X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=FMD%2FAliFMDGeometryBuilder.cxx;h=999bec8f3b5028dccae8046d7b6e18f9998f38dc;hb=222f9c453274e94711b82b98e9e856936fc3f52a;hp=3050a6bf6c99618184c412a4fc55b70d8e3beeab;hpb=0b1b84c97526910254a0127141b51efe2693ee01;p=u%2Fmrichter%2FAliRoot.git diff --git a/FMD/AliFMDGeometryBuilder.cxx b/FMD/AliFMDGeometryBuilder.cxx index 3050a6bf6c9..999bec8f3b5 100644 --- a/FMD/AliFMDGeometryBuilder.cxx +++ b/FMD/AliFMDGeometryBuilder.cxx @@ -36,11 +36,16 @@ #include // ROOT_TGeoManager #include // ROOT_TGeoMatrix #include // ROOT_TGeoTube -#include // ROOT_TGeoTube +#include // ROOT_TGeoTrd1 +#include // ROOT_TGeoTrd1 #include // ROOT_TGeoVolume #include // ROOT_TGeoXtru +#include // ROOT_TGeoPcon +#include // ROOT_TGeoTorus +#include #include #include // ROOT_TVector2 +#include // ROOT_TVector3 //#include // ROOT_TGeoMaterial //#include // ROOT_TGeoMedium //#include // ROOT_TGeoPcon @@ -55,6 +60,7 @@ #include "AliFMD3.h" // ALIFMD3_H // #include "AliFMD.h" // ALIFMD_H #include "AliFMDDebug.h" // ALILOG_H +#include //==================================================================== ClassImp(AliFMDGeometryBuilder) @@ -79,9 +85,14 @@ const Char_t* AliFMDGeometryBuilder::fgkRingBotName = "F%cBV"; 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"; //____________________________________________________________________ @@ -101,7 +112,8 @@ AliFMDGeometryBuilder::AliFMDGeometryBuilder() fChip(0), fAir(0), fPlastic(0), - fCopper(0) + fCopper(0), + fSteel(0) { // Default constructor fActiveId.Set(2); @@ -124,7 +136,8 @@ AliFMDGeometryBuilder::AliFMDGeometryBuilder(Bool_t detailed) fChip(0), fAir(0), fPlastic(0), - fCopper(0) + fCopper(0), + fSteel(0) { // Normal constructor // @@ -136,10 +149,42 @@ AliFMDGeometryBuilder::AliFMDGeometryBuilder(Bool_t detailed) 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(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 @@ -157,187 +202,381 @@ AliFMDGeometryBuilder::RingGeometry(AliFMDRing* r) 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(); 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); - 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)); + // 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, @@ -390,37 +629,26 @@ AliFMDGeometryBuilder::DetectorGeometry(AliFMDDetector* d, 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); - AliFMDDebug(5, ("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); + 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(), @@ -430,6 +658,8 @@ AliFMDGeometryBuilder::DetectorGeometry(AliFMDDetector* d, // 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); } @@ -438,7 +668,7 @@ AliFMDGeometryBuilder::DetectorGeometry(AliFMDDetector* d, //____________________________________________________________________ TGeoVolume* -AliFMDGeometryBuilder::FMD1Geometry(AliFMD1* fmd1, +AliFMDGeometryBuilder::FMD1Geometry(const AliFMD1* fmd1, TGeoVolume* innerTop, TGeoVolume* innerBot) { @@ -448,33 +678,145 @@ AliFMDGeometryBuilder::FMD1Geometry(AliFMD1* fmd1, // 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); 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, @@ -486,15 +828,179 @@ AliFMDGeometryBuilder::FMD2Geometry(AliFMD2* fmd2, // 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); @@ -503,12 +1009,13 @@ AliFMDGeometryBuilder::FMD2Geometry(AliFMD2* fmd2, 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, @@ -521,103 +1028,360 @@ AliFMDGeometryBuilder::FMD3Geometry(AliFMD3* fmd3, // 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); - AliFMDDebug(15, ("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(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(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); + 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); @@ -626,6 +1390,7 @@ AliFMDGeometryBuilder::FMD3Geometry(AliFMD3* fmd3, return 0; } + //____________________________________________________________________ void AliFMDGeometryBuilder::Exec(Option_t*) @@ -646,8 +1411,9 @@ AliFMDGeometryBuilder::Exec(Option_t*) 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; }