#include <TGeoTube.h>
#include <TGeoCone.h>
#include <TGeoPcon.h>
+#include <TGeoCompositeShape.h>
#include "AliConst.h"
#include "AliDIPOv3.h"
AliDIPOv3::AliDIPOv3()
{
//
- // Last design of magnetic dipole version 2
+ // Last design of magnetic dipole version 3
//
}
: AliDIPOv2(name,title)
{
//
- // Standard constructor for the magnetic dipole version 2
+ // Standard constructor for the magnetic dipole version 3
}
{
// Detailed dipole geometry as built
//
+// Drawing: ALIP2A__0026
+// Geometer measurements: EDMS 596079
+// EDMS 584963
+
//
// The top volume
//
//
// Media
//
- TGeoMedium* kMedSteel = gGeoManager->GetMedium("DIPO_ST_C3");
- TGeoMedium* kMedCoil = gGeoManager->GetMedium("DIPO_Coil_C1");
- TGeoMedium* kMedCoilSh = gGeoManager->GetMedium("DIPO_Coil_C3");
- TGeoMedium* kMedCable = gGeoManager->GetMedium("DIPO_ALU_C2");
- TGeoMedium* kMedAlu = gGeoManager->GetMedium("DIPO_ALU_C2");
- TGeoMedium* kMedAir = gGeoManager->GetMedium("DIPO_AIR_MUON");
+ TGeoMedium* kMedSteel = gGeoManager->GetMedium("DIPO_ST_C3");
+ TGeoMedium* kMedCoil = gGeoManager->GetMedium("DIPO_Coil_C1");
+ TGeoMedium* kMedCoilSh = gGeoManager->GetMedium("DIPO_Coil_C3");
+ TGeoMedium* kMedCable = gGeoManager->GetMedium("DIPO_ALU_C2");
+ TGeoMedium* kMedAlu = gGeoManager->GetMedium("DIPO_ALU_C2");
+ TGeoMedium* kMedAir = gGeoManager->GetMedium("DIPO_AIR_MUON");
//
-// Rotations
+// Rotations
//
- TGeoRotation* rotxz = new TGeoRotation("rotxz", 90., 0., 90., 90., 180., 0.);
+ Float_t alhc = 0.794;
+
+ TGeoRotation* rotxz = new TGeoRotation("rotxz", 270., 0., 90., 90., 180., 0.);
+ TGeoRotation* rotiz = new TGeoRotation("rotiz", 90., 0., 90., 90., 180., 0.);
+ TGeoRotation* rotxzlhc = new TGeoRotation("rotxzlhc", 180., 180. + alhc, 0.);
+
TGeoRotation* rotxz108 = new TGeoRotation("rotxz108", 90., 108., 90., 198., 180., 0.);
TGeoRotation* rotxz180 = new TGeoRotation("rotxz180", 90., 180., 90., 270., 180., 0.);
TGeoRotation* rotxz288 = new TGeoRotation("rotxz288", 90., 288., 90., 18., 180., 0.);
TGeoRotation* rotxy108 = new TGeoRotation("rotxy108", 90., 108., 90., 198., 0., 0.);
TGeoRotation* rotxy288 = new TGeoRotation("rotxy288", 90., 288., 90., 18., 0., 0.);
- TGeoRotation* rot00 = new TGeoRotation("rot00", 180., 0., 90., 151., 90., 61.);
- TGeoRotation* rot01 = new TGeoRotation("rot01", 180., 0., 90., 29.,- 90., -61.);
- TGeoRotation* rot02 = new TGeoRotation("rot02", 0., 0., 90., 151., 90., 61.);
- TGeoRotation* rot03 = new TGeoRotation("rot03", 0., 0., 90., 29.,- 90., -61.);
- TGeoRotation* rot04 = new TGeoRotation("rot04", 90., 61., 90., 151., 0., 0.);
- TGeoRotation* rot05 = new TGeoRotation("rot05", 90., -61., 90.,-151., 0., 0.);
- TGeoRotation* rot06 = new TGeoRotation("rot06", 90., 119., 90., 209., 0., 0.);
- TGeoRotation* rot07 = new TGeoRotation("rot07", 90.,-119., 90.,-209., 0., 0.);
+ TGeoRotation* rot00 = new TGeoRotation("rot00", 180., 0., 90., 151., 90., 61.);
+ TGeoRotation* rot01 = new TGeoRotation("rot01", 180., 0., 90., 29.,- 90., -61.);
+ TGeoRotation* rot02 = new TGeoRotation("rot02", 0., 0., 90., 151., 90., 61.);
+ TGeoRotation* rot03 = new TGeoRotation("rot03", 0., 0., 90., 29.,- 90., -61.);
+ TGeoRotation* rot04 = new TGeoRotation("rot04", 90., 61., 90., 151., 0., 0.);
+ TGeoRotation* rot05 = new TGeoRotation("rot05", 90., -61., 90.,-151., 0., 0.);
+ TGeoRotation* rot06 = new TGeoRotation("rot06", 90., 119., 90., 209., 0., 0.);
+ TGeoRotation* rot07 = new TGeoRotation("rot07", 90.,-119., 90.,-209., 0., 0.);
+
+ const Float_t dipoleL = 498.;
+ const Float_t kZDipoleR = 1244.;
+ const Float_t kZDipole = kZDipoleR - dipoleL/2.;
+ const Float_t kZDipoleF = kZDipoleR - dipoleL;
+ const Float_t yokeLength = 309.4;
+ const Float_t blockLength = yokeLength / 7.;
+ const Float_t gapWidthFront = 297.6;
+ const Float_t gapWidthRear = 395.4;
+ const Float_t dGap = (gapWidthRear - gapWidthFront) / 12.;
+ const Float_t gapHeight = 609.1;
+ const Float_t blockHeight = 145.45;
+ const Float_t dzCoil = 4.45;
- const Float_t kZDipole = 975.;
Float_t dx, dy, dz;
+
+
//
- // Mother volume
- TGeoPcon* shDDIP = new TGeoPcon(0., 360., 4);
- shDDIP->DefineSection(0, -250.55, 30.1, 570.);
- shDDIP->DefineSection(1, 37.00, 30.1, 570.);
- shDDIP->DefineSection(2, 37.00, ( 37.00 + kZDipole) * TMath::Tan(2. * kDegrad), 570.);
- shDDIP->DefineSection(3, 260.55, (250.55 + kZDipole) * TMath::Tan(2. * kDegrad), 570.);
- TGeoVolume* voDDIP = new TGeoVolume("DDIP", shDDIP, kMedAir);
+ // Mother volume for muon spectrometer tracking station 3
+
+ Float_t z30 = 825.;
+ Float_t zst = 1052.;
+
+ Float_t rcD0 = (kZDipoleF - 5.) * TMath::Tan(9. * kDegrad);
+ Float_t rcD1 = kZDipole * TMath::Tan(9. * kDegrad);
+ Float_t rcD2 = rcD1 + dipoleL/2. * TMath::Tan(10.1 * kDegrad);
+ Float_t rc30 = z30 * TMath::Tan(9. * kDegrad);
+ Float_t rcst = rcD1 + (zst - kZDipole) * TMath::Tan(10.1 * kDegrad);
+
+
+ Float_t riD0 = (kZDipoleF - 5.) * TMath::Tan(2. * kDegrad) + 0.2;
+ Float_t riD1 = 30.;
+ Float_t riD2 = 35.8;
+ Float_t riD3 = riD2 + (kZDipoleR - zst) * TMath::Tan(2. * kDegrad);
+ Float_t riD4 = riD2 + (kZDipoleR - zst + 5.) * TMath::Tan(2. * kDegrad);
+
+
+ TGeoPcon* shDDIP1 = new TGeoPcon("shDDIP1", 0., 360., 7);
+
+ shDDIP1->DefineSection(0, (kZDipoleF - 5.), riD0, rcD0);
+ shDDIP1->DefineSection(1, z30 , riD1, rc30);
+ shDDIP1->DefineSection(2, kZDipole , riD1, rcD1);
+ shDDIP1->DefineSection(3, zst , riD1, rcst);
+ shDDIP1->DefineSection(4, zst , riD2, rcst);
+ shDDIP1->DefineSection(5, kZDipoleR , riD3, rcD2);
+ shDDIP1->DefineSection(6, (kZDipoleR + 5.), riD4, rcD2);
+
+ TGeoBBox* shDDIP2 = new TGeoBBox(164., 182., 36.);
+ shDDIP2->SetName("shDDIP2");
+ TGeoTranslation* trDDIP2 = new TGeoTranslation("trDDIP2", 0., 0., kZDipole - 12.);
+ trDDIP2->RegisterYourself();
+
+ TGeoTube* shDDIP3 = new TGeoTube(0., 30., 40.);
+ shDDIP3->SetName("shDDIP3");
+
+
+ TGeoCompositeShape* shDDIP = new TGeoCompositeShape("shDDIP", "shDDIP1+(shDDIP2:trDDIP2-shDDIP3:trDDIP2)");
+ TGeoVolume* voDDIP = new TGeoVolume("DDIP", shDDIP, kMedAir);
//
// Yoke
//
- Float_t yokeLength = 309.4;
- Float_t blockLength = yokeLength / 7.;
- Float_t gapWidthFront = 297.6;
- Float_t gapWidthRear = 395.4;
- Float_t dGap = (gapWidthRear - gapWidthFront) / 12.;
- Float_t gapHeight = 609.1;
- Float_t blockHeight = 147.1;
-
TGeoVolumeAssembly* asYoke = new TGeoVolumeAssembly("DYoke");
// Base
asYoke->AddNode(asYokeSide, 1, new TGeoTranslation(+lx0/2. + 3. * dGap - blockHeight/2., 0., 0.));
- asYoke->AddNode(asYokeSide, 2, new TGeoCombiTrans( -lx0/2. - 3. * dGap + blockHeight/2., 0., 0., rotxz));
+ asYoke->AddNode(asYokeSide, 2, new TGeoCombiTrans( -lx0/2. - 3. * dGap + blockHeight/2., 0., 0., rotiz));
//
// Coils
//
- Float_t coilRi = 207.;
+ Float_t coilRi = 206.;
Float_t coilD = 70.;
Float_t coilRo = coilRi + coilD;
Float_t coilH = 77.;
Float_t phiMin = -61.;
Float_t phiMax = 61.;
- Float_t lengthSt = 240. + 48.;
+ Float_t lengthSt = 240. + 33.9;
Float_t phiKnee = phiMax * kDegrad;
- Float_t rKnee = 25.;
+ Float_t rKnee = 31.5;
// Circular sections
TGeoVolumeAssembly* asCoil = new TGeoVolumeAssembly("DCoil");
TGeoVolumeAssembly* asContactor = new TGeoVolumeAssembly("DContactor");
dx = -5.;
TGeoVolume* voDC10 = new TGeoVolume("DC10",
- new TGeoTubeSeg(coilRo + 3.5, coilRo + 83.5, 1., -20., 20.),
+ new TGeoTubeSeg(coilRo + 5.1, coilRo + 73.5, 1., -20., 20.),
kMedCable);
asContactor->AddNode(voDC10, 1, new TGeoTranslation(dx, 0, -32.325));
asContactor->AddNode(voDC10, 2, new TGeoTranslation(dx, 0, +32.325));
// Coil Support
//
- Float_t sW = 89.;
+ Float_t sW = 83.;
TGeoVolumeAssembly* asDCoilSupport = new TGeoVolumeAssembly("DCoilSupport");
// Steel on the coil
TGeoVolume* voDCS02 = new TGeoVolume("DCS02",
- new TGeoTubeSeg(coilRo, coilRo + 2., sW/2., 21., 51.),
+ new TGeoTubeSeg(coilRo, coilRo + 3.125, sW/2., 21., 51.),
kMedAlu);
TGeoVolume* voDCS021 = new TGeoVolume("DCS021",
new TGeoConeSeg(sW/2., coilRo, 320., coilRo, coilRo + 2., 21., 21.4),
// Sleeves
TGeoVolume* voDCS03 = new TGeoVolume("DCS03",
- new TGeoTubeSeg(coilRi - 2., coilRo + 2., 1., 21., 51.),
+ new TGeoTubeSeg(coilRi - 3.125, coilRo + 3.125, 3.125/2., 21., 51.),
kMedAlu);
TGeoVolume* voDCS04 = new TGeoVolume("DCS04",
- new TGeoTubeSeg(coilRi - 2., coilRi, coilH/2., 21., 51.),
+ new TGeoTubeSeg(coilRi - 3.125, coilRi, coilH/2., 21., 51.),
kMedAlu);
TGeoVolume* voDCS05 = new TGeoVolume("DCS05",
- new TGeoTubeSeg(coilRi - 2., coilRo, 1., 21., 51.),
+ new TGeoTubeSeg(coilRi - 3.125, coilRo, 3.125/2., 21., 51.),
kMedAlu);
//
-
-
-
asDCoilSupport->AddNode(voDCS02, 1, new TGeoTranslation(0., 0., -(sW - coilH)/2.));
asDCoilSupport->AddNode(voDCS04, 1, gGeoIdentity);
for (Int_t i = 0; i < 9; i++)
{
- char name[16];
- sprintf(name, "rotdcs%1d", i);
+ char nameR[16];
+ sprintf(nameR, "rotdcs%1d", i);
Float_t phi = Float_t(i) * 3.75;
- TGeoRotation* rot = new TGeoRotation(name, 90., phi, 90., 90. + phi, 0., 0.);
+ TGeoRotation* rot = new TGeoRotation(nameR, 90., phi, 90., 90. + phi, 0., 0.);
asDCoilSupport->AddNode(voDCS021, i, new TGeoCombiTrans(0., 0., -(sW - coilH)/2., rot));
}
- asDCoilSupport->AddNode(voDCS01, 1, new TGeoTranslation(0., 0., -sW/2. - (sW - coilH)/2. - 1.));
- asDCoilSupport->AddNode(voDCS03, 1, new TGeoTranslation(0., 0., +coilH/2. + 1.));
- asDCoilSupport->AddNode(voDCS05, 1, new TGeoTranslation(0., 0., -coilH/2. - 1.));
+ asDCoilSupport->AddNode(voDCS01, 1, new TGeoTranslation(0., 0., -sW/2. - (sW - coilH)/2. - 3.125/2.));
+ asDCoilSupport->AddNode(voDCS03, 1, new TGeoTranslation(0., 0., +coilH/2. + 3.125/2.));
+ asDCoilSupport->AddNode(voDCS05, 1, new TGeoTranslation(0., 0., -coilH/2. - 3.125/2.));
- TGeoVolumeAssembly* asDipole = new TGeoVolumeAssembly("Dipole");
+
+ //
+ // SAA1 Support: Hanger 1
+ //
+ TGeoTranslation* trHanger = new TGeoTranslation("trHanger", 0., 250., 0.);
+ trHanger->RegisterYourself();
+
+ Float_t rmin1, rmin2, rmax1, rmax2;
+
+ Float_t zHanger1 = 811.9;
+ TGeoBBox* shHanger11 = new TGeoBBox(2.5/2., 250., 25./2.);
+ shHanger11->SetName("shHanger11");
- asDipole->AddNode(asYoke, 1, gGeoIdentity);
+ rmin1 = (zHanger1 - 13.) * TMath::Tan(2. * kDegrad);
+ rmin2 = rmin1 + 26. * TMath::Tan( 2.0 * kDegrad);
+
+ rmax1 = (zHanger1 - 13.) * TMath::Tan(9. * kDegrad);
+ rmax2 = rmax1 + 26. * TMath::Tan(9. * kDegrad);
+
+ TGeoCone* shHanger12 = new TGeoCone(13., rmin1, rmax1, rmin2, rmax2);
+ shHanger12->SetName("shHanger12");
+ TGeoCompositeShape* shHanger1 = new TGeoCompositeShape("shHanger1", "shHanger12*shHanger11:trHanger");
+ TGeoVolume* voHanger1 = new TGeoVolume("DHanger1", shHanger1, kMedSteel);
+ //
+ // SAA1 Support: Hanger 2
+ //
+ Float_t zHanger2 = 1171.9;
+ TGeoBBox* shHanger21 = new TGeoBBox(3.5/2., 250., 25./2.);
+ shHanger21->SetName("shHanger21");
+
+ rmin1 = 35.8 + (zHanger2 - 13. - zst) * TMath::Tan(2. * kDegrad);
+ rmin2 = rmin1 + 26. * TMath::Tan( 2.0 * kDegrad);
+
+ rmax1 = rcD1 + (zHanger2 - 13. - kZDipole) * TMath::Tan(10.1 * kDegrad);
+ rmax2 = rmax1 + 26. * TMath::Tan(10.1 * kDegrad);
+ TGeoCone* shHanger22 = new TGeoCone(13., rmin1, rmax1, rmin2, rmax2);
+ shHanger22->SetName("shHanger22");
+
+ TGeoCompositeShape* shHanger2 = new TGeoCompositeShape("shHanger2", "shHanger22*shHanger21:trHanger");
+
+ TGeoVolume* voHanger2 = new TGeoVolume("DHanger2", shHanger2, kMedSteel);
+ //
+ // Hanger support
+ Float_t hsLength = yokeLength + (zHanger2 - kZDipole - yokeLength/2.) + 25./2.;
+
+ TGeoVolume* voHS1 = new TGeoVolume("DHS1", new TGeoBBox( 1.5, 12.5, hsLength/2.), kMedSteel);
+ TGeoVolume* voHS2 = new TGeoVolume("DHS2", new TGeoBBox(12.5, 1.5, hsLength/2.), kMedSteel);
+ Float_t hsH = gapHeight/2. + blockHeight - (rmax1+rmax2)/2. - 2.;
+
+ TGeoVolume* voHS3 = new TGeoVolume("DHS3", new TGeoBBox(3.5/2., hsH/2., 25./2.), kMedSteel);
+
+ TGeoVolumeAssembly* asHS = new TGeoVolumeAssembly("asHS");
+ asHS->AddNode(voHS1, 1, gGeoIdentity);
+ asHS->AddNode(voHS2, 1, new TGeoTranslation(0., +14., 0.));
+ asHS->AddNode(voHS2, 2, new TGeoTranslation(0., -14., 0.));
+ asHS->AddNode(voHS3, 1, new TGeoTranslation(0., -hsH/2. - 14. -1.5, hsLength/2. - 25./2.));
+
+
+
+ dz = zHanger1;
+ voDDIP->AddNode(voHanger1, 1, new TGeoTranslation(0., 0., dz));
+
+ dz = zHanger2;
+ voDDIP->AddNode(voHanger2, 1, new TGeoTranslation(0., 0., dz));
+
+
+
+
+ // Assembly everything
+
+ TGeoVolumeAssembly* asDipole = new TGeoVolumeAssembly("Dipole");
+ // Yoke
+ asDipole->AddNode(asYoke, 1, new TGeoTranslation(0., 0., -dzCoil));
asDipole->AddNode(asCoil, 1, gGeoIdentity);
+ // Contactor
dz = lengthSt / 2. + coilH / 2. + rKnee;
- asDipole->AddNode(asContactor, 1, new TGeoTranslation(0., 0., dz));
- asDipole->AddNode(asContactor, 2, new TGeoCombiTrans( 0., 0., dz, rotxy180));
-
+ asDipole->AddNode(asContactor, 1, new TGeoTranslation(0., 0., dz + dzCoil));
+ asDipole->AddNode(asContactor, 2, new TGeoCombiTrans( 0., 0., dz - dzCoil, rotxy180));
+ // Coil support
asDipole->AddNode(asDCoilSupport, 1, new TGeoTranslation(0., 0., dz));
asDipole->AddNode(asDCoilSupport, 2, new TGeoCombiTrans( 0., 0., dz, rotxy180));
asDipole->AddNode(asDCoilSupport, 3, new TGeoCombiTrans( 0., 0., dz, rotxy108));
asDipole->AddNode(asDCoilSupport, 4, new TGeoCombiTrans( 0., 0., dz, rotxy288));
-
- asDipole->AddNode(asDCoilSupport, 5, new TGeoCombiTrans( 0., 0., -dz, rotxz));
+
+ asDipole->AddNode(asDCoilSupport, 5, new TGeoCombiTrans( 0., 0., -dz, rotiz));
asDipole->AddNode(asDCoilSupport, 6, new TGeoCombiTrans( 0., 0., -dz, rotxz108));
asDipole->AddNode(asDCoilSupport, 7, new TGeoCombiTrans( 0., 0., -dz, rotxz180));
asDipole->AddNode(asDCoilSupport, 8, new TGeoCombiTrans( 0., 0., -dz, rotxz288));
-
- voDDIP->SetVisContainers();
+
+ // Hanger (Support)
+ dy = gapHeight/2. + blockHeight + 14.;
+
+ asDipole->AddNode(asHS, 1, new TGeoTranslation(0., dy + 1.5, ((zHanger2 - kZDipole - yokeLength/2.) + 25./2.)/2.));
+
+
+ asDipole->SetVisContainers(1);
voDDIP->SetVisibility(0);
- voDDIP->AddNode(asDipole, 1, new TGeoTranslation(0., 0., -0.55));
- top->AddNode(voDDIP, 1, new TGeoCombiTrans(0., 0., -kZDipole, rotxz));
+ top->AddNode(asDipole, 1, new TGeoCombiTrans(0., dipoleL / 2. * TMath::Tan(alhc * kDegrad), -kZDipole, rotxzlhc));
+ top->AddNode(voDDIP, 1, new TGeoCombiTrans(0., 0., 0., rotxz));
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff