// which has 1 or 2 rings of silicon sensors.
//
//
+
+#include <TArrayD.h> // ROOT_TArrayD
+#include <TGeoManager.h> // ROOT_TGeoManager
+#include <TGeoMatrix.h> // ROOT_TGeoMatrix
+#include <TGeoTube.h> // ROOT_TGeoTube
+#include <TGeoTrd1.h> // ROOT_TGeoTrd1
+#include <TGeoCone.h> // ROOT_TGeoTrd1
+#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
+#include <TVector3.h> // ROOT_TVector3
+//#include <TGeoMaterial.h> // ROOT_TGeoMaterial
+//#include <TGeoMedium.h> // ROOT_TGeoMedium
+//#include <TGeoPcon.h> // ROOT_TGeoPcon
+//#include <TGeoPolygon.h> // ROOT_TGeoPolygon
+
#include "AliFMDGeometryBuilder.h" // ALIFMDGEOSIMULATOR_H
#include "AliFMDGeometry.h" // ALIFMDGEOMETRY_H
#include "AliFMDDetector.h" // ALIFMDDETECTOR_H
#include "AliFMD2.h" // ALIFMD2_H
#include "AliFMD3.h" // ALIFMD3_H
// #include "AliFMD.h" // ALIFMD_H
-#include "AliLog.h" // ALILOG_H
-#include <TGeoVolume.h> // ROOT_TGeoVolume
-#include <TGeoTube.h> // ROOT_TGeoTube
-//#include <TGeoPcon.h> // ROOT_TGeoPcon
-//#include <TGeoMaterial.h> // ROOT_TGeoMaterial
-//#include <TGeoMedium.h> // ROOT_TGeoMedium
-#include <TGeoXtru.h> // ROOT_TGeoXtru
-//#include <TGeoPolygon.h> // ROOT_TGeoPolygon
-#include <TGeoTube.h> // ROOT_TGeoTube
-#include <TGeoManager.h> // ROOT_TGeoManager
-#include <TVector2.h> // ROOT_TVector2
-#include <TArrayD.h> // ROOT_TArrayD
+#include "AliFMDDebug.h" // ALILOG_H
+#include <iostream>
//====================================================================
ClassImp(AliFMDGeometryBuilder)
const Char_t* AliFMDGeometryBuilder::fgkHCName = "F%dH%c";
const Char_t* AliFMDGeometryBuilder::fgkIHCName = "F%dI%c";
const Char_t* AliFMDGeometryBuilder::fgkNoseName = "F3SN";
-const Char_t* AliFMDGeometryBuilder::fgkBackName = "F3SB";
-const Char_t* AliFMDGeometryBuilder::fgkBeamName = "F3SL";
-const Char_t* AliFMDGeometryBuilder::fgkFlangeName = "F3SF";
+const Char_t* AliFMDGeometryBuilder::fgkBackName = "F%dSB";
+const Char_t* AliFMDGeometryBuilder::fgkTopName = "F%dSU";
+const Char_t* AliFMDGeometryBuilder::fgkBeamName = "F%dSL";
+const Char_t* AliFMDGeometryBuilder::fgkFlangeName = "F%dSF";
+const Char_t* AliFMDGeometryBuilder::fgkFMDDCuName = "F%cDC";
+const Char_t* AliFMDGeometryBuilder::fgkFMDDPCBName = "F%cDP";
+const Char_t* AliFMDGeometryBuilder::fgkFMDDChipName = "F%cDI";
+const Char_t* AliFMDGeometryBuilder::fgkFMDDName = "F%cDD";
const Char_t* AliFMDGeometryBuilder::fgkFMDName = "F%dM%c";
//____________________________________________________________________
fChip(0),
fAir(0),
fPlastic(0),
- fCopper(0)
+ fCopper(0),
+ fSteel(0)
{
// Default constructor
fActiveId.Set(2);
fChip(0),
fAir(0),
fPlastic(0),
- fCopper(0)
+ fCopper(0),
+ fSteel(0)
{
// Normal constructor
//
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
AliError("Didn't get a ring object");
return 0;
}
- Char_t id = r->GetId();
- 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 id = r->GetId();
+ 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);
- 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 = 3;
if (fDetailed) {
fSectorOff = 1;
- fModuleOff = 3;
- fRingOff = 4;
- fDetectorOff = 5;
+ fModuleOff = 4;
+ fRingOff = 5;
+ 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);
- TGeoVolume* activeVolume = new TGeoVolume(Form(fgkActiveName, id),
- activeShape,fSi);
- TGeoVolume* sectorVolume = activeVolume->Divide(Form(fgkSectorName,id),
- 2, 2, -theta,0,0,"N");
- TGeoVolume* stripVolume = sectorVolume->Divide(Form(fgkStripName, id),
+ 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));
+ TString activeName = TString::Format(fgkActiveName, id);
+ TGeoVolume* activeVolume = new TGeoVolume(activeName,activeShape,fSi);
+ activeVolume->SetTitle(Form("FMD %s active area", lName));
+ 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));
+ TString stripName = TString::Format(fgkStripName, id);
+ TGeoVolume* stripVolume = sectorVolume->Divide(stripName,
1, ns, stripoff, dstrip,
0, "SX");
+ stripVolume->SetTitle(Form("FMD %s strip", lName));
sid = stripVolume->GetNumber();
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);
- TGeoVolume* pcbVolume = new TGeoVolume(Form(fgkPCBName, id),
- pcbShape, fPCB);
+ //------------------------------------------------------------------
+ // 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));
+ 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);
- TGeoVolume* cuVolume = new TGeoVolume(Form(fgkCuName,id),cuShape,fCopper);
+ TGeoShape* cuShape = MakeXTRU(r->GetHybridVerticies(), cuThick);
+ cuShape->SetName(Form("FMD%c_hybrid_copper", id));
+ cuShape->SetTitle(Form("FMD %s hybrid copper", lName));
+ 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);
- TGeoVolume* chipVolume = new TGeoVolume(Form(fgkChipName,id),
- chipShape,fChip);
+ TGeoShape* chipShape = MakeXTRU(r->GetHybridVerticies(), chipThick);
+ chipShape->SetName(Form("FMD%c_hybrid_chip", id));
+ chipShape->SetTitle(Form("FMD %s hybrid chip", lName));
+ TString chipName = TString::Format(fgkChipName,id);
+ TGeoVolume* chipVolume = new TGeoVolume(chipName,chipShape,fChip);
+ chipVolume->SetTitle(Form("FMD %s hybrid chip", lName));
- // Short leg shape
- TGeoTube* shortLegShape = new TGeoTube(0, legr, legl / 2);
- TGeoVolume* shortLegVolume = new TGeoVolume(Form(fgkShortLegName, id),
- shortLegShape, fPlastic);
+ //------------------------------------------------------------------
+ // 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-lege) / 2);
+ shortLegShape->SetName(Form(fgkShortLegName, id));
+ shortLegShape->SetTitle(Form("FMD %s short support foot", lName));
+ 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);
- TGeoVolume* longLegVolume = new TGeoVolume(Form(fgkLongLegName, id),
- longLegShape, fPlastic);
-
+ TGeoTube* longLegShape = new TGeoTube(0, legr,
+ (legl - lege + modSpace) / 2);
+ longLegShape->SetName(Form(fgkLongLegName, id));
+ longLegShape->SetTitle(Form("FMD %s long support foot", lName));
+ 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));
- Double_t x = 0;
- Double_t y = 0;
- Double_t z = 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
+ backVolume->SetTitle(Form("FMD %s back module", lName));
TGeoVolume* frontVolume = new TGeoVolumeAssembly(Form(fgkFrontVName, id));
- x = 0;
- y = 0;
- z = pcbThick / 2;
- frontVolume->AddNode(pcbVolume, 1, 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));
+ frontVolume->SetTitle(Form("FMD %s front module", lName));
+
+ 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 ddpt = r->GetFMDDPrintboardThickness();
+ Double_t ddct = r->GetFMDDCopperThickness();
+ Double_t ddit = r->GetFMDDChipThickness();
+ Double_t ddt = ddpt + ddct + ddit;
+
+ 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));
+
+ TString fmddPcbName = TString::Format(fgkFMDDPCBName, id);
+ TGeoVolume* fmddPcbVolume = new TGeoVolume(fmddPcbName,
+ fmddPcbShape, fPCB);
+ TString fmddCuName = TString::Format(fgkFMDDCuName, id);
+ TGeoVolume* fmddCuVolume = new TGeoVolume(fmddCuName,
+ fmddCuShape, fCopper);
+ 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));
TGeoVolume* halfRing = ringTopVolume;
-
+ 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();
- AliDebug(10, Form("making %d modules in ring %c", nmod, id));
+ 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);
- Double_t z1 = siThick / 2 + (i % 2) * modSpace;
- Double_t z2 = z1 + siThick / 2 + space;
- Double_t th = (2 * i + 1) * theta;
+ Bool_t front = (i % 2 == (rng == 'I' ? 1 : 0));
TGeoVolume* vol = (front ? frontVolume : backVolume);
- AliDebug(20, Form("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));
+ // vol->AddNode(sensorVolume, i, new TGeoTranslation(0,0,siThick/2));
+ 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);
- halfRing->AddNode(sensorVolume, i, mat1);
- TGeoMatrix* mat2 = new TGeoCombiTrans(0,0,z2,0);
- mat2->RotateZ(th);
- halfRing->AddNode(vol, i, mat2);
+ mat1->SetName(Form("FMD%c_module_%02d", id, i));
+ mat1->SetTitle(Form("FMD %s module %2d matrix", lName, i));
+ halfRing->AddNode(vol, i, mat1);
}
+ //------------------------------------------------------------------
+ // Add the FMDD
+ Double_t zi = r->GetFullDepth() - ddt;
+ Int_t n = 2;
+ for (Int_t i = 0; i < n; i++) {
+ halfRing = (i == 0 ? ringTopVolume : ringBotVolume);
+ Double_t phi = 360. / n * i;
+ TGeoRotation* rot = new TGeoRotation(Form("FMDD%c rotation %d", id, i));
+ rot->RotateZ(phi);
+ rot->SetTitle(Form("FMD %s digitiser rotation %2d", lName, i));
+ 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));
+ z += (ddct + ddit) / 2;
+ halfRing->AddNode(fmddChipVolume, i, new TGeoCombiTrans(0,0,z,rot));
+ }
+
+
return 0;
}
+
+//____________________________________________________________________
+TGeoShape*
+AliFMDGeometryBuilder::HoneycombShape(Int_t id, Char_t ring,
+ double r1, double r2,
+ double w, double t, double c)
+{
+ // Make a honey comb shape from passed parameters.
+ // Parameters:
+ // id Detector identifier (1,2, or 3)
+ // ring Ring identifier ('I' or 'O')
+ // r1 Inner radius
+ // r2 Outer radius
+ // w width
+ // t Thickness of material
+ // c Clearing from horizontal.
+ // Return
+ // Pointer to newly allocated composite shape.
+ TString form = Form("FMD%d%c_%%c_%%c", id, ring);
+ double a1 = TMath::ATan2(c, r1) * 180 / TMath::Pi();
+
+ TString fn = Form(form.Data(),'F','1');
+ TString bn = Form(form.Data(),'B','1');
+ TString cn = Form(form.Data(),'C','O');
+ TString in = Form(form.Data(),'R','I');
+ TString on = Form(form.Data(),'R','O');
+ TString en = Form(form.Data(),'E','X');
+ double y = c;
+ double x = r1 * TMath::Cos(TMath::Pi()*a1/180);
+ new TGeoTubeSeg(fn.Data(),r1,r2,t/2,0,180);
+ new TGeoTubeSeg(bn.Data(),r1,r2,t/2,0,180);
+ new TGeoBBox(cn.Data(),(r2-r1)/2,t/2,w/2);
+ new TGeoTubeSeg(in.Data(),r1,r1+t,w/2,0,180);
+ new TGeoTubeSeg(on.Data(),r2-t,r2,w/2,0,180);
+ new TGeoBBox(en.Data(),r2+.005,c/2+.005,w/2+.005);
+
+ TString ftn = Form(form.Data(),'F','T');
+ TString btn = Form(form.Data(),'F','B');
+ TString ltn = Form(form.Data(),'C','L');
+ TString rtn = Form(form.Data(),'C','R');
+ TString etn = Form(form.Data(),'E','X');
+ (new TGeoTranslation(ftn.Data(),0,0,+w/2-t/2))->RegisterYourself();
+ (new TGeoTranslation(btn.Data(),0,0,-w/2+t/2))->RegisterYourself();
+ (new TGeoTranslation(ltn.Data(),-(x+(r2-r1)/2), y+t/2,0))->RegisterYourself();
+ (new TGeoTranslation(rtn.Data(),(x+(r2-r1)/2), y+t/2,0))->RegisterYourself();
+ (new TGeoTranslation(etn.Data(),0, c/2,0))->RegisterYourself();
+
+ TString comp(Form("(%s:%s+%s:%s+%s+%s+%s:%s+%s:%s)-%s:%s",
+ fn.Data(),ftn.Data(),
+ bn.Data(),btn.Data(),
+ in.Data(),on.Data(),
+ cn.Data(),ltn.Data(),
+ cn.Data(),rtn.Data(),
+ en.Data(),etn.Data()));
+ TGeoCompositeShape* shape = new TGeoCompositeShape(comp.Data());
+ shape->SetName(Form(fgkHCName,id,ring));
+ shape->SetTitle(Form("FMD%d%c Honeycomb shape", id, 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,
if (!r) continue;
Char_t c = r->GetId();
Int_t id = d->GetId();
- Double_t hcThick = d->GetHoneycombThickness();
- Double_t alThick = d->GetAlThickness();
+ Double_t hcThick = r->GetHoneycombThickness();
+ Double_t alThick = r->GetAlThickness();
Double_t z = TMath::Abs(rz - zMother);
// Place ring in mother volume
// TGeoMatrix*matrix=new TGeoTranslation(Form("FMD%d%c trans",id,c),0,0,0);
- AliDebug(5, Form("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));
botMother->AddNode(bvol, Int_t(c), new TGeoTranslation(0,0,z));
- // Top of Honeycomb
- TGeoTubeSeg* hcSha = new TGeoTubeSeg(lowr, highr, hcThick/2, 0, 180);
+ // Honeycomp
+ TGeoShape* hcSha = HoneycombShape(id, c, lowr, highr, hcThick, alThick);
TGeoVolume* hcVol = new TGeoVolume(Form(fgkHCName,id,c),hcSha,fAl);
- // Air in top of honeycomb
- TGeoTubeSeg* ihcSha = new TGeoTubeSeg(lowr+alThick, highr - alThick,
- (hcThick-alThick)/2, 0, 180);
- TGeoVolume* ihcVol = new TGeoVolume(Form(fgkIHCName,id,c),ihcSha,fAir);
- hcVol->AddNode(ihcVol, 0);
- hcVol->VisibleDaughters(kFALSE);
- hcVol->SetVisibility(kTRUE);
-
- z += (r->GetSiThickness() +
- r->GetSpacing() +
- r->GetPrintboardThickness() +
- r->GetCopperThickness() +
- r->GetChipThickness() +
- r->GetModuleSpacing() +
- r->GetLegLength() +
- hcThick / 2);
-
- AliDebug(15, Form("Placing a copy of %s in %s and %s at z=%f",
+ hcVol->SetTitle(Form("FMD%d%c honeycomb shell", id, c));
+
+ 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(),
botMother->GetName(), z));
// Add to top
// Add to bottom
TGeoMatrix* bhcMatrix = new TGeoCombiTrans(0,0,z,0);
+ bhcMatrix->SetName(Form("FMD%d%c_honeycomp", id, c));
+ bhcMatrix->SetTitle(Form("FMD%d%c honeycomp", id, c));
bhcMatrix->RotateZ(180);
botMother->AddNode(hcVol, 1, bhcMatrix);
}
//____________________________________________________________________
TGeoVolume*
-AliFMDGeometryBuilder::FMD1Geometry(AliFMD1* fmd1,
+AliFMDGeometryBuilder::FMD1Geometry(const AliFMD1* fmd1,
TGeoVolume* innerTop,
TGeoVolume* innerBot)
{
// See also AliFMDGeometryBuilder::DetectorGeometry
//
if (!fmd1 || !innerTop || !innerBot) return 0;
+ AliFMDRing* r = fmd1->GetInner();
Double_t z = fmd1->GetInnerZ();
- TGeoVolume* fmd1TopVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd1->GetId(), 'T'));
- TGeoVolume* fmd1BotVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd1->GetId(), 'B'));
+
+ // `Top' or `Outside' master volume
+ TString fmd1TopName = TString::Format(fgkFMDName, fmd1->GetId(), 'T');
+ TGeoVolume* fmd1TopVolume = new TGeoVolumeAssembly(fmd1TopName);
+ fmd1TopVolume->SetTitle("FMD1 top half");
+
+ // `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);
+ 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]);
+
+
+ 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 ? ')' : '+')));
+ }
+ 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. / 2 * i;
+ TGeoRotation* rot = new TGeoRotation(Form("FMD1_lid_rot%d",i));
+ rot->RotateZ(phi);
+ 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);
- AliDebug(5, Form("Placing volumes %s and %s in ALIC at z=%f",
+ // TGeoMatrix* matrix = new TGeoTranslation("FMD1 trans", 0, 0, z);
+ TGeoRotation* rot = new TGeoRotation("FMD1 rotatation");
+ 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;
- Double_t z = fmd2->GetOuterZ();
- TGeoVolume* fmd2TopVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd2->GetId(), 'T'));
- TGeoVolume* fmd2BotVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd2->GetId(), 'B'));
+ AliFMDRing* ring = fmd2->GetOuter();
+ Double_t z = fmd2->GetOuterZ();
+ 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,coverhr,backth/2,0,180);
+ TGeoVolume* coverVolume = new TGeoVolume(Form(fgkTopName, fmd2->GetId()),
+ coverShape, fC);
+ cylinderShape->SetName(Form(fgkBackName, fmd2->GetId()));
+ cylinderShape->SetTitle("FMD2 cylinder");
+ cylinderVolume->SetTitle("FMD2 cylinder");
+ cylinderVolume->SetTransparency(63);
+ coverShape->SetName(Form(fgkTopName, fmd2->GetId()));
+ coverShape->SetTitle("FMD2 cover");
+ coverVolume->SetTitle("FMD2 cover");
+ coverVolume->SetTransparency(63);
+
+ 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;
+
+ 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));
+
+ 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));
+
+ for (Int_t i = 0; i < 2; i++) {
+ TGeoVolume* mother = (i < 1 ? 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(0, 0, framelz, rot);
+ mother->AddNode(support, i, matrix);
+ }
+
// Must be done after filling the assemblies
TGeoVolume* top = gGeoManager->GetVolume("ALIC");
TGeoMatrix* matrix = new TGeoTranslation("FMD2 trans", 0, 0, z);
- AliDebug(5, Form("Placing volumes %s and %s in ALIC at z=%f",
+ AliFMDDebug(5, ("Placing volumes %s and %s in ALIC at z=%f",
fmd2TopVolume->GetName(), fmd2BotVolume->GetName(), z));
top->AddNode(fmd2TopVolume, fmd2->GetId(), matrix);
top->AddNode(fmd2BotVolume, fmd2->GetId(), matrix);
+
return 0;
}
//____________________________________________________________________
TGeoVolume*
-AliFMDGeometryBuilder::FMD3Geometry(AliFMD3* fmd3,
+AliFMDGeometryBuilder::FMD3Geometry(const AliFMD3* fmd3,
TGeoVolume* innerTop,
TGeoVolume* innerBot,
TGeoVolume* outerTop,
// 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 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();
- Double_t zi;
-
- TGeoVolume* fmd3TopVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd3->GetId(), 'T'));
- TGeoVolume* fmd3BotVolume = new TGeoVolumeAssembly(Form(fgkFMDName,
- fmd3->GetId(), 'B'));
-
-
- DetectorGeometry(fmd3, fmd3TopVolume, fmd3BotVolume, z,
+
+ //__________________________________________________________________
+ // Basic detector set-up.
+ 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(),
innerTop, innerBot, outerTop, outerBot);
+ //__________________________________________________________________
+ // Mother for all support material
+ TGeoVolumeAssembly* support = new TGeoVolumeAssembly("F3SU");
+ support->SetTitle("FMD3 support");
- // Nose volume
- TGeoTubeSeg* noseShape = new TGeoTubeSeg(noser1, noser2, nlen / 2, 0, 180);
- TGeoVolume* noseVolume = new TGeoVolume(fgkNoseName, noseShape, fC);
- zi = -nz + nlen / 2 + z;
-
- fmd3TopVolume->AddNode(noseVolume, 0, new TGeoTranslation(0, 0, zi));
- TGeoMatrix* nmatrix = new TGeoCombiTrans(0, 0, zi, 0);
- nmatrix->RotateZ(180);
- fmd3BotVolume->AddNode(noseVolume, 1, nmatrix);
-
- // Back
- TGeoTubeSeg* backShape = new TGeoTubeSeg(backr1, backr2, backl / 2, 0, 180);
- TGeoVolume* backVolume = new TGeoVolume(fgkBackName, backShape, fC);
- zi = -nz + conel - backl / 2 + z;
- fmd3TopVolume->AddNode(backVolume, 0, new TGeoTranslation(0, 0, zi));
- TGeoMatrix* bmatrix = new TGeoCombiTrans(0, 0, zi, 0);
- bmatrix->RotateZ(180);
- fmd3BotVolume->AddNode(backVolume, 1, bmatrix);
-
-
- Int_t n;
- Double_t r;
- // The flanges
- TGeoBBox* flangeShape = new TGeoBBox((flanger - backr2) / 2,
- fmd3->GetBeamWidth() / 2,
- backl / 2);
- TGeoVolume* flangeVolume = new TGeoVolume(fgkFlangeName, flangeShape, fC);
- n = fmd3->GetNFlange();
- r = backr2 + (flanger - backr2) / 2;
- TGeoVolume* mother = fmd3TopVolume;
- for (Int_t i = 0; i < n; i++) {
- if (i >= n / 2) mother = fmd3BotVolume;
- 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);
- AliDebug(15, Form("Placing flange %d in %s at (%f,%f,%f) r=%f, phi=%f",
- i, mother->GetName(), x, y, zi, r, phi));
- TGeoRotation* rot = new TGeoRotation;
- rot->RotateZ(phi);
- TGeoMatrix* matrix = new TGeoCombiTrans(x, y, zi, rot);
- mother->AddNode(flangeVolume, i, matrix);
+ //__________________________________________________________________
+ // Base of cone
+ const TObjArray& radii = fmd3->ConeRadii();
+ Int_t nRadii = radii.GetEntriesFast();
+ TGeoPcon* coneBase = new TGeoPcon("FMD3_cone_base", 0., 180., nRadii);
+ TVector3* r5 = 0;
+ TVector3* r4 = 0;
+ for (Int_t i = 0; i < nRadii; i++) {
+ TVector3* v = static_cast<TVector3*>(radii.At(i));
+ coneBase->DefineSection(i, v->X(), v->Y(), v->Z());
+ if (i == 5) r5 = v;
+ else if (i == 4) r4 = v;
}
+ TString coneComb("(FMD3_cone_base");
- // The Beams
- TGeoBBox* beamShape = new TGeoBBox(fmd3->GetBeamThickness() / 2,
- fmd3->GetBeamWidth() / 2 - .1,
- beaml / 2);
- TGeoVolume* beamVolume = new TGeoVolume(fgkBeamName, beamShape, fC);
- n = fmd3->GetNBeam();
- r = noser2 + tdist / 2;
- zi = - nz + nlen + zdist / 2 + z;
- mother = fmd3TopVolume;
- for (Int_t i = 0; i < n; i++) {
- if (i >= n / 2) mother = fmd3BotVolume;
- Double_t phi = 360. / n * i;
- Double_t x = r * TMath::Cos(TMath::Pi() / 180 * phi);
- Double_t y = r * TMath::Sin(TMath::Pi() / 180 * phi);
- TGeoRotation* rot = new TGeoRotation(Form("FMD3 beam rotation %d", i));
- // Order is important
- rot->RotateY(-theta);
- rot->RotateZ(phi);
- TGeoMatrix* matrix = new TGeoCombiTrans(Form("FMD3 beam trans %d", i),
- x, y, zi, rot);
- mother->AddNode(beamVolume, i, matrix);
+ //__________________________________________________________________
+ // Flanges
+ double flangeDepth = fmd3->GetFlangeDepth() / 2;
+ double flangeLength = fmd3->GetFlangeLength() / 2;
+ double flangeWidth = fmd3->GetFlangeWidth() / 2;
+ new TGeoBBox("FMD3_flange_base", flangeLength, flangeWidth, flangeDepth);
+
+ // Fiducial holes
+ const TObjArray& fiducialHoles = fmd3->FiducialHoles();
+ double fiducialRadius = fmd3->GetFiducialRadius();
+#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;
+ TVector2 flangeC(flangeX * TMath::Cos(flangeAngle),
+ flangeX * TMath::Sin(flangeAngle));
+ TString flangeComb("FMD3_flange_base-(");
+#if 0// For debugging geometry
+ TGeoVolume* fiducialVolume = new TGeoVolume("FMD3_fiducial", fiducialShape);
+ fiducialVolume->SetLineColor(kGreen);
+#endif
+ for (Int_t i = 0; i < nFiducialHoles; i++) {
+ TVector2& v = *(static_cast<TVector2*>(fiducialHoles.At(i)));
+ v -= flangeC;
+ TVector2 r = v.Rotate(-flangeAngle);
+ TGeoTranslation* t1 = new TGeoTranslation(r.X(), r.Y(), 0);
+ TGeoTranslation* t2 = new TGeoTranslation(r.X(), -r.Y(), 0);
+ t1->SetName(Form("FMD3_fiducial_hole_rot%d", 2*i+0));
+ t2->SetName(Form("FMD3_fiducial_hole_rot%d", 2*i+1));
+ t1->RegisterYourself();
+ t2->RegisterYourself();
+ 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 0 // For debugging geometry
+ support->AddNode(fiducialVolume, 2*i+0, t1);
+ support->AddNode(fiducialVolume, 2*i+1, t2);
+#endif
+ }
+
+ // Final flange shape, and at to full shape
+ TGeoCompositeShape* flangeShape = new TGeoCompositeShape(flangeComb.Data());
+ flangeShape->SetName("FMD3_flange");
+ for (Int_t i = 0; i < 2; i++) {
+ TGeoRotation* rot = new TGeoRotation();
+ rot->RotateZ((i+.5)*90);
+ TVector2 v(flangeX, 0);
+ TVector2 w = v.Rotate((i+.5) * 2 * flangeAngle);
+ TGeoCombiTrans* trans = new TGeoCombiTrans(w.X(),w.Y(),
+ r4->X()+flangeDepth, rot);
+ trans->SetName(Form("FMD3_flange_matrix%d", i));
+ trans->RegisterYourself();
+ coneComb.Append(Form("+FMD3_flange:FMD3_flange_matrix%d", i));
+ }
+ coneComb.Append(")-(");
+
+ //__________________________________________________________________
+ // Holes
+ 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();
+ Double_t holeA2 = TMath::Pi() - fmd3->GetConeOuterAngle();
+ Double_t holeO = fmd3->GetHoleOffset();
+ Double_t holeZ = (holeO
+ + holeL * TMath::Cos(holeA)
+ - 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->SetName("FMD3_cone_hole_rotation");
+ holeRot->RotateZ(90);
+ holeRot->RotateY(holeA*180/TMath::Pi());
+ TGeoCombiTrans* holeBaseTrans = new TGeoCombiTrans(holeX, 0, holeZ, holeRot);
+ holeBaseTrans->SetName("FMD3_cone_hole_base_matrix");
+ // 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++) {
+ Double_t ang = 360. / 8 * (i + .5);
+ TGeoCombiTrans* trans = new TGeoCombiTrans(*holeBaseTrans);
+ trans->RotateZ(ang);
+ trans->SetName(Form("FMD3_cone_hole_matrix%d", i));
+ trans->RegisterYourself();
+ 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));
+ support->AddNode(plateVolume, i, trans);
}
- z = fmd3->GetInnerZ();
- TGeoRotation* rot = new TGeoRotation("FMD3 rotatation");
+ //__________________________________________________________________
+ // Bolts
+ Double_t boltRadius = fmd3->GetBoltRadius();
+ Double_t boltLength = fmd3->GetBoltLength() / 2;
+ Double_t boltZ1 = fmd3->GetInnerZ()+fmd3->GetNoseZ()-10;
+ Double_t boltZ2 = fmd3->GetInnerZ()+fmd3->GetNoseZ()-20;
+ Double_t boltXE = 2*boltLength*TMath::Cos(fmd3->GetConeOuterAngle());
+ Double_t boltX1 = (fmd3->ConeR(boltZ1) - boltXE);
+ Double_t boltX2 = (fmd3->ConeR(boltZ2) - boltXE);
+
+ new TGeoTube("FMD3_bolt_hole", 0, boltRadius, boltLength+.2);
+ TGeoTube* boltShape = new TGeoTube("FMD3_bolt", 0, boltRadius, boltLength);
+ TGeoRotation* boltRot = new TGeoRotation();
+ boltRot->RotateY(-fmd3->GetConeOuterAngle()*180/TMath::Pi());
+ TGeoCombiTrans* boltTrans1 = new TGeoCombiTrans(boltX1, 0, 10, boltRot);
+ TGeoCombiTrans* boltTrans2 = new TGeoCombiTrans(boltX2, 0, 20, boltRot);
+ TGeoCombiTrans* boltTrans3 = new TGeoCombiTrans(*boltTrans1);
+ TGeoCombiTrans* boltTrans4 = new TGeoCombiTrans(*boltTrans2);
+ boltTrans3->RotateZ(180);
+ boltTrans4->RotateZ(180);
+ boltTrans1->SetName("FMD3_bolt_matrix1");
+ boltTrans2->SetName("FMD3_bolt_matrix2");
+ boltTrans3->SetName("FMD3_bolt_matrix3");
+ boltTrans4->SetName("FMD3_bolt_matrix4");
+ boltTrans1->RegisterYourself();
+ boltTrans2->RegisterYourself();
+ boltTrans3->RegisterYourself();
+ boltTrans4->RegisterYourself();
+ 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("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("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);
+ t2->RotateZ(180);
+ fmd3BotVolume->AddNode(support, 2, t2);
+
+ TGeoRotation* rot = new TGeoRotation("FMD3 rotatation");
rot->RotateY(180);
- TGeoVolume* top = gGeoManager->GetVolume("ALIC");
- TGeoMatrix* mmatrix = new TGeoCombiTrans("FMD3 trans", 0, 0, z, rot);
- AliDebug(5, Form("Placing volumes %s and %s in ALIC at z=%f",
+ 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;
}
+
//____________________________________________________________________
void
AliFMDGeometryBuilder::Exec(Option_t*)
{
// Setup up the FMD geometry.
- AliDebug(1, Form("\tGeometry options: %s",
+ AliFMDDebug(1, ("\tGeometry options: %s",
(fDetailed ? "divided into strips" : "one volume")));
if (!gGeoManager) {
AliFatal("No TGeoManager defined");
fPCB = gGeoManager->GetMedium("FMD_PCB$");
fPlastic = gGeoManager->GetMedium("FMD_Plastic$");
fCopper = gGeoManager->GetMedium("FMD_Copper$");
+ fSteel = gGeoManager->GetMedium("FMD_Steel$");
- if (!fSi||!fC||!fAl||!fChip||!fAir||!fPCB||!fPlastic||!fCopper) {
+ if (!fSi||!fC||!fAl||!fChip||!fAir||!fPCB||!fPlastic||!fCopper||!fSteel) {
AliError("Failed to get some or all tracking mediums");
return;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff