#include <TGeoManager.h>
#include <TGeoVolume.h>
#include <TGeoTube.h>
+#include <TGeoTorus.h>
#include <TGeoMatrix.h>
#include "AliITSv11GeomCableRound.h"
// Ludovic Gaudichet gaudichet@to.infn.it
//*************************************************************************
+/*
+// ************************************************************************
+// Here is a example on how to use this class
+// ************************************************************************
+
+ // Getting some media
+ TGeoMedium *air = gGeoManager->GetMedium("ITS_AIR$");
+ TGeoMedium *water = gGeoManager->GetMedium("ITS_WATER");
+ TGeoMedium *alu = gGeoManager->GetMedium("ITS_ITSal");
+
+ // Creating a small box inside a bigger one (containers)
+ TGeoBBox *box1 = new TGeoBBox("box1", 6,10,10);
+ TGeoBBox *bigBox = new TGeoBBox("bigBox", 20,10,10);
+ TGeoVolume *vbox1 = new TGeoVolume("vbox1", box1, air);
+ TGeoVolume *vBigBox = new TGeoVolume("vBigBox", bigBox, air);
+ vbox1->SetVisibility(kFALSE);
+ vBigBox->SetVisibility(kFALSE);
+
+ TGeoTranslation *tr1 = new TGeoTranslation("negTr",-14,0,0);
+ vBigBox->AddNode(vbox1, 1, tr1);
+ moth->AddNode(vBigBox, 1, 0);
+
+ // **************************************************
+ // Inserting a round cable (or here a water pipe...)
+ // **************************************************
+
+ Int_t waterColor = 7;
+ Int_t aluColor = 5;
+ AliITSv11GeomCableRound roundCable("waterPipe", 0.9); //radius of 0.9cm
+ roundCable.SetNLayers(2);
+ roundCable.SetLayer(0, 0.7, water, waterColor); // radius of 0.7cm
+ roundCable.SetLayer(1, 0.2, alu, aluColor); // thickness of 0.2cm
+
+ // ****** Set check points and their containers ******
+ // The 2 first points are in the small box (vbox1)
+ // The second point is at the boundary
+
+ Double_t coord0[3] = {0,-2,-2};
+ Double_t coord1[3] = {6,2,1};
+ Double_t vect0[3] = {1,1,0};
+ Double_t vect1[3] = {1,0,0};
+ // coordinates have to be given in the specified container
+ // reference system (here it's going to be vbox1).
+ // vect1 and vect2 are vectors perpendicular to the segment ends
+ // (These vectors don't need to be normalized)
+ roundCable.AddCheckPoint( vbox1, 0, coord0, vect0);
+ roundCable.AddCheckPoint( vbox1, 1, coord1, vect1);
+
+ // Then, let's cross the boundary ! You just need
+ // to put the next point in the other volume, vBigBox.
+ // At the moment of creating the second segment, it will
+ // be inserted in this volume. That is why the point 1 had to
+ // be at the boundary, because otherwise the second segment
+ // between de points 1 and 2 would have been inserted in the
+ // vBigBox but in the same time would have cross its
+ // boundary ...
+ Double_t coord2[3] = {-2,6,4}; // coord. syst. of vBigBox !
+ Double_t vect2[3]= {1,1,0.5};
+ roundCable.AddCheckPoint( vBigBox, 2, coord2, vect2);
+
+ Double_t coord3[3] = {4,6,4};
+ Double_t vect3[3]= {-1,0,0};
+ roundCable.AddCheckPoint( vBigBox, 3, coord3, vect3);
+
+ Double_t coord4[3] = {4,0,-4};
+ Double_t vect4[3]= {1,0,0};
+ roundCable.AddCheckPoint( vBigBox, 4, coord4, vect4);
+
+ Double_t coord5[3] = {4,-6,4};
+ Double_t vect5[3]= {1,0,0};
+ roundCable.AddCheckPoint( vBigBox, 5, coord5, vect5);
+
+ Double_t coord6[3] = {7,-6,4};
+ Double_t vect6[3]= {1,0,0};
+ roundCable.AddCheckPoint( vBigBox, 6, coord6, vect6);
+
+ Double_t r = 7;
+ Double_t angle = 70*TMath::DegToRad();
+ Double_t coord7[3] = {coord6[0] +r*sin(angle), coord6[1],
+ coord6[2] -r*(1-cos(angle)) };
+ Double_t vect7[3]= {r*cos(angle),0,-r*sin(angle)};
+ roundCable.AddCheckPoint( vBigBox, 7, coord7, vect7);
+
+ Double_t coord8[3] = { coord7[0]+vect7[0], coord7[1]+vect7[1],-10};
+ Double_t vect8[3]= {0,0,1};
+ roundCable.AddCheckPoint( vBigBox, 8, coord8, vect8);
+
+ // ****** Creating the corresponding volume ******
+ // Since the container volumes of the check points have
+ // been recorded, this can be done at any moments, providing
+ // that the container volumes are found in the sub-nodes
+ // of the initial node (the top volume of the TGeoManager or
+ // the volume set in SetInitialNode(TGeoVolume*) function)
+
+ roundCable.SetInitialNode(vBigBox); //Set the root node
+ roundCable.CreateAndInsertCableSegment( 1);
+ // This command means : create the segment between point 0
+ // and point 1. The segment is automatically inserted in the
+ // container volume of point 1.
+
+ roundCable.CreateAndInsertCableSegment( 2);
+ roundCable.CreateAndInsertCableSegment( 3);
+
+ // The following segment is going to be a torus segment.
+ // The radius and position of the torus is defined by the
+ // orthogonal vector of point 4 (the orientation of this vector
+ // and the position of the 2 check points are enough to define
+ // completely the torus)
+ roundCable.CreateAndInsertTorusSegment( 4, 180);
+ // The second argument is an additionnal rotation of the
+ // segment around the axis defined by the 2 check points.
+
+ roundCable.CreateAndInsertTorusSegment( 5);
+ roundCable.CreateAndInsertCableSegment( 6);
+ roundCable.CreateAndInsertTorusSegment( 7,180);
+ roundCable.CreateAndInsertCableSegment( 8);
+
+*/
+
+
+
ClassImp(AliITSv11GeomCableRound)
//________________________________________________________________________
AliITSv11GeomCableRound::
AliITSv11GeomCableRound(const char* name, Double_t radius) :
-AliITSv11GeomCable(name) {
+ AliITSv11GeomCable(name),
+ fRadius(radius),
+ fNlayer(0),
+ fPhiMin(0),
+ fPhiMax(360)
+ {
// Constructor
- fRadius = radius;
- fNlayer = 0;
for (Int_t i=0; i<fgkCableMaxLayer ; i++) {
fLayThickness[i] = 0;
fLayColor[i] = 0;
fLayMedia[i] = 0;
};
- fPhiMin = 0;
- fPhiMax = 360;
-};
-
+}
+/*
//________________________________________________________________________
AliITSv11GeomCableRound::AliITSv11GeomCableRound(const AliITSv11GeomCableRound &s) :
AliITSv11GeomCable(s),fRadius(s.fRadius),fNlayer(s.fNlayer),fPhiMin(s.fPhiMin),
};
return *this;
}
-
+*/
//________________________________________________________________________
Int_t AliITSv11GeomCableRound::GetPoint( Int_t iCheckPt, Double_t *coord)
const {
// Get check point #iCheckPt
TVectorD *coordVector =(TVectorD *)fPointArray.UncheckedAt(2*iCheckPt);
+#if ROOT_VERSION_CODE < ROOT_VERSION(4,0,0)
+ CopyFrom(coord, coordVector->GetElements());
+#else
CopyFrom(coord, coordVector->GetMatrixArray());
+#endif
return kTRUE;
-};
+}
//________________________________________________________________________
Int_t AliITSv11GeomCableRound::GetVect( Int_t iCheckPt, Double_t *coord)
//
TVectorD *coordVector =(TVectorD *)fPointArray.UncheckedAt(2*iCheckPt+1);
+#if ROOT_VERSION_CODE < ROOT_VERSION(4,0,0)
+ CopyFrom(coord, coordVector->GetElements());
+#else
CopyFrom(coord, coordVector->GetMatrixArray());
+#endif
return kTRUE;
-};
+}
+
//________________________________________________________________________
void AliITSv11GeomCableRound::AddCheckPoint( TGeoVolume *vol, Int_t iCheckPt,
Double_t *coord, Double_t *orthVect)
fPointArray.AddAt(point, iCheckPt*2 );
fPointArray.AddAt(vect, iCheckPt*2+1);
};
-};
+}
//________________________________________________________________________
void AliITSv11GeomCableRound::PrintCheckPoints() const {
TVectorD *coordVector = (TVectorD *)fPointArray.UncheckedAt(i*2);
//TVectorD *vectVector = (TVectorD *)fPointArray.UncheckedAt(i*2+1);
Double_t coord[3];
+#if ROOT_VERSION_CODE < ROOT_VERSION(4,0,0)
+ CopyFrom(coord, coordVector->GetElements());
+#else
CopyFrom(coord, coordVector->GetMatrixArray());
-
+#endif
printf(" ( %.2f, %.2f, %.2f )\n", coord[0], coord[1], coord[2]);
};
+}
-};
//________________________________________________________________________
-Int_t AliITSv11GeomCableRound::CreateAndInsertCableSegment(Int_t p2)
+TGeoVolume* AliITSv11GeomCableRound::CreateAndInsertCableSegment(Int_t p2,
+ TGeoCombiTrans** ct)
{
// Creates a cable segment between points p1 and p2.
-// Rotation is the eventual rotation of the flat cable
-// along its length axis
//
// The segment volume is created inside the volume containing point2
// Therefore this segment should be defined in this volume only.
TGeoNode *mainNode;
if (fInitialNode==0) {
TObjArray *nodes = gGeoManager->GetListOfNodes();
- if (nodes->GetEntriesFast()==0) return kFALSE;
+ if (nodes->GetEntriesFast()==0) return 0;
mainNode = (TGeoNode *) nodes->UncheckedAt(0);
} else {
mainNode = fInitialNode;
fCurrentVol = p1Vol;
if (! CheckDaughter(mainNode)) {
printf("Error::volume containing point is not visible in node tree!\n");
- return kFALSE;
+ return 0;
};
Double_t coord1[3], coord2[3], vect1[3], vect2[3];
fCurrentVol = p2Vol;
if (! CheckDaughter(mainNode)) {
printf("Error::volume containing point is not visible in node tree!\n");
- return kFALSE;
+ return 0;
};
Int_t p2nodeInd[fgkCableMaxNodeLevel];
for (Int_t i=0; i<fgkCableMaxNodeLevel; i++) p2nodeInd[i]=fNodeInd[i];
//=================================================
// Create the segment and add it to the mother volume
TGeoVolume *vCableSeg = CreateSegment(coord1, coord2,
- localVect1, localVect2);
+ localVect1, localVect2, p2);
TGeoCombiTrans *combi = new TGeoCombiTrans(*trans, *rot);
p2Vol->AddNode(vCableSeg, p2, combi);
printf("%f, %f, %f\n",coord2[0], coord2[1], coord2[2]);
};
// #include <TGeoSphere.h>
-// TGeoMedium *airSDD = gGeoManager->GetMedium("ITSsddAir");
+// TGeoMedium *airSDD = gGeoManager->GetMedium("ITS_AIR$");
// TGeoSphere *sphere = new TGeoSphere(0, 0.15);
// TGeoVolume *vSphere = new TGeoVolume("", sphere, airSDD);
// TGeoTranslation *trC = new TGeoTranslation("", cx, cy, cz);
// p2Vol->AddNode(vSphere, p2*3-1, tr1);
// p2Vol->AddNode(vSphere, p2*3 , tr2);
- return kTRUE;
-};
+ if (ct) *ct = combi;
+ return vCableSeg;
+}
//________________________________________________________________________
-TGeoVolume *AliITSv11GeomCableRound::CreateSegment( Double_t *coord1,
- Double_t *coord2,
+TGeoVolume* AliITSv11GeomCableRound::CreateAndInsertTubeSegment(Int_t p2,
+ TGeoCombiTrans** ct)
+{
+// Creates a cable segment between points p1 and p2.
+//
+// This creates simple tube sections, i.e. the cable ends are
+// cutted perpendicularly to the tube axis. The method has to
+// be used only in this simple case, in ordder to save some memory
+
+ TGeoNode *mainNode;
+ if (fInitialNode==0) {
+ TObjArray *nodes = gGeoManager->GetListOfNodes();
+ if (nodes->GetEntriesFast()==0) return 0;
+ mainNode = (TGeoNode *) nodes->UncheckedAt(0);
+ } else {
+ mainNode = fInitialNode;
+ };
+
+ Int_t p1 = p2 - 1;
+ TGeoVolume *p1Vol = GetVolume(p1);
+ TGeoVolume *p2Vol = GetVolume(p2);
+
+ ResetCheckDaughter();
+ fCurrentVol = p1Vol;
+ if (! CheckDaughter(mainNode)) {
+ printf("Error::volume containing point is not visible in node tree!\n");
+ return 0;
+ };
+
+ Double_t coord1[3], coord2[3], vect1[3], vect2[3];
+ //=================================================
+ // Get p1 position in the systeme of p2
+ if (p1Vol!=p2Vol) {
+
+ Int_t p1nodeInd[fgkCableMaxNodeLevel];
+ for (Int_t i=0; i<fgkCableMaxNodeLevel; i++) p1nodeInd[i]=fNodeInd[i];
+ Int_t p1volLevel = 0;
+ while (p1nodeInd[p1volLevel]!=-1) p1volLevel++;
+ p1volLevel--;
+
+ ResetCheckDaughter();
+ fCurrentVol = p2Vol;
+ if (! CheckDaughter(mainNode)) {
+ printf("Error::volume containing point is not visible in node tree!\n");
+ return 0;
+ };
+ Int_t p2nodeInd[fgkCableMaxNodeLevel];
+ for (Int_t i=0; i<fgkCableMaxNodeLevel; i++) p2nodeInd[i]=fNodeInd[i];
+ Int_t commonMotherLevel = 0;
+ while (p1nodeInd[commonMotherLevel]==fNodeInd[commonMotherLevel])
+ commonMotherLevel++;
+ commonMotherLevel--;
+ Int_t p2volLevel = 0;
+ while (fNodeInd[p2volLevel]!=-1) p2volLevel++;
+ p2volLevel--;
+
+ // Get coord and vect of p1 in the common mother reference system
+ GetCheckPoint(p1, 0, p1volLevel-commonMotherLevel, coord1);
+ GetCheckVect( p1, 0, p1volLevel-commonMotherLevel, vect1);
+ // Translate them in the reference system of the volume containing p2
+ TGeoNode *pathNode[fgkCableMaxNodeLevel];
+ pathNode[0] = mainNode;
+ for (Int_t i=0; i<=p2volLevel; i++) {
+ pathNode[i+1] = pathNode[i]->GetDaughter(p2nodeInd[i]);
+ };
+ Double_t globalCoord1[3] = {coord1[0], coord1[1], coord1[2]};
+ Double_t globalVect1[3] = {vect1[0], vect1[1], vect1[2]};
+
+ for (Int_t i = commonMotherLevel+1; i<=p2volLevel; i++) {
+ pathNode[i+1]->GetMatrix()->MasterToLocal(globalCoord1, coord1);
+ pathNode[i+1]->GetMatrix()->MasterToLocalVect(globalVect1, vect1);
+ CopyFrom(globalCoord1, coord1);
+ CopyFrom(globalVect1, vect1);
+ };
+ } else {
+ GetCheckPoint(p1, 0, 0, coord1);
+ GetCheckVect(p1, 0, 0, vect1);
+ };
+
+ //=================================================
+ // Get p2 position in the systeme of p2
+ GetCheckPoint(p2, 0, 0, coord2);
+ GetCheckVect(p2, 0, 0, vect2);
+
+ Double_t cx = (coord1[0]+coord2[0])/2;
+ Double_t cy = (coord1[1]+coord2[1])/2;
+ Double_t cz = (coord1[2]+coord2[2])/2;
+ Double_t dx = coord2[0]-coord1[0];
+ Double_t dy = coord2[1]-coord1[1];
+ Double_t dz = coord2[2]-coord1[2];
+
+ //=================================================
+ // Positionning of the segment between the 2 points
+ if ((dy<1e-31)&&(dy>0)) dy = 1e-31;
+ if ((dz<1e-31)&&(dz>0)) dz = 1e-31;
+ if ((dy>-1e-31)&&(dy<0)) dy = -1e-31;
+ if ((dz>-1e-31)&&(dz<0)) dz = -1e-31;
+
+ Double_t angleRot1 = -TMath::ATan2(dx,dy);
+ Double_t planDiagL = TMath::Sqrt(dy*dy+dx*dx);
+ Double_t angleRotDiag = -TMath::ATan2(planDiagL,dz);
+ TGeoRotation *rot = new TGeoRotation("",angleRot1*TMath::RadToDeg(),
+ angleRotDiag*TMath::RadToDeg(),
+ 0);
+ TGeoTranslation *trans = new TGeoTranslation("",cx, cy, cz);
+
+ //=================================================
+ // Create the segment and add it to the mother volume
+ TGeoVolume *vCableSeg = CreateTubeSegment( coord1,coord2, p2);
+
+ TGeoCombiTrans *combi = new TGeoCombiTrans(*trans, *rot);
+ p2Vol->AddNode(vCableSeg, p2, combi);
+ //=================================================
+ delete rot;
+ delete trans;
+
+ if (fDebug) {
+ printf("---\n Cable segment points : ");
+ printf("%f, %f, %f\n",coord1[0], coord1[1], coord1[2]);
+ printf("%f, %f, %f\n",coord2[0], coord2[1], coord2[2]);
+ };
+
+ if (ct) *ct = combi;
+ return vCableSeg;
+}
+
+//________________________________________________________________________
+TGeoVolume* AliITSv11GeomCableRound::CreateAndInsertTorusSegment(Int_t p2,
+ Double_t rotation,
+ TGeoCombiTrans** ct)
+{
+ // Create a torus cable segment between points p1 and p2.
+ // The radius and position of the torus is defined by the
+ // perpendicular vector of point p2 (the orientation of this vector
+ // and the position of the 2 check points are enough to completely
+ // define the torus)
+
+ TGeoNode *mainNode;
+ if (fInitialNode==0) {
+ TObjArray *nodes = gGeoManager->GetListOfNodes();
+ if (nodes->GetEntriesFast()==0) return 0;
+ mainNode = (TGeoNode *) nodes->UncheckedAt(0);
+ } else {
+ mainNode = fInitialNode;
+ };
+
+ Int_t p1 = p2 - 1;
+ TGeoVolume *p1Vol = GetVolume(p1);
+ TGeoVolume *p2Vol = GetVolume(p2);
+
+ ResetCheckDaughter();
+ fCurrentVol = p1Vol;
+ if (! CheckDaughter(mainNode)) {
+ printf("Error::volume containing point is not visible in node tree!\n");
+ return 0;
+ };
+
+ Double_t coord1[3], coord2[3], vect1[3], vect2[3];
+ //=================================================
+ // Get p1 position in the systeme of p2
+ if (p1Vol!=p2Vol) {
+
+ Int_t p1nodeInd[fgkCableMaxNodeLevel];
+ for (Int_t i=0; i<fgkCableMaxNodeLevel; i++) p1nodeInd[i]=fNodeInd[i];
+ Int_t p1volLevel = 0;
+ while (p1nodeInd[p1volLevel]!=-1) p1volLevel++;
+ p1volLevel--;
+
+ ResetCheckDaughter();
+ fCurrentVol = p2Vol;
+ if (! CheckDaughter(mainNode)) {
+ printf("Error::volume containing point is not visible in node tree!\n");
+ return 0;
+ };
+ Int_t p2nodeInd[fgkCableMaxNodeLevel];
+ for (Int_t i=0; i<fgkCableMaxNodeLevel; i++) p2nodeInd[i]=fNodeInd[i];
+ Int_t commonMotherLevel = 0;
+ while (p1nodeInd[commonMotherLevel]==fNodeInd[commonMotherLevel])
+ commonMotherLevel++;
+ commonMotherLevel--;
+ Int_t p2volLevel = 0;
+ while (fNodeInd[p2volLevel]!=-1) p2volLevel++;
+ p2volLevel--;
+
+ // Get coord and vect of p1 in the common mother reference system
+ GetCheckPoint(p1, 0, p1volLevel-commonMotherLevel, coord1);
+ GetCheckVect( p1, 0, p1volLevel-commonMotherLevel, vect1);
+ // Translate them in the reference system of the volume containing p2
+ TGeoNode *pathNode[fgkCableMaxNodeLevel];
+ pathNode[0] = mainNode;
+ for (Int_t i=0; i<=p2volLevel; i++) {
+ pathNode[i+1] = pathNode[i]->GetDaughter(p2nodeInd[i]);
+ };
+ Double_t globalCoord1[3] = {coord1[0], coord1[1], coord1[2]};
+ Double_t globalVect1[3] = {vect1[0], vect1[1], vect1[2]};
+
+ for (Int_t i = commonMotherLevel+1; i<=p2volLevel; i++) {
+ pathNode[i+1]->GetMatrix()->MasterToLocal(globalCoord1, coord1);
+ pathNode[i+1]->GetMatrix()->MasterToLocalVect(globalVect1, vect1);
+ CopyFrom(globalCoord1, coord1);
+ CopyFrom(globalVect1, vect1);
+ };
+ } else {
+ GetCheckPoint(p1, 0, 0, coord1);
+ GetCheckVect(p1, 0, 0, vect1);
+ };
+
+ //=================================================
+ // Get p2 position in the systeme of p2
+ GetCheckPoint(p2, 0, 0, coord2);
+ GetCheckVect(p2, 0, 0, vect2);
+
+ Double_t cx = (coord1[0]+coord2[0])/2;
+ Double_t cy = (coord1[1]+coord2[1])/2;
+ Double_t cz = (coord1[2]+coord2[2])/2;
+ Double_t dx = coord2[0]-coord1[0];
+ Double_t dy = coord2[1]-coord1[1];
+ Double_t dz = coord2[2]-coord1[2];
+ Double_t length = TMath::Sqrt(dx*dx+dy*dy+dz*dz);
+
+ //=================================================
+ // Positionning of the segment between the 2 points
+ if ((dy<1e-31)&&(dy>0)) dy = 1e-31;
+ if ((dz<1e-31)&&(dz>0)) dz = 1e-31;
+ if ((dy>-1e-31)&&(dy<0)) dy = -1e-31;
+ if ((dz>-1e-31)&&(dz<0)) dz = -1e-31;
+
+ Double_t angleRot1 = -TMath::ATan2(dx,dy);
+ Double_t planDiagL = TMath::Sqrt(dy*dy+dx*dx);
+ Double_t angleRotDiag = -TMath::ATan2(planDiagL,dz);
+
+ TGeoRotation rotTorusTemp("",angleRot1*TMath::RadToDeg(),
+ angleRotDiag*TMath::RadToDeg(),0);
+ TGeoRotation rotTorusToZ("",0,90,0);
+ rotTorusTemp.MultiplyBy(&rotTorusToZ, kTRUE);
+ Double_t localVect2[3];
+ rotTorusTemp.MasterToLocalVect(vect2, localVect2);
+ if (localVect2[1]<0) {
+ localVect2[0] = -localVect2[0];
+ localVect2[1] = -localVect2[1];
+ localVect2[2] = -localVect2[2];
+ };
+ Double_t normVect2 = TMath::Sqrt(localVect2[0]*localVect2[0]+
+ localVect2[1]*localVect2[1]+
+ localVect2[2]*localVect2[2]);
+ Double_t axisX[3] = {1,0,0};
+ Double_t cosangleTorusSeg = (localVect2[0]*axisX[0]+
+ localVect2[1]*axisX[1]+
+ localVect2[2]*axisX[2])/normVect2;
+ Double_t angleTorusSeg = TMath::ACos(cosangleTorusSeg)*TMath::RadToDeg();
+
+ TGeoRotation rotTorus("",angleRot1*TMath::RadToDeg(),
+ angleRotDiag*TMath::RadToDeg(),
+ 180-angleTorusSeg+rotation);
+ rotTorus.MultiplyBy(&rotTorusToZ, kTRUE);
+ rotTorus.MasterToLocalVect(vect2, localVect2);
+ if (localVect2[1]<0) {
+ localVect2[0] = -localVect2[0];
+ localVect2[1] = -localVect2[1];
+ localVect2[2] = -localVect2[2];
+ };
+ normVect2 = TMath::Sqrt(localVect2[0]*localVect2[0]+
+ localVect2[1]*localVect2[1]+
+ localVect2[2]*localVect2[2]);
+ Double_t axisY[3] = {0,1,0};
+ Double_t cosPhi = (localVect2[0]*axisY[0]+localVect2[1]*axisY[1]+
+ localVect2[2]*axisY[2])/normVect2;
+ Double_t torusPhi1 = TMath::ACos(cosPhi);
+ Double_t torusR = (length/2)/TMath::Sin(torusPhi1);
+ torusPhi1 = torusPhi1*TMath::RadToDeg();
+ Double_t perpLength = TMath::Sqrt(torusR*torusR-length*length/4);
+ Double_t localTransT[3] = {-perpLength,0,0};
+ Double_t globalTransT[3];
+ rotTorus.LocalToMasterVect(localTransT, globalTransT);
+ TGeoTranslation transTorus("",cx+globalTransT[0],cy+globalTransT[1],
+ cz+globalTransT[2]);
+
+ TGeoCombiTrans *combiTorus = new TGeoCombiTrans(transTorus, rotTorus);
+
+ //=================================================
+ // Create the segment and add it to the mother volume
+ TGeoVolume *vCableSegT = CreateTorus(torusPhi1, torusR, p2);
+ p2Vol->AddNode(vCableSegT, p2, combiTorus);
+
+ if (fDebug) {
+ printf("---\n Cable segment points : ");
+ printf("%f, %f, %f\n",coord1[0], coord1[1], coord1[2]);
+ printf("%f, %f, %f\n",coord2[0], coord2[1], coord2[2]);
+ };
+
+ if (ct) *ct = combiTorus;
+ return vCableSegT;
+}
+
+//________________________________________________________________________
+TGeoVolume *AliITSv11GeomCableRound::CreateSegment( const Double_t *coord1,
+ const Double_t *coord2,
Double_t *localVect1,
- Double_t *localVect2 )
+ Double_t *localVect2, Int_t p)
{
+ // Create a cylindrical segment and its layers. The tube section is cutted by
+ // two planes, defined by the normal vectors localVect1 and localVect2
//=================================================
// Calculate segment "deformation"
};
//=================================================
// Create the segment
- TGeoCtub *cableSeg = new TGeoCtub(0., fRadius, length/2, fPhiMin, fPhiMax,
+ TGeoCtub *cableSeg = new TGeoCtub(0, fRadius, length/2, fPhiMin, fPhiMax,
localVect1[0],localVect1[1],localVect1[2],
localVect2[0],localVect2[1],localVect2[2]);
- TGeoMedium *airSDD = gGeoManager->GetMedium("ITSair");
- TGeoVolume *vCableSeg = new TGeoVolume(GetName(), cableSeg, airSDD);
+ TGeoMedium *skinMedia = fLayMedia[fNlayer-1];
+ char name[100];
+ snprintf(name, 100, "%s_%i",GetName(), p);
+ TGeoVolume *vCableSeg = new TGeoVolume(name, cableSeg, skinMedia);
+ vCableSeg->SetLineColor(fLayColor[fNlayer-1]);
// add all cable layers
Double_t layThickness[100+1]; // 100 layers max !!!
layThickness[0] = 0;
- for (Int_t iLay=0; iLay<fNlayer; iLay++) {
+ for (Int_t iLay=0; iLay<fNlayer-1; iLay++) {
layThickness[iLay+1] = fLayThickness[iLay]+layThickness[iLay];
TGeoCtub *lay = new TGeoCtub(layThickness[iLay], layThickness[iLay+1],
vCableSeg->AddNode(vLay, iLay+1, 0);
};
- vCableSeg->SetVisibility(kFALSE);
+ //vCableSeg->SetVisibility(kFALSE);
return vCableSeg;
-};
+}
+//________________________________________________________________________
+TGeoVolume *AliITSv11GeomCableRound::CreateTubeSegment( const Double_t *coord1,
+ const Double_t *coord2,
+ Int_t p)
+{
+ // Create a cylindrical segment and its layers
+
+ //=================================================
+ // Calculate segment "deformation"
+ Double_t dx = coord2[0]-coord1[0];
+ Double_t dy = coord2[1]-coord1[1];
+ Double_t dz = coord2[2]-coord1[2];
+ Double_t length = TMath::Sqrt(dx*dx+dy*dy+dz*dz);
+
+ //=================================================
+ // Create the segment
+
+ TGeoTubeSeg *cableSeg = new TGeoTubeSeg(0, fRadius, length/2, fPhiMin, fPhiMax);
+
+ TGeoMedium *skinMedia = fLayMedia[fNlayer-1];
+ char name[100];
+ snprintf(name, 100, "%s_%i",GetName(), p);
+ TGeoVolume *vCableSeg = new TGeoVolume(name, cableSeg, skinMedia);
+ vCableSeg->SetLineColor(fLayColor[fNlayer-1]);
+
+ // add all cable layers
+ Double_t layThickness[100+1]; // 100 layers max !!!
+ layThickness[0] = 0;
+ for (Int_t iLay=0; iLay<fNlayer-1; iLay++) {
+
+ layThickness[iLay+1] = fLayThickness[iLay]+layThickness[iLay];
+ TGeoTubeSeg*lay = new TGeoTubeSeg(layThickness[iLay], layThickness[iLay+1],
+ length/2, fPhiMin, fPhiMax);
+ TGeoVolume *vLay = new TGeoVolume("vCableSegLay", lay, fLayMedia[iLay]);
+ vLay->SetLineColor(fLayColor[iLay]);
+ vCableSeg->AddNode(vLay, iLay+1, 0);
+ };
+
+ //vCableSeg->SetVisibility(kFALSE);
+ return vCableSeg;
+}
+
+
+//________________________________________________________________________
+TGeoVolume *AliITSv11GeomCableRound::CreateTorus( const Double_t &phi,
+ const Double_t &r, Int_t p)
+{
+ // Create one torus segment and its layers
+
+ Double_t torusR = r;
+// Double_t torusPhi1 = phi;
+// Double_t torusDPhi = -2*torusPhi1; // bug in root ...
+ Double_t torusPhi1 = 360-phi;
+ Double_t torusDPhi = 2*phi;
+
+ // // Create the segment, it will also work as the last layer
+ TGeoTorus *cableSeg = new TGeoTorus(torusR, 0, fRadius, torusPhi1, torusDPhi);
+ TGeoMedium *skinMedia = fLayMedia[fNlayer-1];
+ char name[100];
+ snprintf(name, 100, "%s_%i",GetName(),p);
+ TGeoVolume *vCableSeg = new TGeoVolume(name, cableSeg, skinMedia);
+ vCableSeg->SetLineColor(fLayColor[fNlayer-1]);
+
+ // add all cable layers but last
+ Double_t layThickness[100+1]; // 100 layers max !!!
+ layThickness[0] = 0;
+ for (Int_t iLay=0; iLay<fNlayer-1; iLay++) {
+
+ layThickness[iLay+1] = fLayThickness[iLay]+layThickness[iLay];
+ TGeoTorus *lay = new TGeoTorus(torusR, layThickness[iLay],
+ layThickness[iLay+1],
+ torusPhi1,torusDPhi);
+
+ TGeoVolume *vLay = new TGeoVolume("vCableSegLay",lay,fLayMedia[iLay]);
+ vLay->SetLineColor(fLayColor[iLay]);
+
+ vCableSeg->AddNode(vLay, iLay+1,0);
+ };
+
+ //vCableSeg->SetVisibility(kFALSE);
+ return vCableSeg;
+}
+
//________________________________________________________________________
void AliITSv11GeomCableRound::SetNLayers(Int_t nLayers) {
// Set the total number of layers
fLayMedia[i] = 0;
};
};
-};
+}
//________________________________________________________________________
Int_t AliITSv11GeomCableRound::SetLayer(Int_t nLayer, Double_t thick,
fLayColor[nLayer] = color;
return kTRUE;
-};
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff