// //
///////////////////////////////////////////////////////////////////////////////
-#include <TVirtualMC.h>
-#include <TGeoMedium.h>
-#include <TGeoVolume.h>
-#include <TGeoMatrix.h>
-#include <TGeoPgon.h>
#include <TGeoCompositeShape.h>
+#include <TGeoGlobalMagField.h>
#include <TGeoManager.h>
+#include <TGeoMatrix.h>
+#include <TGeoMedium.h>
+#include <TGeoPgon.h>
+#include <TGeoVolume.h>
+#include <TGeoXtru.h>
+#include <TVirtualMC.h>
#include "AliMAG.h"
#include "AliMagF.h"
*/
//End_Html
- SetMarkerColor(7);
- SetMarkerStyle(2);
- SetMarkerSize(0.4);
+ //PH SetMarkerColor(7);
+ //PH SetMarkerStyle(2);
+ //PH SetMarkerSize(0.4);
}
//_____________________________________________________________________________
const Float_t kStartAngle = 22.5; // deg
const Float_t kFullAngle = 360.0; // deg
// Mother volume
- const Float_t kRBMotherInner = 560.00; // cm
+ const Float_t kRBMotherInner = 600.00; // cm
const Float_t kRBMotherOuter = 790.50; // cm
const Float_t kLBMother = 706.00; // cm
// Yoke
const Float_t kRThermalShieldInner = 566.00; // cm
const Float_t kRThermalShieldOuter = 571.00; // cm
// Crown
- const Float_t kRCrownInner = 560.00; // cm
+ const Float_t kRCrownInner = 600.00; // cm
const Float_t kRCrownOuter = 785.50; // cm
const Float_t kLCrown1 = 605.00; // cm
const Float_t kLCrown2 = 620.00; // cm
const Float_t kLCrown3 = 706.00; // cm
// Door
- const Float_t kRDoorInner = 246.50; // cm
- const Float_t kRDoorOuter = 560.00; // cm
+ const Float_t kRDoorOuter = 600.00; // cm
+ const Float_t kRPlugInner = 183.50; // cm
const Float_t kLDoor1 = 615.50; // cm
const Float_t kLDoor2 = 714.60; // cm
+//
+ const Float_t kDegRad = TMath::Pi()/180.;
//
TGeoMedium* medAir = gGeoManager->GetMedium("MAG_AIR_C1");
TGeoMedium* medAlu = gGeoManager->GetMedium("MAG_ALU_C1");
TGeoMedium* medAluI = gGeoManager->GetMedium("MAG_ALU_C0");
- TGeoMedium* medFe = gGeoManager->GetMedium("MAG_FE_C1");
- TGeoMedium* medFeI = gGeoManager->GetMedium("MAG_FE_C0");
+ TGeoMedium* medSteel = gGeoManager->GetMedium("MAG_ST_C1");
TGeoMedium* medWater = gGeoManager->GetMedium("MAG_WATER");
//
// Offset between LHC and LEP axis
shBMother->DefineSection(0, -kLBMother, kRBMotherInner, kRBMotherOuter);
shBMother->DefineSection(1, kLBMother, kRBMotherInner, kRBMotherOuter);
//
- TGeoVolume* voBMother = new TGeoVolume("L3BM", shBMother, medAir);
+ TGeoVolumeAssembly* voBMother = new TGeoVolumeAssembly("L3BM");
//
// Define Thermal Shield
//
shYoke->DefineSection(0, -kLYoke, kRYokeInner, kRYokeOuter);
shYoke->DefineSection(1, +kLYoke, kRYokeInner, kRYokeOuter);
//
- TGeoVolume* voYoke = new TGeoVolume("L3YO", shYoke, medFe);
+ TGeoVolume* voYoke = new TGeoVolume("L3YO", shYoke, medSteel);
voBMother->AddNode(voYoke, 1, new TGeoTranslation(0., 0., 0.));
//
shCrown->DefineSection(2, kLCrown2, kRCrownInner, kRCrownOuter);
shCrown->DefineSection(3, kLCrown3, kRCrownInner, kRCrownOuter);
//
- TGeoVolume* voCrown = new TGeoVolume("L3CR", shCrown, medFe);
- //
- // Define Door
- //
- // Original outer part
- TGeoPgon* shDoorO = new TGeoPgon(kStartAngle, kFullAngle, kNSides, 2);
- shDoorO->DefineSection(0, kLDoor1, kRDoorInner, kRDoorOuter);
- shDoorO->DefineSection(1, kLDoor2, kRDoorInner, kRDoorOuter);
- shDoorO->SetName("A");
- //
- // Additional inner part ("Plug")
- TGeoPgon* shDoorI = new TGeoPgon(kStartAngle, kFullAngle, kNSides, 3);
- shDoorI->DefineSection(0, kLDoor1, 163.5, 280.);
- shDoorI->DefineSection(1, 686., 163.5, 280.);
- shDoorI->DefineSection(2, kLDoor2, 213.5, 280.);
- shDoorI->SetName("B");
- //
- // For transport: low thresholds close to chambers requires special medium
- //
- TGeoPgon* shDoorIe = new TGeoPgon(kStartAngle, kFullAngle, kNSides, 3);
- shDoorIe->DefineSection(0, kLDoor1, 163.5, 168.5);
- shDoorIe->DefineSection(1, 686., 163.5, 168.5);
- shDoorIe->DefineSection(2, kLDoor2, 213.5, 218.5);
- TGeoVolume* voDoorIe = new TGeoVolume("L3DE", shDoorIe, medFeI);
- //
- // Use composite shape here to account for the excentric door opening.
- // This avoids the overlap with the beam shield and the muon tracking station 1
+ TGeoVolume* voCrown = new TGeoVolume("L3CR", shCrown, medSteel);
+
//
- TGeoTranslation* offset = new TGeoTranslation("t1", 0., -os, 0.);
- offset->RegisterYourself();
-
- TGeoCompositeShape* shDoor = new TGeoCompositeShape("L3Door", "A+B:t1");
+ // Door including "Plug"
//
- TGeoVolume* voDoor = new TGeoVolume("L3DO", shDoor, medFe);
- voDoor->AddNode(voDoorIe, 1, new TGeoTranslation(0., -os, 0.));
+ Float_t slo = 2. * kRDoorOuter * TMath::Tan(22.5 * kDegRad);
+ Float_t sli = 2. * kRPlugInner * TMath::Tan(22.5 * kDegRad);
+ Double_t xpol1[12], xpol2[12], ypol1[12], ypol2[12];
+
+ xpol1[ 0] = 2. ; ypol1[ 0] = kRDoorOuter;
+ xpol1[ 1] = slo/2. ; ypol1[ 1] = kRDoorOuter;
+ xpol1[ 2] = kRDoorOuter; ypol1[ 2] = slo/2.;
+ xpol1[ 3] = kRDoorOuter; ypol1[ 3] = -slo/2.;
+ xpol1[ 4] = slo/2. ; ypol1[ 4] = -kRDoorOuter;
+ xpol1[ 5] = 2. ; ypol1[ 5] = -kRDoorOuter;
+ xpol1[ 6] = 2. ; ypol1[ 6] = -kRPlugInner - os;
+ xpol1[ 7] = sli/2. ; ypol1[ 7] = -kRPlugInner - os;
+ xpol1[ 8] = kRPlugInner; ypol1[ 8] = -sli/2. - os;
+ xpol1[ 9] = kRPlugInner; ypol1[ 9] = sli/2. - os;
+ xpol1[10] = sli/2. ; ypol1[10] = kRPlugInner - os;
+ xpol1[11] = 2. ; ypol1[11] = kRPlugInner - os;
+
+ TGeoXtru* shL3DoorR = new TGeoXtru(2);
+ shL3DoorR->DefinePolygon(12, xpol1, ypol1);
+ shL3DoorR->DefineSection(0, kLDoor1);
+ shL3DoorR->DefineSection(1, kLDoor2);
+ TGeoVolume* voL3DoorR = new TGeoVolume("L3DoorR", shL3DoorR, medSteel);
+
+ for (Int_t i = 0; i < 12; i++) {
+ xpol2[i] = - xpol1[11 - i];
+ ypol2[i] = ypol1[11 - i];
+ }
+
+ TGeoXtru* shL3DoorL = new TGeoXtru(2);
+ shL3DoorL->DefinePolygon(12, xpol2, ypol2);
+ shL3DoorL->DefineSection(0, kLDoor1);
+ shL3DoorL->DefineSection(1, kLDoor2);
+ TGeoVolume* voL3DoorL = new TGeoVolume("L3DoorL", shL3DoorL, medSteel);
+ //
+ // Plug support plate
+ //
+ Float_t ro = kRPlugInner + 50.;
+ slo = 2. * ro * TMath::Tan(22.5 * kDegRad);
+
+ xpol1[ 0] = 2. ; ypol1[ 0] = ro - os;
+ xpol1[ 1] = slo/2. ; ypol1[ 1] = ro - os;
+ xpol1[ 2] = ro ; ypol1[ 2] = slo/2. - os;
+ xpol1[ 3] = ro ; ypol1[ 3] = -slo/2.- os;
+ xpol1[ 4] = slo/2. ; ypol1[ 4] = -ro - os;
+ xpol1[ 5] = 2. ; ypol1[ 5] = -ro - os;
+
+ for (Int_t i = 0; i < 12; i++) {
+ xpol2[i] = - xpol1[11 - i];
+ ypol2[i] = ypol1[11 - i];
+ }
+
+
+ TGeoXtru* shL3PlugSPR = new TGeoXtru(2);
+ shL3PlugSPR->DefinePolygon(12, xpol1, ypol1);
+ shL3PlugSPR->DefineSection(0, kLDoor1-10.);
+ shL3PlugSPR->DefineSection(1, kLDoor1);
+ TGeoVolume* voL3PlugSPR = new TGeoVolume("L3PlugSPR", shL3PlugSPR, medSteel);
+
+ TGeoXtru* shL3PlugSPL = new TGeoXtru(2);
+ shL3PlugSPL->DefinePolygon(12, xpol2, ypol2);
+ shL3PlugSPL->DefineSection(0, kLDoor1-10.);
+ shL3PlugSPL->DefineSection(1, kLDoor1);
+ TGeoVolume* voL3PlugSPL = new TGeoVolume("L3PlugSPL", shL3PlugSPL, medSteel);
+
+
// Position crown and door
TGeoRotation* rotxz = new TGeoRotation("rotxz", 90., 0., 90., 90., 180., 0.);
voBMother->AddNode(voCrown, 1, new TGeoTranslation(0., 0., 0.));
voBMother->AddNode(voCrown, 2, new TGeoCombiTrans(0., 0., 0., rotxz));
l3->AddNode(voBMother, 1, new TGeoTranslation(0.,0.,0.));
- l3->AddNode(voDoor, 1, new TGeoTranslation(0., 0., 0.));
- l3->AddNode(voDoor, 2, new TGeoCombiTrans(0., 0., 0., rotxz));
+ l3->AddNode(voL3DoorR, 1, new TGeoTranslation(0., 0., 0.));
+ l3->AddNode(voL3DoorR, 2, new TGeoCombiTrans(0., 0., 0., rotxz));
+ l3->AddNode(voL3DoorL, 1, new TGeoTranslation(0., 0., 0.));
+ l3->AddNode(voL3DoorL, 2, new TGeoCombiTrans(0., 0., 0., rotxz));
+ l3->AddNode(voL3PlugSPR, 1, new TGeoTranslation(0., 0., 0.));
+ l3->AddNode(voL3PlugSPR, 2, new TGeoCombiTrans(0., 0., 0., rotxz));
+ l3->AddNode(voL3PlugSPL, 1, new TGeoTranslation(0., 0., 0.));
+ l3->AddNode(voL3PlugSPL, 2, new TGeoCombiTrans(0., 0., 0., rotxz));
top->AddNode(l3, 1, new TGeoTranslation(0., os, 0.));
}
// Create materials for L3 magnet
//
- Int_t isxfld = gAlice->Field()->Integ();
- Float_t sxmgmx = gAlice->Field()->Max();
+ Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
+ Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
Float_t epsil, stmin, deemax, tmaxfd, stemax;
// --- Define the various materials for GEANT ---
-
+ // Steel
+ Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
+ Float_t zsteel[4] = { 26.,24.,28.,14. };
+ Float_t wsteel[4] = { .715,.18,.1,.005 };
Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
Float_t zAir[4]={6.,7.,8.,18.};
Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
AliMaterial(9, "Al0$", 26.98, 13., 2.7, 8.9, 37.2);
AliMaterial(29, "Al1$", 26.98, 13., 2.7, 8.9, 37.2);
+ // Stainless Steel
+ AliMixture(19, "STAINLESS STEEL1", asteel, zsteel, 7.88, 4, wsteel);
+ AliMixture(39, "STAINLESS STEEL2", asteel, zsteel, 7.88, 4, wsteel);
+ AliMixture(59, "STAINLESS STEEL3", asteel, zsteel, 7.88, 4, wsteel);
// Iron
AliMaterial(10, "Fe0$", 55.85, 26., 7.87, 1.76, 17.1);
AliMaterial(30, "Fe1$", 55.85, 26., 7.87, 1.76, 17.1);
AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-
+ // Steel
+ AliMedium(19, "ST_C0 ", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(39, "ST_C1 ", 39, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+ AliMedium(59, "ST_C3 ", 59, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
// WATER
AliMedium(16, "WATER ", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
}
-//_____________________________________________________________________________
-void AliMAG::DrawModule() const
-{
- //
- // Draw a shaded view of the L3 magnet
- //
-}
-
//_____________________________________________________________________________
void AliMAG::Init()
{
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff