#include <TGeoVolume.h> // ROOT_TGeoVolume
#include <TGeoXtru.h> // ROOT_TGeoXtru
#include <TGeoPcon.h> // ROOT_TGeoPcon
+#include <TGeoTorus.h> // ROOT_TGeoTorus
#include <TGeoCompositeShape.h>
#include <TMath.h>
#include <TVector2.h> // ROOT_TVector2
fActiveId.Set(2);
}
+//____________________________________________________________________
+TGeoShape*
+AliFMDGeometryBuilder::MakeXTRU(const TObjArray& verticies,
+ Double_t thick) const
+{
+ //
+ // Make a polygonic extrusion shape based on verticies passed in @a
+ // verticies
+ //
+ // Parameters:
+ // verticies List of verticies
+ // thick Thickness
+ //
+ // Return:
+ // newly allocated polygonic extrusion shape
+ //
+ TArrayD xs(6);
+ TArrayD ys(6);
+ for (Int_t i = 0; i < 3; i++) {
+ TVector2* v = static_cast<TVector2*>(verticies.At(i+1));
+ xs[i] = v->Y();
+ ys[i] = -v->X();
+ xs[6-1-i] = v->Y();
+ ys[6-1-i] = v->X();
+ }
+ TGeoXtru* shape = new TGeoXtru(2);
+ shape->DefinePolygon(xs.fN, xs.fArray, ys.fArray);
+ shape->DefineSection(0, -thick/2);
+ shape->DefineSection(1, +thick/2);
+
+ return shape;
+}
//____________________________________________________________________
TGeoVolume*
-AliFMDGeometryBuilder::RingGeometry(AliFMDRing* r)
+AliFMDGeometryBuilder::RingGeometry(const AliFMDRing* r)
{
// Setup the geometry of a ring. The defined TGeoVolume is
// returned, and should be used when setting up the rest of the
return 0;
}
Char_t id = r->GetId();
- const Char_t* lName = (id == 'i' || id == 'I' ? "inner" : "outer");
- Double_t siThick = r->GetSiThickness();
- const Int_t knv = r->GetNVerticies();
- TVector2* a = r->GetVertex(5);
- TVector2* b = r->GetVertex(3);
- TVector2* c = r->GetVertex(4);
- Double_t theta = r->GetTheta();
- Double_t off = (TMath::Tan(TMath::Pi() * theta / 180)
- * r->GetBondingWidth());
- Double_t rmax = b->Mod();
- Double_t rmin = r->GetLowR();
- Double_t pcbThick = r->GetPrintboardThickness();
- Double_t cuThick = r->GetCopperThickness();
- Double_t chipThick= r->GetChipThickness();
- Double_t modSpace = r->GetModuleSpacing();
- Double_t legr = r->GetLegRadius();
- Double_t legl = r->GetLegLength();
- Double_t legoff = r->GetLegOffset();
- Int_t ns = r->GetNStrips();
- Double_t stripoff = a->Mod();
- Double_t dstrip = (rmax - stripoff) / ns;
- Double_t space = r->GetSpacing();
- TArrayD xs(knv);
- TArrayD ys(knv);
- for (Int_t i = 0; i < knv; i++) {
- // Reverse the order
- TVector2* vv = r->GetVertex(knv - 1 - i);
- if (!vv) {
- AliError(Form("Failed to get vertex # %d", knv - 1 - i));
- continue;
- }
- xs[i] = vv->X();
- ys[i] = vv->Y();
- }
+ Char_t rng = toupper(id);
+ const Char_t* lName = (rng == 'I' ? "inner" : "outer");
+ Double_t siThick = r->GetSiThickness();
+ Double_t pcbThick = r->GetPrintboardThickness();
+ Double_t cuThick = r->GetCopperThickness();
+ Double_t chipThick= r->GetChipThickness();
+ Double_t modSpace = r->GetModuleSpacing();
+ Double_t theta = r->GetTheta();
- // Shape of actual sensor
- TGeoXtru* sensorShape = new TGeoXtru(2);
- sensorShape->DefinePolygon(knv, xs.fArray, ys.fArray);
- sensorShape->DefineSection(0, - siThick/2);
- sensorShape->DefineSection(1, siThick/2);
- sensorShape->SetName(Form(fgkSensorName, id));
- sensorShape->SetTitle(Form("FMD %s Sensor", lName));
- TGeoVolume* sensorVolume = new TGeoVolume(Form(fgkSensorName, id),
- sensorShape, fSi);
+ //------------------------------------------------------------------
+ // Sensor
+ // Physical sensor
+ TGeoShape* sensorShape = MakeXTRU(r->GetSensorVerticies(), siThick);
+ sensorShape->SetName(Form("FMD%c_physical_sensor", id));
+ sensorShape->SetTitle(Form("FMD %s physical sensor", lName));
+ TString sensorName = TString::Format(fgkSensorName, id);
+ TGeoVolume* sensorVolume = new TGeoVolume(sensorName, sensorShape, fSi);
sensorVolume->SetTitle(Form("FMD %s Sensor", lName));
sensorVolume->VisibleDaughters(kFALSE);
Int_t sid = sensorVolume->GetNumber();
+
fSectorOff = -1;
fModuleOff = 1;
fRingOff = 2;
fDetectorOff = 6;
// Virtual volume shape to divide - This volume is only defined if
// the geometry is set to be detailed.
- TGeoTubeSeg* activeShape = new TGeoTubeSeg(rmin, rmax, siThick/2,
- - theta, theta);
+ TGeoTubeSeg* activeShape = new TGeoTubeSeg(r->GetLowR(),
+ r->GetHighR(),
+ siThick / 2,
+ - theta,
+ + theta);
activeShape->SetName(Form(fgkActiveName, id));
activeShape->SetTitle(Form("FMD %s active area", lName));
- TGeoVolume* activeVolume = new TGeoVolume(Form(fgkActiveName, id),
- activeShape,fSi);
+ TString activeName = TString::Format(fgkActiveName, id);
+ TGeoVolume* activeVolume = new TGeoVolume(activeName,activeShape,fSi);
activeVolume->SetTitle(Form("FMD %s active area", lName));
- TGeoVolume* sectorVolume = activeVolume->Divide(Form(fgkSectorName,id),
- 2, 2, -theta,0,0,"N");
+ TString sectorName = TString::Format(fgkSectorName,id);
+ TGeoVolume* sectorVolume = activeVolume->Divide(sectorName, 2, 2, -theta,
+ 0,0,"N");
+
+ Int_t ns = r->GetNStrips();
+ Double_t stripoff = r->GetLowR(); // 0; // a->Mod();
+ Double_t dstrip = (r->GetHighR() - stripoff) / ns;
+
sectorVolume->SetTitle(Form("FMD %s sector", lName));
- TGeoVolume* stripVolume = sectorVolume->Divide(Form(fgkStripName, id),
+ TString stripName = TString::Format(fgkStripName, id);
+ TGeoVolume* stripVolume = sectorVolume->Divide(stripName,
1, ns, stripoff, dstrip,
0, "SX");
stripVolume->SetTitle(Form("FMD %s strip", lName));
sensorVolume->AddNodeOverlap(activeVolume, 0);
}
- switch (id) {
- case 'i': case 'I': fActiveId[0] = sid; break;
- case 'o': case 'O': fActiveId[1] = sid; break;
+ switch (rng) {
+ case 'I': fActiveId[0] = sid; break;
+ case 'O': fActiveId[1] = sid; break;
}
- // Shape of Printed circuit Board
- for (Int_t i = 0; i < knv / 2; i++) ys[i] -= off;
- for (Int_t i = knv / 2; i < knv; i++) ys[i] += off;
- TGeoXtru* pcbShape = new TGeoXtru(2);
- pcbShape->DefinePolygon(knv, xs.fArray, ys.fArray);
- pcbShape->DefineSection(0, - pcbThick/2);
- pcbShape->DefineSection(1, pcbThick/2);
- pcbShape->SetName(Form(fgkPCBName, id));
+ //------------------------------------------------------------------
+ // Hybrid
+ // PCB layer of hybrid
+ TGeoShape* pcbShape = MakeXTRU(r->GetHybridVerticies(), pcbThick);
+ pcbShape->SetName(Form("FMD%c_hybrid_pcb", id));
pcbShape->SetTitle(Form("FMD %s hybrid PCB", lName));
- TGeoVolume* pcbVolume = new TGeoVolume(Form(fgkPCBName, id),
- pcbShape, fPCB);
+ TString pcbName = TString::Format(fgkPCBName, id);
+ TGeoVolume* pcbVolume = new TGeoVolume(pcbName, pcbShape, fPCB);
pcbVolume->SetTitle(Form("FMD %s hybrid PCB", lName));
// Copper layer
- TGeoXtru* cuShape = new TGeoXtru(2);
- cuShape->DefinePolygon(6, xs.fArray, ys.fArray);
- cuShape->DefineSection(0, - cuThick/2);
- cuShape->DefineSection(1, cuThick/2);
+ TGeoShape* cuShape = MakeXTRU(r->GetHybridVerticies(), cuThick);
+ cuShape->SetName(Form("FMD%c_hybrid_copper", id));
cuShape->SetTitle(Form("FMD %s hybrid copper", lName));
- TGeoVolume* cuVolume = new TGeoVolume(Form(fgkCuName,id),cuShape,fCopper);
+ TString cuName = TString::Format(fgkCuName,id);
+ TGeoVolume* cuVolume = new TGeoVolume(cuName,cuShape,fCopper);
cuVolume->SetTitle(Form("FMD %s hybrid copper", lName));
// Chip layer
- TGeoXtru* chipShape = new TGeoXtru(2);
- chipShape->DefinePolygon(6, xs.fArray, ys.fArray);
- chipShape->DefineSection(0, - chipThick/2);
- chipShape->DefineSection(1, chipThick/2);
+ TGeoShape* chipShape = MakeXTRU(r->GetHybridVerticies(), chipThick);
+ chipShape->SetName(Form("FMD%c_hybrid_chip", id));
chipShape->SetTitle(Form("FMD %s hybrid chip", lName));
- TGeoVolume* chipVolume = new TGeoVolume(Form(fgkChipName,id),
- chipShape,fChip);
+ TString chipName = TString::Format(fgkChipName,id);
+ TGeoVolume* chipVolume = new TGeoVolume(chipName,chipShape,fChip);
chipVolume->SetTitle(Form("FMD %s hybrid chip", lName));
+ //------------------------------------------------------------------
+ // Legs
+ Double_t legr = r->GetLegRadius();
+ Double_t legl = r->GetLegLength();
+ Double_t lege = .05;
+
// Short leg shape
- TGeoTube* shortLegShape = new TGeoTube(0, legr, legl / 2);
+ TGeoTube* shortLegShape = new TGeoTube(0, legr, (legl-lege) / 2);
shortLegShape->SetName(Form(fgkShortLegName, id));
shortLegShape->SetTitle(Form("FMD %s short support foot", lName));
- TGeoVolume* shortLegVolume = new TGeoVolume(Form(fgkShortLegName, id),
+ TString shortLegName = TString::Format(fgkShortLegName, id);
+ TGeoVolume* shortLegVolume = new TGeoVolume(shortLegName,
shortLegShape, fCopper);
shortLegVolume->SetTitle(Form("FMD %s short support foot", lName));
// Long leg shape
- TGeoTube* longLegShape = new TGeoTube(0, legr, (legl + modSpace) / 2);
+ TGeoTube* longLegShape = new TGeoTube(0, legr,
+ (legl - lege + modSpace) / 2);
longLegShape->SetName(Form(fgkLongLegName, id));
longLegShape->SetTitle(Form("FMD %s long support foot", lName));
- TGeoVolume* longLegVolume = new TGeoVolume(Form(fgkLongLegName, id),
+ TString longLegName = TString::Format(fgkLongLegName, id);
+ TGeoVolume* longLegVolume = new TGeoVolume(longLegName,
longLegShape, fCopper);
longLegVolume->SetTitle(Form("FMD %s long support foot", lName));
-
+
+
+ //------------------------------------------------------------------
+ // Placement of module volumes in assemblies
+ TArrayD xfs(3);
+ TArrayD yfs(3);
+ for (Int_t i = 0; i < 3; i++) {
+ TVector2* vv = r->GetFootPosition(i);
+ // TVector2 uu = vv->Rotate(TMath::Pi()/2);
+ xfs[i] = vv->Y();
+ yfs[i] = vv->X();
+ }
+
// Back container volume
TGeoVolume* backVolume = new TGeoVolumeAssembly(Form(fgkBackVName, id));
backVolume->SetTitle(Form("FMD %s back module", lName));
- Double_t x = 0;
- Double_t y = 0;
- Double_t z = siThick / 2;
- backVolume->AddNode(sensorVolume, 0, new TGeoTranslation(x, y, z));
- z += siThick / 2 + space + pcbThick / 2;
- backVolume->AddNode(pcbVolume, 0, new TGeoTranslation(x,y,z));
- z += (pcbThick + cuThick) / 2;
- backVolume->AddNode(cuVolume, 0, new TGeoTranslation(0, 0, z));
- z += (cuThick + chipThick) / 2;
- backVolume->AddNode(chipVolume, 0, new TGeoTranslation(0, 0, z));
- x = a->X() + legoff + legr;
- y = 0;
- z += pcbThick / 2 + legl / 2;
- backVolume->AddNode(shortLegVolume, 0, new TGeoTranslation(x,y,z));
- x = c->X();
- y = c->Y() - legoff - legr - off;
- backVolume->AddNode(shortLegVolume, 1, new TGeoTranslation(x,y,z));
- y = -y;
- backVolume->AddNode(shortLegVolume, 2, new TGeoTranslation(x,y,z));
-
- // Front container volume
TGeoVolume* frontVolume = new TGeoVolumeAssembly(Form(fgkFrontVName, id));
frontVolume->SetTitle(Form("FMD %s front module", lName));
- x = 0;
- y = 0;
- z = siThick / 2;
- frontVolume->AddNode(sensorVolume, 0, new TGeoTranslation(x, y, z));
- z += siThick / 2 + space + pcbThick / 2;
- frontVolume->AddNode(pcbVolume, 0, new TGeoTranslation(x,y,z));
- z += (pcbThick + cuThick) / 2;
- frontVolume->AddNode(cuVolume, 0, new TGeoTranslation(0, 0, z));
- z += (cuThick + chipThick) / 2;
- frontVolume->AddNode(chipVolume, 0, new TGeoTranslation(0, 0, z));
- x = a->X() + legoff + legr;
- y = 0;
- z += pcbThick / 2 + (legl + modSpace)/ 2;
- frontVolume->AddNode(longLegVolume, 0, new TGeoTranslation(x,y,z));
- x = c->X();
- y = c->Y() - legoff - legr - off;
- frontVolume->AddNode(longLegVolume, 1, new TGeoTranslation(x,y,z));
- y = -y;
- frontVolume->AddNode(longLegVolume, 2, new TGeoTranslation(x,y,z));
+ Double_t space = r->GetSpacing();
+ Double_t x = 0;
+ Double_t y = 0;
+ Double_t zb = siThick / 2;
+ Double_t zf = siThick / 2;
+ backVolume->AddNode(sensorVolume, 0, new TGeoTranslation(x, y, zb));
+ frontVolume->AddNode(sensorVolume, 0, new TGeoTranslation(x, y, zf));
+ zb += siThick / 2 + space + pcbThick / 2;
+ zf += siThick / 2 + space + pcbThick / 2;
+ backVolume->AddNode(pcbVolume, 0, new TGeoTranslation(x, y, zb));
+ frontVolume->AddNode(pcbVolume, 0, new TGeoTranslation(x, y, zf));
+ zb += (pcbThick + cuThick) / 2;
+ zf += (pcbThick + cuThick) / 2;
+ backVolume->AddNode(cuVolume, 0, new TGeoTranslation(0, 0, zf));
+ frontVolume->AddNode(cuVolume, 0, new TGeoTranslation(0, 0, zb));
+ zb += (cuThick + chipThick) / 2;
+ zf += (cuThick + chipThick) / 2;
+ backVolume->AddNode(chipVolume, 0, new TGeoTranslation(0, 0, zb));
+ frontVolume->AddNode(chipVolume, 0, new TGeoTranslation(0, 0, zf));
+ zb += pcbThick / 2 + (legl)/ 2 - lege;
+ zf += pcbThick / 2 + (legl + modSpace)/ 2 - lege;
+ for (Int_t i = 0; i < 3; i++) {
+ x = xfs[i]; // a->X() + legoff + legr;
+ y = yfs[i]; // 0;
+ backVolume->AddNode(shortLegVolume, i, new TGeoTranslation(x,y,zb));
+ frontVolume->AddNode(longLegVolume, i, new TGeoTranslation(x,y,zf));
+ }
+ //------------------------------------------------------------------
// FMDD
Double_t ddlr = r->GetFMDDLowR();
Double_t ddhr = r->GetFMDDHighR();
Double_t ddit = r->GetFMDDChipThickness();
Double_t ddt = ddpt + ddct + ddit;
- TGeoShape* fmddPcbShape = new TGeoTubeSeg(ddlr, ddhr, ddpt/2,0,180);
- TGeoShape* fmddCuShape = new TGeoTubeSeg(ddlr, ddhr, ddct/2,0,180);
- TGeoShape* fmddChipShape = new TGeoTubeSeg(ddlr, ddhr, ddit/2,0,180);
- fmddPcbShape->SetName(Form(fgkFMDDPCBName, id));
- fmddCuShape->SetName(Form(fgkFMDDCuName, id));
- fmddChipShape->SetName(Form(fgkFMDDChipName, id));
- if (id == 'O' || id == 'o') {
- TString pcbName(fmddPcbShape->GetName());
- TString cuName(fmddCuShape->GetName());
- TString chipName(fmddChipShape->GetName());
-
- fmddPcbShape->SetName(Form("%s_inner", pcbName.Data()));
- fmddCuShape->SetName(Form("%s_inner", cuName.Data()));
- fmddChipShape->SetName(Form("%s_inner", chipName.Data()));
- new TGeoBBox(Form("%s_clip", pcbName.Data()), ddlr+3, ddhr/2, ddpt);
- new TGeoBBox(Form("%s_clip", cuName.Data()), ddlr+3, ddhr/2, ddpt);
- new TGeoBBox(Form("%s_clip", chipName.Data()),ddlr+3, ddhr/2, ddpt);
- TGeoTranslation* trans = new TGeoTranslation(Form("%s_trans",
- pcbName.Data()),
- 0, ddhr/2, 0);
- trans->RegisterYourself();
- fmddPcbShape = new TGeoCompositeShape(pcbName.Data(),
- Form("%s_inner*%s_clip:%s_trans",
- pcbName.Data(),
- pcbName.Data(),
- pcbName.Data()));
- fmddCuShape = new TGeoCompositeShape(cuName.Data(),
- Form("%s_inner*%s_clip:%s_trans",
- cuName.Data(),
- cuName.Data(),
- pcbName.Data()));
- fmddChipShape = new TGeoCompositeShape(chipName.Data(),
- Form("%s_inner*%s_clip:%s_trans",
- chipName.Data(),
- chipName.Data(),
- pcbName.Data()));
+ TString pcbdName(Form(fgkFMDDPCBName, id));
+ TString cudName(Form(fgkFMDDCuName, id));
+ TString chipdName(Form(fgkFMDDChipName, id));
+ new TGeoTubeSeg(Form("%s_inner", pcbdName.Data()), ddlr, ddhr, ddpt/2,0,180);
+ new TGeoTubeSeg(Form("%s_inner", cudName.Data()), ddlr, ddhr, ddct/2,0,180);
+ new TGeoTubeSeg(Form("%s_inner", chipdName.Data()), ddlr, ddhr, ddit/2,0,180);
+
+ Double_t clipWX = 0;
+ Double_t clipWY = 0;
+ Double_t clipY = 1;
+
+ if (rng == 'I') {
+ clipWX = ddhr;
+ clipWY = ddhr/2;
+ }
+ else {
+ clipWX = ddlr+3;
+ clipWY = ddhr/2;
}
+
+ new TGeoBBox(Form("%s_clip", pcbdName.Data()), clipWX, clipWY, ddpt);
+ new TGeoBBox(Form("%s_clip", cudName.Data()), clipWX, clipWY, ddct);
+ new TGeoBBox(Form("%s_clip", chipdName.Data()),clipWX, clipWY, ddit);
+ TGeoTranslation* trans = new TGeoTranslation(Form("%s_trans",
+ pcbdName.Data()),
+ 0, clipWY+clipY, 0);
+ trans->RegisterYourself();
+ TGeoShape* fmddPcbShape =
+ new TGeoCompositeShape(pcbdName.Data(),
+ Form("%s_inner*%s_clip:%s_trans",
+ pcbdName.Data(),
+ pcbdName.Data(),
+ pcbdName.Data()));
+ TGeoShape* fmddCuShape =
+ new TGeoCompositeShape(cudName.Data(),
+ Form("%s_inner*%s_clip:%s_trans",
+ cudName.Data(),
+ cudName.Data(),
+ pcbdName.Data()));
+ TGeoShape* fmddChipShape =
+ new TGeoCompositeShape(chipdName.Data(),
+ Form("%s_inner*%s_clip:%s_trans",
+ chipdName.Data(),
+ chipdName.Data(),
+ pcbdName.Data()));
fmddPcbShape->SetTitle(Form("FMD %s digitiser PCB", lName));
fmddCuShape->SetTitle(Form("FMD %s digitiser copper", lName));
fmddChipShape->SetTitle(Form("FMD %s digitiser chip", lName));
- TGeoVolume* fmddPcbVolume = new TGeoVolume(Form(fgkFMDDPCBName, id),
+ TString fmddPcbName = TString::Format(fgkFMDDPCBName, id);
+ TGeoVolume* fmddPcbVolume = new TGeoVolume(fmddPcbName,
fmddPcbShape, fPCB);
- TGeoVolume* fmddCuVolume = new TGeoVolume(Form(fgkFMDDCuName, id),
+ TString fmddCuName = TString::Format(fgkFMDDCuName, id);
+ TGeoVolume* fmddCuVolume = new TGeoVolume(fmddCuName,
fmddCuShape, fCopper);
- TGeoVolume* fmddChipVolume= new TGeoVolume(Form(fgkFMDDChipName, id),
+ TString fmddChipName = TString::Format(fgkFMDDChipName, id);
+ TGeoVolume* fmddChipVolume = new TGeoVolume(fmddChipName,
fmddChipShape, fChip);
fmddPcbVolume->SetTitle(Form("FMD %s digitiser PCB", lName));
fmddCuVolume->SetTitle(Form("FMD %s digitiser copper", lName));
fmddChipVolume->SetTitle(Form("FMD %s digitiser chip", lName));
+ //------------------------------------------------------------------
// Half ring mother volumes.
TGeoVolume* ringTopVolume = new TGeoVolumeAssembly(Form(fgkRingTopName,id));
TGeoVolume* ringBotVolume = new TGeoVolumeAssembly(Form(fgkRingBotName,id));
ringTopVolume->SetTitle(Form("FMD %s top half-ring", lName));
ringBotVolume->SetTitle(Form("FMD %s bottom half-ring", lName));
+ //------------------------------------------------------------------
// Adding modules to half-rings
Int_t nmod = r->GetNModules();
AliFMDDebug(10, ("making %d modules in ring %c", nmod, id));
for (Int_t i = 0; i < nmod; i++) {
if (i == nmod / 2) halfRing = ringBotVolume;
- Bool_t front = (i % 2 == 0);
+ Bool_t front = (i % 2 == (rng == 'I' ? 1 : 0));
TGeoVolume* vol = (front ? frontVolume : backVolume);
// vol->AddNode(sensorVolume, i, new TGeoTranslation(0,0,siThick/2));
- Double_t z1 = (i % 2) * modSpace;
+ Double_t z1 = (front ? -1 : 1) * modSpace / 2;
+ // Double_t z1 = (front ? 0 : modSpace);
Double_t th = (2 * i + 1) * theta;
TGeoMatrix* mat1 = new TGeoCombiTrans(0,0,z1,0);
mat1->RotateZ(th);
mat1->SetName(Form("FMD%c_module_%02d", id, i));
mat1->SetTitle(Form("FMD %s module %2d matrix", lName, i));
halfRing->AddNode(vol, i, mat1);
-#if 0
- Double_t z2 = z1 + siThick / 2 + space;
- Double_t th = (2 * i + 1) * theta;
- AliFMDDebug(20, ("Placing copy %d of %s and %s in %s at z=%f and %f, "
- "and theta=%f", i, sensorVolume->GetName(),
- vol->GetName(), halfRing->GetName(), z1, z2, th));
- TGeoMatrix* mat1 = new TGeoCombiTrans(0,0,z1,0);
- mat1->RotateZ(th);
- halfRing->AddNode(sensorVolume, i, mat1);
- TGeoMatrix* mat2 = new TGeoCombiTrans(0,0,z2,0);
- mat2->RotateZ(th);
- halfRing->AddNode(vol, i, mat2);
-#endif
}
+ //------------------------------------------------------------------
// Add the FMDD
Double_t zi = r->GetFullDepth() - ddt;
Int_t n = 2;
TGeoRotation* rot = new TGeoRotation(Form("FMDD%c rotation %d", id, i));
rot->RotateZ(phi);
rot->SetTitle(Form("FMD %s digitiser rotation %2d", lName, i));
- z = zi + ddpt / 2;
+ Double_t z = zi + ddpt / 2;
halfRing->AddNode(fmddPcbVolume, i, new TGeoCombiTrans(0,0,z,rot));
z += (ddpt + ddct) / 2;
halfRing->AddNode(fmddCuVolume, i, new TGeoCombiTrans(0,0,z,rot));
return 0;
}
+
//____________________________________________________________________
TGeoShape*
AliFMDGeometryBuilder::HoneycombShape(Int_t id, Char_t ring,
return shape;
}
+//____________________________________________________________________
+TGeoVolume*
+AliFMDGeometryBuilder::TensionBox()
+{
+ //
+ // Get the tension box volume
+ //
+ //
+ // Return:
+ //
+ //
+ static TGeoVolumeAssembly* tensionBox = 0;
+ if (tensionBox) return tensionBox;
+
+ TGeoBBox* tensionEndS = new TGeoBBox("FMD_tension_end", .6, 3, .25);
+ TGeoBBox* tensionTopS = new TGeoBBox("FMD_tension_top", .1, .5, 3.5);
+ TGeoVolume* tensionEndV = new TGeoVolume("FMD_tension_end", tensionEndS,fAl);
+ TGeoVolume* tensionTopV = new TGeoVolume("FMD_tension_top", tensionTopS,fAl);
+ tensionBox = new TGeoVolumeAssembly("FMD_tension_box");
+ tensionBox->AddNode(tensionEndV, 1, new TGeoTranslation(.6, 0, -3.75));
+ tensionBox->AddNode(tensionEndV, 2, new TGeoTranslation(.6, 0, +3.75));
+ tensionBox->AddNode(tensionTopV, 1, new TGeoTranslation(0.1, +2.5, 0));
+ tensionBox->AddNode(tensionTopV, 2, new TGeoTranslation(0.1, -2.5, 0));
+ tensionBox->AddNode(tensionTopV, 3, new TGeoTranslation(1.1, +2.5, 0));
+ tensionBox->AddNode(tensionTopV, 4, new TGeoTranslation(1.1, -2.5, 0));
+ return tensionBox;
+}
+
//____________________________________________________________________
TGeoVolume*
-AliFMDGeometryBuilder::DetectorGeometry(AliFMDDetector* d,
+AliFMDGeometryBuilder::DetectorGeometry(const AliFMDDetector* d,
TGeoVolume* topMother,
TGeoVolume* botMother,
Double_t zMother,
// Place ring in mother volume
// TGeoMatrix*matrix=new TGeoTranslation(Form("FMD%d%c trans",id,c),0,0,0);
- AliFMDDebug(1, ("Placing volumes %s and %s in %s and %s at z=%f",
+ AliFMDDebug(2, ("Placing volumes %s and %s in %s and %s at z=%f",
tvol->GetName(), bvol->GetName(),
topMother->GetName(), botMother->GetName(), z));
topMother->AddNode(tvol, Int_t(c), new TGeoTranslation(0,0,z));
TGeoVolume* hcVol = new TGeoVolume(Form(fgkHCName,id,c),hcSha,fAl);
hcVol->SetTitle(Form("FMD%d%c honeycomb shell", id, c));
- z += (r->GetSiThickness() +
- r->GetSpacing() +
- r->GetPrintboardThickness() +
- r->GetCopperThickness() +
- r->GetChipThickness() +
- r->GetModuleSpacing() +
- r->GetLegLength() +
- r->GetHoneycombThickness() +
- r->GetFMDDPrintboardThickness() -
- hcThick / 2);
+ z += (r->GetModuleDepth()
+ + r->GetModuleSpacing() / 2
+ + r->GetHoneycombThickness() / 2);
AliFMDDebug(15, ("Placing a copy of %s in %s and %s at z=%f",
hcVol->GetName(), topMother->GetName(),
//____________________________________________________________________
TGeoVolume*
-AliFMDGeometryBuilder::FMD1Geometry(AliFMD1* fmd1,
+AliFMDGeometryBuilder::FMD1Geometry(const AliFMD1* fmd1,
TGeoVolume* innerTop,
TGeoVolume* innerBot)
{
if (!fmd1 || !innerTop || !innerBot) return 0;
AliFMDRing* r = fmd1->GetInner();
Double_t z = fmd1->GetInnerZ();
- Double_t disce = 2;
- Double_t backlr = fmd1->GetInnerHoneyHighR();
- Double_t backhr = fmd1->GetInnerHoneyHighR()+5;
- Double_t backth = 0.2;
- Double_t toplr = r->GetLowR();
- Double_t tophr = fmd1->GetInnerHoneyHighR()+disce;
- Double_t wallbh = (r->GetFullDepth() + disce);
- Double_t wallth = wallbh+0.1;
- TGeoVolume* fmd1TopVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd1->GetId(), 'T'));
+ // `Top' or `Outside' master volume
+ TString fmd1TopName = TString::Format(fgkFMDName, fmd1->GetId(), 'T');
+ TGeoVolume* fmd1TopVolume = new TGeoVolumeAssembly(fmd1TopName);
fmd1TopVolume->SetTitle("FMD1 top half");
- TGeoVolume* fmd1BotVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd1->GetId(), 'B'));
+
+ // `Bottom' or `Inside' master volume
+ TString fmd1BotName = TString::Format(fgkFMDName, fmd1->GetId(), 'B');
+ TGeoVolume* fmd1BotVolume = new TGeoVolumeAssembly(fmd1BotName);
fmd1BotVolume->SetTitle("FMD1 bottom half");
// Basic detector geometry
DetectorGeometry(fmd1, fmd1TopVolume, fmd1BotVolume, z,
innerTop, innerBot, 0, 0);
-
- // Back
- TGeoTubeSeg* backShape = new TGeoTubeSeg(backlr, backhr, backth / 2, 0, 180);
- TGeoTubeSeg* wallbShape = new TGeoTubeSeg(backlr, backlr + backth,
- wallbh/2, 0, 180);
- TGeoTubeSeg* topShape = new TGeoTubeSeg(toplr, tophr, backth / 2, 0, 180);
- TGeoTubeSeg* walltShape = new TGeoTubeSeg(tophr, tophr + backth,
- wallth/2, 0, 180);
- TGeoVolume* backVolume = new TGeoVolume(Form(fgkBackName, fmd1->GetId()),
- backShape, fC);
- TGeoVolume* wallbVolume= new TGeoVolume(Form(fgkFlangeName, fmd1->GetId()),
- wallbShape, fC);
- TGeoVolume* topVolume = new TGeoVolume(Form(fgkTopName, fmd1->GetId()),
- topShape, fC);
- TGeoVolume* walltVolume= new TGeoVolume(Form(fgkBeamName, fmd1->GetId()),
- walltShape, fC);
- backShape->SetName(Form(fgkBackName, fmd1->GetId()));
- wallbShape->SetName(Form(fgkFlangeName, fmd1->GetId()));
- topShape->SetName(Form(fgkTopName, fmd1->GetId()));
- walltShape->SetName(Form(fgkBeamName, fmd1->GetId()));
- backShape->SetTitle("FMD1 back saucer rim");
- wallbShape->SetTitle("FMD1 back saucer wall");
- topShape->SetTitle("FMD1 top lid");
- walltShape->SetTitle("FMD1 top lid wall");
- backVolume->SetFillColor(kGray);
- topVolume->SetFillColor(kGray);
- wallbVolume->SetFillColor(kGray);
- walltVolume->SetFillColor(kGray);
- backVolume->SetTitle("FMD1 back saucer rim");
- wallbVolume->SetTitle("FMD1 back saucer wall");
- topVolume->SetTitle("FMD1 top lid");
- walltVolume->SetTitle("FMD1 top lid wall");
+ Double_t lidP[][3] = { { 0.00, 4.20, 20.95 },
+ { 0.15, 4.20, 20.95 },
+ { 0.15, 20.80, 20.95 },
+ { 3.00, 20.80, 20.95 },
+ { 3.00, 20.80, 22.30 },
+ { 3.15, 20.80, 22.30 },
+ { 3.15, 20.95, 24.65 },
+ { 3.30, 20.95, 24.65 },
+ { 3.30, 24.50, 24.65 },
+ { 6.80, 24.50, 24.65 },
+ { 6.80, 24.50, 26.00 },
+ { 6.95, 24.50, 26.00 } };
+ Double_t lidZStart = lidP[11][0];
+ TGeoPcon* lidBaseS = new TGeoPcon("FMD1_lid_base", 0, 180, 12);
+ for (size_t i = 0; i < 12; i++)
+ lidBaseS->DefineSection(i, lidP[i][0] - lidZStart, lidP[i][1], lidP[i][2]);
- // Place volumes
- Double_t zb = TMath::Abs(fmd1->GetInnerZ() - z);
- Double_t zi = zb;
- Int_t n = 2;
- // Place top cover
- zi -= disce / 2 + backth / 2;
- zb = zi;
- for (Int_t i = 0; i < 2; i++) {
- TGeoVolume* mother = (i == 0 ? fmd1TopVolume : fmd1BotVolume);
- Double_t phi = 360. / n * i;
- TGeoRotation* rot = new TGeoRotation(Form("FMD1 top rotation %d",i));
- rot->RotateZ(phi);
- TGeoMatrix* matrix = new TGeoCombiTrans(Form("FMD1 top wall trans %d", i),
- 0, 0, zi, rot);
- mother->AddNode(topVolume, i, matrix);
- }
- // Place outer wall
- zi += wallth / 2 + backth / 2;
- for (Int_t i = 0; i < 2; i++) {
- TGeoVolume* mother = (i == 0 ? fmd1TopVolume : fmd1BotVolume);
- Double_t phi = 360. / n * i;
- TGeoRotation* rot = new TGeoRotation(Form("FMD1 outer wall rotation %d",
- i));
- rot->RotateZ(phi);
- TGeoMatrix* matrix = new TGeoCombiTrans(Form("FMD1 outer wall trans %d",
- i), 0, 0, zi, rot);
- mother->AddNode(walltVolume, i, matrix);
- }
- // Place back
- zi += wallth / 2 + backth / 2; // + disce / 2;
- for (Int_t i = 0; i < 2; i++) {
- TGeoVolume* mother = (i == 0 ? fmd1TopVolume : fmd1BotVolume);
- Double_t phi = 360. / n * i;
- TGeoRotation* rot = new TGeoRotation(Form("FMD1 back rotation %d", i));
- rot->RotateZ(phi);
- TGeoMatrix* matrix = new TGeoCombiTrans(Form("FMD1 back trans %d", i),
- 0, 0, zi, rot);
- mother->AddNode(backVolume, i, matrix);
+ Double_t lidH[][2] = { { 7.84903, 24.15680 },
+ { 20.54900, 14.92970 },
+ { 21.99700, 12.70000 },
+ { 25.26090, 2.65502 } };
+ Double_t lidHR = .53 / 2;
+ Double_t lidHL = 0.16;
+
+ new TGeoTube("FMD1_lid_hole", 0, lidHR, lidHL/2);
+ TString lidComp("FMD1_lid_base-(");
+ TGeoTranslation* trans = 0;
+ for (size_t i = 0; i < 4; i++) {
+ trans = new TGeoTranslation(-lidH[i][0], lidH[i][1], /*6.95*/-lidHL/2);
+ trans->SetName(Form("FMD1_lid_hole_mat%d", int(2*i+0)));
+ trans->RegisterYourself();
+ trans = new TGeoTranslation(+lidH[i][0], lidH[i][1], /*6.95*/-lidHL/2);
+ trans->SetName(Form("FMD1_lid_hole_mat%d", int(2*i+1)));
+ trans->RegisterYourself();
+ lidComp.Append(Form("FMD1_lid_hole:FMD1_lid_hole_mat%d+"
+ "FMD1_lid_hole:FMD1_lid_hole_mat%d%c",
+ int(2 * i), int(2 * i + 1), int(i == 3 ? ')' : '+')));
}
- // Place inner wall
- zi -= wallbh / 2 + backth / 2; // + disce / 2;
+ TGeoCompositeShape* lidS = new TGeoCompositeShape(lidComp.Data());
+ lidS->SetName("FMD1_lid");
+ TGeoVolume* lidV = new TGeoVolume("FMD1_lid", lidS, fC);
+ lidV->SetTransparency(63);
+
+ // Place top cover
+ Double_t lidZ = (lidZStart -
+ (3.3 - r->GetModuleDepth() - r->GetModuleSpacing() / 2));
+ AliFMDDebug(1, ("FMD1 lid offset in Z=%f", lidZ));
+
for (Int_t i = 0; i < 2; i++) {
TGeoVolume* mother = (i == 0 ? fmd1TopVolume : fmd1BotVolume);
- Double_t phi = 360. / n * i;
- TGeoRotation* rot = new TGeoRotation(Form("FMD1 inner wall rotation %d",
- i));
+ Double_t phi = 360. / 2 * i;
+ TGeoRotation* rot = new TGeoRotation(Form("FMD1_lid_rot%d",i));
rot->RotateZ(phi);
- TGeoMatrix* matrix = new TGeoCombiTrans(Form("FMD1 inner wall trans %d",
- i), 0, 0, zi, rot);
- mother->AddNode(wallbVolume, i, matrix);
+ TGeoMatrix* matrix = new TGeoCombiTrans(Form("FMD1_lid_mat%d", i),
+ 0, 0, lidZ, rot);
+ mother->AddNode(lidV, i, matrix);
}
-
// Must add this after filling the assembly.
TGeoVolume* top = gGeoManager->GetVolume("ALIC");
// TGeoMatrix* matrix = new TGeoTranslation("FMD1 trans", 0, 0, z);
TGeoRotation* rot = new TGeoRotation("FMD1 rotatation");
- rot->RotateZ(-90);
+ rot->RotateZ(90);
TGeoMatrix* matrix = new TGeoCombiTrans("FMD1 trans", 0, 0, z, rot);
+
AliFMDDebug(5, ("Placing volumes %s and %s in ALIC at z=%f",
fmd1TopVolume->GetName(), fmd1BotVolume->GetName(), z));
top->AddNode(fmd1TopVolume, fmd1->GetId(), matrix);
top->AddNode(fmd1BotVolume, fmd1->GetId(), matrix);
+
+ // Survey points on V0A (screw holes for the FMD)
+ const Double_t icb[] = { +12.700, -21.997, 324.670 };
+ const Double_t ict[] = { +12.700, +21.997, 324.670 };
+ const Double_t ocb[] = { -12.700, -21.997, 324.670 };
+ const Double_t oct[] = { -12.700, +21.997, 324.670 };
+
+ TGeoTube* surveyShape = new TGeoTube("FMD1_survey_marker",
+ 0, .2, .001);
+
+ TGeoMatrix* outMat = matrix;
+#if 0
+ if (gGeoManager->cd("/ALIC_1/F1MT_1"))
+ outMat = gGeoManager->GetCurrentMatrix();
+ else
+ AliWarning("Couldn't cd to /ALIC_1/F1MT_1");
+#endif
+
+ Double_t loct[3], locb[3];
+ outMat->MasterToLocal(oct, loct);
+ outMat->MasterToLocal(ocb, locb);
+ TGeoVolume* vOct = new TGeoVolume("V0L_OCT", surveyShape, fPlastic);
+ TGeoVolume* vOcb = new TGeoVolume("V0L_OCB", surveyShape, fPlastic);
+
+ fmd1TopVolume->AddNode(vOct, 1, new TGeoTranslation(loct[0],loct[1],loct[2]));
+ fmd1TopVolume->AddNode(vOcb, 1, new TGeoTranslation(locb[0],locb[1],locb[2]));
+
+
+ TGeoMatrix* inMat = matrix;
+#if 0
+ if (gGeoManager->cd("/ALIC_1/F1MT_1"))
+ inMat = gGeoManager->GetCurrentMatrix();
+ else
+ AliWarning("Couldn't cd to /ALIC_1/F1MT_1");
+#endif
+
+ Double_t lict[3], licb[3];
+ inMat->MasterToLocal(ict, lict);
+ inMat->MasterToLocal(icb, licb);
+ TGeoVolume* vIct = new TGeoVolume("V0L_ICT", surveyShape, fPlastic);
+ TGeoVolume* vIcb = new TGeoVolume("V0L_ICB", surveyShape, fPlastic);
+
+ fmd1BotVolume->AddNode(vIct, 1, new TGeoTranslation(lict[0],lict[1],lict[2]));
+ fmd1BotVolume->AddNode(vIcb, 1, new TGeoTranslation(licb[0],licb[1],licb[2]));
+
return 0;
}
//____________________________________________________________________
TGeoVolume*
-AliFMDGeometryBuilder::FMD2Geometry(AliFMD2* fmd2,
+AliFMDGeometryBuilder::FMD2Geometry(const AliFMD2* fmd2,
TGeoVolume* innerTop,
TGeoVolume* innerBot,
TGeoVolume* outerTop,
// See also AliFMDGeometryBuilder::DetectorGeometry
//
if (!fmd2 || !innerTop || !innerBot || !outerTop || !outerBot) return 0;
- AliFMDRing* r = fmd2->GetOuter();
+ AliFMDRing* ring = fmd2->GetOuter();
Double_t z = fmd2->GetOuterZ();
- Double_t framelr = fmd2->GetOuterHoneyHighR()+0.5;
- Double_t framehr = fmd2->GetOuterHoneyHighR()+1.8;
- Double_t framelz = -.5;
- Double_t framehz = (fmd2->GetInnerZ()-z) + r->GetFullDepth() + .5;
- Double_t framel = framehz - framelz;
- Double_t coverlr = fmd2->GetInner()->GetLowR()+1;
- Double_t backth = 0.05;
-
- TGeoVolume* fmd2TopVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd2->GetId(), 'T'));
- TGeoVolume* fmd2BotVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd2->GetId(), 'B'));
+ Double_t framelr = 32.01; // fmd2->GetOuterHoneyHighR()+0.5;
+ Double_t framehr = 33.611; // fmd2->GetOuterHoneyHighR()+1.8;
+ Double_t framel = 14.8; // framehz - framelz;
+ // Double_t backth = 0.3;
+ Double_t backth = 0.03;
+ Double_t framelz = -(2.38
+ - ring->GetModuleDepth()
+ - ring->GetModuleSpacing() / 2);
+ // Double_t framelz = -0.8;
+ // Double_t framehz = framelz + backth + framel;
+ Double_t coverlr = 4.3; // fmd2->GetInner()->GetLowR()+1;
+ Double_t coverhr = framehr; // - 1;
+
+ TString fmd2TopName = TString::Format(fgkFMDName, fmd2->GetId(), 'T');
+ TGeoVolume* fmd2TopVolume = new TGeoVolumeAssembly(fmd2TopName);
+ TString fmd2BotName = TString::Format(fgkFMDName, fmd2->GetId(), 'B');
+ TGeoVolume* fmd2BotVolume = new TGeoVolumeAssembly(fmd2BotName);
fmd2TopVolume->SetTitle("FMD2 top half");
fmd2BotVolume->SetTitle("FMD2 bottom half");
DetectorGeometry(fmd2, fmd2TopVolume, fmd2BotVolume, z,
innerTop, innerBot, outerTop, outerBot);
+ TGeoVolumeAssembly* support = new TGeoVolumeAssembly("FMD2_support");
TGeoShape* cylinderShape = new TGeoTubeSeg(framelr,framehr,framel/2,0,180);
TGeoVolume* cylinderVolume = new TGeoVolume(Form(fgkBackName, fmd2->GetId()),
cylinderShape, fC);
- TGeoShape* coverShape = new TGeoTubeSeg(coverlr,framehr,backth/2,0,180);
+ TGeoShape* coverShape = new TGeoTubeSeg(coverlr,coverhr,backth/2,0,180);
TGeoVolume* coverVolume = new TGeoVolume(Form(fgkTopName, fmd2->GetId()),
coverShape, fC);
cylinderShape->SetName(Form(fgkBackName, fmd2->GetId()));
coverVolume->SetTitle("FMD2 cover");
coverVolume->SetTransparency(63);
- for (Int_t i = 0; i < 2; i++) {
- TGeoVolume* mother = (i == 0 ? fmd2TopVolume : fmd2BotVolume);
-
- Double_t phi = 360. / 2 * i;
- TGeoRotation* rot = new TGeoRotation(Form("FMD2 support rot %d",i));
- rot->RotateZ(phi);
- TGeoMatrix* matrix = new TGeoCombiTrans(Form("FMD2 cyl trans %d", i),
- 0, 0, framelz+framel/2, rot);
- mother->AddNode(cylinderVolume, i, matrix);
- matrix = new TGeoCombiTrans(Form("FMD2 fcov trans %d", i),
- 0, 0, framelz-backth/2, rot);
- mother->AddNode(coverVolume, 2*i+0, matrix);
- matrix = new TGeoCombiTrans(Form("FMD2 bcov trans %d", i),
- 0, 0, framelz+framel+backth/2,
- rot);
- mother->AddNode(coverVolume, 2*i+1, matrix);
- }
+ TGeoTranslation* trans = 0;
+ support->AddNode(coverVolume,1, new TGeoTranslation(0,0,backth/2));
+ support->AddNode(cylinderVolume, 1, new TGeoTranslation(0,0,backth+framel/2));
+
+ Double_t f1l = 15.6085;
+ Double_t f1w = 6;
+ Double_t f1d = 1;
+ Int_t nFiducialHoles = 4;
+ Double_t precHoles[][2] = { { 32.4948, 29.6663 },
+ { 33.9104, 31.0819 },
+ { 34.8177, 33.4035 },
+ { 35.5028, 32.6744 } };
+ Double_t precRadius = .25;
+ Double_t flangeA = TMath::Pi()/4;
+
+ new TGeoBBox("FMD2_flange_base", f1l/2, f1w/2, f1d/2);
+ new TGeoTube("FMD2_fiducial_hole", 0, precRadius, f1d/2+.1);
+ Double_t flangeX = framehr + f1l/2;
+ TVector2 flangeC(flangeX * TMath::Cos(flangeA),
+ flangeX * TMath::Sin(flangeA));
+ TString flangeComb("FMD2_flange_base-(");
+ new TGeoBBox("FMD2_flange_slit", 7./2, 1.5/2, f1d/2+.1);
+ trans = new TGeoTranslation(-f1l/2+1+7./2, +.5+1.5/2, 0);
+ trans->SetName("FMD2_flange_slit_mat1");
+ trans->RegisterYourself();
+ trans = new TGeoTranslation(-f1l/2+1+7./2, -.5-1.5/2, 0);
+ trans->SetName("FMD2_flange_slit_mat2");
+ trans->RegisterYourself();
+ flangeComb.Append("FMD2_flange_slit:FMD2_flange_slit_mat1+"
+ "FMD2_flange_slit:FMD2_flange_slit_mat2+");
+ for (Int_t i = 0; i < nFiducialHoles; i++) {
+ TVector2 v(precHoles[i][0], precHoles[i][1]);
+ v -= flangeC;
+ TVector2 r = v.Rotate(-flangeA);
+ TGeoTranslation* t1 = new TGeoTranslation(r.X(), r.Y(), 0);
+ TGeoTranslation* t2 = new TGeoTranslation(r.X(), -r.Y(), 0);
+ t1->SetName(Form("FMD2_fiducial_hole_rot%d", 2*i+0));
+ t2->SetName(Form("FMD2_fiducial_hole_rot%d", 2*i+1));
+ t1->RegisterYourself();
+ t2->RegisterYourself();
+ flangeComb.Append(Form("FMD2_fiducial_hole:FMD2_fiducial_hole_rot%d+"
+ "FMD2_fiducial_hole:FMD2_fiducial_hole_rot%d%c",
+ 2*i+0, 2*i+1, (i == nFiducialHoles-1 ? ')' : '+')));
+ }
+ // Final flange shape, and at to full shape
+ TGeoCompositeShape* flangeS = new TGeoCompositeShape(flangeComb.Data());
+ flangeS->SetName("FMD2_flange");
+ TGeoVolume* flangeV = new TGeoVolume("FMD2_flange", flangeS, fAl);
+
+ Double_t f2l = 7;
+ Double_t f2d = 12.5;
+ Double_t f2w = 1;
- Double_t f1l = 10;
- Double_t f1w = 6;
- Double_t f1d = 1;
+ new TGeoBBox("FMD2_flange_spacer_base", f2l/2, f2w/2, f2d/2);
+ new TGeoTube("FMD2_flange_spacer_hole", 0, 2.5, f2w/2+.1);
+ TGeoRotation* holeRot = new TGeoRotation();
+ holeRot->RotateY(90);
+ holeRot->RotateZ(90);
+ TGeoCombiTrans* combo = 0;
+ combo = new TGeoCombiTrans(0, 0, f2d/2-.5-2.5, holeRot);
+ combo->SetName("FMD2_flange_spacer_hole_mat1");
+ combo->RegisterYourself();
+ combo = new TGeoCombiTrans(0, 0, -f2d/2+.5+2.5, holeRot);
+ combo->SetName("FMD2_flange_spacer_hole_mat2");
+ combo->RegisterYourself();
+ TString spacerComp("FMD2_flange_spacer_base-("
+ "FMD2_flange_spacer_hole:FMD2_flange_spacer_hole_mat1+"
+ "FMD2_flange_spacer_hole:FMD2_flange_spacer_hole_mat2)");
+ TGeoCompositeShape* spacerS = new TGeoCompositeShape(spacerComp.Data());
+ TGeoVolume* spacerV = new TGeoVolume("FMD2_flange_spacer",
+ spacerS, fAl);
+
+ Double_t extraL = framehr-framelr;
+ TGeoBBox* extraS = new TGeoBBox("FMD2_flange_extra",
+ extraL/2, f1w/2, f1d/2);
+ TGeoVolume* extraV = new TGeoVolume("FMD2_flange_extra", extraS,fAl);
+ TGeoVolumeAssembly* wingV = new TGeoVolumeAssembly("FMD2_wing");
+ TGeoVolume* tension = TensionBox();
+ TGeoTube* wireS = new TGeoTube(0, .05, (framehr-coverlr)/2);
+ TGeoVolume* wireV = new TGeoVolume("FMD2_tension_wire",
+ wireS, fSteel);
+ wingV->AddNode(flangeV, 1, new TGeoTranslation(f1l/2, 0, f1d/2));
+ wingV->AddNode(flangeV, 2, new TGeoTranslation(f1l/2, 0, -f2d-f1d/2));
+ wingV->AddNode(extraV, 1, new TGeoCombiTrans(-extraL/2, 0, f1d/2, 0));
+ wingV->AddNode(spacerV, 1, new TGeoTranslation(1+f2l/2,-f2w/2+f1w/2,
+ -f2d/2));
+ wingV->AddNode(spacerV, 2, new TGeoTranslation(1+f2l/2,+f2w/2-f1w/2,
+ -f2d/2));
+ TGeoRotation* tensionR = new TGeoRotation;
+ tensionR->RotateY(90);
+ wingV->AddNode(tension, 1, new TGeoCombiTrans(4, 0, f1d+1.2, tensionR));
+ TGeoRotation* wireR = new TGeoRotation;
+ wireR->RotateY(90);
+ wingV->AddNode(wireV, 1, new TGeoCombiTrans(-(framehr-coverlr)/2, 0, f1d+1,
+ wireR));
- TGeoBBox* flange1Shape = new TGeoBBox(f1l/2, f1w/2, f1d/2);
- TGeoVolume* flange1Volume = new TGeoVolume(Form(fgkFlangeName, fmd2->GetId()),
- flange1Shape, fAl);
- TGeoBBox* flange2Shape = new TGeoBBox(f1w/2, f1d/2, (framel+backth)/2);
- TGeoVolume* flange2Volume = new TGeoVolume(Form("F%dSG", fmd2->GetId()),
- flange2Shape, fAl);
- flange1Shape->SetName(Form(fgkFlangeName, fmd2->GetId()));
- flange1Shape->SetTitle("FMD2 vertical flange");
- flange1Volume->SetTitle("FMD2 vertical flange");
- flange2Shape->SetName(Form("F%dSG", fmd2->GetId()));
- flange2Shape->SetTitle("FMD2 horizontal flange");
- flange2Volume->SetTitle("FMD2 horizontal flange ");
+ TGeoCombiTrans* extraM1 = new TGeoCombiTrans(coverhr-extraL/2,0,0,0);
+ extraM1->RotateZ(45);
+ extraM1->RegisterYourself();
+ extraM1->SetName("FMD2_back_cover_slit1");
+ TGeoCombiTrans* extraM2 = new TGeoCombiTrans(coverhr-extraL/2,0,0,0);
+ extraM2->RotateZ(135);
+ extraM2->RegisterYourself();
+ extraM2->SetName("FMD2_back_cover_slit2");
+ TString coverComp(Form(fgkTopName, fmd2->GetId()));
+ coverComp.Append("-(FMD2_flange_extra:FMD2_back_cover_slit1"
+ "+FMD2_flange_extra:FMD2_back_cover_slit2)");
+ TGeoCompositeShape* cover2Shape = new TGeoCompositeShape(coverComp.Data());
+ cover2Shape->SetName("FMD2_back_cover");
+ TGeoVolume* cover2Volume = new TGeoVolume("FMD2_back_cover", cover2Shape,fC);
+ support->AddNode(cover2Volume,2,
+ new TGeoTranslation(0,0,backth+framel+backth/2));
+
+ TGeoCombiTrans* trans1 = new TGeoCombiTrans(framehr, 0, backth+framel, 0);
+ TGeoCombiTrans* trans2 = new TGeoCombiTrans(framehr, 0, backth+framel, 0);
+ trans1->RotateZ(45);
+ trans2->RotateZ(135);
+ support->AddNode(wingV, 1, trans1);
+ support->AddNode(wingV, 2, trans2);
+ AliFMDDebug(1, ("FMD2 support offset is %f", framelz));
- flange1Volume->SetTransparency(42);
- for (Int_t i = 0; i < 4; i++) {
- TGeoVolume* mother = (i < 2 ? fmd2TopVolume : fmd2BotVolume);
+ for (Int_t i = 0; i < 2; i++) {
+ TGeoVolume* mother = (i < 1 ? fmd2TopVolume : fmd2BotVolume);
- Double_t phi = 360. / 4 * i - 45;
- Double_t rphi = TMath::Pi()*phi/180;
- Double_t x = (framelr + f1l/2) * TMath::Sin(rphi);
- Double_t y = (framelr + f1l/2) * TMath::Cos(rphi);
+ Double_t phi = 360. / 2 * i;
TGeoRotation* rot = new TGeoRotation(Form("FMD2 support rot %d",i));
rot->RotateZ(phi);
- TGeoMatrix* matrix = new TGeoCombiTrans(Form("FMD2 flange 1 trans %d", i),
- x,y, framelz-backth-f1d/2, rot);
- mother->AddNode(flange1Volume, 2*i+0, matrix);
- matrix = new TGeoCombiTrans(Form("FMD2 flange 2 trans %d", i),
- x,y,framelz+framel+backth+f1d/2,
- rot);
- mother->AddNode(flange1Volume, 2*i+1, matrix);
- Double_t x1 = x - (f1w-f1d) / 2 * TMath::Cos(rphi);
- Double_t y1 = y + (f1w-f1d) / 2 * TMath::Sin(rphi);
- matrix = new TGeoCombiTrans(Form("FMD2 flange 3 trans %d", i),
- x1,y1,framelz+framel/2, rot);
- mother->AddNode(flange2Volume, 2*i+0, matrix);
- Double_t x2 = x + (f1w-f1d) / 2 * TMath::Cos(rphi);
- Double_t y2 = y - (f1w-f1d) / 2 * TMath::Sin(rphi);
- matrix = new TGeoCombiTrans(Form("FMD2 flange 4 trans %d", i),
- x2,y2,framelz+framel/2, rot);
- mother->AddNode(flange2Volume, 2*i+1, matrix);
+ TGeoMatrix* matrix = new TGeoCombiTrans(0, 0, framelz, rot);
+ mother->AddNode(support, i, matrix);
}
// Must be done after filling the assemblies
return 0;
}
-#if 1
//____________________________________________________________________
TGeoVolume*
-AliFMDGeometryBuilder::FMD3Geometry(AliFMD3* fmd3,
+AliFMDGeometryBuilder::FMD3Geometry(const AliFMD3* fmd3,
TGeoVolume* innerTop,
TGeoVolume* innerBot,
TGeoVolume* outerTop,
//__________________________________________________________________
// Basic detector set-up.
- TGeoVolume* fmd3TopVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd3->GetId(), 'T'));
- TGeoVolume* fmd3BotVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd3->GetId(), 'B'));
+ TString fmd3TopName = TString::Format(fgkFMDName, fmd3->GetId(), 'T');
+ TGeoVolume* fmd3TopVolume = new TGeoVolumeAssembly(fmd3TopName);
+ TString fmd3BotName = TString::Format(fgkFMDName, fmd3->GetId(), 'B');
+ TGeoVolume* fmd3BotVolume = new TGeoVolumeAssembly(fmd3BotName);
fmd3TopVolume->SetTitle("FMD3 top half");
fmd3BotVolume->SetTitle("FMD3 bottom half");
DetectorGeometry(fmd3, fmd3TopVolume, fmd3BotVolume, fmd3->GetInnerZ(),
// Fiducial holes
const TObjArray& fiducialHoles = fmd3->FiducialHoles();
double fiducialRadius = fmd3->GetFiducialRadius();
- TGeoTube* fiducialShape = new TGeoTube("FMD3_fiducial_hole", 0,
- fiducialRadius,
- flangeDepth+.1);
+#if 0
+ TGeoTube* fiducialShape =
+#endif
+ new TGeoTube("FMD3_fiducial_hole", 0, fiducialRadius, flangeDepth+.1);
Int_t nFiducialHoles = fiducialHoles.GetEntriesFast();
double flangeAngle = TMath::Pi() / 4;
double flangeX = r5->Y()+flangeLength;
#if 0// For debugging geometry
TGeoVolume* fiducialVolume = new TGeoVolume("FMD3_fiducial", fiducialShape);
fiducialVolume->SetLineColor(kGreen);
-#else
- (void*)fiducialShape;
#endif
for (Int_t i = 0; i < nFiducialHoles; i++) {
TVector2& v = *(static_cast<TVector2*>(fiducialHoles.At(i)));
flangeComb.Append(Form("FMD3_fiducial_hole:FMD3_fiducial_hole_rot%d+"
"FMD3_fiducial_hole:FMD3_fiducial_hole_rot%d%c",
2*i+0, 2*i+1, (i == nFiducialHoles-1 ? ')' : '+')));
-#if 1 // For debugging geometry
- // support->AddNode(fiducialVolume, 2*i+0, t1);
- // support->AddNode(fiducialVolume, 2*i+1, t2);
+#if 0 // For debugging geometry
+ support->AddNode(fiducialVolume, 2*i+0, t1);
+ support->AddNode(fiducialVolume, 2*i+1, t2);
#endif
}
//__________________________________________________________________
// Holes
- Double_t holeL = (fmd3->GetHoleLength()-1)/2;
+ Double_t holeL = fmd3->GetHoleLength()/2;
Double_t holeD = fmd3->GetHoleDepth()/2;
Double_t holeLW = fmd3->GetHoleLowWidth()/2;
Double_t holeHW = fmd3->GetHoleHighWidth()/2;
- Double_t holeA = fmd3->GetConeOuterAngle() - 1 * TMath::Pi() / 180;
- Double_t holeZ = (fmd3->GetHoleOffset()
- + holeL * TMath::Cos(holeA)
- - holeD * TMath::Sin(holeA));
- Double_t holeX = (fmd3->ConeR(-holeZ + fmd3->GetInnerZ() + fmd3->GetNoseZ())
- - holeD * TMath::Cos(holeA));
- Double_t plateZ = (fmd3->GetHoleOffset()
+ Double_t holeA = fmd3->GetConeOuterAngle();
+ Double_t holeA2 = TMath::Pi() - fmd3->GetConeOuterAngle();
+ Double_t holeO = fmd3->GetHoleOffset();
+ Double_t holeZ = (holeO
+ holeL * TMath::Cos(holeA)
- - 0.033 * TMath::Sin(holeA));
- Double_t plateX = (fmd3->ConeR(-plateZ + fmd3->GetInnerZ()+fmd3->GetNoseZ())
- - 0.033 * TMath::Cos(holeA));
- TGeoTrd1* holeShape = new TGeoTrd1("FMD3_cone_hole",
- holeLW, holeHW, holeD, holeL);
+ - holeD * TMath::Sin(holeA2));
+ Double_t holeX = (fmd3->ConeR(-holeZ + fmd3->GetInnerZ() + fmd3->GetNoseZ())
+ - holeD * TMath::Sin(holeA2));
+ new TGeoTrd1("FMD3_cone_hole", holeLW, holeHW, holeD, holeL);
TGeoTrd1* plateShape = new TGeoTrd1("FMD3_cooling_plate",
holeLW, holeHW, .033, holeL);
TGeoRotation* holeRot = new TGeoRotation();
holeRot->RotateY(holeA*180/TMath::Pi());
TGeoCombiTrans* holeBaseTrans = new TGeoCombiTrans(holeX, 0, holeZ, holeRot);
holeBaseTrans->SetName("FMD3_cone_hole_base_matrix");
- TGeoCombiTrans* plateBaseTrans = new TGeoCombiTrans(plateX, 0,plateZ,holeRot);
- (void*)holeShape;
- TGeoVolume* plateVolume = new TGeoVolume("F3CO", plateShape, fAl);
+ // TGeoRotation* plateRot = new TGeoRotation();
+ // plateRot->SetName("FMD3_cone_plate_rotation");
+ // plateRot->RotateZ(90);
+ // plateRot->RotateY(plateA*180/TMath::Pi());
+ // TGeoCombiTrans* plateBaseTrans = new
+ // TGeoCombiTrans(plateX,0,plateZ,plateRot);
+ TGeoVolume* plateVolume = new TGeoVolume("FMD3_cooling_plate",
+ plateShape, fAl);
plateShape->SetTitle("FMD3 cooling plate");
plateVolume->SetTitle("FMD3 cooling plate");
for (Int_t i = 0; i < 4; i++) {
trans->RotateZ(ang);
trans->SetName(Form("FMD3_cone_hole_matrix%d", i));
trans->RegisterYourself();
- trans = new TGeoCombiTrans(*plateBaseTrans);
+ trans = new TGeoCombiTrans(*holeBaseTrans);
trans->RotateZ(ang);
trans->SetName(Form("FMD3_cooling_plate_matrix%d", i));
coneComb.Append(Form("FMD3_cone_hole:FMD3_cone_hole_matrix%d+", i));
coneComb.Append("FMD3_bolt_hole:FMD3_bolt_matrix1"
"+FMD3_bolt_hole:FMD3_bolt_matrix2"
"+FMD3_bolt_hole:FMD3_bolt_matrix3"
- "+FMD3_bolt_hole:FMD3_bolt_matrix4)");
- TGeoVolume* boltVolume = new TGeoVolume("F3SB", boltShape, fSteel);
+ "+FMD3_bolt_hole:FMD3_bolt_matrix4");
+ TGeoVolume* boltVolume = new TGeoVolume("FMD3_bolt", boltShape, fSteel);
support->AddNode(boltVolume, 1, boltTrans1);
support->AddNode(boltVolume, 2, boltTrans2);
boltShape->SetTitle("FMD3 steering bolt");
boltVolume->SetTitle("FMD3 steering bolt");
//__________________________________________________________________
+ // Cut-outs for tension wheel sheeve
+ new TGeoBBox("FMD3_sheeve_hole", .55, .75, 1.16);
+ Double_t sheeveHoleZ = fmd3->GetInnerZ() + fmd3->GetNoseZ() - .75;
+ Double_t sheeveHoleR = fmd3->ConeR(sheeveHoleZ) - .55 + .2572222;
+ TGeoCombiTrans* sheeveMat1 = new TGeoCombiTrans(sheeveHoleR,0,1.15,0);
+ TGeoCombiTrans* sheeveMat2 = new TGeoCombiTrans(sheeveHoleR,0,1.15,0);
+ sheeveMat1->RotateZ(45);
+ sheeveMat2->RotateZ(135);
+ sheeveMat1->SetName("FMD3_sheeve_hole_matrix1");
+ sheeveMat2->SetName("FMD3_sheeve_hole_matrix2");
+ sheeveMat1->RegisterYourself();
+ sheeveMat2->RegisterYourself();
+ coneComb.Append("+FMD3_sheeve_hole:FMD3_sheeve_hole_matrix1"
+ "+FMD3_sheeve_hole:FMD3_sheeve_hole_matrix2)");
+
+ //__________________________________________________________________
+ // Sheeve boxes
+ Double_t sheeveL = 1.15;
+ TGeoBBox* sheeveSideS = new TGeoBBox("FMD3_sheeve_side",
+ .55, .25, 1.15);
+ TGeoBBox* sheeveBackS = new TGeoBBox("FMD3_sheeve_back",
+ .55, .25, .15);
+ TGeoBBox* sheeveWingS = new TGeoBBox("FMD3_sheeve_wing",
+ .15, .15, 1.15);
+ TGeoPcon* sheeveWheelS = new TGeoPcon("FMD3_sheeve_wheel", 0, 360, 9);
+ Double_t sheeveInnerR = 0; // .2;
+ Double_t sheeveR = .875;
+ Double_t sheeveWheelZ = .95;
+ sheeveWheelS->DefineSection(0, -.25, sheeveInnerR, 1);
+ sheeveWheelS->DefineSection(1, -.125, sheeveInnerR, 1);
+ sheeveWheelS->DefineSection(2, -.125, sheeveInnerR, sheeveWheelZ);
+ sheeveWheelS->DefineSection(3, -.0625, sheeveInnerR, sheeveR+.02);
+ sheeveWheelS->DefineSection(4, 0.000, sheeveInnerR, sheeveR);
+ sheeveWheelS->DefineSection(5, +.0625, sheeveInnerR, sheeveR+.02);
+ sheeveWheelS->DefineSection(6, +.125, sheeveInnerR, sheeveWheelZ);
+ sheeveWheelS->DefineSection(7, +.125, sheeveInnerR, 1);
+ sheeveWheelS->DefineSection(8, +.25, sheeveInnerR, 1);
+ TGeoVolume* sheeveSideV = new TGeoVolume("FMD3_sheeve_side",
+ sheeveSideS, fPlastic);
+ TGeoVolume* sheeveBackV = new TGeoVolume("FMD3_sheeve_back",
+ sheeveBackS, fPlastic);
+ TGeoVolume* sheeveWingV = new TGeoVolume("FMD3_sheeve_wing",
+ sheeveWingS, fPlastic);
+ TGeoVolume* sheeveWheelV= new TGeoVolume("FMD3_sheeve_wheel",
+ sheeveWheelS, fPlastic);
+ TGeoVolumeAssembly* sheeveBox = new TGeoVolumeAssembly("FMD3_sheeve_box");
+ sheeveBox->AddNode(sheeveSideV, 1, new TGeoTranslation(0, -.5, 0));
+ sheeveBox->AddNode(sheeveSideV, 2, new TGeoTranslation(0, +.5, 0));
+ sheeveBox->AddNode(sheeveBackV, 1, new TGeoTranslation(0, 0, 2.0+.15-1.15));
+ sheeveBox->AddNode(sheeveWingV, 1, new TGeoTranslation(.55-.15, -.90, 0));
+ sheeveBox->AddNode(sheeveWingV, 2, new TGeoTranslation(.55-.15, +.90, 0));
+ TGeoRotation* sheeveWheelR = new TGeoRotation;
+ sheeveWheelR->RotateX(90);
+ TGeoCombiTrans* sheeveWheelM = new TGeoCombiTrans(0, 0, sheeveWheelZ-sheeveL,
+ sheeveWheelR);
+ sheeveBox->AddNode(sheeveWheelV, 1, sheeveWheelM);
+ support->AddNode(sheeveBox, 1, sheeveMat1);
+ support->AddNode(sheeveBox, 2, sheeveMat2);
+
+
+
+ //__________________________________________________________________
+ // Final cone
TGeoCompositeShape* coneShape = new TGeoCompositeShape(coneComb.Data());
coneShape->SetName("FMD3_cone");
coneShape->SetTitle("FMD3 cone");
- TGeoVolume* coneVolume = new TGeoVolume("F3SC", coneShape, fC);
+ TGeoVolume* coneVolume = new TGeoVolume("FMD3_Cone", coneShape, fC);
coneVolume->SetLineColor(kRed);
support->AddNode(coneVolume, 0, new TGeoTranslation(0, 0, 0));
+ //__________________________________________________________________
+ // Tension boxes.
+ TGeoVolume* tensionBox = TensionBox();
+ Double_t tensionH = .6;
+ Double_t tensionL = 4;
+ Double_t tensionZ = 23.654;
+ Double_t tensionR = fmd3->ConeR(fmd3->GetInnerZ() + fmd3->GetNoseZ()
+ - tensionZ);
+ Double_t tensionAr = fmd3->GetConeOuterAngle();
+ Double_t tensionA = tensionAr * 180 / TMath::Pi();
+ TGeoRotation* tensionQ = new TGeoRotation;
+ tensionQ->RotateY(tensionA);
+ TGeoCombiTrans* tensionM1 = new TGeoCombiTrans(tensionR,0,tensionZ, tensionQ);
+ TGeoCombiTrans* tensionM2 = new TGeoCombiTrans(tensionR,0,tensionZ, tensionQ);
+ tensionM1->RotateZ(45);
+ tensionM2->RotateZ(135);
+ support->AddNode(tensionBox, 1, tensionM1);
+ support->AddNode(tensionBox, 2, tensionM2);
+
+ // Double_t tensionHR = 0.15;
+ Double_t wireT = .1/2;
+ Double_t wireZ1 = (tensionZ
+ - tensionL * TMath::Cos(tensionAr)
+ - tensionH * TMath::Sin(tensionAr));
+ Double_t wireR1 = (tensionR
+ - tensionL * TMath::Sin(tensionAr)
+ + tensionH * TMath::Cos(tensionAr));
+ AliFMDDebug(10, ("Wire Z1: %f=%f-%f*cos(%f)-%f*sin(%f)",
+ wireZ1, tensionZ, tensionL, tensionAr, tensionH, tensionAr));
+ AliFMDDebug(10, ("Wire R1: %f=%f-%f*sin(%f)-%f*cos(%f)",
+ wireR1, tensionR, tensionL, tensionAr, tensionH, tensionAr));
+
+ Double_t wireStartA = 42.3 * TMath::Pi() / 180;
+ Double_t wireZ2 = (sheeveWheelZ * (1 - TMath::Sin(wireStartA))
+ // - sheeveL -
+ - wireT * TMath::Sin(wireStartA));
+ /* (sheeveWheelZ * (1 - TMath::Sin(wireStartA))
+ - wireT * TMath::Sin(wireStartA)
+ - sheeveL); */
+ AliFMDDebug(10, ("wireZ2=%f=%f*(1-%f)", wireZ2, sheeveWheelZ,
+ TMath::Sin(wireStartA)));
+ Double_t wireR2 = (sheeveHoleR +
+ sheeveWheelZ * TMath::Cos(wireStartA) +
+ wireT * TMath::Cos(wireStartA));
+ Double_t wireDR = wireR1-wireR2;
+ Double_t wireDZ = wireZ1-wireZ2;
+ Double_t wireL = TMath::Sqrt(wireDR*wireDR+wireDZ*wireDZ)-.01;
+ Double_t wireAngle = TMath::ATan2(wireDR,wireDZ);
+ TGeoTube* wireShape = new TGeoTube("FMD3_wire", 0, wireT, wireL/2);
+ TGeoVolume* wireVolume = new TGeoVolume("FMD3_wire", wireShape,fSteel);
+ TGeoRotation* wireRot = new TGeoRotation();
+ wireRot->RotateY(180/TMath::Pi()*wireAngle);
+ Double_t wireR = wireR2 + wireDR / 2;
+ Double_t wireZ = wireZ2 + wireDZ / 2;
+ TGeoCombiTrans* wireM1 = new TGeoCombiTrans(wireR, 0,wireZ, wireRot);
+ TGeoCombiTrans* wireM2 = new TGeoCombiTrans(wireR, 0,wireZ, wireRot);
+ wireM1->RotateZ(45);
+ wireM2->RotateZ(135);
+ support->AddNode(wireVolume, 1, wireM1);
+ support->AddNode(wireVolume, 2, wireM2);
+
+
+ TGeoTorus* wireTS = new TGeoTorus(sheeveWheelZ+wireT, 0, wireT, 0,
+ 90-wireStartA*180/TMath::Pi());
+ TGeoVolume* wireTV = new TGeoVolume("FMD3_bend_wire",wireTS,fSteel);
+ TGeoRotation* wireTR = new TGeoRotation;
+ wireTR->RotateY(90);
+ wireTR->RotateZ(-90);
+ Double_t wireTZ = sheeveWheelZ;
+ TGeoCombiTrans* wireTM1 = new TGeoCombiTrans(sheeveHoleR,0,wireTZ,wireTR);
+ TGeoCombiTrans* wireTM2 = new TGeoCombiTrans(sheeveHoleR,0,wireTZ,wireTR);
+ wireTM1->RotateZ(45);
+ wireTM2->RotateZ(135);
+ support->AddNode(wireTV, 1, wireTM1);
+ support->AddNode(wireTV, 2, wireTM2);
+
+ Double_t colarR = 4.05;
+ Double_t wireEL = sheeveHoleR - colarR;
+ TGeoTube* wireES = new TGeoTube("FMD3_end_wire", 0, wireT, wireEL/2);
+ TGeoVolume* wireEV = new TGeoVolume("FMD3_end_wire", wireES, fSteel);
+ TGeoRotation* wireER = new TGeoRotation;
+ wireER->RotateY(90);
+ TGeoCombiTrans* wireEM1 = new TGeoCombiTrans(colarR+wireEL/2,0,
+ -wireT,wireER);
+ TGeoCombiTrans* wireEM2 = new TGeoCombiTrans(colarR+wireEL/2,0,
+ -wireT,wireER);
+ wireEM1->RotateZ(45);
+ wireEM2->RotateZ(135);
+ support->AddNode(wireEV, 1, wireEM1);
+ support->AddNode(wireEV, 2, wireEM2);
+
+
+
+
//__________________________________________________________________
// Place support volumes in half-detector volumes
Double_t z = fmd3->GetInnerZ();
+ AliFMDDebug(1, ("FMD3 support at z=%f", -fmd3->GetNoseZ()));
TGeoTranslation* t1 = new TGeoTranslation(0, 0, -fmd3->GetNoseZ());
fmd3TopVolume->AddNode(support, 1, t1);
TGeoCombiTrans* t2 = new TGeoCombiTrans(*t1);
return 0;
}
-#else
-//____________________________________________________________________
-TGeoVolume*
-AliFMDGeometryBuilder::FMD3Geometry(AliFMD3* fmd3,
- TGeoVolume* innerTop,
- TGeoVolume* innerBot,
- TGeoVolume* outerTop,
- TGeoVolume* outerBot)
-{
- // Setup the FMD3 geometry. The FMD2 has a rather elaborate support
- // structure, as the support will also support the vacuum
- // beam-pipe.
- //
- // See also AliFMDGeometryBuilder::DetectorGeometry
- //
- if (!fmd3 || !innerTop || !innerBot || !outerTop || !outerBot) return 0;
- Double_t nlen = fmd3->GetNoseLength();
- Double_t nz = fmd3->GetNoseZ();
- Double_t noser1 = fmd3->GetNoseLowR();
- Double_t noser2 = fmd3->GetNoseHighR();
- Double_t conet = fmd3->GetBeamThickness();
- Double_t conel = fmd3->GetConeLength();
- Double_t backl = fmd3->GetBackLength();
- // Double_t backr1 = fmd3->GetBackLowR();
- Double_t backr2 = fmd3->GetBackHighR();
- Double_t zdist = conel - backl - nlen;
- Double_t tdist = backr2 - noser2;
- // Double_t beaml = TMath::Sqrt(zdist * zdist + tdist * tdist);
- Double_t theta = -180. * TMath::ATan2(tdist, zdist) / TMath::Pi();
- Double_t flanger = fmd3->GetFlangeR();
- Double_t z = fmd3->GetInnerZ(); // fmd3->GetZ();
-
- TGeoVolume* fmd3TopVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd3->GetId(), 'T'));
- TGeoVolume* fmd3BotVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd3->GetId(), 'B'));
- fmd3TopVolume->SetTitle("FMD3 top half");
- fmd3BotVolume->SetTitle("FMD3 bottom half");
-
-
- DetectorGeometry(fmd3, fmd3TopVolume, fmd3BotVolume, z,
- innerTop, innerBot, outerTop, outerBot);
-
-
- TGeoVolumeAssembly* support = new TGeoVolumeAssembly("F3SU");
- support->SetTitle("FMD3 support");
-
- // Cone shape
- TGeoPcon* coneBase = new TGeoPcon("FMD3 cone base", 0, 180, 6);
- const TObjArray& radii = fmd3.ConeRadii();
- TVector3* v1 = 0;
- TVector3* v4 = 0;
- for (Int_t i = 0; i < radii.GetEntriesFast(); i++) {
- TVector3* v = static_cast<TVector3*>(radii.At(i));
- coneBase->DefineSection(i, v->X(), v->Y(), v->Z());
- if (i == 1) v1 = v;
- if (i == 4) v4 = v;
-
- }
- Double_t holeL = TMath::Sqrt(TMath::Power(v4->Z()-v1->Z(),2) +
- TMath::Power(v4->X()-v1->X(),2));
-
- TGeoTrd1* coneHole = new TGeoTrd1("F3SC_hole",2,8,conet*3,
- (conel-2-2)/2);
-
-
-
- // Nose volume
- TGeoTubeSeg* noseShape = new TGeoTubeSeg(noser1, noser2, nlen / 2, 0, 180);
- TGeoVolume* noseVolume = new TGeoVolume(fgkNoseName, noseShape, fC);
- support->AddNode(noseVolume, 0, new TGeoTranslation(0, 0, nlen/2));
- noseShape->SetName(fgkNoseName);
- noseShape->SetTitle("FMD3 nose");
- noseVolume->SetTitle("FMD3 nose");
-
- // Steel bolts
- TGeoTube* boltShape = new TGeoTube("F3SB", 0, 0.3, conet / 2);
- TGeoVolume* boltVolume = new TGeoVolume("F3SB", boltShape, fSteel);
- Double_t z1 = -10;
- Double_t x1 = (fmd3->ConeR(nz+z1));
- TGeoRotation* r1 = new TGeoRotation();
- r1->RotateY(theta);
- TGeoCombiTrans* t = new TGeoCombiTrans("F3SB1",x1,0,-z1,r1);
- support->AddNode(boltVolume, 1, t);
- z1 = -20;
- x1 = (fmd3->ConeR(nz+z1));
- t = new TGeoCombiTrans("F3SB2",x1,0,-z1,r1);
- support->AddNode(boltVolume, 2, t);
- boltShape->SetTitle("FMD3 steering bolt");
- boltVolume->SetTitle("FMD3 steering bolt");
-
- // Cooling plates
- TGeoTrd1* plateShape = new TGeoTrd1(2, 8, 0.1, (conel-2-2)/2-.1);
- TGeoVolume* plateVolume = new TGeoVolume("F3CO", plateShape, fAl);
- plateShape->SetName("F3C0");
- plateShape->SetTitle("FMD3 cooling plate");
- plateVolume->SetTitle("FMD3 cooling plate");
-
- // Shape for carbon half-cone
- TGeoConeSeg* innerCone = new TGeoConeSeg("F3SC_inner", conel/2,
- noser2-conet, noser2,
- backr2-conet, backr2, 0., 180.);
- innerCone->SetTitle("FMD3 cone inner");
- TGeoTrd1* coneHole = new TGeoTrd1("F3SC_hole",2,8,conet*3,
- (conel-2-2)/2);
- coneHole->SetTitle("FMD3 cone hole");
- Double_t holeAng = TMath::ATan2(backr2 - noser2, conel);
- Double_t holeX = ((conel-2) / 2 * TMath::Sin(holeAng) +
- conet * TMath::Cos(holeAng) +
- noser2);
- TGeoRotation* holeRot = new TGeoRotation();
- holeRot->SetName("FMD3 cone hole rotation");
- holeRot->RotateZ(90);
- holeRot->RotateY(holeAng*180./TMath::Pi());
- TGeoCombiTrans* holeTrans = new TGeoCombiTrans(holeX, 0, -2, holeRot);
- holeRot->SetName("FMD3 cone hole");
-
- // Build-up the composite shape for the cone, and add cooling plates
- // at the same time.
- TString coneExp("F3SC_inner-(");
- for (int i = 0; i < 4; i++) {
- Double_t thisAng = 360. / 8 * (i + .5);
- TGeoCombiTrans* thisTrans = new TGeoCombiTrans(*holeTrans);
- thisTrans->RotateZ(thisAng);
- thisTrans->SetName(Form("F3SC_rot%d", i));
- thisTrans->RegisterYourself();
- coneExp.Append(Form("F3SC_hole:F3SC_rot%d+", i));
-
- const Double_t* tt = thisTrans->GetTranslation();
- Double_t x = tt[0]+1*TMath::Cos(thisAng*TMath::Pi()/180);
- Double_t y = tt[1]+1*TMath::Sin(thisAng*TMath::Pi()/180);
- TGeoCombiTrans* plateTrans = new TGeoCombiTrans(x,y,tt[2]-1+nlen+conel/2,
- thisTrans->GetRotation());
- support->AddNode(plateVolume, i, plateTrans);
- }
- // Remove bolt holes
- coneExp.Append("F3SB:F3SB1+F3SB:F3SB2)");
-
- // Finalize the half-cone shape and add volume
- TGeoCompositeShape* coneShape = new TGeoCompositeShape(coneExp.Data());
- TGeoVolume* coneVolume = new TGeoVolume("F3SC", coneShape, fC);
- coneShape->SetName("F3SC");
- coneShape->SetTitle("FMD3 cone");
- coneVolume->SetTitle("FMD3 cone");
- support->AddNode(coneVolume,1,new TGeoTranslation(0,0,nlen+conel/2));
-
- // The flanges
- TGeoBBox* flangeShape = new TGeoBBox((flanger - backr2) / 2,
- fmd3->GetBeamWidth() / 2,
- backl / 2);
- TGeoVolume* flangeVolume = new TGeoVolume(Form(fgkFlangeName, fmd3->GetId()),
- flangeShape, fC);
- flangeShape->SetName(Form(fgkFlangeName, fmd3->GetId()));
- flangeShape->SetTitle("FMD3 flange");
- flangeVolume->SetTitle("FMD3 flange");
-
- Int_t n = fmd3->GetNFlange();
- Double_t r = backr2 + (flanger - backr2) / 2;
- for (Int_t i = 0; i < n/2; i++) {
- Double_t phi = 360. / n * i + 180. / n;
- Double_t x = r * TMath::Cos(TMath::Pi() / 180 * phi);
- Double_t y = r * TMath::Sin(TMath::Pi() / 180 * phi);
- TGeoRotation* rot = new TGeoRotation;
- rot->RotateZ(phi);
- TGeoMatrix* matrix = new TGeoCombiTrans(x, y, nlen+conel-backl/2, rot);
- matrix->SetName(Form("FMD3_flange_%02d", i));
- matrix->SetTitle(Form("FMD3_flange_%2d", i));
- support->AddNode(flangeVolume, i, matrix);
- }
-
- // Place support volumes in half-detector volumes
- z = fmd3->GetInnerZ();
- z1 = z-nz;
- fmd3TopVolume->AddNode(support, 1, new TGeoTranslation(0,0,z1));
- r1 = new TGeoRotation();
- r1->RotateZ(180);
- t = new TGeoCombiTrans(0,0,z1,r1);
- fmd3BotVolume->AddNode(support, 2, t);
-
- TGeoRotation* rot = new TGeoRotation("FMD3 rotatation");
- rot->RotateY(180);
- TGeoVolume* top = gGeoManager->GetVolume("ALIC");
- TGeoMatrix* mmatrix = new TGeoCombiTrans("FMD3 trans", 0, 0, z, rot);
- AliFMDDebug(5, ("Placing volumes %s and %s in ALIC at z=%f",
- fmd3TopVolume->GetName(), fmd3BotVolume->GetName(), z));
- top->AddNode(fmd3TopVolume, fmd3->GetId(), mmatrix);
- top->AddNode(fmd3BotVolume, fmd3->GetId(), mmatrix);
-
- return 0;
-}
-#endif
//____________________________________________________________________
void
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff