTB0->SetFillColor(vTB0->GetLineColor());
+ vTB0->SetFillStyle(4000); // 0% transparent
+ TGeoVolume *vTB1 = new TGeoVolume("ITSSPDCoolingTubeEndFluidTB1",sTB1,
+ medSPDcoolfl);
+ vTB1->SetVisibility(kTRUE);
+ vTB1->SetLineColor(7); // light blue
+ vTB1->SetLineWidth(1);
+ vTB1->SetFillColor(vTB1->GetLineColor());
+ vTB1->SetFillStyle(4050); // 0% transparent
+
+ // add volumes to mother container passed as argument of this method
+ moth->AddNode(vM0,1,0); // Add virtual volume to mother
+ vTA0->AddNode(vTA1,1,0); // Put cooling liquid indide tube middel.
+ vTB0->AddNode(vTB1,1,0); // Put cooling liquid inside tube end.
+ Double_t tubeEndLocal[3]={0.0,0.0,sTA0->GetDz()};
+ for(i = 0; i < ksecNCoolingTubeDips; i++) {
+ x0 = secX3[ksecDipIndex[i]];
+ y0 = secY3[ksecDipIndex[i]];
+ t = 90.0 - secAngleTurbo[i];
+ z0 = 0.5*(sB1->GetZ(0)+sB1->GetZ(1));
+ trans = new TGeoTranslation("",x0,y0,z0);
+ vM0->AddNode(vTB0, i+1, trans);
+ // Find location of tube ends for later use.
+ trans->LocalToMaster(tubeEndLocal,fTubeEndSector[0][0][i]);
+ trans = new TGeoTranslation("",x0,y0,-z0);
+ vM0->AddNode(vTB0, i+1+ksecNCoolingTubeDips, trans);
+ rot = new TGeoRotation("", 0.0, 0.0, t);
+ rotrans = new TGeoCombiTrans("", x0, y0, 0.0, rot);
+ vM0->AddNode(vTA0, i+1, rotrans);
+ } // end for i
+ vM0->AddNode(vA0, 1, 0);
+ vM0->AddNode(vB0, 1, 0);
+ // Reflection.
+ rot = new TGeoRotation("", 90., 0., 90., 90., 180., 0.);
+ vM0->AddNode(vB0,2,rot);
+ // Find location of tube ends for later use.
+ for(i=0;i<ksecNCoolingTubeDips;i++) rot->LocalToMaster(
+ fTubeEndSector[0][0][i],fTubeEndSector[0][1][i]);
+ // Put screws inside the mounting block
+ const Double_t kMountingBlockScrew1ZPos = 0.7 *fgkcm;
+ const Double_t kMountingBlockScrew2ZPos = 2.01*fgkcm;
+ const Double_t kMountingBlockScrew34Pos = 0.51*fgkcm;
+ vB3->AddNode(vM3, 1, new TGeoCombiTrans(0, 0,
+ (sB3->GetDZ()-kMountingBlockScrew1ZPos),
+ new TGeoRotation("",90,90,90)));
+ vB3->AddNode(vM3, 2, new TGeoCombiTrans(0, 0,
+ (sB3->GetDZ()-kMountingBlockScrew2ZPos),
+ new TGeoRotation("",90,90,90)));
+ vB3->AddNode(vM3, 3, new TGeoCombiTrans(0,-kMountingBlockScrew34Pos,
+ -(sB3->GetDZ()-kMountingBlockScrew34Pos),
+ new TGeoRotation("",90,90,90)));
+ vB3->AddNode(vM3, 4, new TGeoCombiTrans(0, kMountingBlockScrew34Pos,
+ -(sB3->GetDZ()-kMountingBlockScrew34Pos),
+ new TGeoRotation("",90,90,90)));
+ // left side
+ t = -TMath::RadToDeg()*TMath::ATan2(
+ sB0->GetX(0)-sB0->GetX(sB0->GetNvert()-1),
+ sB0->GetY(0)-sB0->GetY(sB0->GetNvert()-1));
+ rot = new TGeoRotation("",t,0.0,0.0);// z axis rotation
+ x0 = 0.5*(sB0->GetX(0)+sB0->GetX(sB0->GetNvert()-1))+
+ sB3->GetDX()*TMath::Cos(t*TMath::DegToRad());
+ y0 = 0.5*(sB0->GetY(0)+sB0->GetY(sB0->GetNvert()-1))+
+ sB3->GetDX()*TMath::Sin(t*TMath::DegToRad());
+ z0 = sB0->GetZ(0)+sB3->GetDZ();
+ rotrans = new TGeoCombiTrans("",x0,y0,z0,rot);
+ vM0->AddNode(vB3,1,rotrans); // Put Mounting bracket on sector
+ // the screw heads and nuts
+ Double_t h = sM3->GetDz() + sD1->GetDz();
+ Double_t zt = sB3->GetDZ()-kMountingBlockScrew1ZPos;
+ vM0->AddNode(vD1, 1, new TGeoCombiTrans(x0+h*CosD(180+t), y0+h*SinD(180+t),
+ z0+zt,
+ new TGeoRotation("",90+t,90,90)));
+ h = sM3->GetDz() + sD2->GetDz() + ksecCthick2 + 0.06;
+ zt = sB3->GetDZ()-kMountingBlockScrew2ZPos;
+ vM0->AddNode(vD2, 1, new TGeoCombiTrans(x0+h*CosD(180+t), y0+h*SinD(180+t),
+ z0+zt,
+ new TGeoRotation("",90+t,90,90)));
+ Double_t loc[3],mas[3];
+ loc[0]=0;
+ loc[1]=-kMountingBlockScrew34Pos;
+ loc[2]=-(sB3->GetDZ()-kMountingBlockScrew34Pos);
+ rotrans->LocalToMaster(loc,mas);
+ vM0->AddNode(vD2, 2, new TGeoCombiTrans(mas[0]+h*CosD(180+t),
+ mas[1]+h*SinD(180+t),
+ mas[2],
+ new TGeoRotation("",90+t,90,90)));
+ loc[1]=kMountingBlockScrew34Pos;
+ rotrans->LocalToMaster(loc,mas);
+ vM0->AddNode(vD2, 3, new TGeoCombiTrans(mas[0]+h*CosD(180+t),
+ mas[1]+h*SinD(180+t),
+ mas[2],
+ new TGeoRotation("",90+t,90,90)));
+
+ rot = new TGeoRotation("",t,180.0,0.0);// z & x axis rotation
+ rotrans = new TGeoCombiTrans("",x0,y0,-z0,rot);
+ vM0->AddNode(vB3,2,rotrans); // Put Mounting bracket on sector
+ h = sM3->GetDz() + sN3->GetZ(1);
+ zt = sB3->GetDZ()-kMountingBlockScrew1ZPos;
+ vM0->AddNode(vN3, 1, new TGeoCombiTrans(x0+h*CosD(180+t), y0+h*SinD(180+t),
+ -z0-zt,
+ new TGeoRotation("",90+t,90,90)));
+ h += ksecCthick2 + 0.06;
+ zt = sB3->GetDZ()-kMountingBlockScrew2ZPos;
+ vM0->AddNode(vN3, 2, new TGeoCombiTrans(x0+h*CosD(180+t), y0+h*SinD(180+t),
+ -z0-zt,
+ new TGeoRotation("",90+t,90,90)));
+ loc[1]=-kMountingBlockScrew34Pos;
+ rotrans->LocalToMaster(loc,mas);
+ vM0->AddNode(vN3, 3, new TGeoCombiTrans(mas[0]+h*CosD(180+t),
+ mas[1]+h*SinD(180+t),
+ mas[2],
+ new TGeoRotation("",90+t,90,90)));
+ loc[1]=kMountingBlockScrew34Pos;
+ rotrans->LocalToMaster(loc,mas);
+ vM0->AddNode(vN3, 4, new TGeoCombiTrans(mas[0]+h*CosD(180+t),
+ mas[1]+h*SinD(180+t),
+ mas[2],
+ new TGeoRotation("",90+t,90,90)));
+
+ t *= -1.0;
+ rot = new TGeoRotation("",t,0.0,0.0); // z axis rotation
+ x0 = -0.5*(sB0->GetX(0)+sB0->GetX(sB0->GetNvert()-1))-3.5*
+ sB3->GetDX()*TMath::Cos(t*TMath::DegToRad());
+ y0 = 0.5*(sB0->GetY(0)+sB0->GetY(sB0->GetNvert()-1))-3.5*
+ sB3->GetDX()*TMath::Sin(t*TMath::DegToRad());
+ rotrans = new TGeoCombiTrans("",1.02*x0,y0,z0,rot);
+ vM0->AddNode(vB3,3,rotrans); // Put Mounting bracket on sector
+ h = sM3->GetDz() + sN3->GetZ(1) + 0.03;
+ zt = sB3->GetDZ()-kMountingBlockScrew1ZPos;
+ vM0->AddNode(vN3, 5, new TGeoCombiTrans(x0-h*CosD(180-t), y0+h*SinD(180-t),
+ z0+zt,
+ new TGeoRotation("",90+t,90,90)));
+ h += ksecCthick2 + 0.05;
+ zt = sB3->GetDZ()-kMountingBlockScrew2ZPos;
+ vM0->AddNode(vN3, 6, new TGeoCombiTrans(x0-h*CosD(180-t), y0+h*SinD(180-t),
+ z0+zt,
+ new TGeoRotation("",90+t,90,90)));
+ loc[1]=-kMountingBlockScrew34Pos;
+ rotrans->LocalToMaster(loc,mas);
+ vM0->AddNode(vN3, 7, new TGeoCombiTrans(mas[0]-h*CosD(180-t),
+ mas[1]+h*SinD(180-t),
+ mas[2],
+ new TGeoRotation("",90+t,90,90)));
+ loc[1]=kMountingBlockScrew34Pos;
+ rotrans->LocalToMaster(loc,mas);
+ vM0->AddNode(vN3, 8, new TGeoCombiTrans(mas[0]-h*CosD(180-t),
+ mas[1]+h*SinD(180-t),
+ mas[2],
+ new TGeoRotation("",90+t,90,90)));
+
+ rot = new TGeoRotation("",t,180.0,0.0); // z & x axis rotation
+ rotrans = new TGeoCombiTrans("",1.02*x0,y0,-z0,rot);
+ vM0->AddNode(vB3,4,rotrans); // Put Mounting bracket on sector
+ h = sM3->GetDz() + sD1->GetDz();
+ zt = sB3->GetDZ()-kMountingBlockScrew1ZPos;
+ vM0->AddNode(vD1, 2, new TGeoCombiTrans(x0-h*CosD(180-t), y0+h*SinD(180-t),
+ -z0-zt,
+ new TGeoRotation("",90+t,90,90)));
+ h = sM3->GetDz() + sD2->GetDz() + ksecCthick2 + 0.08;
+ zt = sB3->GetDZ()-kMountingBlockScrew2ZPos;
+ vM0->AddNode(vD2, 4, new TGeoCombiTrans(x0-h*CosD(180-t), y0+h*SinD(180-t),
+ -z0-zt,
+ new TGeoRotation("",90+t,90,90)));
+ loc[1]=-kMountingBlockScrew34Pos;
+ rotrans->LocalToMaster(loc,mas);
+ vM0->AddNode(vD2, 5, new TGeoCombiTrans(mas[0]-h*CosD(180-t),
+ mas[1]+h*SinD(180-t),
+ mas[2],
+ new TGeoRotation("",90+t,90,90)));
+ loc[1]=kMountingBlockScrew34Pos;
+ rotrans->LocalToMaster(loc,mas);
+ vM0->AddNode(vD2, 6, new TGeoCombiTrans(mas[0]-h*CosD(180-t),
+ mas[1]+h*SinD(180-t),
+ mas[2],
+ new TGeoRotation("",90+t,90,90)));
+
+ if(GetDebug(3)){
+ vM0->PrintNodes();
+ vA0->PrintNodes();
+ vB0->PrintNodes();
+ vB3->PrintNodes();
+ vTA0->PrintNodes();
+ vTA1->PrintNodes();
+ vTB0->PrintNodes();
+ vTB1->PrintNodes();
+ } // end if(GetDebug(3))
+}
+//______________________________________________________________________
+Bool_t AliITSv11GeometrySPD::CFHolePoints(Double_t s,Double_t r1,
+ Double_t r2,Double_t l,Double_t &x,Double_t &y) const
+{
+ //
+ // Step along arck a distancs ds and compute boundry of
+ // two holes (radius r1 and r2) a distance l apart (along
+ // x-axis).
+ // Inputs:
+ // Double_t s fractional Distance along arcs [0-1]
+ // where 0-> alpha=beta=0, 1-> alpha=90 degrees.
+ // Double_t r1 radius at center circle
+ // Double_t r2 radius of displaced circle
+ // Double_t l Distance displaced circle is displaces (x-axis)
+ // Output:
+ // Double_t x x coordinate along double circle.
+ // Double_t y y coordinate along double circle.
+ // Return:
+ // logical, kFALSE if an error
+ //
+ Double_t alpha,beta;
+ Double_t ac,bc,scb,sca,t,alphac,betac; // at intersection of two circles
+
+ x=y=0.0;
+ ac = r1*r1-l*l-r2*r2;
+ bc = 2.*l*r2;
+ if(bc==0.0) {printf("bc=0 l=%e r2=%e\n",l,r2);return kFALSE;}
+ betac = TMath::ACos(ac/bc);
+ alphac = TMath::Sqrt((bc-ac)*(bc+ac))/(2.*l*r1);
+ scb = r2*betac;
+ sca = r1*alphac;
+ t = r1*0.5*TMath::Pi() - sca + scb;
+ if(s<= scb/t){
+ beta = s*t/r2;
+ x = r2*TMath::Cos(beta) + l;
+ y = r2*TMath::Sin(beta);
+ //printf("betac=%e scb=%e t=%e s=%e beta=%e x=%e y=%e\n",
+ // betac,scb,t,s,beta,x,y);
+ return kTRUE;
+ }else{
+ beta = (s*t-scb+sca)/(r1*0.5*TMath::Pi());
+ alpha = beta*0.5*TMath::Pi();
+ x = r1*TMath::Cos(alpha);
+ y = r1*TMath::Sin(alpha);
+ //printf("alphac=%e sca=%e t=%e s=%e beta=%e alpha=%e x=%e y=%e\n",
+ // alphac,sca,t,s,beta,alpha,x,y);
+ return kTRUE;
+ } // end if
+ return kFALSE;
+}
+//______________________________________________________________________
+Bool_t AliITSv11GeometrySPD::GetSectorMountingPoints(Int_t index,Double_t &x0,
+ Double_t &y0, Double_t &x1, Double_t &y1) const
+{
+ //
+ // Returns the edges of the straight borders in the SPD sector shape,
+ // which are used to mount staves on them.
+ // Coordinate system is that of the carbon fiber sector volume.
+ // ---
+ // Index numbering is as follows:
+ // /5
+ // /\/4
+ // 1\ \/3
+ // 0|___\/2
+ // ---
+ // Arguments [the ones passed by reference contain output values]:
+ // Int_t index --> location index according to above scheme [0-5]
+ // Double_t &x0 --> (by ref) x0 location or the ladder sector [cm]
+ // Double_t &y0 --> (by ref) y0 location of the ladder sector [cm]
+ // Double_t &x1 --> (by ref) x1 location or the ladder sector [cm]
+ // Double_t &y1 --> (by ref) y1 location of the ladder sector [cm]
+ // TGeoManager *mgr --> The TGeo builder
+ // ---
+ // The location is described by a line going from (x0, y0) to (x1, y1)
+ // ---
+ // Returns kTRUE if no problems encountered.
+ // Returns kFALSE if a problem was encountered (e.g.: shape not found).
+ //
+ Int_t isize = fSPDsectorX0.GetSize();
+
+ x0 = x1 = y0 = y1 = 0.0;
+ if(index < 0 || index > isize) {
+ AliError(Form("index = %d: allowed 0 --> %d", index, isize));
+ return kFALSE;
+ } // end if(index<0||index>isize)
+ x0 = fSPDsectorX0[index];
+ x1 = fSPDsectorX1[index];
+ y0 = fSPDsectorY0[index];
+ y1 = fSPDsectorY1[index];
+ return kTRUE;
+}
+//______________________________________________________________________
+void AliITSv11GeometrySPD::SPDsectorShape(Int_t n,const Double_t *xc,
+ const Double_t *yc, const Double_t *r,
+ const Double_t *ths, const Double_t *the,
+ Int_t npr, Int_t &m, Double_t **xp, Double_t **yp) const
+{
+ //
+ // Code to compute the points that make up the shape of the SPD
+ // Carbon fiber support sections
+ // Inputs:
+ // Int_t n size of arrays xc,yc, and r.
+ // Double_t *xc array of x values for radii centers.
+ // Double_t *yc array of y values for radii centers.
+ // Double_t *r array of signed radii values.
+ // Double_t *ths array of starting angles [degrees].
+ // Double_t *the array of ending angles [degrees].
+ // Int_t npr the number of lines segments to aproximate the arc.
+ // Outputs (arguments passed by reference):
+ // Int_t m the number of enetries in the arrays *xp[npr+1]
+ // and *yp[npr+1].
+ // Double_t **xp array of x coordinate values of the line segments
+ // which make up the SPD support sector shape.
+ // Double_t **yp array of y coordinate values of the line segments
+ // which make up the SPD support sector shape.
+ //
+ Int_t i, k;
+ Double_t t, t0, t1;
+
+ m = n*(npr + 1);
+ if(GetDebug(2)) {
+ cout <<" X \t Y \t R \t S \t E" << m << endl;
+ for(i = 0; i < n; i++) {
+ cout << "{" << xc[i] << ", ";
+ cout << yc[i] << ", ";
+ cout << r[i] << ", ";
+ cout << ths[i] << ", ";
+ cout << the[i] << "}, " << endl;
+ } // end for i
+ } // end if(GetDebug(2))
+ if (GetDebug(3)) cout << "Double_t sA0 = [" << n*(npr+1)+1<<"][";
+ if (GetDebug(4)) cout << "3] {";
+ else if(GetDebug(3)) cout <<"2] {";
+ t0 = (Double_t)npr;
+ for(i = 0; i < n; i++) {
+ t1 = (the[i] - ths[i]) / t0;
+ if(GetDebug(5)) cout << "t1 = " << t1 << endl;
+ for(k = 0; k <= npr; k++) {
+ t = ths[i] + ((Double_t)k) * t1;
+ xp[i][k] = TMath::Abs(r[i]) * CosD(t) + xc[i];
+ yp[i][k] = TMath::Abs(r[i]) * SinD(t) + yc[i];
+ if(GetDebug(3)) {
+ cout << "{" << xp[i][k] << "," << yp[i][k];
+ if (GetDebug(4)) cout << "," << t;
+ cout << "},";
+ } // end if GetDebug
+ } // end for k
+ if(GetDebug(3)) cout << endl;
+ } // end of i
+ if(GetDebug(3)) cout << "{" << xp[0][0] << ", " << yp[0][0];
+ if(GetDebug(4)) cout << "," << ths[0];
+ if(GetDebug(3)) cout << "}}" << endl;
+}
+
+//______________________________________________________________________
+TGeoVolume* AliITSv11GeometrySPD::CreateLadder(Int_t layer,TArrayD &sizes,
+ TGeoManager *mgr) const
+{
+ //
+ // Creates the "ladder" = silicon sensor + 5 chips.
+ // Returns a TGeoVolume containing the following components:
+ // - the sensor (TGeoBBox), whose name depends on the layer
+ // - 5 identical chips (TGeoBBox)
+ // - a guard ring around the sensor (subtraction of TGeoBBoxes),
+ // which is separated from the rest of sensor because it is not
+ // a sensitive part
+ // - bump bondings (TGeoBBox stripes for the whole width of the
+ // sensor, one per column).
+ // ---
+ // Arguments:
+ // 1 - the owner layer (MUST be 1 or 2 or a fatal error is raised)
+ // 2 - a TArrayD passed by reference, which will contain relevant
+ // dimensions related to this object:
+ // size[0] = 'thickness' (the smallest dimension)
+ // size[1] = 'length' (the direction along the ALICE Z axis)
+ // size[2] = 'width' (extension in the direction perp. to the
+ // above ones)
+ // 3 - the used TGeoManager
+
+ // ** CRITICAL CHECK **
+ // layer number can be ONLY 1 or 2
+ if (layer != 1 && layer != 2) AliFatal("Layer number MUST be 1 or 2");
+
+ // ** MEDIA **
+ TGeoMedium *medAir = GetMedium("AIR$",mgr);
+ TGeoMedium *medSPDSiChip = GetMedium("SPD SI CHIP$",mgr); // SPD SI CHIP
+ TGeoMedium *medSi = GetMedium("SI$",mgr);
+ TGeoMedium *medBumpBond = GetMedium("COPPER$",mgr); // ??? BumpBond
+
+ // ** SIZES **
+ Double_t chipThickness = fgkmm * 0.150;
+ Double_t chipWidth = fgkmm * 15.950;
+ Double_t chipLength = fgkmm * 13.600;
+ Double_t chipSpacing = fgkmm * 0.400; // separation of chips along Z
+ Double_t sensThickness = fgkmm * 0.200;
+ Double_t sensLength = fgkmm * 69.600;
+ Double_t sensWidth = fgkmm * 12.800;
+ Double_t guardRingWidth = fgkmm * 0.560; // a border of this thickness
+ // all around the sensor
+ Double_t bbLength = fgkmm * 0.042;
+ Double_t bbWidth = sensWidth;
+ Double_t bbThickness = fgkmm * 0.012;
+ Double_t bbPos = 0.080; // Z position w.r. to left pixel edge
+ // compute the size of the container volume which
+ // will also be returned in the referenced TArrayD;
+ // for readability, they are linked by reference to a more meaningful name
+ sizes.Set(3);
+ Double_t &thickness = sizes[0];
+ Double_t &length = sizes[1];
+ Double_t &width = sizes[2];
+ // the container is a box which exactly enclose all the stuff;
+ width = chipWidth;
+ length = sensLength + 2.0*guardRingWidth;
+ thickness = sensThickness + chipThickness + bbThickness;
+
+ // ** VOLUMES **
+ // While creating this volume, since it is a sensitive volume,
+ // we must respect some standard criteria for its local reference frame.
+ // Local X must correspond to x coordinate of the sensitive volume:
+ // this means that we are going to create the container with a local
+ // reference system that is **not** in the middle of the box.
+ // This is accomplished by calling the shape constructor with an
+ // additional option ('originShift'):
+ Double_t xSens = 0.5 * (width - sensWidth - 2.0*guardRingWidth);
+ Double_t originShift[3] = {-xSens, 0., 0.};
+ TGeoBBox *shapeContainer = new TGeoBBox(0.5*width,0.5*thickness,
+ 0.5*length,originShift);
+ // then the volume is made of air, and using this shape
+ TGeoVolume *container = new TGeoVolume(Form("ITSSPDlay%d-Ladder",layer),
+ shapeContainer, medAir);
+ // the chip is a common box
+ TGeoVolume *volChip = mgr->MakeBox("ITSSPDchip",medSPDSiChip,
+ 0.5*chipWidth,0.5*chipThickness,0.5*chipLength);
+ // the sensor as well
+ TGeoVolume *volSens = mgr->MakeBox(GetSenstiveVolumeName(layer),medSi,
+ 0.5*sensWidth,0.5*sensThickness,0.5*sensLength);
+ // the guard ring shape is the subtraction of two boxes with the
+ // same center.
+ TGeoBBox *shIn = new TGeoBBox(0.5*sensWidth,sensThickness,0.5*sensLength);
+ TGeoBBox *shOut = new TGeoBBox(0.5*sensWidth+guardRingWidth,
+ 0.5*sensThickness,0.5*sensLength+guardRingWidth);
+ shIn->SetName("ITSSPDinnerBox");
+ shOut->SetName("ITSSPDouterBox");
+ TGeoCompositeShape *shBorder = new TGeoCompositeShape(
+ "ITSSPDgaurdRingBorder",Form("%s-%s",shOut->GetName(),shIn->GetName()));
+ TGeoVolume *volBorder = new TGeoVolume("ITSSPDgaurdRing",shBorder,medSi);
+ // bump bonds for one whole column
+ TGeoVolume *volBB = mgr->MakeBox("ITSSPDbb",medBumpBond,0.5*bbWidth,
+ 0.5*bbThickness,0.5*bbLength);
+ // set colors of all objects for visualization
+ volSens->SetLineColor(kYellow + 1);
+ volChip->SetLineColor(kGreen);
+ volBorder->SetLineColor(kYellow + 3);
+ volBB->SetLineColor(kGray);
+
+ // ** MOVEMENTS **
+ // sensor is translated along thickness (X) and width (Y)
+ Double_t ySens = 0.5 * (thickness - sensThickness);
+ Double_t zSens = 0.0;
+ // we want that the x of the ladder is the same as the one of
+ // its sensitive volume
+ TGeoTranslation *trSens = new TGeoTranslation(0.0, ySens, zSens);
+ // bump bonds are translated along all axes:
+ // keep same Y used for sensors, but change the Z
+ TGeoTranslation *trBB[160];
+ Double_t x = 0.0;
+ Double_t y = 0.5 * (thickness - bbThickness) - sensThickness;
+ Double_t z = -0.5 * sensLength + guardRingWidth + fgkmm*0.425 - bbPos;
+ Int_t i;
+ for (i = 0; i < 160; i++) {
+ trBB[i] = new TGeoTranslation(x, y, z);
+ switch(i) {
+ case 31:case 63:case 95:case 127:
+ z += fgkmm * 0.625 + fgkmm * 0.2;
+ break;
+ default:
+ z += fgkmm * 0.425;
+ } // end switch
+ } // end for i
+ // the chips are translated along the length (Z) and thickness (X)
+ TGeoTranslation *trChip[5] = {0, 0, 0, 0, 0};
+ x = -xSens;
+ y = 0.5 * (chipThickness - thickness);
+ z = 0.0;
+ for (i = 0; i < 5; i++) {
+ z = -0.5*length + guardRingWidth
+ + (Double_t)i*chipSpacing + ((Double_t)(i) + 0.5)*chipLength;
+ trChip[i] = new TGeoTranslation(x, y, z);
+ } // end ofr i
+
+ // add nodes to container
+ container->AddNode(volSens, 1, trSens);
+ container->AddNode(volBorder, 1, trSens);
+ for (i = 0; i < 160; i++) container->AddNode(volBB,i+1,trBB[i]);
+ for (i = 0; i < 5; i++) container->AddNode(volChip,i+3,trChip[i]);
+ // return the container
+ return container;
+}
+
+//______________________________________________________________________
+TGeoVolume* AliITSv11GeometrySPD::CreateClip(TArrayD &sizes,Bool_t isDummy,
+ TGeoManager *mgr) const
+{
+ //
+ // Creates the carbon fiber clips which are added to the central ladders.
+ // They have a complicated shape which is approximated by a TGeoXtru
+ // Implementation of a single clip over an half-stave.
+ // It has a complicated shape which is approximated to a section like this:
+ //
+ // 6
+ // /\ .
+ // 7 //\\ 5
+ // / 1\\___________________4
+ // 0 \___________________
+ // 2 3
+ // with a finite thickness for all the shape
+ // Its local reference frame is such that point A corresponds to origin.
+ //
+
+ // MODIFIED geometry
+ Double_t sposty = fgkmm * -0.5; // lower internal side to avoid overlaps with modified geometry
+
+ Double_t fullLength = fgkmm * 12.6; // = x4 - x0
+ Double_t flatLength = fgkmm * 5.4; // = x4 - x3
+ Double_t inclLongLength = fgkmm * 5.0; // = 5-6
+ Double_t inclShortLength = fgkmm * 2.0; // = 6-7
+ Double_t fullHeight = fgkmm * 2.8; // = y6 - y3
+ Double_t thickness = fgkmm * 0.18; // thickness
+ Double_t totalLength = fgkmm * 52.0; // total length in Z
+ Double_t holeSize = fgkmm * 5.0; // dimension of cubic
+ // hole inserted for pt1000
+ Double_t angle1 = 27.0; // supplementary of angle DCB
+ Double_t angle2; // angle DCB
+ Double_t angle3; // angle of GH with vertical
+
+ angle2 = 0.5 * (180.0 - angle1);
+ angle3 = 90.0 - TMath::ACos(fullLength - flatLength -
+ inclLongLength*TMath::Cos(angle1)) *
+ TMath::RadToDeg();
+ angle1 *= TMath::DegToRad();
+ angle2 *= TMath::DegToRad();
+ angle3 *= TMath::DegToRad();
+
+ Double_t x[8], y[8];
+
+ x[0] = 0.0;
+ x[1] = x[0] + fullLength - flatLength - inclLongLength*TMath::Cos(angle1);
+ x[2] = x[0] + fullLength - flatLength;
+ x[3] = x[0] + fullLength;
+ x[4] = x[3];
+ x[5] = x[4] - flatLength + thickness * TMath::Cos(angle2);
+ x[6] = x[1];
+ x[7] = x[0];
+
+ y[0] = 0.0;
+ y[1] = y[0] + inclShortLength * TMath::Cos(angle3);
+ y[2] = y[1] - inclLongLength * TMath::Sin(angle1);
+ y[3] = y[2];
+ y[4] = y[3] + thickness;
+ y[5] = y[4];
+ y[6] = y[1] + thickness;
+ y[7] = y[0] + thickness;
+
+ y[0] += sposty;
+ y[7] += sposty;
+
+ sizes.Set(7);
+ sizes[0] = totalLength;
+ sizes[1] = fullHeight;
+ sizes[2] = y[2];
+ sizes[3] = y[6];
+ sizes[4] = x[0];
+ sizes[5] = x[3];
+ sizes[6] = x[2];
+
+ if(isDummy){// use this argument when on ewant just the
+ // positions without create any volume
+ return NULL;
+ } // end if isDummy
+
+ TGeoXtru *shClip = new TGeoXtru(2);
+ shClip->SetName("ITSSPDshclip");
+ shClip->DefinePolygon(8, x, y);
+ shClip->DefineSection(0, -0.5*totalLength, 0., 0., 1.0);
+ shClip->DefineSection(1, 0.5*totalLength, 0., 0., 1.0);
+
+ TGeoBBox *shHole = new TGeoBBox("ITSSPDSHClipHole",0.5*holeSize,
+ 0.5*holeSize,0.5*holeSize);
+ TGeoTranslation *tr1 = new TGeoTranslation("ITSSPDTRClipHole1",x[2],0.0,
+ fgkmm*14.);
+ TGeoTranslation *tr2 = new TGeoTranslation("ITSSPDTRClipHole2",x[2],0.0,
+ 0.0);
+ TGeoTranslation *tr3 = new TGeoTranslation("ITSSPDTRClipHole3",x[2],0.0,
+ -fgkmm*14.);
+ tr1->RegisterYourself();
+ tr2->RegisterYourself();
+ tr3->RegisterYourself();
+
+ //TString strExpr("ITSSPDshclip-(");
+ TString strExpr(shClip->GetName());
+ strExpr.Append("-(");
+ strExpr.Append(Form("%s:%s+", shHole->GetName(), tr1->GetName()));
+ strExpr.Append(Form("%s:%s+", shHole->GetName(), tr2->GetName()));
+ strExpr.Append(Form("%s:%s)", shHole->GetName(), tr3->GetName()));
+ TGeoCompositeShape *shClipHole = new TGeoCompositeShape(
+ "ITSSPDSHClipHoles",strExpr.Data());
+
+ TGeoMedium *mat = GetMedium("SPD C (M55J)$", mgr);
+ TGeoVolume *vClip = new TGeoVolume("ITSSPDclip", shClipHole, mat);
+ vClip->SetLineColor(kGray + 2);
+ return vClip;
+}
+
+//______________________________________________________________________
+TGeoVolume* AliITSv11GeometrySPD::CreatePatchPanel(TArrayD &sizes,
+ TGeoManager *mgr) const
+{
+ //
+ // Creates the patch panel approximated with a "L"-shaped TGeoXtru
+ // with a finite thickness for all the shape
+ // Its local reference frame is such that point A corresponds to origin.
+ //
+ Double_t hLength = fgkmm * 50.0; // horizontal length
+ Double_t vLength = fgkmm * 50.0; // vertical length
+ Double_t angle = 88.3; // angle between hor and vert
+ Double_t thickness = fgkmm * 4.0; // thickness
+ Double_t width = fgkmm * 100.0; // width looking from cone
+
+ Double_t x[7], y[7];
+
+ y[0] = 0.0;
+ y[1] = y[0] + hLength;
+ y[2] = y[1];
+ y[3] = y[0] + thickness;
+ y[4] = y[3] + vLength * TMath::Cos(angle*TMath::DegToRad());
+ y[5] = y[4] - thickness / TMath::Sin(angle*TMath::DegToRad());
+ y[6] = y[0];
+
+ x[0] = 0.0;
+ x[1] = x[0];
+ x[2] = x[1] + thickness;
+ x[3] = x[2];
+ x[4] = x[3] + vLength * TMath::Sin(angle*TMath::DegToRad());
+ x[5] = x[4];
+ x[6] = x[0] + thickness;
+
+ sizes.Set(3);
+ sizes[0] = hLength;
+ sizes[1] = vLength;
+ sizes[2] = thickness;
+
+ TGeoXtru *shPatch = new TGeoXtru(2);
+ shPatch->SetName("ITSSPDpatchShape1");
+ shPatch->DefinePolygon(7, x, y);
+ shPatch->DefineSection(0, -0.5*width, 0., 0., 1.0);
+ shPatch->DefineSection(1, 0.5*width, 0., 0., 1.0);
+
+ /*
+ Double_t subThickness = 10.0 * fgkmm;
+ Double_t subWidth = 55.0 * fgkmm;
+ new TGeoBBox("ITSSPDpatchShape2", 0.5*subThickness, 60.0 * fgkmm, 0.5*subWidth);
+ TGeoRotation *rotSub = new TGeoRotation(*gGeoIdentity);
+ rotSub->SetName("shPatchSubRot");
+ rotSub->RotateZ(50.0);
+ rotSub->RegisterYourself();
+ TGeoCombiTrans *trSub = new TGeoCombiTrans(0.26*hLength, 0.26*vLength, 0.0, rotSub);
+ trSub->SetName("shPatchSubTr");
+ trSub->RegisterYourself();
+
+ TGeoCompositeShape *shPatchFinal = new TGeoCompositeShape("ITSSPDpatchShape1-(ITSSPDpatchShape2:shPatchSubTr)");
+ */
+
+ TGeoMedium *mat = GetMedium("AL$", mgr);
+ //TGeoVolume *vPatch = new TGeoVolume("ITSSPDpatchPanel", shPatchFinal, mat);
+ TGeoVolume *vPatch = new TGeoVolume("ITSSPDpatchPanel", shPatch, mat);
+ vPatch->SetLineColor(kAzure);
+
+ return vPatch;
+}
+
+//___________________________________________________________________
+TGeoCompositeShape* AliITSv11GeometrySPD::CreateGroundingFoilShape
+ (Int_t itype,Double_t &length,Double_t &width,
+ Double_t thickness,TArrayD &sizes)
+{
+ //
+ // Creates the typical composite shape of the grounding foil:
+ //
+ // +---------------------------------------------------------+
+ // | 5 6 9 |
+ // | +-----------+ +------------+ 10
+ // | O | | |
+ // | 3 /-----+ 4 +------+
+ // | 1 / 7 8
+ // | /----------/
+ // +-----/ 2 +
+ // 0
+ // Z + 11
+ //
+ // This shape is used 4 times: two layers of glue, one in kapton
+ // and one in aluminum, taking into account that the aliminum
+ // layer has small differences in the size of some parts.
+ // ---
+ // In order to overcome problems apparently due to a large number
+ // of points, the shape creation is done according the following
+ // steps:
+ // 1) a TGeoBBox is created with a size right enough to contain
+ // the whole shape (0-1-X-13)
+ // 2) holes are defined as other TGeoBBox which are subtracted
+ // from the main shape
+ // 3) a TGeoXtru is defined connecting the points (0-->11-->0)
+ // and is also subtracted from the main shape
+ // ---
+ // The argument ("type") is used to choose between all these
+ // possibilities:
+ // - type = 0 --> kapton layer
+ // - type = 1 --> aluminum layer
+ // - type = 2 --> glue layer between support and GF
+ // - type = 3 --> glue layer between GF and ladders
+ // Returns: a TGeoCompositeShape which will then be used to shape
+ // several volumes. Since TGeoXtru is used, the local reference
+ // frame of this object has X horizontal and Y vertical w.r to
+ // the shape drawn above, and Z axis going perpendicularly to the screen.
+ // This is not the correct reference for the half stave, for which
+ // the "long" dimension is Z and the "short" is X, while Y goes in
+ // the direction of thickness. This will imply some rotations when
+ // using the volumes created with this shape.
+
+ // suffix to differentiate names
+ Char_t type[10];
+
+ // size of the virtual box containing exactly this volume
+ length = fgkmm * 243.18;
+ width = fgkmm * 15.95;
+ if (itype == 1) {
+ length -= fgkmm * 0.4;
+ width -= fgkmm * 0.4;
+ } // end if itype==1
+ switch (itype) {
+ case 0:
+ snprintf(type,10,"Kap");
+ break;
+ case 1:
+ snprintf(type,10, "Alu");
+ break;
+ case 2:
+ snprintf(type,10,"Glue1");
+ break;
+ case 3:
+ snprintf(type,10,"Glue2");
+ break;
+ }
+ // we divide the shape in several slices along the horizontal
+ // direction (local X) here we define define the length of all
+ // sectors (from leftmost to rightmost)
+ Int_t i;
+ Double_t sliceLength[] = { 140.71, 2.48, 26.78, 4.00,
+ 10.00, 24.40, 10.00, 24.81 };
+ for (i = 0; i < 8; i++) sliceLength[i] *= fgkmm;
+ if (itype == 1) {
+ sliceLength[0] -= fgkmm * 0.2;
+ sliceLength[4] -= fgkmm * 0.2;
+ sliceLength[5] += fgkmm * 0.4;
+ sliceLength[6] -= fgkmm * 0.4;
+ } // end if itype ==1
+
+ // as shown in the drawing, we have four different widths
+ // (along local Y) in this shape:
+ Double_t widthMax = fgkmm * 15.95;
+ Double_t widthMed1 = fgkmm * 15.00;
+ Double_t widthMed2 = fgkmm * 11.00;
+ Double_t widthMin = fgkmm * 4.40;
+ if (itype == 1) {
+ widthMax -= fgkmm * 0.4;
+ widthMed1 -= fgkmm * 0.4;
+ widthMed2 -= fgkmm * 0.4;
+ widthMin -= fgkmm * 0.4;
+ } // end if itype==1
+
+ // create the main shape
+ TGeoBBox *shGroundFull = 0;
+ shGroundFull = new TGeoBBox(Form("ITSSPDSHgFoil%sFull", type),
+ 0.5*length,0.5*width, 0.5*thickness);
+
+ if(GetDebug(5)) shGroundFull->Print(); // Avoid Coverity warning
+
+ // create the polygonal shape to be subtracted to give the correct
+ // shape to the borders its vertices are defined in sugh a way that
+ // this polygonal will be placed in the correct place considered
+ // that the origin of the local reference frame is in the center
+ // of the main box: we fix the starting point at the lower-left
+ // edge of the shape (point 12), and add all points in order,
+ // following a clockwise rotation
+
+ Double_t x[13], y[13];
+ x[ 0] = -0.5 * length + sliceLength[0];
+ y[ 0] = -0.5 * widthMax;
+
+ x[ 1] = x[0] + sliceLength[1];
+ y[ 1] = y[0] + (widthMax - widthMed1);
+
+ x[ 2] = x[1] + sliceLength[2];
+ y[ 2] = y[1];
+
+ x[ 3] = x[2] + sliceLength[3];
+ y[ 3] = y[2] + (widthMed1 - widthMed2);
+
+ x[ 4] = x[3] + sliceLength[4];
+ y[ 4] = y[3];
+
+ x[ 5] = x[4];
+ y[ 5] = y[4] + (widthMed2 - widthMin);
+
+ x[ 6] = x[5] + sliceLength[5];
+ y[ 6] = y[5];
+
+ x[ 7] = x[6];
+ y[ 7] = y[4];
+
+ x[ 8] = x[7] + sliceLength[6];
+ y[ 8] = y[7];
+
+ x[ 9] = x[8];
+ y[ 9] = y[6];
+
+ x[10] = x[9] + sliceLength[7] + 0.5;
+ y[10] = y[9];
+
+ x[11] = x[10];
+ y[11] = y[0] - 0.5;
+
+ x[12] = x[0];
+ y[12] = y[11];
+
+ // create the shape
+ TGeoXtru *shGroundXtru = new TGeoXtru(2);
+ shGroundXtru->SetName(Form("ITSSPDSHgFoil%sXtru", type));
+ shGroundXtru->DefinePolygon(13, x, y);
+ shGroundXtru->DefineSection(0, -thickness, 0., 0., 1.0);
+ shGroundXtru->DefineSection(1, thickness, 0., 0., 1.0);
+
+ // define a string which will express the algebric operations among volumes
+ // and add the subtraction of this shape from the main one
+ TString strComposite(Form("ITSSPDSHgFoil%sFull-(%s+", type,
+ shGroundXtru->GetName()));
+
+ // define the holes according to size information coming from drawings:
+ Double_t holeLength = fgkmm * 10.00;
+ Double_t holeWidth = fgkmm * 7.50;
+ Double_t holeSepX0 = fgkmm * 7.05; // separation between center
+ // of first hole and left border
+ Double_t holeSepXC = fgkmm * 14.00; // separation between the centers
+ // of two consecutive holes
+ Double_t holeSepX1 = fgkmm * 15.42; // separation between centers of
+ // 5th and 6th hole
+ Double_t holeSepX2 = fgkmm * 22.00; // separation between centers of
+ // 10th and 11th hole
+ if (itype == 1) {
+ holeSepX0 -= fgkmm * 0.2;
+ holeLength += fgkmm * 0.4;
+ holeWidth += fgkmm * 0.4;
+ } // end if itype==1
+ sizes.Set(7);
+ sizes[0] = holeLength;
+ sizes[1] = holeWidth;
+ sizes[2] = holeSepX0;
+ sizes[3] = holeSepXC;
+ sizes[4] = holeSepX1;
+ sizes[5] = holeSepX2;
+ sizes[6] = fgkmm * 4.40;
+
+ // X position of hole center (will change for each hole)
+ Double_t holeX = -0.5*length;
+ // Y position of center of all holes (= 4.4 mm from upper border)
+ Double_t holeY = 0.5*(width - holeWidth) - widthMin;
+
+ // create a shape for the holes (common)
+ new TGeoBBox(Form("ITSSPD%sGfoilHole", type),0.5*holeLength,
+ 0.5*holeWidth, thickness);
+
+ // insert the holes in the XTRU shape:
+ // starting from the first value of X, they are simply
+ // shifted along this axis
+ char name[200];
+ TGeoTranslation *transHole[11];
+ for (i = 0; i < 11; i++) {
+ // set the position of the hole, depending on index
+ if (i == 0) {
+ holeX += holeSepX0;
+ }else if (i < 5) {
+ holeX += holeSepXC;
+ }else if (i == 5) {
+ holeX += holeSepX1;
+ }else if (i < 10) {
+ holeX += holeSepXC;
+ }else {
+ holeX += holeSepX2;
+ } // end if else if's
+ //cout << i << " --> X = " << holeX << endl;
+ snprintf(name,200,"ITSSPDTRgFoil%sHole%d", type, i);
+ transHole[i] = new TGeoTranslation(name, holeX, holeY, 0.0);
+ transHole[i]->RegisterYourself();
+ strComposite.Append(Form("ITSSPD%sGfoilHole:%s", type, name));
+ if (i < 10) strComposite.Append("+"); else strComposite.Append(")");
+ } // end for i
+
+ // create composite shape
+ TGeoCompositeShape *shGround = new TGeoCompositeShape(
+ Form("ITSSPDSHgFoil%s", type), strComposite.Data());
+
+ return shGround;
+}
+//______________________________________________________________________
+TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateGroundingFoil(Bool_t isRight,
+ TArrayD &sizes, TGeoManager *mgr)
+{
+ //
+ // Create a volume containing all parts of the grounding foil a
+ // for a half-stave.
+ // It consists of 4 layers with the same shape but different thickness:
+ // 1) a layer of glue
+ // 2) the aluminum layer
+ // 3) the kapton layer
+ // 4) another layer of glue
+ // ---
+ // Arguments:
+ // 1: a boolean value to know if it is the grounding foir for
+ // the right or left side
+ // 2: a TArrayD which will contain the dimension of the container box:
+ // - size[0] = length along Z (the beam line direction)
+ // - size[1] = the 'width' of the stave, which defines, together
+ // with Z, the plane of the carbon fiber support
+ // - size[2] = 'thickness' (= the direction along which all
+ // stave components are superimposed)
+ // 3: the TGeoManager
+ // ---
+ // The return value is a TGeoBBox volume containing all grounding
+ // foil components.
+ // to avoid strange behaviour of the geometry manager,
+ // create a suffix to be used in the names of all shapes
+ //
+ char suf[5];
+ if (isRight) strncpy(suf, "R", 5); else strncpy(suf, "L", 5);
+ // this volume will be created in order to ease its placement in
+ // the half-stave; then, it is added here the small distance of
+ // the "central" edge of each volume from the Z=0 plane in the stave
+ // reference (which coincides with ALICE one)
+ Double_t dist = fgkmm * 0.71;
+
+ // define materials
+ TGeoMedium *medKap = GetMedium("SPD KAPTON(POLYCH2)$", mgr);
+ TGeoMedium *medAlu = GetMedium("AL$", mgr);
+ TGeoMedium *medGlue = GetMedium("EPOXY$", mgr); //??? GLUE_GF_SUPPORT
+
+ // compute the volume shapes (thicknesses change from one to the other)
+ Double_t kpLength, kpWidth, alLength, alWidth;
+ TArrayD kpSize, alSize, glSize;
+ Double_t kpThickness = fgkmm * 0.04;
+ Double_t alThickness = fgkmm * 0.01;
+//cout << "AL THICKNESS" << alThickness << endl;
+ //Double_t g0Thickness = fgkmm * 0.1175 - fgkGapHalfStave;
+ //Double_t g1Thickness = fgkmm * 0.1175 - fgkGapLadder;
+ Double_t g0Thickness = fgkmm * 0.1275 - fgkGapHalfStave;
+ Double_t g1Thickness = fgkmm * 0.1275 - fgkGapLadder;
+ TGeoCompositeShape *kpShape = CreateGroundingFoilShape(0,kpLength,kpWidth,
+ kpThickness, kpSize);
+ TGeoCompositeShape *alShape = CreateGroundingFoilShape(1,alLength,alWidth,
+ alThickness, alSize);
+ TGeoCompositeShape *g0Shape = CreateGroundingFoilShape(2,kpLength,kpWidth,
+ g0Thickness, glSize);
+ TGeoCompositeShape *g1Shape = CreateGroundingFoilShape(3,kpLength,kpWidth,
+ g1Thickness, glSize);
+ // create the component volumes and register their sizes in the
+ // passed arrays for readability reasons, some reference variables
+ // explicit the meaning of the array slots
+ TGeoVolume *kpVol = new TGeoVolume(Form("ITSSPDgFoilKap%s",suf),
+ kpShape, medKap);
+ TGeoVolume *alVol = new TGeoVolume(Form("ITSSPDgFoilAlu%s",suf),
+ alShape, medAlu);
+ TGeoVolume *g0Vol = new TGeoVolume(Form("ITSSPDgFoilGlue%s",suf),
+ g0Shape, medGlue);
+ TGeoVolume *g1Vol = new TGeoVolume(Form("ITSSPDgFoilGlue%s",suf),
+ g1Shape, medGlue);
+ // set colors for the volumes
+ kpVol->SetLineColor(kRed);
+ alVol->SetLineColor(kGray);
+ g0Vol->SetLineColor(kYellow);
+ g1Vol->SetLineColor(kYellow);
+ // create references for the final size object
+ if (sizes.GetSize() != 3) sizes.Set(3);
+ Double_t &fullThickness = sizes[0];
+ Double_t &fullLength = sizes[1];
+ Double_t &fullWidth = sizes[2];
+ // kapton leads the larger dimensions of the foil
+ // (including the cited small distance from Z=0 stave reference plane)
+ // the thickness is the sum of the ones of all components
+ fullLength = kpLength + dist;
+ fullWidth = kpWidth;
+ fullThickness = kpThickness + alThickness + g0Thickness + g1Thickness;
+ // create the container
+// TGeoMedium *air = GetMedium("AIR$", mgr);
+ TGeoVolumeAssembly *container = new TGeoVolumeAssembly(Form("ITSSPDgFOIL-%s",suf));
+// TGeoVolume *container = mgr->MakeBox(Form("ITSSPDgFOIL-%s",suf),
+// air, 0.5*fullThickness, 0.5*fullWidth, 0.5*fullLength);
+ // create the common correction rotation (which depends of what side
+ // we are building)
+ TGeoRotation *rotCorr = new TGeoRotation(*gGeoIdentity);
+ if (isRight) rotCorr->RotateY(90.0);
+ else rotCorr->RotateY(-90.0);
+ // compute the translations, which are in the length and
+ // thickness directions
+ Double_t x, y, z, shift = 0.0;
+ if (isRight) shift = dist;
+ // glue (bottom)
+ x = -0.5*(fullThickness - g0Thickness);
+ z = 0.5*(fullLength - kpLength) - shift;
+ TGeoCombiTrans *glTrans0 = new TGeoCombiTrans(x, 0.0, z, rotCorr);
+ // kapton
+ x += 0.5*(g0Thickness + kpThickness);
+ TGeoCombiTrans *kpTrans = new TGeoCombiTrans(x, 0.0, z, rotCorr);
+ // aluminum
+ x += 0.5*(kpThickness + alThickness);
+ z = 0.5*(fullLength - alLength) - shift - 0.5*(kpLength - alLength);
+ TGeoCombiTrans *alTrans = new TGeoCombiTrans(x, 0.0, z, rotCorr);
+ // glue (top)
+ x += 0.5*(alThickness + g1Thickness);
+ z = 0.5*(fullLength - kpLength) - shift;
+ TGeoCombiTrans *glTrans1 = new TGeoCombiTrans(x, 0.0, z, rotCorr);
+
+ //cout << fgkGapHalfStave << endl;
+ //cout << g0Thickness << endl;
+ //cout << kpThickness << endl;
+ //cout << alThickness << endl;
+ //cout << g1Thickness << endl;
+
+ // add to container
+ container->SetLineColor(kMagenta-10);
+ container->AddNode(kpVol, 1, kpTrans);
+ container->AddNode(alVol, 1, alTrans);
+ container->AddNode(g0Vol, 1, glTrans0);
+ container->AddNode(g1Vol, 2, glTrans1);
+ // to add the grease we remember the sizes of the holes, stored as
+ // additional parameters in the kapton layer size:
+ // - sizes[3] = hole length
+ // - sizes[4] = hole width
+ // - sizes[5] = position of first hole center
+ // - sizes[6] = standard separation between holes
+ // - sizes[7] = separation between 5th and 6th hole
+ // - sizes[8] = separation between 10th and 11th hole
+ // - sizes[9] = separation between the upper hole border and
+ // the foil border
+ Double_t holeLength = kpSize[0];
+ Double_t holeWidth = kpSize[1];
+ Double_t holeFirstZ = kpSize[2];
+ Double_t holeSepZ = kpSize[3];
+ Double_t holeSep5th6th = kpSize[4];
+ Double_t holeSep10th11th = kpSize[5];
+ Double_t holeSepY = kpSize[6];
+ // volume (common)
+ // Grease has not been defined to date. Need much more information
+ // no this material!
+ TGeoMedium *grease = GetMedium("SPD KAPTON(POLYCH2)$", mgr); // ??? GREASE
+ TGeoVolume *hVol = mgr->MakeBox("ITSSPDGrease", grease,
+ 0.5*fullThickness, 0.5*holeWidth, 0.5*holeLength);
+ hVol->SetLineColor(kBlue);
+ // displacement of volumes in the container
+ Int_t idx = 1; // copy numbers start from 1.
+ x = 0.0;
+ y = 0.5*(fullWidth - holeWidth) - holeSepY;
+ if (isRight) z = holeFirstZ - 0.5*fullLength + dist;
+ else z = 0.5*fullLength - holeFirstZ - dist;
+ for (Int_t i = 0; i < 11; i++) {
+ TGeoTranslation *t = 0;
+ t = new TGeoTranslation(x, y, -z);
+ container->AddNode(hVol, idx++, t);
+ if (i < 4) shift = holeSepZ;
+ else if (i == 4) shift = holeSep5th6th;
+ else if (i < 9) shift = holeSepZ;
+ else shift = holeSep10th11th;
+ if (isRight) z += shift;
+ else z -= shift;
+ } // end for i
+ return container;
+}
+//___________________________________________________________________
+TGeoVolumeAssembly* AliITSv11GeometrySPD::CreateMCM(Bool_t isRight,
+ TArrayD &sizes, TGeoManager *mgr) const
+{
+ //
+ // Create a TGeoAssembly containing all the components of the MCM.
+ // The TGeoVolume container is rejected due to the possibility of overlaps
+ // when placing this object on the carbon fiber sector.
+ // The assembly contains:
+ // - the thin part of the MCM (integrated circuit)
+ // - the MCM chips (specifications from EDMS)
+ // - the cap which covers the zone where chips are bound to MCM
+ // ---
+ // The local reference frame of this assembly is defined in such a way
+ // that all volumes are contained in a virtual box whose center
+ // is placed exactly in the middle of the occupied space w.r to all
+ // directions. This will ease the positioning of this object in the
+ // half-stave. The sizes of this virtual box are stored in
+ // the array passed by reference.
+ // ---
+ // Arguments:
+ // - a boolean flag to know if this is the "left" or "right" MCM, when
+ // looking at the stave from above (i.e. the direction from which
+ // one sees bus over ladders over grounding foil) and keeping the
+ // continuous border in the upper part, one sees the thicker part
+ // on the left or right.
+ // - an array passed by reference which will contain the size of
+ // the virtual container.
+ // - a pointer to the used TGeoManager.
+ //
+
+ // to distinguish the "left" and "right" objects, a suffix is created
+ char suf[5];
+ if (isRight) strncpy(suf, "R", 5); else strncpy(suf, "L", 5);
+
+ // ** MEDIA **
+ TGeoMedium *medBase = GetMedium("SPD KAPTON(POLYCH2)$",mgr);// ??? MCM BASE
+ TGeoMedium *medChip = GetMedium("SPD SI CHIP$",mgr);
+ TGeoMedium *medCap = GetMedium("AL$",mgr);
+
+ // The shape of the MCM is divided into 3 sectors with different
+ // widths (Y) and lengths (X), like in this sketch:
+ //
+ // 0 1 2
+ // +---------------------+-----------------------------------+
+ // | 4 sect 2 |
+ // | 6 sect 1 /-------------------+
+ // | sect 0 /--------------/ 3
+ // +--------------------/ 5
+ // 8 7
+ //
+ // the inclination of all oblique borders (6-7, 4-5) is always 45 degrees.
+ // From drawings we can parametrize the dimensions of all these sectors,
+ // then the shape of this part of the MCM is implemented as a
+ // TGeoXtru centerd in the virtual XY space.
+ // The first step is definig the relevant sizes of this shape:
+ Int_t i, j;
+ Double_t mcmThickness = fgkmm * 0.35;
+ Double_t sizeXtot = fgkmm * 105.6; // total distance (0-2)
+ // resp. 7-8, 5-6 and 3-4
+ Double_t sizeXsector[3] = {fgkmm * 28.4, fgkmm * 41.4, fgkmm * 28.8};
+ // resp. 0-8, 1-6 and 2-3
+ Double_t sizeYsector[3] = {fgkmm * 15.0, fgkmm * 11.0, fgkmm * 8.0};
+ Double_t sizeSep01 = fgkmm * 4.0; // x(6)-x(7)
+ Double_t sizeSep12 = fgkmm * 3.0; // x(4)-x(5)
+
+ // define sizes of chips (last is the thickest)
+ Double_t chipLength[5] = { 4.00, 6.15, 3.85, 5.60, 18.00 };
+ Double_t chipWidth[5] = { 3.00, 4.10, 3.85, 5.60, 5.45 };
+ Double_t chipThickness[5] = { 0.60, 0.30, 0.30, 1.00, 1.20 };
+ TString name[5];
+ name[0] = "ITSSPDanalog";
+ name[1] = "ITSSPDpilot";
+ name[2] = "ITSSPDgol";
+ name[3] = "ITSSPDrx40";
+ name[4] = "ITSSPDoptical";
+ Color_t color[5] = { kCyan, kGreen, kYellow, kBlue, kOrange };
+
+ // define the sizes of the cover
+ Double_t capThickness = fgkmm * 0.3;
+ Double_t capHeight = fgkmm * 1.7;
+
+ // compute the total size of the virtual container box
+ sizes.Set(3);
+ Double_t &thickness = sizes[0];
+ Double_t &length = sizes[1];
+ Double_t &width = sizes[2];
+ length = sizeXtot;
+ width = sizeYsector[0];
+ thickness = mcmThickness + capHeight;
+
+ // define all the relevant vertices of the polygon
+ // which defines the transverse shape of the MCM.
+ // These values are used to several purposes, and
+ // for each one, some points must be excluded
+ Double_t xRef[9], yRef[9];
+ xRef[0] = -0.5*sizeXtot;
+ yRef[0] = 0.5*sizeYsector[0];
+ xRef[1] = xRef[0] + sizeXsector[0] + sizeSep01;
+ yRef[1] = yRef[0];
+ xRef[2] = -xRef[0];
+ yRef[2] = yRef[0];
+ xRef[3] = xRef[2];
+ yRef[3] = yRef[2] - sizeYsector[2];
+ xRef[4] = xRef[3] - sizeXsector[2];
+ yRef[4] = yRef[3];
+ xRef[5] = xRef[4] - sizeSep12;
+ yRef[5] = yRef[4] - sizeSep12;
+ xRef[6] = xRef[5] - sizeXsector[1];
+ yRef[6] = yRef[5];
+ xRef[7] = xRef[6] - sizeSep01;
+ yRef[7] = yRef[6] - sizeSep01;
+ xRef[8] = xRef[0];
+ yRef[8] = -yRef[0];
+
+ // the above points are defined for the "right" MCM (if ve view the
+ // stave from above) in order to change to the "left" one, we must
+ // change the sign to all X values:
+ if (isRight) for (i = 0; i < 9; i++) xRef[i] = -xRef[i];
+
+ // the shape of the MCM and glue layer are done excluding point 1,
+ // which is not necessary and cause the geometry builder to get confused
+ j = 0;
+ Double_t xBase[8], yBase[8];
+ for (i = 0; i < 9; i++) {
+ if (i == 1) continue;
+ xBase[j] = xRef[i];
+ yBase[j] = yRef[i];
+ j++;
+ } // end for i
+
+ // the MCM cover is superimposed over the zones 1 and 2 only
+ Double_t xCap[6], yCap[6];
+ j = 0;
+ for (i = 1; i <= 6; i++) {
+ xCap[j] = xRef[i];
+ yCap[j] = yRef[i];
+ j++;
+ } // end for i
+
+ // define positions of chips,
+ // which must be added to the bottom-left corner of MCM
+ // and divided by 1E4;
+ Double_t chipX[5], chipY[5];
+ if (isRight) {
+ chipX[0] = 666320.;
+ chipX[1] = 508320.;
+ chipX[2] = 381320.;
+ chipX[3] = 295320.;
+ chipX[4] = 150320.;
+ chipY[0] = 23750.;
+ chipY[1] = 27750.;
+ chipY[2] = 20750.;
+ chipY[3] = 42750.;
+ chipY[4] = 39750.;
+ } else {
+ chipX[0] = 389730.;
+ chipX[1] = 548630.;
+ chipX[2] = 674930.;
+ chipX[3] = 761430.;
+ chipX[4] = 905430.;
+ chipY[0] = 96250.;
+ chipY[1] = 91950.;
+ chipY[2] = 99250.;
+ chipY[3] = 107250.;
+ chipY[4] = 109750.;
+ } // end if isRight
+ for (i = 0; i < 5; i++) {
+ chipX[i] *= 0.00001;
+ chipY[i] *= 0.00001;
+ if (isRight) {
+ chipX[i] += xRef[3];
+ chipY[i] += yRef[3];
+ } else {
+ chipX[i] += xRef[8];
+ chipY[i] += yRef[8];
+ } // end for isRight
+ chipLength[i] *= fgkmm;
+ chipWidth[i] *= fgkmm;
+ chipThickness[i] *= fgkmm;
+ } // end for i
+
+ // create shapes for MCM
+ Double_t z1, z2;
+ TGeoXtru *shBase = new TGeoXtru(2);
+ z1 = -0.5*thickness;
+ z2 = z1 + mcmThickness;
+ shBase->DefinePolygon(8, xBase, yBase);
+ shBase->DefineSection(0, z1, 0., 0., 1.0);
+ shBase->DefineSection(1, z2, 0., 0., 1.0);
+
+ // create volumes of MCM
+ TGeoVolume *volBase = new TGeoVolume("ITSSPDbase", shBase, medBase);
+ volBase->SetLineColor(kRed);
+
+ // to create the border of the MCM cover, it is required the
+ // subtraction of two shapes the outer is created using the
+ // reference points defined here
+ TGeoXtru *shCapOut = new TGeoXtru(2);
+ shCapOut->SetName(Form("ITSSPDshCAPOUT%s", suf));
+ z1 = z2;
+ z2 = z1 + capHeight - capThickness;
+ shCapOut->DefinePolygon(6, xCap, yCap);
+ shCapOut->DefineSection(0, z1, 0., 0., 1.0);
+ shCapOut->DefineSection(1, z2, 0., 0., 1.0);
+ // the inner is built similarly but subtracting the thickness
+ Double_t angle, cs;
+ Double_t xin[6], yin[6];
+ if (!isRight) {
+ angle = 45.0;
+ cs = TMath::Cos( 0.5*(TMath::Pi() - angle*TMath::DegToRad()) );
+ xin[0] = xCap[0] + capThickness;
+ yin[0] = yCap[0] - capThickness;
+ xin[1] = xCap[1] - capThickness;
+ yin[1] = yin[0];
+ xin[2] = xin[1];
+ yin[2] = yCap[2] + capThickness;
+ xin[3] = xCap[3] - capThickness*cs;
+ yin[3] = yin[2];
+ xin[4] = xin[3] - sizeSep12;
+ yin[4] = yCap[4] + capThickness;
+ xin[5] = xin[0];
+ yin[5] = yin[4];
+ } else {
+ angle = 45.0;
+ cs = TMath::Cos( 0.5*(TMath::Pi() - angle*TMath::DegToRad()) );
+ xin[0] = xCap[0] - capThickness;
+ yin[0] = yCap[0] - capThickness;
+ xin[1] = xCap[1] + capThickness;
+ yin[1] = yin[0];
+ xin[2] = xin[1];
+ yin[2] = yCap[2] + capThickness;
+ xin[3] = xCap[3] - capThickness*cs;
+ yin[3] = yin[2];
+ xin[4] = xin[3] + sizeSep12;
+ yin[4] = yCap[4] + capThickness;
+ xin[5] = xin[0];
+ yin[5] = yin[4];
+ } // end if !isRight
+ TGeoXtru *shCapIn = new TGeoXtru(2);
+ shCapIn->SetName(Form("ITSSPDshCAPIN%s", suf));
+ shCapIn->DefinePolygon(6, xin, yin);
+ shCapIn->DefineSection(0, z1 - 0.01, 0., 0., 1.0);
+ shCapIn->DefineSection(1, z2 + 0.01, 0., 0., 1.0);
+ // compose shapes
+ TGeoCompositeShape *shCapBorder = new TGeoCompositeShape(
+ Form("ITSSPDshBORDER%s", suf),
+ Form("%s-%s", shCapOut->GetName(),
+ shCapIn->GetName()));
+ // create volume
+ TGeoVolume *volCapBorder = new TGeoVolume("ITSSPDcapBoarder",
+ shCapBorder,medCap);
+ volCapBorder->SetLineColor(kGreen);
+ // finally, we create the top of the cover, which has the same
+ // shape of outer border and a thickness equal of the one othe
+ // cover border one
+ TGeoXtru *shCapTop = new TGeoXtru(2);
+ z1 = z2;
+ z2 = z1 + capThickness;
+ shCapTop->DefinePolygon(6, xCap, yCap);
+ shCapTop->DefineSection(0, z1, 0., 0., 1.0);
+ shCapTop->DefineSection(1, z2, 0., 0., 1.0);
+ TGeoVolume *volCapTop = new TGeoVolume("ITSSPDcapTop", shCapTop, medCap);
+ volCapTop->SetLineColor(kBlue);
+
+ // create container assembly with right suffix
+ TGeoVolumeAssembly *mcmAssembly = new TGeoVolumeAssembly(
+ Form("ITSSPDmcm%s", suf));
+
+ // add mcm layer
+ mcmAssembly->AddNode(volBase, 1, gGeoIdentity);
+ // add chips
+ for (i = 0; i < 5; i++) {
+ TGeoVolume *box = gGeoManager->MakeBox(name[i],medChip,
+ 0.5*chipLength[i], 0.5*chipWidth[i], 0.5*chipThickness[i]);
+ TGeoTranslation *tr = new TGeoTranslation(chipX[i],chipY[i],
+ 0.5*(-thickness + chipThickness[i]) + mcmThickness);
+ box->SetLineColor(color[i]);
+ mcmAssembly->AddNode(box, 1, tr);
+ } // end for i
+ // add cap border
+ mcmAssembly->AddNode(volCapBorder, 1, gGeoIdentity);
+ // add cap top
+ mcmAssembly->AddNode(volCapTop, 1, gGeoIdentity);
+
+ return mcmAssembly;
+}
+
+//______________________________________________________________________
+TGeoVolumeAssembly* AliITSv11GeometrySPD::CreatePixelBus
+(Bool_t isRight, Int_t ilayer, TArrayD &sizes, TGeoManager *mgr) const
+{
+ //
+ // The pixel bus is implemented as a TGeoBBox with some objects on it,
+ // which could affect the particle energy loss.
+ // ---
+ // In order to avoid confusion, the bus is directly displaced
+ // according to the axis orientations which are used in the final stave:
+ // X --> thickness direction
+ // Y --> width direction
+ // Z --> length direction
+ //
+
+ // ** CRITICAL CHECK ******************************************************
+ // layer number can be ONLY 1 or 2
+ if (ilayer != 1 && ilayer != 2) AliFatal("Layer number MUST be 1 or 2");
+
+ // ** MEDIA **
+ //PIXEL BUS
+ TGeoMedium *medBus = GetMedium("SPDBUS(AL+KPT+EPOX)$",mgr);
+ TGeoMedium *medPt1000 = GetMedium("CERAMICS$",mgr); // ??? PT1000
+ // Capacity
+ TGeoMedium *medCap = GetMedium("SDD X7R capacitors$",mgr);
+ // ??? Resistance
+ //TGeoMedium *medRes = GetMedium("SDD X7R capacitors$",mgr);
+ TGeoMedium *medRes = GetMedium("ALUMINUM$",mgr);
+ //TGeoMedium *medExt = GetMedium("SDDKAPTON (POLYCH2)$", mgr);
+ TGeoMedium *medExt = GetMedium("SPD-MIX CU KAPTON$", mgr);
+ // ** SIZES & POSITIONS **
+ Double_t busLength = 170.501 * fgkmm; // length of plane part
+ Double_t busWidth = 13.800 * fgkmm; // width
+ Double_t busThickness = 0.280 * fgkmm; // thickness
+ Double_t pt1000Length = fgkmm * 1.50;
+ Double_t pt1000Width = fgkmm * 3.10;
+ Double_t pt1000Thickness = fgkmm * 0.60;
+ Double_t pt1000Y, pt1000Z[10];// position of the pt1000's along the bus
+ Double_t capLength = fgkmm * 2.55;
+ Double_t capWidth = fgkmm * 1.50;
+ Double_t capThickness = fgkmm * 1.35;
+ Double_t capY[2], capZ[2];
+
+ Double_t resLength = fgkmm * 2.20;
+ Double_t resWidth = fgkmm * 0.80;
+ Double_t resThickness = fgkmm * 0.35;
+ Double_t resY[2], resZ[2];
+
+ Double_t extThickness = fgkmm * 0.25;
+ Double_t ext1Length = fgkmm * (26.7 - 10.0);
+ Double_t ext2Length = fgkmm * 284.0 - ext1Length + extThickness;
+ Double_t ext2LengthL2 = fgkmm * 130.0;
+ Double_t ext4Length = fgkmm * 40.0;
+ Double_t ext4Twist = 66.54; //deg
+ Double_t extWidth = fgkmm * 11.0;
+ Double_t extHeight = fgkmm * 2.5;
+
+ // position of pt1000, resistors and capacitors depends on the
+ // bus if it's left or right one
+ if (!isRight) {
+ pt1000Y = 64400.;
+ pt1000Z[0] = 66160.;
+ pt1000Z[1] = 206200.;
+ pt1000Z[2] = 346200.;
+ pt1000Z[3] = 486200.;
+ pt1000Z[4] = 626200.;
+ pt1000Z[5] = 776200.;
+ pt1000Z[6] = 916200.;
+ pt1000Z[7] = 1056200.;
+ pt1000Z[8] = 1196200.;
+ pt1000Z[9] = 1336200.;
+ resZ[0] = 1397500.;
+ resY[0] = 26900.;
+ resZ[1] = 682500.;
+ resY[1] = 27800.;
+ capZ[0] = 1395700.;
+ capY[0] = 45700.;
+ capZ[1] = 692600.;
+ capY[1] = 45400.;
+ } else {
+ pt1000Y = 66100.;
+ pt1000Z[0] = 319700.;
+ pt1000Z[1] = 459700.;
+ pt1000Z[2] = 599700.;
+ pt1000Z[3] = 739700.;
+ pt1000Z[4] = 879700.;
+ pt1000Z[5] = 1029700.;
+ pt1000Z[6] = 1169700.;
+ pt1000Z[7] = 1309700.;
+ pt1000Z[8] = 1449700.;
+ pt1000Z[9] = 1589700.;
+ capY[0] = 44500.;
+ capZ[0] = 266700.;
+ capY[1] = 44300.;
+ capZ[1] = 974700.;
+ resZ[0] = 266500.;
+ resY[0] = 29200.;
+ resZ[1] = 974600.;
+ resY[1] = 29900.;
+ } // end if isRight
+ Int_t i;
+ pt1000Y *= 1E-4 * fgkmm;
+ for (i = 0; i < 10; i++) {
+ pt1000Z[i] *= 1E-4 * fgkmm;
+ if (i < 2) {
+ capZ[i] *= 1E-4 * fgkmm;
+ capY[i] *= 1E-4 * fgkmm;
+ resZ[i] *= 1E-4 * fgkmm;
+ resY[i] *= 1E-4 * fgkmm;
+ } // end if iM2
+ } // end for i
+
+ Double_t &fullLength = sizes[1];
+ Double_t &fullWidth = sizes[2];
+ Double_t &fullThickness = sizes[0];
+ fullLength = busLength;
+ fullWidth = busWidth;
+ // add the thickness of the thickest component on bus (capacity)
+ fullThickness = busThickness + capThickness;
+
+ // ** VOLUMES **
+ TGeoVolumeAssembly *container = new TGeoVolumeAssembly("ITSSPDpixelBus");
+ TGeoVolume *bus = mgr->MakeBox("ITSSPDbus", medBus, 0.5*busThickness,
+ 0.5*busWidth, 0.5*busLength);
+ TGeoVolume *pt1000 = mgr->MakeBox("ITSSPDpt1000",medPt1000,
+ 0.5*pt1000Thickness,0.5*pt1000Width, 0.5*pt1000Length);
+ TGeoVolume *res = mgr->MakeBox("ITSSPDresistor", medRes, 0.5*resThickness,
+ 0.5*resWidth, 0.5*resLength);
+ TGeoVolume *cap = mgr->MakeBox("ITSSPDcapacitor", medCap, 0.5*capThickness,
+ 0.5*capWidth, 0.5*capLength);
+
+ char extname[12];
+ snprintf(extname,12,"Extender1l%d",ilayer);
+ TGeoVolume *ext1 = mgr->MakeBox(extname, medExt, 0.5*extThickness, 0.5*extWidth, 0.5*ext1Length);
+ snprintf(extname,12,"Extender2l%d",ilayer);
+ TGeoVolume *ext2 = mgr->MakeBox(extname, medExt, 0.5*extHeight - 2.*extThickness, 0.5*extWidth, 0.5*extThickness);
+ TGeoVolume *ext3=0;
+ snprintf(extname,12,"Extender3l%d",ilayer);
+ TGeoVolume *ext4=0;
+ snprintf(extname,12,"Extender3l%d",ilayer);
+ if (ilayer==1) {
+ Double_t halflen=(0.5*ext2Length + extThickness);
+ Double_t xprof[6],yprof[6];
+ Double_t alpha=24;
+ xprof[0] = -halflen;
+ yprof[0] = -0.5*extThickness;
+ xprof[1] = halflen/2;
+ yprof[1] = yprof[0];
+ xprof[2] = xprof[1] + 0.5*halflen*CosD(alpha);
+ yprof[2] = yprof[1] + 0.5*halflen*SinD(alpha);
+ xprof[3] = xprof[2] - extThickness*SinD(alpha);
+ yprof[3] = yprof[2] + extThickness*CosD(alpha);
+ InsidePoint(xprof[0], yprof[0], xprof[1], yprof[1], xprof[2], yprof[2],
+ extThickness, xprof[4], yprof[4]);
+ xprof[5] = xprof[0];
+ yprof[5] = 0.5*extThickness;
+ TGeoXtru *ext3sh = new TGeoXtru(2);
+ ext3sh->DefinePolygon(6, xprof, yprof);
+ ext3sh->DefineSection(0, -0.5*(extWidth-0.8*fgkmm));
+ ext3sh->DefineSection(1, 0.5*(extWidth-0.8*fgkmm));
+ ext3 = new TGeoVolume(extname, ext3sh, medExt);
+ } else {
+ ext3 = mgr->MakeBox(extname, medExt, 0.5*extThickness, 0.5*(extWidth-0.8*fgkmm), 0.5*ext2LengthL2 + extThickness); // Hardcode fix of a small overlap
+ ext4= mgr->MakeGtra("Extender4l2", medExt, 0.5*ext4Length, 0, 0, ext4Twist, 0.5*(extWidth-0.8*fgkmm), 0.5*extThickness, 0.5*extThickness, 0, 0.5*(extWidth-0.8*fgkmm), 0.5*extThickness, 0.5*extThickness, 0);
+ ext4->SetLineColor(kGray);
+ }
+ bus->SetLineColor(kYellow + 2);
+ pt1000->SetLineColor(kGreen + 3);
+ res->SetLineColor(kRed + 1);
+ cap->SetLineColor(kBlue - 7);
+ ext1->SetLineColor(kGray);
+ ext2->SetLineColor(kGray);
+ ext3->SetLineColor(kGray);
+
+ // ** MOVEMENTS AND POSITIONEMENT **
+ // bus
+ TGeoTranslation *trBus = new TGeoTranslation(0.5 * (busThickness -
+ fullThickness), 0.0, 0.0);
+ container->AddNode(bus, 1, trBus);
+ Double_t zRef, yRef, x, y, z;
+ if (isRight) {
+ zRef = -0.5*fullLength;
+ yRef = -0.5*fullWidth;
+ } else {
+ zRef = -0.5*fullLength;
+ yRef = -0.5*fullWidth;
+ } // end if isRight
+ // pt1000
+ x = 0.5*(pt1000Thickness - fullThickness) + busThickness;
+ for (i = 0; i < 10; i++) {
+ y = yRef + pt1000Y;
+ z = zRef + pt1000Z[i];
+ TGeoTranslation *tr = new TGeoTranslation(x, y, z);
+ container->AddNode(pt1000, i+1, tr);
+ } // end for i
+ // capacitors
+ x = 0.5*(capThickness - fullThickness) + busThickness;
+ for (i = 0; i < 2; i++) {
+ y = yRef + capY[i];
+ z = zRef + capZ[i];
+ TGeoTranslation *tr = new TGeoTranslation(x, y, z);
+ container->AddNode(cap, i+1, tr);
+ } // end for i
+ // resistors
+ x = 0.5*(resThickness - fullThickness) + busThickness;
+ for (i = 0; i < 2; i++) {
+ y = yRef + resY[i];
+ z = zRef + resZ[i];
+ TGeoTranslation *tr = new TGeoTranslation(x, y, z);
+ container->AddNode(res, i+1, tr);
+ } // end for i
+
+ // extender
+ if (ilayer == 2) {
+ if (isRight) {
+ y = 0.5 * (fullWidth - extWidth) - 0.1;
+ z = 0.5 * (-fullLength + fgkmm * 10.0);
+ }
+ else {
+ y = 0.5 * (fullWidth - extWidth) - 0.1;
+ z = 0.5 * ( fullLength - fgkmm * 10.0);
+ }
+ }
+ else {
+ if (isRight) {
+ y = -0.5 * (fullWidth - extWidth);
+ z = 0.5 * (-fullLength + fgkmm * 10.0);
+ }
+ else {
+ y = -0.5 * (fullWidth - extWidth);
+ z = 0.5 * ( fullLength - fgkmm * 10.0);
+ }
+ }
+ x = 0.5 * (extThickness - fullThickness) + busThickness;
+ //y = 0.5 * (fullWidth - extWidth);
+ TGeoTranslation *trExt1 = new TGeoTranslation(x, y, z);
+ if (isRight) {
+ z -= 0.5 * (ext1Length - extThickness);
+ }
+ else {
+ z += 0.5 * (ext1Length - extThickness);
+ }
+ x += 0.5*(extHeight - 3.*extThickness);
+ TGeoTranslation *trExt2 = new TGeoTranslation(x, y, z);
+ if (isRight) {
+ if (ilayer==1)
+ z -= 0.5 * (ext2Length - extThickness) + 2.5*extThickness;
+ else
+ z -= 0.5 * (ext2LengthL2 - extThickness) + 2.5*extThickness;
+ }
+ else {
+ if (ilayer==1)
+ z += 0.5 * (ext2Length - extThickness) + 2.5*extThickness;
+ else
+ z += 0.5 * (ext2LengthL2 - extThickness) + 2.5*extThickness;
+ }
+ x += 0.5*(extHeight - extThickness) - 2.*extThickness;
+ TGeoCombiTrans *trExt3=0;
+ if (ilayer==1) {
+ if (isRight)
+ trExt3 = new TGeoCombiTrans(x, y, z, new TGeoRotation("",0.,-90.,90.));
+ else
+ trExt3 = new TGeoCombiTrans(x, y, z, new TGeoRotation("",0., 90.,90.));
+ } else
+ trExt3 = new TGeoCombiTrans(x, y, z, 0);
+ container->AddNode(ext1, 0, trExt1);
+ container->AddNode(ext2, 0, trExt2);
+ container->AddNode(ext3, 0, trExt3);
+ if (ilayer==2) {
+ TGeoCombiTrans *trExt4=0;
+ if (isRight) {
+ z -= ( ((TGeoBBox*)ext3->GetShape())->GetDZ() + ((TGeoGtra*)ext4->GetShape())->GetDZ() );
+ trExt4 = new TGeoCombiTrans(x, y, z, new TGeoRotation("", ext4Twist/2,0,0));
+ } else {
+ z += ( ((TGeoBBox*)ext3->GetShape())->GetDZ() + ((TGeoGtra*)ext4->GetShape())->GetDZ() );
+ trExt4 = new TGeoCombiTrans(x, y, z, new TGeoRotation("",-ext4Twist/2,0,0));
+ }
+ container->AddNode(ext4, 0, trExt4);
+ }
+ sizes[3] = yRef + pt1000Y;
+ sizes[4] = zRef + pt1000Z[2];
+ sizes[5] = zRef + pt1000Z[7];
+
+ return container;
+}
+
+//______________________________________________________________________
+TList* AliITSv11GeometrySPD::CreateConeModule(Bool_t sideC, const Double_t angrot,
+ TGeoManager *mgr) const
+{
+ //
+ // Creates all services modules and places them in a TList
+ // angrot is the rotation angle (passed as an argument to avoid
+ // defining the same quantity in two different places)
+ //
+ // Created: ?? ??? 2008 A. Pulvirenti
+ // Updated: 03 May 2010 M. Sitta
+ // Updated: 20 Jun 2010 A. Pulvirenti Optical patch panels
+ // Updated: 22 Jun 2010 M. Sitta Fiber cables
+ // Updated: 04 Jul 2010 M. Sitta Water cooling
+ // Updated: 08 Jul 2010 A. Pulvirenti Air cooling on Side C
+ //
+
+ TGeoMedium *medInox = GetMedium("INOX$",mgr);
+ //TGeoMedium *medExt = GetMedium("SDDKAPTON (POLYCH2)$", mgr);
+ TGeoMedium *medExtB = GetMedium("SPD-BUS CU KAPTON$", mgr);
+ TGeoMedium *medExtM = GetMedium("SPD-MCM CU KAPTON$", mgr);
+ TGeoMedium *medPlate = GetMedium("SPD C (M55J)$", mgr);
+ TGeoMedium *medFreon = GetMedium("Freon$", mgr);
+ TGeoMedium *medGas = GetMedium("GASEOUS FREON$", mgr);
+ TGeoMedium *medFibs = GetMedium("SDD OPTICFIB$",mgr);
+ TGeoMedium *medCopper= GetMedium("COPPER$",mgr);
+ TGeoMedium *medPVC = GetMedium("PVC$",mgr);
+
+ Double_t extThickness = fgkmm * 0.25;
+ Double_t ext1Length = fgkmm * (26.7 - 10.0);
+// Double_t ext2Length = fgkmm * (285.0 - ext1Length + extThickness);
+ Double_t ext2Length = fgkmm * 285.0 - ext1Length + extThickness;
+
+ const Double_t kCableThickness = 1.5 *fgkmm;
+ Double_t cableL0 = 10.0 * fgkmm;
+ Double_t cableL1 = 340.0 * fgkmm - extThickness - ext1Length - ext2Length;
+ Double_t cableL2 = 300.0 * fgkmm;
+ //Double_t cableL3 = 570.0 * fgkmm;
+ Double_t cableL3 = 57.0 * fgkmm;
+ Double_t cableW1 = 11.0 * fgkmm;
+ Double_t cableW2 = 30.0 * fgkmm;
+ Double_t cableW3 = 50.0 * fgkmm;
+
+ const Double_t kMCMLength = cableL0 + cableL1 + cableL2 + cableL3;
+ const Double_t kMCMWidth = cableW1;
+ const Double_t kMCMThickness = 1.2 *fgkmm;
+
+ const Double_t kPlateLength = 200.0 *fgkmm;
+ const Double_t kPlateWidth = 50.0 *fgkmm;
+ const Double_t kPlateThickness = 5.0 *fgkmm;
+
+ const Double_t kConeTubeRmin = 2.0 *fgkmm;
+ const Double_t kConeTubeRmax = 3.0 *fgkmm;
+
+ const Double_t kHorizTubeLen = 150.0 *fgkmm;
+ const Double_t kYtoHalfStave = 9.5 *fgkmm;
+
+ const Double_t kWaterCoolRMax = 2.6 *fgkmm;
+ const Double_t kWaterCoolThick = 0.04 *fgkmm;
+ const Double_t kWaterCoolLen = 250.0 *fgkmm;
+ const Double_t kWCPlateThick = 0.5 *fgkmm;
+ const Double_t kWCPlateWide = 33.0 *fgkmm;
+ const Double_t kWCPlateLen = 230.0 *fgkmm;
+ const Double_t kWCFittingRext1 = 2.4 *fgkmm;
+ const Double_t kWCFittingRext2 = 3.7 *fgkmm;
+ const Double_t kWCFittingRint1 = 1.9 *fgkmm;
+ const Double_t kWCFittingRint2 = kWaterCoolRMax;
+ const Double_t kWCFittingLen1 = 7.0 *fgkmm;
+ const Double_t kWCFittingLen2 = 8.0 *fgkmm;
+
+ const Double_t kCollWidth = 40.0 *fgkmm;
+ const Double_t kCollLength = 60.0 *fgkmm;
+ const Double_t kCollThickness = 10.0 *fgkmm;
+ const Double_t kCollTubeThick = 1.0 *fgkmm;
+ const Double_t kCollTubeRadius = 7.0 *fgkmm;
+ const Double_t kCollTubeLength = 205.0 *fgkmm;
+
+ const Double_t kOptFibDiamet = 4.5 *fgkmm;
+
+ Double_t x[12], y[12];
+ Double_t xloc, yloc, zloc;
+
+ Int_t kPurple = 6; // Purple (Root does not define it)
+
+ TGeoVolumeAssembly* container[5];
+ if (sideC)
+ container[0] = new TGeoVolumeAssembly("ITSSPDConeModuleC");
+ else
+ container[0] = new TGeoVolumeAssembly("ITSSPDConeModuleA");
+ container[1] = new TGeoVolumeAssembly("ITSSPDCoolingModuleSideA");
+ container[2] = new TGeoVolumeAssembly("ITSSPDCoolingModuleSideC");
+ container[3] = new TGeoVolumeAssembly("ITSSPDPatchPanelModule");
+ container[4] = new TGeoVolumeAssembly("ITSSPDWaterCooling");
+
+ // The extender on the cone as a Xtru
+ x[0] = -cableL0;
+ y[0] = 0.0 + 0.5 * cableW1;
+
+ x[1] = x[0] + cableL0 + cableL1 - 0.5*(cableW2 - cableW1);
+ y[1] = y[0];
+
+ x[2] = x[0] + cableL0 + cableL1;
+ y[2] = y[1] + 0.5*(cableW2 - cableW1);
+
+ x[3] = x[2] + cableL2;
+ y[3] = y[2];
+
+ x[4] = x[3] + 0.5*(cableW3 - cableW2);
+ y[4] = y[3] + 0.5*(cableW3 - cableW2);
+
+ x[5] = x[4] + cableL3 - 0.5*(cableW3 - cableW2);
+ y[5] = y[4];
+
+ for (Int_t i = 6; i < 12; i++) {
+ x[i] = x[11 - i];
+ y[i] = -y[11 - i];
+ }
+
+ TGeoXtru *shCable = new TGeoXtru(2);
+ shCable->DefinePolygon(12, x, y);
+ shCable->DefineSection(0, 0.0);
+ shCable->DefineSection(1, kCableThickness);
+
+ TGeoVolume *volCable = new TGeoVolume("ITSSPDExtender", shCable, medExtB);
+ volCable->SetLineColor(kGreen);
+
+ // The MCM extender on the cone as a Xtru
+ TGeoBBox *shMCMExt = new TGeoBBox(0.5*kMCMLength,
+ 0.5*kMCMWidth,
+ 0.5*kMCMThickness);
+
+ TGeoVolume *volMCMExt = new TGeoVolume("ITSSPDExtenderMCM",
+ shMCMExt, medExtM);
+ volMCMExt->SetLineColor(kGreen+3);
+
+ // The support plate on the cone as a composite shape
+ Double_t thickness = kCableThickness + kMCMThickness;
+ TGeoBBox *shOut = new TGeoBBox("ITSSPD_shape_plateout",
+ 0.5*kPlateLength,
+ 0.5*kPlateWidth,
+ 0.5*kPlateThickness);
+ TGeoBBox *shIn = new TGeoBBox("ITSSPD_shape_platein" ,
+ 0.5*kPlateLength,
+ 0.5*cableW2,
+ 0.5*thickness);
+ Char_t string[255];
+ snprintf(string, 255, "%s-%s", shOut->GetName(), shIn->GetName());
+ TGeoCompositeShape *shPlate = new TGeoCompositeShape("ITSSPDPlate_shape",
+ string);
+
+ TGeoVolume *volPlate = new TGeoVolume("ITSSPDPlate",
+ shPlate, medPlate);
+ volPlate->SetLineColor(kRed);
+
+ // The air cooling tubes
+ TGeoBBox *shCollBox = new TGeoBBox("ITSSPD_shape_collector_box", 0.5*kCollLength, 0.5*kCollWidth, 0.5*kCollThickness);
+ TGeoTube *shCollTube = new TGeoTube("ITSSPD_shape_collector_tube",kCollTubeRadius - kCollTubeThick, kCollTubeRadius, 0.5*kCollTubeLength);
+ TGeoVolume *volCollBox = new TGeoVolume("ITSSPDCollectorBox", shCollBox, medPVC);
+ TGeoVolume *volCollTube = new TGeoVolume("ITSSPDCollectorTube", shCollTube, medPVC);
+ volCollBox->SetLineColor(kAzure);
+ volCollTube->SetLineColor(kAzure);
+
+ // The cooling tube on the cone as a Ctub
+ Double_t tubeLength = shCable->GetX(5) - shCable->GetX(0) + kYtoHalfStave -0.85;
+ TGeoCtub *shTube = new TGeoCtub(0, kConeTubeRmax, 0.5*tubeLength, 0, 360,
+ 0, SinD(angrot/2), -CosD(angrot/2),
+ 0, 0, 1);
+
+ TGeoVolume *volTubeA = new TGeoVolume("ITSSPDCoolingTubeOnConeA",
+ shTube, medInox);
+ volTubeA->SetLineColor(kGray);
+
+ TGeoVolume *volTubeC = new TGeoVolume("ITSSPDCoolingTubeOnConeC",
+ shTube, medInox);
+ volTubeC->SetLineColor(kGray);
+
+ // The freon in the cooling tubes on the cone as a Ctub
+ TGeoCtub *shFreon = new TGeoCtub(0, kConeTubeRmin, 0.5*tubeLength, 0, 360,
+ 0, SinD(angrot/2), -CosD(angrot/2),
+ 0, 0, 1);
+
+ TGeoVolume *volFreon = new TGeoVolume("ITSSPDCoolingFreonOnCone",
+ shFreon, medFreon);
+ volFreon->SetLineColor(kPurple);
+
+ TGeoVolume *volGasFr = new TGeoVolume("ITSSPDCoolingFreonGasOnCone",
+ shFreon, medGas);
+ volGasFr->SetLineColor(kPurple);
+
+ // The cooling tube inside the cylinder as a Ctub
+ TGeoCtub *shCylTub = new TGeoCtub(0, kConeTubeRmax,
+ 0.5*kHorizTubeLen, 0, 360,
+ 0, 0, -1,
+ 0, SinD(angrot/2), CosD(angrot/2));
+
+ TGeoVolume *volCylTubA = new TGeoVolume("ITSSPDCoolingTubeOnCylA",
+ shCylTub, medInox);
+ volCylTubA->SetLineColor(kGray);
+
+ TGeoVolume *volCylTubC = new TGeoVolume("ITSSPDCoolingTubeOnCylC",
+ shCylTub, medInox);
+ volCylTubC->SetLineColor(kGray);
+
+ // The freon in the cooling tubes in the cylinder as a Ctub
+ TGeoCtub *shCylFr = new TGeoCtub(0, kConeTubeRmin,
+ 0.5*kHorizTubeLen, 0, 360,
+ 0, 0, -1,
+ 0, SinD(angrot/2), CosD(angrot/2));
+
+ TGeoVolume *volCylFr = new TGeoVolume("ITSSPDCoolingFreonOnCyl",
+ shCylFr, medFreon);
+ volCylFr->SetLineColor(kPurple);
+
+ TGeoVolume *volCylGasFr = new TGeoVolume("ITSSPDCoolingFreonGasOnCyl",
+ shCylFr, medGas);
+ volCylGasFr->SetLineColor(kPurple);
+
+ // The optical fibers bundle on the cone as a Tube
+ Double_t optLength = shCable->GetX(5) - shCable->GetX(0) + kYtoHalfStave -0.85;
+ TGeoTube *shOptFibs = new TGeoTube(0., 0.5*kOptFibDiamet, 0.5*optLength);
+
+ TGeoVolume *volOptFibs = new TGeoVolume("ITSSPDOpticalFibersOnCone",
+ shOptFibs, medFibs);
+ volOptFibs->SetLineColor(kOrange);
+
+ // The optical patch panels
+ TArrayD psizes;
+ TGeoVolume *volPatch = CreatePatchPanel(psizes, mgr);
+
+ // The water cooling tube as a Tube
+ TGeoTube *shWatCool = new TGeoTube(kWaterCoolRMax-kWaterCoolThick,
+ kWaterCoolRMax, kWaterCoolLen/2);
+
+ TGeoVolume *volWatCool = new TGeoVolume("ITSSPDWaterCoolingOnCone",
+ shWatCool, medInox);
+ volWatCool->SetLineColor(kGray);
+
+ // The support plate for the water tubes: a Tubs and a BBox
+ TGeoTubeSeg *shWCPltT = new TGeoTubeSeg(kWaterCoolRMax,
+ kWaterCoolRMax+kWCPlateThick,
+ kWCPlateLen/2, 180., 360.);
+
+ Double_t plateBoxWide = (kWCPlateWide - 2*kWaterCoolRMax)/2;
+ TGeoBBox *shWCPltB = new TGeoBBox(plateBoxWide/2,
+ kWCPlateThick/2,
+ kWCPlateLen/2);
+
+ TGeoVolume *volWCPltT = new TGeoVolume("ITSSPDWaterCoolingTubsPlate",
+ shWCPltT, medPlate);
+ volWCPltT->SetLineColor(kRed);
+
+ TGeoVolume *volWCPltB = new TGeoVolume("ITSSPDWaterCoolingBoxPlate",
+ shWCPltB, medPlate);
+ volWCPltB->SetLineColor(kRed);
+
+ // The fitting for the water cooling tube: a Pcon
+ TGeoPcon *shFitt = new TGeoPcon(0., 360., 4);
+ shFitt->Z(0) = -kWCFittingLen1;
+ shFitt->Rmin(0) = kWCFittingRint1;
+ shFitt->Rmax(0) = kWCFittingRext1;
+
+ shFitt->Z(1) = 0;
+ shFitt->Rmin(1) = kWCFittingRint1;
+ shFitt->Rmax(1) = kWCFittingRext1;
+
+ shFitt->Z(2) = 0;
+ shFitt->Rmin(2) = kWCFittingRint2;
+ shFitt->Rmax(2) = kWCFittingRext2;
+
+ shFitt->Z(3) = kWCFittingLen2;
+ shFitt->Rmin(3) = kWCFittingRint2;
+ shFitt->Rmax(3) = kWCFittingRext2;
+
+ TGeoVolume *volFitt = new TGeoVolume("ITSSPDWaterCoolingFitting",
+ shFitt, medCopper);
+ volFitt->SetLineColor(kOrange);
+
+ // Now place everything in the containers
+ volTubeA->AddNode(volGasFr, 1, 0);
+ volTubeC->AddNode(volFreon, 1, 0);
+
+ volCylTubA->AddNode(volCylGasFr, 1, 0);
+ volCylTubC->AddNode(volCylFr , 1, 0);
+
+ container[0]->AddNode(volCable, 1, 0);
+
+ xloc = shMCMExt->GetDX() - cableL0;
+ zloc = shMCMExt->GetDZ();
+ container[0]->AddNode(volMCMExt, 1,
+ new TGeoTranslation( xloc, 0.,-zloc));
+
+ xloc = shMCMExt->GetDX();
+ zloc = shCable->GetZ(1)/2 - shMCMExt->GetDZ();
+ container[0]->AddNode(volPlate, 1,
+ new TGeoTranslation( xloc, 0., zloc));
+
+ TGeoRotation *rot2 = new TGeoRotation(*gGeoIdentity);
+ rot2->SetName("rotPatch");
+ rot2->RotateX(90.0);
+ rot2->RotateY(163.0);
+ //rot2->RotateZ(132.5);
+
+ // add collectors only on side C
+ if (sideC)
+ {
+ TGeoTranslation *trCollBox = new TGeoTranslation(xloc - 0.5*kPlateLength + 0.5*kCollLength, 0.0, +0.5*(kPlateThickness+1.1*kCollThickness));
+ TGeoRotation *rotCollTube = new TGeoRotation(*gGeoIdentity);
+ rotCollTube->RotateY(90.0);
+ TGeoCombiTrans *trCollTube = new TGeoCombiTrans(xloc + 0.5*kCollTubeLength - (0.5*kPlateLength - kCollLength), 0.0, +0.5*(kPlateThickness+2.0*kCollTubeRadius+kCollTubeThick), rotCollTube);
+ container[0]->AddNode(volCollBox, 1, trCollBox);
+ container[0]->AddNode(volCollTube, 1, trCollTube);
+ }
+
+ Double_t dxPatch = 2.75;
+ Double_t dzPatch = 2.8;
+ TGeoCombiTrans *tr2 = new TGeoCombiTrans(1.7*ext2Length - dxPatch, 0.0, dzPatch, rot2);
+ container[3]->AddNode(volPatch, 0, tr2);
+
+ xloc = shTube->GetRmax();
+ yloc = shTube->GetRmax();
+ zloc = shTube->GetDz() - shTube->GetRmax() - kYtoHalfStave;
+ container[1]->AddNode(volTubeA, 1,
+ new TGeoTranslation(-xloc, -yloc, zloc));
+ container[2]->AddNode(volTubeC, 1,
+ new TGeoTranslation(-xloc, -yloc, zloc));
+
+ xloc = shTube->GetRmax();
+ yloc = (shCylTub->GetDz())*SinD(angrot) - shTube->GetRmax();
+ zloc = (shCylTub->GetDz())*CosD(angrot) + shTube->GetRmax() +kYtoHalfStave;
+ container[1]->AddNode(volCylTubA, 1,
+ new TGeoCombiTrans(-xloc, yloc,-zloc,
+ new TGeoRotation("",0.,angrot,0.)));
+ container[2]->AddNode(volCylTubC, 1,
+ new TGeoCombiTrans(-xloc, yloc,-zloc,
+ new TGeoRotation("",0.,angrot,0.)));
+
+ xloc = shOptFibs->GetRmax() + 2*shTube->GetRmax();
+ yloc = 1.6*shOptFibs->GetRmax();
+ zloc = shOptFibs->GetDZ() - shTube->GetRmax() - kYtoHalfStave;
+ container[1]->AddNode(volOptFibs, 1,
+ new TGeoTranslation(-xloc, -yloc, zloc));
+ container[2]->AddNode(volOptFibs, 1,
+ new TGeoTranslation(-xloc, -yloc, zloc));
+
+ yloc = shWatCool->GetRmax();
+ zloc = (2*shTube->GetDz() - shTube->GetRmax() - kYtoHalfStave)/2;
+ container[4]->AddNode(volWatCool, 1,
+ new TGeoTranslation(0, -yloc, zloc));
+
+ container[4]->AddNode(volWCPltT, 1,
+ new TGeoTranslation(0, -yloc, zloc));
+
+ yloc -= shWCPltB->GetDY();
+ xloc = shWatCool->GetRmax() + shWCPltB->GetDX();
+ container[4]->AddNode(volWCPltB, 1,
+ new TGeoTranslation( xloc, -yloc, zloc));
+ container[4]->AddNode(volWCPltB, 2,
+ new TGeoTranslation(-xloc, -yloc, zloc));
+
+ yloc = shWatCool->GetRmax();
+ zloc -= shWatCool->GetDz();
+ container[4]->AddNode(volFitt, 1,
+ new TGeoTranslation(0, -yloc, zloc));
+
+ // Finally create the list of assemblies and return it to the caller
+ TList* conemodulelist = new TList();
+ conemodulelist->Add(container[0]);
+ conemodulelist->Add(container[1]);
+ conemodulelist->Add(container[2]);
+ conemodulelist->Add(container[3]);
+ conemodulelist->Add(container[4]);
+
+ return conemodulelist;
+}
+
+//______________________________________________________________________
+void AliITSv11GeometrySPD::CreateCones(TGeoVolume *moth) const
+{
+ //
+ // Places all services modules in the mother reference system
+ //
+ // Created: ?? ??? 2008 Alberto Pulvirenti
+ // Updated: 03 May 2010 Mario Sitta
+ // Updated: 04 Jul 2010 Mario Sitta Water cooling
+ //
+
+ const Int_t kNumberOfModules = 10;
+
+ const Double_t kInnerRadius = 80.775*fgkmm;
+ const Double_t kZTrans = 451.800*fgkmm;
+ const Double_t kAlphaRot = 46.500*fgkDegree;
+ const Double_t kAlphaSpaceCool = 9.200*fgkDegree;
+
+ TList* modulelistA = CreateConeModule(kFALSE, 90-kAlphaRot);
+ TList* modulelistC = CreateConeModule(kTRUE , 90-kAlphaRot);
+ TList* &modulelist = modulelistC;
+ TGeoVolumeAssembly* module, *moduleA, *moduleC;
+
+ Double_t xloc, yloc, zloc;
+
+ //Double_t angle[10] = {18., 54., 90., 126., 162., -18., -54., -90., -126., -162.};
+ // anglem for cone modules (cables and cooling tubes)
+ // anglep for pathc panels
+ Double_t anglem[10] = {18., 54., 90., 126., 162., 198., 234., 270., 306., 342.};
+ Double_t anglep[10] = {18., 62., 90., 115., 162., 198., 242., 270., 295., 342.};
+// Double_t angle1m[10] = {23., 53., 90., 127., 157., 203.0, 233.0, 270.0, 307.0, 337.0};
+// Double_t angle2m[10] = {18., 53., 90., 126., 162., 198.0, 233.0, 270.0, 309.0, 342.0};
+// Double_t angle1c[10] = {23., 53., 90., 124., 157., 203.0, 233.0, 270.0, 304.0, 337.0};
+// Double_t angle2c[10] = {18., 44., 90., 126., 162., 198.0, 223.0, 270.0, 309.0, 342.0};
+
+ // First add the cables
+ moduleA = (TGeoVolumeAssembly*)modulelistA->At(0);
+ moduleC = (TGeoVolumeAssembly*)modulelistC->At(0);
+ for (Int_t i = 0; i < kNumberOfModules; i++) {
+ TGeoRotation *rot1 = new TGeoRotation(*gGeoIdentity);
+ rot1->RotateY(-kAlphaRot);
+ rot1->RotateZ(anglem[i]);
+ xloc = kInnerRadius*CosD(anglem[i]);
+ yloc = kInnerRadius*SinD(anglem[i]);
+ zloc = kZTrans;
+ moth->AddNode(moduleA, 2*i+2,
+ new TGeoCombiTrans( xloc, yloc, zloc, rot1));
+
+ TGeoRotation *rot2 = new TGeoRotation(*gGeoIdentity);
+ rot2->RotateY(180.-kAlphaRot);
+ rot2->RotateZ(anglem[i]);
+ xloc = kInnerRadius*CosD(anglem[i]);
+ yloc = kInnerRadius*SinD(anglem[i]);
+ zloc = kZTrans;
+ moth->AddNode(moduleC, 2*i+1,
+ new TGeoCombiTrans(-xloc,-yloc,-zloc, rot2));
+ }
+
+ // Then the cooling tubes on Side A
+ module = (TGeoVolumeAssembly*)modulelist->At(1);
+ Double_t anglec;
+ for (Int_t i = 0; i < kNumberOfModules; i++) {
+ anglec = anglem[i] + kAlphaSpaceCool;
+ TGeoRotation *rot1 = new TGeoRotation(*gGeoIdentity);
+ rot1->RotateX(-90.0+kAlphaRot-0.04); // 0.04 fixes small overlap
+ rot1->RotateZ(-90.0+anglec);
+ xloc = kInnerRadius*CosD(anglec);
+ yloc = kInnerRadius*SinD(anglec);
+ zloc = kZTrans+0.162; // 0.162 fixes small overlap
+ moth->AddNode(module, 2*i+2,
+ new TGeoCombiTrans( xloc, yloc, zloc, rot1));
+ }
+
+ // And the cooling tubes on Side C
+ module = (TGeoVolumeAssembly*)modulelist->At(2);
+ for (Int_t i = 0; i < kNumberOfModules; i++) {
+ anglec = anglem[i] - kAlphaSpaceCool;
+ TGeoRotation *rot2 = new TGeoRotation(*gGeoIdentity);
+ rot2->RotateX(-90.0+kAlphaRot-0.04); // 0.04 fixes small overlap
+ rot2->RotateY(180.);
+ rot2->RotateZ(90.0+anglec);
+ xloc = kInnerRadius*CosD(anglec);
+ yloc = kInnerRadius*SinD(anglec);
+ zloc = kZTrans+0.162; // 0.162 fixes small overlap
+ moth->AddNode(module, 2*i+1,
+ new TGeoCombiTrans(-xloc,-yloc,-zloc, rot2));
+ }
+
+ // Then the water cooling tubes
+ module = (TGeoVolumeAssembly*)modulelist->At(4);
+ for (Int_t i = 1; i < kNumberOfModules; i++) { // i = 1,2,...,9
+ if (i != 5) { // There is no tube in this position
+ anglec = (anglem[i-1]+anglem[i])/2;
+ TGeoRotation *rot1 = new TGeoRotation(*gGeoIdentity);
+ rot1->RotateX(-90.0+kAlphaRot);
+ rot1->RotateZ(-90.0+anglec);
+ xloc = kInnerRadius*CosD(anglec);
+ yloc = kInnerRadius*SinD(anglec);
+ zloc = kZTrans;
+ moth->AddNode(module, 2*i+2,
+ new TGeoCombiTrans( xloc, yloc, zloc, rot1));
+
+ TGeoRotation *rot2 = new TGeoRotation(*gGeoIdentity);
+ rot2->RotateX(-90.0+kAlphaRot);
+ rot2->RotateY(180.);
+ rot2->RotateZ(90.0+anglec);
+ xloc = kInnerRadius*CosD(anglec);
+ yloc = kInnerRadius*SinD(anglec);
+ zloc = kZTrans;
+ moth->AddNode(module, 2*i+1,
+ new TGeoCombiTrans(-xloc,-yloc,-zloc, rot2));
+ }
+ }
+
+ // Finally the optical patch panels
+ module = (TGeoVolumeAssembly*)modulelist->At(3);
+ for (Int_t i = 0; i < kNumberOfModules; i++) {
+ TGeoRotation *rot1 = new TGeoRotation(*gGeoIdentity);
+ rot1->RotateY(-kAlphaRot);
+ rot1->RotateZ(anglep[i]);
+ xloc = kInnerRadius*CosD(anglep[i]);
+ yloc = kInnerRadius*SinD(anglep[i]);
+ zloc = kZTrans;
+ moth->AddNode(module, 2*i+2,
+ new TGeoCombiTrans( xloc, yloc, zloc, rot1));
+
+ TGeoRotation *rot2 = new TGeoRotation(*gGeoIdentity);
+ rot2->RotateY(180.-kAlphaRot);
+ rot2->RotateZ(anglep[i]);
+ xloc = kInnerRadius*CosD(anglep[i]);
+ yloc = kInnerRadius*SinD(anglep[i]);
+ zloc = kZTrans;
+ moth->AddNode(module, 2*i+1,
+ new TGeoCombiTrans(-xloc,-yloc,-zloc, rot2));
+ }
+
+}
+
+
+//______________________________________________________________________
+void AliITSv11GeometrySPD::CreateServices(TGeoVolume *moth) const
+{
+ //
+ // New method to implement SPD services
+ //
+ // Created: 25 Jul 2012 Mario Sitta
+ // Updated: 15 Nov 2012 Mario Sitta
+ //
+ // Data provided by C.Gargiulo from CAD
+
+ // Cooling manifolds
+ const Double_t kCoolManifWidth = fgkmm * 22.0;
+ const Double_t kCoolManifLength = fgkmm * 50.0;
+ const Double_t kCoolManifThick = fgkmm * 7.0;
+ const Double_t kCoolManifFitR1out = fgkmm * 4.0;
+ const Double_t kCoolManifFitH1 = fgkmm * 2.5;
+ const Double_t kCoolManifFitR2out = fgkmm * 4.0;
+ const Double_t kCoolManifFitR2in = fgkmm * 3.2;
+ const Double_t kCoolManifFitH2 = fgkmm * 7.0;
+ const Double_t kCoolManifFitZPos = fgkmm * 2.0; // TO BE CHECKED!
+ const Double_t kCoolManifCollR1 = fgkmm * 3.0;
+ const Double_t kCoolManifCollH1 = fgkmm * 2.5;
+ const Double_t kCoolManifCollR2 = fgkmm * 1.5;
+ const Double_t kCoolManifCollH2 = fgkmm * 5.0;
+ const Double_t kCoolManifCollXPos = fgkmm * 5.0;
+ const Double_t kCoolManifCollDZ = fgkmm * 13.0;
+ const Double_t kCoolManifCollZ0 = fgkmm * 9.0;
+
+ const Double_t kCoolManifRPosCAD = fgkmm * 76.2;
+ const Double_t kCoolManifZPos = fgkcm * 33.97;// 34.0 - 0.03 toll.
+ // Manifold supports
+ const Double_t kManifSuppWidth = fgkmm * 24.0; // TO BE CHECKED!
+ const Double_t kManifSuppLen1 = fgkmm * 17.9;
+ const Double_t kManifSuppLen2 = fgkmm * 54.2;
+ const Double_t kManifSuppLen3 = fgkmm * 7.9;
+ const Double_t kManifSuppThick = fgkmm * 1.5;
+ const Double_t kSuppScrewXPos = fgkmm * 4.0;
+ const Double_t kSuppScrewZPos = fgkmm * 3.0;
+ const Double_t kRThermalShield = fgkcm * 9.9255; // MUST match with GeometrySupport
+ // Sector supports
+ const Double_t kSectSuppWidth = fgkmm * 15.0;
+ const Double_t kSectSuppLen1 = fgkmm * 16.9; // TO BE CHECKED!
+ const Double_t kSectSuppLen2 = fgkmm * 35.1; // TO BE CHECKED!
+ const Double_t kSectSuppThick = fgkmm * 1.5;
+ const Double_t kSectSuppDepth = fgkmm * 17.78; // MUST match with GeometrySupport
+ const Double_t kSectScrewZPos = fgkmm * 5.1; // TO BE CHECKED!
+
+ const Double_t kSectSuppZPos = fgkcm * 26.5;
+ // Sector clips
+ const Double_t kSectClipLength = fgkmm * 30.0;
+ const Double_t kSectClipWidth = fgkmm * 28.53;
+ const Double_t kSectClipThick1 = fgkmm * 2.0;
+ const Double_t kSectClipThick2 = fgkmm * 0.715;
+ const Double_t kSectClipInStave = fgkmm * 11.0; // Tuned
+ const Double_t kSectClipAngle = 29.0; // Degree. Tuned
+ // M3 screws
+ const Double_t kScrewM3Diam = fgkmm * 3.0;
+ const Double_t kScrewM3HeadThick = fgkmm * 2.0;
+ const Double_t kScrewM3HeadRmin = fgkmm * 1.5;
+ const Double_t kScrewM3HeadRmax = fgkmm * 2.5;
+ const Double_t kScrewM3OutManifH = fgkmm * 1.5;
+ // Central set pin (in sector support)
+ const Double_t kSetPinDiam = fgkmm * 6.0;
+ const Double_t kSetPinHeadDiam = fgkmm * 8.0;
+ const Double_t kSetPinHeadRmin = fgkmm * 1.5;
+ const Double_t kSetPinHeadThick = fgkmm * 1.5;
+ const Double_t kSetPinOutClipH = fgkmm * 1.0;
+
+ // Local variables
+ Double_t xprof[12], yprof[12];
+ Double_t radius, theta;
+ Double_t xpos, ypos, zpos;
+ Double_t tmp;
+
+
+ // The cooling manifold: an Assembly
+ TGeoVolumeAssembly *coolmanifA = new TGeoVolumeAssembly("ITSSPDCoolManifSideA");
+ TGeoVolumeAssembly *coolmanifC = new TGeoVolumeAssembly("ITSSPDCoolManifSideC");
+
+ // The various parts of the manifold
+ TGeoBBox *manifblksh = new TGeoBBox(kCoolManifWidth/2,
+ kCoolManifThick/2,
+ kCoolManifLength/2);
+
+ TGeoBBox *manifinscubesh = new TGeoBBox(kCoolManifFitR2out,
+ kCoolManifFitR2out,
+ kCoolManifFitR2out);
+
+ TGeoTube *manifinscyl1sh = new TGeoTube(0, // TO BE CHECKED!
+ kCoolManifFitR1out,
+ kCoolManifFitH1/2);
+
+ TGeoTube *manifinscyl2sh = new TGeoTube(kCoolManifFitR2in,
+ kCoolManifFitR2out,
+ kCoolManifFitH2/2);
+
+ TGeoTube *manifcollcyl1sh = new TGeoTube(0,
+ kCoolManifCollR1,
+ kCoolManifCollH1/2);
+
+ TGeoTube *manifcollcyl2sh = new TGeoTube(0,
+ kCoolManifCollR2,
+ kCoolManifCollH2/2);
+
+ // The cooling manifold supports
+ const Double_t kCoolManifRPos = kCoolManifRPosCAD +
+ (manifinscubesh->GetDY() +
+ 2*manifinscyl1sh->GetDz() +
+ manifblksh->GetDY() );
+
+ const Double_t kManifSuppDepth = kRThermalShield -
+ (kCoolManifRPos + manifblksh->GetDY());
+
+ TGeoXtru *suppmanifsh = new TGeoXtru(2);
+
+ xprof[ 0] = kManifSuppLen2/2 + kManifSuppThick;
+ yprof[ 0] = 0;
+ xprof[ 1] = xprof[0];
+ yprof[ 1] = kManifSuppDepth;
+ xprof[ 2] = kManifSuppLen2/2 + kManifSuppLen3;
+ yprof[ 2] = yprof[1];
+ xprof[ 3] = xprof[2];
+ yprof[ 3] = yprof[2] + kManifSuppThick;
+ xprof[ 4] = kManifSuppLen2/2;
+ yprof[ 4] = yprof[3];
+ xprof[ 5] = xprof[4];
+ yprof[ 5] = kManifSuppThick;
+ xprof[ 6] = -xprof[5];
+ yprof[ 6] = yprof[5];
+ xprof[ 7] = -xprof[4];
+ yprof[ 7] = yprof[4];
+ xprof[ 8] = -(kManifSuppLen2/2 + kManifSuppLen1);
+ yprof[ 8] = yprof[3];
+ xprof[ 9] = xprof[8];
+ yprof[ 9] = yprof[2];
+ xprof[10] = -xprof[1];
+ yprof[10] = yprof[1];
+ xprof[11] = -xprof[0];
+ yprof[11] = yprof[0];
+
+ suppmanifsh->DefinePolygon(12,xprof,yprof);
+ suppmanifsh->DefineSection(0,-kManifSuppWidth/2);
+ suppmanifsh->DefineSection(1, kManifSuppWidth/2);
+
+ // The screw head and body
+ TGeoTube *suppscrewbodysh = new TGeoTube(0, kScrewM3Diam/2,
+ kManifSuppThick/2);
+
+ TGeoPcon *suppscrewheadsh = new TGeoPcon(0, 360, 4);
+ suppscrewheadsh->DefineSection(0,-kScrewM3HeadThick/2,0, kScrewM3HeadRmax);
+ suppscrewheadsh->DefineSection(1, 0, 0, kScrewM3HeadRmax);
+ suppscrewheadsh->DefineSection(2, 0, kScrewM3HeadRmin, kScrewM3HeadRmax);
+ suppscrewheadsh->DefineSection(3, kScrewM3HeadThick/2,
+ kScrewM3HeadRmin, kScrewM3HeadRmax);
+
+ TGeoTube *clipscrewbodysh = new TGeoTube(0, kScrewM3Diam/2,
+ kSectClipThick1/2);
+
+ // The screw segment below the manifold and the sector clip
+ TGeoTube *screwoutmanifsh = new TGeoTube(0, kScrewM3Diam/2,
+ kScrewM3OutManifH/2);
+
+ // The sector supports
+ TGeoXtru *suppsectsh = new TGeoXtru(2);
+
+ xprof[ 0] = kSectSuppLen2/2 + kSectSuppThick;
+ yprof[ 0] = 0;
+ xprof[ 1] = xprof[0];
+ yprof[ 1] = kSectSuppDepth;
+ xprof[ 2] = kSectSuppLen2/2 + kSectSuppLen1;
+ yprof[ 2] = yprof[1];
+ xprof[ 3] = xprof[2];
+ yprof[ 3] = yprof[2] + kSectSuppThick;
+ xprof[ 4] = kSectSuppLen2/2;
+ yprof[ 4] = yprof[3];
+ xprof[ 5] = xprof[4];
+ yprof[ 5] = kSectSuppThick;
+ xprof[ 6] = -xprof[5];
+ yprof[ 6] = yprof[5];
+ xprof[ 7] = -xprof[4];
+ yprof[ 7] = yprof[4];
+ xprof[ 8] = -xprof[3];
+ yprof[ 8] = yprof[3];
+ xprof[ 9] = -xprof[2];
+ yprof[ 9] = yprof[2];
+ xprof[10] = -xprof[1];
+ yprof[10] = yprof[1];
+ xprof[11] = -xprof[0];
+ yprof[11] = yprof[0];
+
+ suppsectsh->DefinePolygon(12,xprof,yprof);
+ suppsectsh->DefineSection(0,-kSectSuppWidth/2);
+ suppsectsh->DefineSection(1, kSectSuppWidth/2);
+
+ // The sector clips
+ TGeoXtru *sectclipsh = new TGeoXtru(2);
+
+ xprof[ 0] = kSectClipWidth/2;
+ yprof[ 0] = 0;
+ xprof[ 1] = -kSectClipWidth/2;
+ yprof[ 1] = yprof[0];
+ xprof[ 2] = xprof[1];
+ yprof[ 2] = -kSectClipThick1;
+ xprof[ 3] = kSectClipWidth/2 - kSectClipThick2;
+ yprof[ 3] = yprof[2];
+ xprof[ 4] = xprof[3] + kSectClipInStave*SinD(kSectClipAngle);
+ yprof[ 4] = -kSectClipInStave*CosD(kSectClipAngle);
+ xprof[ 5] = xprof[4] + kSectClipThick2*CosD(kSectClipAngle);
+ yprof[ 5] = yprof[4] + kSectClipThick2*SinD(kSectClipAngle);
+
+ sectclipsh->DefinePolygon(6,xprof,yprof);
+ sectclipsh->DefineSection(0,-kSectClipLength/2);
+ sectclipsh->DefineSection(1, kSectClipLength/2);
+
+ // The central set pin head and body
+ TGeoTube *setpinbodysh = new TGeoTube(0, kSetPinDiam/2,
+ kSectSuppThick/2);
+
+ TGeoTube *setpinheadsh = new TGeoTube(kSetPinHeadRmin, kSetPinHeadDiam/2,
+ kSetPinHeadThick/2);
+
+ TGeoTube *pinclipbodysh = new TGeoTube(0, kSetPinDiam/2,
+ kSectClipThick1/2);
+
+ // The set pin segment below the sector clip
+ TGeoTube *setpinoutclipsh = new TGeoTube(0, kSetPinDiam/2,
+ kSetPinOutClipH/2);
+
+
+ // We have the shapes: now create the real volumes
+ TGeoMedium *medInox = GetMedium("INOX$");
+ TGeoMedium *medCu = GetMedium("COPPER$");
+ TGeoMedium *medSPDcf = GetMedium("SPD shield$");
+
+ TGeoVolume *manifblk = new TGeoVolume("ITSSPDBlkManif",
+ manifblksh,medInox);
+ manifblk->SetLineColor(kGreen+2);
+
+ TGeoVolume *manifinscube = new TGeoVolume("ITSSPDInsCubeManif",
+ manifinscubesh,medCu);
+ manifinscube->SetLineColor(kYellow);
+
+ TGeoVolume *manifinscyl1 = new TGeoVolume("ITSSPDInsCyl1Manif",
+ manifinscyl1sh,medCu);
+ manifinscyl1->SetLineColor(kYellow);
+
+ TGeoVolume *manifinscyl2 = new TGeoVolume("ITSSPDInsCyl2Manif",
+ manifinscyl2sh,medCu);
+ manifinscyl2->SetLineColor(kYellow);
+
+ TGeoVolume *manifcollcyl1 = new TGeoVolume("ITSSPDCollCyl1Manif",
+ manifcollcyl1sh,medCu);
+ manifcollcyl1->SetLineColor(kYellow);
+
+ TGeoVolume *manifcollcyl2 = new TGeoVolume("ITSSPDCollCyl2Manif",
+ manifcollcyl2sh,medCu);
+ manifcollcyl2->SetLineColor(kYellow);
+
+ TGeoVolume *suppmanif = new TGeoVolume("ITSSPDCoolManifSupp",
+ suppmanifsh,medSPDcf);
+ suppmanif->SetLineColor(7);
+
+ TGeoVolume *suppscrewbody = new TGeoVolume("ITSSPDSuppScrewBody",
+ suppscrewbodysh,medInox);
+ suppscrewbody->SetLineColor(kGray);
+
+ xpos = kCoolManifLength/2 - kSuppScrewZPos;
+ ypos = suppscrewbodysh->GetDz();
+ zpos = kCoolManifWidth/2 - kSuppScrewXPos;
+ suppmanif->AddNode(suppscrewbody, 1, new TGeoCombiTrans( xpos, ypos, zpos,
+ new TGeoRotation("",0,90,0)));
+ suppmanif->AddNode(suppscrewbody, 2, new TGeoCombiTrans( xpos, ypos,-zpos,
+ new TGeoRotation("",0,90,0)));
+ suppmanif->AddNode(suppscrewbody, 3, new TGeoCombiTrans(-xpos, ypos, zpos,
+ new TGeoRotation("",0,90,0)));
+ suppmanif->AddNode(suppscrewbody, 4, new TGeoCombiTrans(-xpos, ypos,-zpos,
+ new TGeoRotation("",0,90,0)));
+
+ TGeoVolume *suppscrewhead = new TGeoVolume("ITSSPDSuppScrewHead",
+ suppscrewheadsh,medInox);
+ suppscrewhead->SetLineColor(kGray);
+
+ TGeoVolume *screwoutmanif = new TGeoVolume("ITSSPDSuppScrewOutManif",
+ screwoutmanifsh,medInox);
+ screwoutmanif->SetLineColor(kGray);
+
+ TGeoVolume *suppsect = new TGeoVolume("ITSSPDCoolSectorSupp",
+ suppsectsh,medSPDcf);
+ suppsect->SetLineColor(7);
+
+ xpos = kSectSuppLen2/2 - kSectScrewZPos;
+ ypos = suppscrewbodysh->GetDz();
+ suppsect->AddNode(suppscrewbody, 1, new TGeoCombiTrans( xpos, ypos, 0,
+ new TGeoRotation("",0,90,0)));
+ suppsect->AddNode(suppscrewbody, 2, new TGeoCombiTrans(-xpos, ypos, 0,
+ new TGeoRotation("",0,90,0)));
+
+ TGeoVolume *setpinbody = new TGeoVolume("ITSSPDSetPinBody",
+ setpinbodysh,medInox);
+ setpinbody->SetLineColor(kGray);
+
+ ypos = setpinbodysh->GetDz();
+ suppsect->AddNode(setpinbody, 1, new TGeoCombiTrans( 0, ypos, 0,
+ new TGeoRotation("",0,90,0)));
+
+ TGeoVolume *setpinhead = new TGeoVolume("ITSSPDSetPinHead",
+ setpinheadsh,medInox);
+ setpinhead->SetLineColor(kGray);
+
+ TGeoVolume *sectclip = new TGeoVolume("ITSSPDCoolSectorClip",
+ sectclipsh,medSPDcf);
+ sectclip->SetLineColor(7);
+
+ TGeoVolume *clipscrewbody = new TGeoVolume("ITSSPDClipScrewBody",
+ clipscrewbodysh,medInox);
+ clipscrewbody->SetLineColor(kGray);
+
+ ypos = -clipscrewbodysh->GetDz();
+ zpos = kSectSuppLen2/2 - kSectScrewZPos;
+ sectclip->AddNode(clipscrewbody, 1, new TGeoCombiTrans( 0, ypos, zpos,
+ new TGeoRotation("",0,90,0)));
+ sectclip->AddNode(clipscrewbody, 2, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,90,0)));
+
+ TGeoVolume *pinclipbody = new TGeoVolume("ITSSPDClipPinBody",
+ pinclipbodysh,medInox);
+ pinclipbody->SetLineColor(kGray);
+
+ ypos = -pinclipbodysh->GetDz();
+ sectclip->AddNode(pinclipbody, 1, new TGeoCombiTrans( 0, ypos, 0,
+ new TGeoRotation("",0,90,0)));
+
+ TGeoVolume *setpinoutclip = new TGeoVolume("ITSSPDSetPinOutClip",
+ setpinoutclipsh,medInox);
+ setpinoutclip->SetLineColor(kGray);
+
+
+ // Add all volumes in the assemblies
+ coolmanifA->AddNode(manifblk,1,0);
+ coolmanifC->AddNode(manifblk,1,0);
+
+ ypos = manifblksh->GetDY() + manifinscyl1sh->GetDz();
+ zpos = manifblksh->GetDZ() - manifinscyl1sh->GetRmax() - kCoolManifFitZPos;
+ coolmanifA->AddNode(manifinscyl1, 1, new TGeoCombiTrans(0, -ypos, zpos,
+ new TGeoRotation("",0,90,0)));
+ coolmanifC->AddNode(manifinscyl1, 1, new TGeoCombiTrans(0, -ypos, zpos,
+ new TGeoRotation("",0,90,0)));
+
+ ypos += (manifinscyl1sh->GetDz() + manifinscubesh->GetDY());
+ coolmanifA->AddNode(manifinscube, 1, new TGeoTranslation(0, -ypos, zpos));
+ coolmanifC->AddNode(manifinscube, 1, new TGeoTranslation(0, -ypos, zpos));
+
+ zpos += (manifinscubesh->GetDZ() + manifinscyl2sh->GetDz());
+ coolmanifA->AddNode(manifinscyl2, 1, new TGeoTranslation(0, -ypos, zpos));
+ coolmanifC->AddNode(manifinscyl2, 1, new TGeoTranslation(0, -ypos, zpos));
+
+ ypos = manifblksh->GetDY();
+ coolmanifA->AddNode(suppmanif, 1, new TGeoCombiTrans(0, ypos, 0,
+ new TGeoRotation("",-90,90,90)));
+ coolmanifC->AddNode(suppmanif, 1, new TGeoCombiTrans(0, ypos, 0,
+ new TGeoRotation("",-90,90,90)));
+
+ ypos += (kManifSuppThick + kScrewM3HeadThick/2);
+ xpos = kCoolManifWidth/2 - kSuppScrewXPos;
+ zpos = kCoolManifLength/2 - kSuppScrewZPos;
+ coolmanifA->AddNode(suppscrewhead, 1, new TGeoCombiTrans( xpos, ypos, zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(suppscrewhead, 1, new TGeoCombiTrans( xpos, ypos, zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifA->AddNode(suppscrewhead, 2, new TGeoCombiTrans( xpos, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(suppscrewhead, 2, new TGeoCombiTrans( xpos, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifA->AddNode(suppscrewhead, 3, new TGeoCombiTrans(-xpos, ypos, zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(suppscrewhead, 3, new TGeoCombiTrans(-xpos, ypos, zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifA->AddNode(suppscrewhead, 4, new TGeoCombiTrans(-xpos, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(suppscrewhead, 4, new TGeoCombiTrans(-xpos, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+
+ ypos = manifblksh->GetDY() + screwoutmanifsh->GetDz();
+ coolmanifA->AddNode(screwoutmanif, 1, new TGeoCombiTrans( xpos,-ypos, zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(screwoutmanif, 1, new TGeoCombiTrans( xpos,-ypos, zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifA->AddNode(screwoutmanif, 2, new TGeoCombiTrans( xpos,-ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(screwoutmanif, 2, new TGeoCombiTrans( xpos,-ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifA->AddNode(screwoutmanif, 3, new TGeoCombiTrans(-xpos,-ypos, zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(screwoutmanif, 3, new TGeoCombiTrans(-xpos,-ypos, zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifA->AddNode(screwoutmanif, 4, new TGeoCombiTrans(-xpos,-ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(screwoutmanif, 4, new TGeoCombiTrans(-xpos,-ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+
+ ypos = manifblksh->GetDY() + suppmanifsh->GetY(1) - suppsectsh->GetY(1);
+ zpos = manifblksh->GetDZ() + (kCoolManifZPos - kSectSuppZPos);
+ coolmanifA->AddNode(suppsect, 1, new TGeoCombiTrans(0, ypos,-zpos,
+ new TGeoRotation("",-90,90,90)));
+ coolmanifC->AddNode(suppsect, 1, new TGeoCombiTrans(0, ypos,-zpos,
+ new TGeoRotation("",-90,90,90)));
+
+ tmp = ypos; // Save it to avoid recomputing
+
+ ypos += (kSectSuppThick + kScrewM3HeadThick/2);
+ zpos += (kSectSuppLen2/2 - kSectScrewZPos);
+ coolmanifA->AddNode(suppscrewhead, 5, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(suppscrewhead, 5, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ zpos -= 2*(kSectSuppLen2/2 - kSectScrewZPos);
+ coolmanifA->AddNode(suppscrewhead, 6, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(suppscrewhead, 6, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+
+ ypos = tmp + kSectSuppThick + kSetPinHeadThick/2;
+ zpos += (kSectSuppLen2/2 - kSectScrewZPos);
+ coolmanifA->AddNode(setpinhead, 1, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(setpinhead, 1, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+
+ ypos = tmp - 8.e-5; // Avoid microscopic overlap
+ tmp = ypos;
+ coolmanifA->AddNode(sectclip, 1, new TGeoTranslation( 0, ypos,-zpos));
+ coolmanifC->AddNode(sectclip, 1, new TGeoCombiTrans ( 0, ypos,-zpos,
+ new TGeoRotation("",-90,180,90)));
+
+ ypos -= (kSectClipThick1 + setpinoutclipsh->GetDz());
+ coolmanifA->AddNode(setpinoutclip, 1, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(setpinoutclip, 1, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+
+ ypos = tmp - (kSectClipThick1 + screwoutmanifsh->GetDz());
+ zpos += (kSectSuppLen2/2 - kSectScrewZPos);
+ coolmanifA->AddNode(screwoutmanif, 5, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(screwoutmanif, 5, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ zpos -= 2*(kSectSuppLen2/2 - kSectScrewZPos);
+ coolmanifA->AddNode(screwoutmanif, 6, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+ coolmanifC->AddNode(screwoutmanif, 6, new TGeoCombiTrans( 0, ypos,-zpos,
+ new TGeoRotation("",0,-90,0)));
+
+ xpos = manifblksh->GetDX() - kCoolManifCollXPos;
+ ypos = manifblksh->GetDY() + manifcollcyl1sh->GetDz();
+ zpos =-manifblksh->GetDZ() + kCoolManifCollZ0;
+ for (Int_t i=0; i<3; i++) {
+ coolmanifA->AddNode(manifcollcyl1, 2*i+1,
+ new TGeoCombiTrans( xpos, -ypos, zpos,
+ new TGeoRotation("",0,90,0)));
+ coolmanifA->AddNode(manifcollcyl1, 2*i+2,
+ new TGeoCombiTrans(-xpos, -ypos, zpos,
+ new TGeoRotation("",0,90,0)));
+ coolmanifC->AddNode(manifcollcyl1, 2*i+1,
+ new TGeoCombiTrans( xpos, -ypos, zpos,
+ new TGeoRotation("",0,90,0)));
+ coolmanifC->AddNode(manifcollcyl1, 2*i+2,
+ new TGeoCombiTrans(-xpos, -ypos, zpos,
+ new TGeoRotation("",0,90,0)));
+ Double_t y = ypos + manifcollcyl1sh->GetDz() + manifcollcyl2sh->GetDz();
+ coolmanifA->AddNode(manifcollcyl2, 2*i+1,
+ new TGeoCombiTrans( xpos, -y, zpos,
+ new TGeoRotation("",0,90,0)));
+ coolmanifA->AddNode(manifcollcyl2, 2*i+2,
+ new TGeoCombiTrans(-xpos, -y, zpos,
+ new TGeoRotation("",0,90,0)));
+ coolmanifC->AddNode(manifcollcyl2, 2*i+1,
+ new TGeoCombiTrans( xpos, -y, zpos,
+ new TGeoRotation("",0,90,0)));
+ coolmanifC->AddNode(manifcollcyl2, 2*i+2,
+ new TGeoCombiTrans(-xpos, -y, zpos,
+ new TGeoRotation("",0,90,0)));
+
+ zpos += kCoolManifCollDZ;
+ }
+
+ // Now add the cooling tubes to the assembly
+ CreateCoolingTubes(coolmanifA, kFALSE);
+ CreateCoolingTubes(coolmanifC, kTRUE);
+
+
+ // Finally put everything in the mother volume
+ radius = kCoolManifRPos + 1.e-5; // Avoid microscopic overlap
+ zpos = kCoolManifZPos + manifblksh->GetDZ();
+ for (Int_t i=0; i<10; i++) {
+ theta = 36.*i;
+ moth->AddNode(coolmanifA, i+1, new TGeoCombiTrans(radius*SinD(theta),
+ radius*CosD(theta),
+ zpos,
+ new TGeoRotation("",-theta,0,0)));
+ moth->AddNode(coolmanifC, i+1, new TGeoCombiTrans(radius*SinD(theta),
+ radius*CosD(theta),
+ -zpos,
+ new TGeoRotation("",90-theta,180,-90)));
+ }
+
+
+}
+
+
+//______________________________________________________________________
+void AliITSv11GeometrySPD::CreateCoolingTubes(TGeoVolume *moth, Bool_t sideC) const
+{
+ //
+ // Private method to implement SPD cooling tubes
+ // going from the manifolds to the staves
+ // Since their form is quite complicate (especially on Side C
+ // where capillaries are located) a separate method is used
+ // If sideC is true, the cooling tubes on Side C are created
+ // along with the cooling loops (aka "capillaries"), otherwise
+ // the (simpler) tubes on Side A get created.
+ //
+ // In all variables: L = Left (X > 0) R = Right (X < 0)
+ //
+ // Created: 10 Nov 2012 Mario Sitta
+ //
+ // Data provided by C.Gargiulo from CAD
+
+ // Cooling manifolds - THESE VALUES *MUST* MATCH WITH CALLING METHOD!
+ const Double_t kCoolManifWidth = fgkmm * 22.0;
+ const Double_t kCoolManifLength = fgkmm * 50.0;
+ const Double_t kCoolManifThick = fgkmm * 7.0;
+ const Double_t kCoolManifCollH1 = fgkmm * 2.5;
+ const Double_t kCoolManifCollH2 = fgkmm * 5.0;
+ // Cooling pipes
+ const Double_t kCoolPipeSideARin = fgkmm * 1.5;
+ const Double_t kCoolPipeSideARout = fgkmm * 1.8;
+ const Double_t kCoolPipeSideCRin = fgkmm * 0.5;
+ const Double_t kCoolPipeSideCRout = fgkmm * 0.85;
+ const Double_t kCoolPipeHeight = fgkmm * 1.923;
+ const Double_t kCoolPipeCRadiusL[3] = {11.0, 14.0, 31.34};// TO BE CHECKED!
+ const Double_t kCoolPipeCRadiusR[3] = {12.0, 14.0, 35.54};// TO BE CHECKED!
+ const Double_t kCoolPipeARadiusL12[2] = {14.0, 30.0};
+ const Double_t kCoolPipeARadiusR12[2] = {14.0, 30.0};
+ const Double_t kCoolPipeARadiusL34[2] = {22.0, 30.0};
+ const Double_t kCoolPipeARadiusR34[2] = {22.0, 30.0};
+ const Double_t kCoolPipeARadiusL[3]= {14.0, 14.0, 31.34}; // TO BE CHECKED!
+ const Double_t kCoolPipeARadiusR[3]= {14.0, 14.0, 35.54}; // TO BE CHECKED!
+ const Double_t kCoolPipeZSPD = fgkcm * 8.47;
+ // Cooling pipes position - THESE VALUES *MUST* MATCH WITH CALLING METHOD!
+ const Double_t kCoolManifCollXPos = fgkmm * 5.0;
+ const Double_t kCoolManifCollDZ = fgkmm * 13.0;
+ const Double_t kCoolManifCollZ0 = fgkmm * 9.0;
+
+ Int_t kPurple = 6; // Purple (Root does not define it)
+
+ // Local variables
+ Double_t xpos, ypos, zpos;
+ Char_t pipename[11];
+
+ //
+ TGeoMedium *medPhynox = GetMedium("PHYNOX$");
+ TGeoMedium *medFreon = GetMedium("Freon$");
+ TGeoMedium *medGasFr = GetMedium("GASEOUS FREON$");
+
+ // The cooling tubes are created as CableRound volumes
+ // because it's easier to compose them piece by piece
+ AliITSv11GeomCableRound *coolpipe[6];
+
+ if (sideC)
+ for (Int_t i = 0; i<6; i++) {
+ snprintf(pipename,11,"coolPipeC%d",i+1);
+ coolpipe[i] = new AliITSv11GeomCableRound(pipename,kCoolPipeSideCRout);
+ coolpipe[i]->SetNLayers(2);
+ coolpipe[i]->SetLayer(0, kCoolPipeSideCRin, medFreon, kPurple);
+ coolpipe[i]->SetLayer(1,(kCoolPipeSideCRout-kCoolPipeSideCRin),
+ medPhynox, kYellow);
+ }
+ else
+ for (Int_t i = 0; i<6; i++) {
+ snprintf(pipename,11,"coolPipeA%d",i+1);
+ coolpipe[i] = new AliITSv11GeomCableRound(pipename,kCoolPipeSideARout);
+ coolpipe[i]->SetNLayers(2);
+ coolpipe[i]->SetLayer(0, kCoolPipeSideARin, medGasFr, kPurple);
+ coolpipe[i]->SetLayer(1,(kCoolPipeSideARout-kCoolPipeSideARin),
+ medPhynox, kYellow);
+ }
+
+ // Now place them in the mother assembly
+ xpos = kCoolManifWidth/2 - kCoolManifCollXPos;
+ ypos = kCoolManifThick/2 + kCoolManifCollH1 + kCoolManifCollH2;
+ zpos =-kCoolManifLength/2 + kCoolManifCollZ0;
+
+ if (sideC) { // On Side C tubes are simpler and can be created in a loop
+
+ for (Int_t i=0; i<3; i++) {
+
+ Double_t coordL[3] = { xpos,-ypos,zpos};
+ Double_t coordR[3] = {-xpos,-ypos,zpos};
+ Double_t vect[3] = {0, 1, 0};
+ coolpipe[2*i]->AddCheckPoint(moth, 0, coordL, vect);
+ coolpipe[2*i+1]->AddCheckPoint(moth, 0, coordR, vect);
+ coordL[1] -= kCoolPipeHeight;
+ coordR[1] = coordL[1];
+ coolpipe[2*i]->AddCheckPoint(moth, 1, coordL, vect);
+ coolpipe[2*i+1]->AddCheckPoint(moth, 1, coordR, vect);
+ coordL[1] -= kCoolPipeCRadiusL[i]*fgkmm;
+ coordL[2] -= kCoolPipeCRadiusL[i]*fgkmm;
+ coordR[1] -= kCoolPipeCRadiusR[i]*fgkmm;
+ coordR[2] -= kCoolPipeCRadiusR[i]*fgkmm;
+ vect[1] = 0;
+ vect[2] = -1;
+ coolpipe[2*i]->AddCheckPoint(moth, 2, coordL, vect);
+ coolpipe[2*i+1]->AddCheckPoint(moth, 2, coordR, vect);
+ coordL[2] = -kCoolPipeZSPD;
+ coordR[2] = -kCoolPipeZSPD;
+ coolpipe[2*i]->AddCheckPoint(moth, 3, coordL, vect);
+ coolpipe[2*i+1]->AddCheckPoint(moth, 3, coordR, vect);
+
+ zpos += kCoolManifCollDZ;
+ }