#ifndef ALIITSV11GEOMETRYSPD_H
#define ALIITSV11GEOMETRYSPD_H
-/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * See cxx source for full Copyright notice */
/*
- $Id$
+ * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved.
+ * See cxx source for full Copyright notice.
*/
+
+ // Implementation of the SPD v11 central geometry.
+ // Contains also:
+ // - the materials/media used for its volumes;
+ // - settings for the related transport parameters
+ // (GEANT3 types for the moment).
+ //
+
+/*
+ * $Id$
+ */
+
+#include <TGeoManager.h>
+#include <TVirtualMC.h>
+#include <TString.h>
+#include <TArrayI.h>
+#include <TPolyLine.h>
+#include <TPolyMarker.h>
#include <AliITSv11Geometry.h>
+
class TGeoVolume;
+class TGeoCompositeShape;
-class AliITSv11GeometrySPD : public AliITSv11Geometry {
- public:
- AliITSv11GeometrySPD(){};
- AliITSv11GeometrySPD(Bool_t debug):AliITSv11Geometry(debug){};
- virtual ~AliITSv11GeometrySPD(){};
- //
- virtual void CarbonFiberSector(TGeoVolume *Moth);
- virtual void HalfStave(TGeoVolume *Moth);
+class AliITSv11GeometrySPD : public AliITSv11Geometry
+{
+ public:
+
+ // Default constructor
+ AliITSv11GeometrySPD(/*Double_t gap = 0.0075*/);
+ // Standard Constructor
+ AliITSv11GeometrySPD(Int_t debug/*, Double_t gap = 0.0075*/);
+ // Copy constructor
+ AliITSv11GeometrySPD(const AliITSv11GeometrySPD &s);
+ // Assignment operator
+ AliITSv11GeometrySPD& operator=(const AliITSv11GeometrySPD &s);
+ // Destructor
+ virtual ~AliITSv11GeometrySPD() {};
+
+ /* Settings */
+
+ // define/create materials
+ virtual Int_t CreateSPDCentralMaterials(Int_t &medOffset,
+ Int_t &matOffset) const;
+ /* Monitoring */
+
+ // creates standard figures for the documentation of this class
+ virtual void CreateFigure0(const Char_t *path = "",
+ const Char_t *type = "gif",
+ TGeoManager *mgr = gGeoManager) const;
+ // fill TPolylines with crossections of the SPD Carbon fiber sectors.
+ Bool_t Make2DCrossSections(TPolyLine &a0, TPolyLine &a1, TPolyLine &b0,
+ TPolyLine &b1, TPolyMarker &p) const;
+
+ /* Services */
+
+ // get names
+ virtual const char *GetSenstiveVolumeName1() const
+ {return "ITSSPDlay1-sensor";}
+ virtual const char *GetSenstiveVolumeName2() const
+ {return "ITSSPDlay2-sensor";}
+ virtual const char *GetSenstiveVolumeName(Int_t lay) const
+ {return (lay==1) ? GetSenstiveVolumeName1():GetSenstiveVolumeName2();}
+ // get medium
+ virtual TGeoMedium* GetMedium(const char* mediumName,
+ TGeoManager *mgr = gGeoManager) const;
+ // retrieve the mounting location and rotation needed to mount an SPD stave
+ virtual Bool_t GetSectorMountingPoints(Int_t index, Double_t &x0,
+ Double_t &y0, Double_t &x1, Double_t &y1) const;
+ // displace the staves on the carbon fiber sector
+ virtual void StavesInSector(TGeoVolume *moth,TGeoManager *mgr=gGeoManager);
+ // (debug purposes) define which staves to put in the sector
+ virtual void SetAddStave(Bool_t *mask);
+ // print class in ascii form to stream
+ virtual void PrintAscii(ostream *os) const;
+ // read in class in ascii form from stream
+ virtual void ReadAscii(istream *is);
+
+ /* Parts of the geometry */
+
+ // a single ladder (= 1 detector + 5 chips)
+ virtual TGeoVolume* CreateLadder(Int_t layer, TArrayD &sizes,
+ TGeoManager *mgr = gGeoManager) const;
+ // a clip on the central ladders
+ virtual TGeoVolume* CreateClip(TArrayD &sizes,Bool_t isDummy,
+ TGeoManager *mgr = gGeoManager) const;
+ // the grounding foil (splitted in many components)
+ //virtual TGeoVolumeAssembly* CreateGroundingFoilSingle(Int_t type,
+ // TArrayD &sizes, TGeoManager *mgr = gGeoManager) const;
+ virtual TGeoCompositeShape* CreateGroundingFoilShape(Int_t itype,
+ Double_t &length,Double_t &width,Double_t thickness,TArrayD &sizes);
+ virtual TGeoVolumeAssembly* CreateGroundingFoil(Bool_t isRight, TArrayD &sizes,
+ TGeoManager *mgr = gGeoManager);
+ // the MCM (thin part + thick part with chips inside)
+ virtual TGeoVolumeAssembly* CreateMCM(Bool_t isRight, TArrayD &sizes,
+ TGeoManager *mgr = gGeoManager) const;
+ // the pixel bus (flat part + pt1000s + large capacitors/resistors)
+ virtual TGeoVolumeAssembly* CreatePixelBus(Bool_t isRight, Int_t layer, TArrayD &sizes,
+ TGeoManager *mgr = gGeoManager) const;
+ // the extender complicated geometry
+ virtual TGeoVolume* CreateExtender(const Double_t *params,
+ const TGeoMedium *medium, TArrayD &sizes) const;
+ // the Pixel Bus & extenders (old method which will be removed)
+ virtual TGeoVolumeAssembly* CreatePixelBusAndExtensions(Bool_t zpos=kTRUE,
+ TGeoManager *mgr = gGeoManager) const;
+
+ virtual TList* CreateConeModule(TGeoManager *mgr = gGeoManager) const;
+ virtual void CreateCones(TGeoVolume *moth) const;
+ // a half-stave (put together ladders + MCM + bus, and add clips
+ // if requested)
+ virtual TGeoVolumeAssembly* CreateHalfStave(Bool_t isRight, Int_t layer,
+ Int_t idxCentral, Int_t idxSide,TArrayD &sizes/*,
+ Bool_t addClips = kFALSE*/, TGeoManager *mgr = gGeoManager);
+ // the whole stave (2 half-staves of different orientation)
+ virtual TGeoVolumeAssembly* CreateStave(Int_t layer, TArrayD &sizes,
+ /*Bool_t addClips = kFALSE,*/TGeoManager *mgr = gGeoManager);
+ // the complete Carbon Fiber sector (support + staves)
+ virtual void CarbonFiberSector(TGeoVolume *moth, Double_t &xAAtubeCenter0,
+ Double_t &yAAtubeCenter0, TGeoManager *mgr = gGeoManager);
+ // the whole SPD barrel (the 10 sectors at once)
+ virtual void SPDSector(TGeoVolume *moth, TGeoManager *mgr = gGeoManager);
+ // Returns the location of the SPD cooling tube ends. RB26 (muon absober
+ // side) and RB24 (open side). Staves number 0,1 inner Staves, 2-5 outer
+ // staves. Sectors numbers 0-9.
+ virtual void GetSPDCoolingTubeRB26(Int_t sector,Int_t stave,
+ Double_t &x,Double_t &y,Double_t &z)const{
+ x = fTubeEndSector[sector][1][stave][0];
+ y = fTubeEndSector[sector][1][stave][1];
+ z = fTubeEndSector[sector][1][stave][2];return;};
+ virtual void GetSPDCoolingTubeRB24(Int_t sector,Int_t stave,
+ Double_t &x,Double_t &y,Double_t &z)const{
+ x = fTubeEndSector[sector][0][stave][0];
+ y = fTubeEndSector[sector][0][stave][1];
+ z = fTubeEndSector[sector][0][stave][2];return;};
+ private:
+ // NOTE:
+ // all of the member functions which define a component of the final SPD
+ // will need to be defined as private once the design is fixed and
+ // does not need any longer to be checked and debugged.
+
+ /* Service methods for internal use only */
+
+ // compute shape of the SPD Sector given specific inputs
+ void 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;
+ // compute a point o a line parallel to a given direction
+ // and with a fixed distance from it
+ void ParallelPosition(Double_t dist1, Double_t dist2, Double_t phi,
+ Double_t &x, Double_t &y) const;
+ // comutes the radial translation of a sector to give the
+ // proper distance between SPD detectors and the beam pipe.
+ Double_t GetSPDSectorTranslation(Double_t x0,Double_t y0,Double_t x1,
+ Double_t y1,Double_t r)const;
+ Bool_t CFHolePoints(Double_t s,Double_t r1,Double_t r2,Double_t l,
+ Double_t &x,Double_t &y)const;
+
+ /* Data members */
+
+ static const Double_t fgkGapLadder;// thicknes of the empty (air) gap left
+ // between the ladder and the grounding
+ // foil for alignment
+ static const Double_t fgkGapHalfStave;//thickness of the empty (air) gap
+ // left between HS and Carbon Suport
+ Bool_t fAddStave[6]; // [DEBUG] must be TRUE for all staves
+ // which will be mounted in the sector
+ // (used to check overlaps)
+ TArrayD fSPDsectorX0; // X of first edge of sector plane for stave
+ TArrayD fSPDsectorY0; // Y of first edge of sector plane for stave
+ TArrayD fSPDsectorX1; // X of second edge of sector plane for stave
+ TArrayD fSPDsectorY1; // Y of second edge of sector plane for stave
//
- // Create figures for the documentation of this class
- virtual void CreateFigure0(const Char_t *filepath="",
- const Char_t *type="gif");
- private:
- void 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);
-
- private:
- ClassDef(AliITSv11GeometrySPD,1) // ITS v11 Centeral SPD geometry
+ Double_t fTubeEndSector[10][2][6][3]; // Location of tube end in sector
+ /* ROOT dictionary */
+
+ ClassDef(AliITSv11GeometrySPD,2) // ITS v11 Central SPD geometry
};
+// Input and output function for standard C++ input/output.
+ostream &operator<<(ostream &os, const AliITSv11GeometrySPD &s);
+istream &operator>>(istream &is, AliITSv11GeometrySPD &s);
+
#endif