[u/mrichter/AliRoot.git] / STRUCT / AliDIPOv3.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

#include <TVirtualMC.h>
#include <TGeoManager.h>
#include <TGeoVolume.h>
#include <TGeoMedium.h>
#include <TGeoMatrix.h>
#include <TGeoBBox.h>
#include <TGeoTube.h>
#include <TGeoCone.h>
#include <TGeoPcon.h>
#include <TGeoCompositeShape.h>

#include "AliConst.h"
#include "AliDIPOv3.h"
#include "AliMagF.h"
#include "AliRun.h"
 
ClassImp(AliDIPOv3)
 
//_____________________________________________________________________________
AliDIPOv3::AliDIPOv3() 
{
  //
  // Last design of magnetic dipole version 3
  //
}
 
//_____________________________________________________________________________
AliDIPOv3::AliDIPOv3(const char *name, const char *title)
  : AliDIPOv2(name,title),
    fCenterOfDDIPVolume(0.0)
    
{
  //
  // Standard constructor for the magnetic dipole version 3    
}


//_____________________________________________________________________________
void AliDIPOv3::CreateSpectrometerDipole()
{
// Detailed dipole geometry as built
//
// Drawing: ALIP2A__0026
// Geometer measurements: EDMS 596079
//                        EDMS 584963
    
//
// The top volume
//
    TGeoVolume* top = gGeoManager->GetVolume("ALIC");
//
// 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");
//
// Rotations 
// 
    Float_t alhc = 0.794;
    
    TGeoRotation* rotxz      = new TGeoRotation("rotxz",     90.,   0., 90.,  90.,  180., 0.);
    TGeoRotation* rotxzlhc   = new TGeoRotation("rotxzlhc", 180.,  180. + alhc, 0.);
    TGeoRotation* rotlhc     = new TGeoRotation("rotlhc",   0.,  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* rotxy180   = new TGeoRotation("rotxy180", 90., 180., 90., 270.,    0.,   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.);

    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;

    Float_t dx, dy, dz;
    

    //
    // Mother volume
    Float_t rcD1 = kZDipole * TMath::Tan(9. * kDegrad);
    TGeoPcon* shDDIP1 =  new TGeoPcon("shDDIP1", 0., 360., 4);
    shDDIP1->DefineSection(0, -dipoleL/2. - 5., 0., (kZDipoleF -5.)  * TMath::Tan(9. * kDegrad));
    shDDIP1->DefineSection(1,          0., 0., rcD1);
    Float_t rcD2 = rcD1 + dipoleL/2. * TMath::Tan(10.1 * kDegrad);
    shDDIP1->DefineSection(2, +dipoleL/2.,      0., rcD2);
    shDDIP1->DefineSection(3, +dipoleL/2. + 5., 0., rcD2);

    TGeoCombiTrans* trDDIP = new TGeoCombiTrans("trDDIP", 0., dipoleL/2. * TMath::Tan(alhc * kDegrad), 0., rotlhc);
    trDDIP->RegisterYourself();
     
    TGeoBBox* shDDIP2 =  new TGeoBBox(164., 182., 25.);
    shDDIP2->SetName("shDDIP2");
    TGeoPcon* shDDIP3 =  new TGeoPcon(  0., 360.,  5);
    shDDIP3->SetName("shDDIP3");
    Float_t z30 =  825. - kZDipole;
    Float_t zst = 1052. - kZDipole;
    
    
    shDDIP3->DefineSection(0, -dipoleL/2. - 10., 0., (kZDipoleF - 10.)  * TMath::Tan(2. * kDegrad) + 0.2);
    shDDIP3->DefineSection(1,              z30, 0.,  28.8 + 0.2);
    shDDIP3->DefineSection(2,              zst, 0.,  28.8 + 0.2);
    shDDIP3->DefineSection(3,              zst, 0.,  35.8);
    shDDIP3->DefineSection(4, +dipoleL/2. + 10., 0.,   35.8 + (dipoleL/2. + 10. - zst) * TMath::Tan(2. * kDegrad));
    
    TGeoCompositeShape*  shDDIP = new TGeoCompositeShape("shDDIP", "(shDDIP2 + shDDIP1:trDDIP) - shDDIP3:trDDIP");

    TGeoVolume*  voDDIP = new TGeoVolume("DDIP", shDDIP, kMedAir);
//
// Yoke
// 

    TGeoVolumeAssembly* asYoke = new TGeoVolumeAssembly("DYoke");	
// Base
    char name[32];
    Float_t lx0 = gapWidthFront + 2. * blockHeight;
    Float_t lx  = lx0;
    
    TGeoVolumeAssembly* asYokeBase = new TGeoVolumeAssembly("DYokeBase");	
    for (Int_t i = 0; i < 7; i++) {
	sprintf(name, "DYokeBaseBlock%1d", i);
	TGeoVolume*  voBaseBlock = new TGeoVolume(name,
						  new TGeoBBox(lx/2., blockHeight/2., blockLength/2.),
						  kMedSteel);
	asYokeBase->AddNode(voBaseBlock, 1, new TGeoTranslation(0., 0., Float_t(i - 3) * blockLength));
	lx += 2. * dGap;
    }

    asYoke->AddNode(asYokeBase, 1, new TGeoTranslation(0., -(gapHeight + blockHeight)/2. , 0.));
    asYoke->AddNode(asYokeBase, 2, new TGeoTranslation(0., +(gapHeight + blockHeight)/2. , 0.));

 
// Side Wall
    TGeoVolumeAssembly* asYokeSide = new TGeoVolumeAssembly("DYokeSide");	
    TGeoVolume*  voSideBlock = new TGeoVolume("DSideBlock",
					      new TGeoBBox(blockHeight/2., gapHeight/2., blockLength/2.),
					      kMedSteel);
    
    for (Int_t i = 0; i < 7; i++) {
	asYokeSide->AddNode(voSideBlock, i, new TGeoTranslation(Float_t(i - 3) * dGap, 0., Float_t(i - 3) * blockLength));
    }


    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));

//    
// Coils
//
    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. + 33.9;    
    Float_t phiKnee  = phiMax * kDegrad;
    Float_t  rKnee   = 31.5;
    
//  Circular sections
    TGeoVolumeAssembly* asCoil = new TGeoVolumeAssembly("DCoil");	

    TGeoVolume*  voDC1 = new TGeoVolume("DC1",
					      new TGeoTubeSeg(coilRi, coilRo, coilH / 2., phiMin, phiMax),
					      kMedCoil);
    TGeoVolume*  voDC2 = new TGeoVolume("DC2",
					      new TGeoTubeSeg(coilRi + 5., coilRo - 5., coilH / 2., phiMin, phiMax),
					      kMedCoilSh);

    voDC1->AddNode(voDC2, 1, gGeoIdentity);
    voDC2->SetVisibility(0);

    dz = lengthSt / 2. + coilH / 2. + rKnee;
    dx = 0.;
    
    asCoil->AddNode(voDC1, 1, new TGeoTranslation(-dx, 0., -dz));
    asCoil->AddNode(voDC1, 2, new TGeoCombiTrans(  dx, 0., -dz, rotxy180));
    asCoil->AddNode(voDC1, 3, new TGeoTranslation(-dx, 0.,  dz));
    asCoil->AddNode(voDC1, 4, new TGeoCombiTrans(  dx, 0.,  dz, rotxz180));

    
// 90deg Knees

    
    TGeoVolume* voDC11 = new TGeoVolume("DC11", 
				       new TGeoTubeSeg(rKnee, rKnee + coilH, coilD/2., 270., 360.),
				       kMedCoil);
    
    
    dx = - TMath::Cos(phiKnee) * (coilRi + coilD/2.); 
    dy = - TMath::Sin(phiKnee) * (coilRi + coilD/2.);  
    dz = lengthSt / 2.;

    asCoil->AddNode(voDC11, 1, new TGeoCombiTrans( dx, dy,  -dz, rot00));
    asCoil->AddNode(voDC11, 2, new TGeoCombiTrans( dx, dy,   dz, rot02));
    asCoil->AddNode(voDC11, 3, new TGeoCombiTrans(-dx, dy,  -dz, rot01));
    asCoil->AddNode(voDC11, 4, new TGeoCombiTrans(-dx, dy,   dz, rot03));

    TGeoVolume* voDC12 = new TGeoVolume("DC12", 
				       new TGeoTubeSeg(rKnee, rKnee + coilH, coilD/2., 0., 90.),
				       kMedCoil);
    

    asCoil->AddNode(voDC12, 1, new TGeoCombiTrans( dx, -dy,  -dz, rot01));
    asCoil->AddNode(voDC12, 2, new TGeoCombiTrans( dx, -dy,   dz, rot03));
    asCoil->AddNode(voDC12, 3, new TGeoCombiTrans(-dx, -dy,  -dz, rot00));
    asCoil->AddNode(voDC12, 4, new TGeoCombiTrans(-dx, -dy,   dz, rot02));

// Straight sections

    
    TGeoVolume* voDL0 = new TGeoVolume("DL0", 
				       new TGeoBBox(coilD / 2. + 2., coilH / 2. + 2., lengthSt / 2.),
				       kMedCoil);

    TGeoVolume* voDL1 = new TGeoVolume("DL1", 
				       new TGeoBBox(coilD / 2., coilH / 2., lengthSt / 2.),
				       kMedCoil);
    

    TGeoVolume* voDL2 = new TGeoVolume("DL2", 
				       new TGeoBBox(coilD / 2. - 5., coilH / 2. - 5., lengthSt / 2. - 5.),
				       kMedCoilSh);
    // Sleeves
    TGeoVolume* voDL3 = new TGeoVolume("DL3", 
				       new TGeoBBox(1., coilH / 2., 120.),
				       kMedAlu);

    TGeoVolume* voDL4 = new TGeoVolume("DL4", 
				       new TGeoBBox(coilD/2., 1., 120.),
				       kMedAlu);
    
    voDL0->SetVisibility(0);
    voDL1->AddNode(voDL2, 1, gGeoIdentity);
    voDL0->AddNode(voDL1, 1, gGeoIdentity);
    voDL0->AddNode(voDL3, 1, new TGeoTranslation(-coilD/2. - 1., 0., 0.));
    voDL0->AddNode(voDL3, 2, new TGeoTranslation(+coilD/2. + 1., 0., 0.));
    voDL0->AddNode(voDL4, 1, new TGeoTranslation(0., -coilH/2. - 1., 0.));
    voDL0->AddNode(voDL4, 2, new TGeoTranslation(0., +coilH/2. + 1., 0.));
    
    
    dx += (rKnee + coilH/2.)  * TMath::Sin(phiKnee);
    dy -= (rKnee + coilH/2.)  * TMath::Cos(phiKnee);
    dz = 0.; 
    
    asCoil->AddNode(voDL0, 1, new TGeoCombiTrans( dx,  dy, dz, rot04));
    asCoil->AddNode(voDL0, 2, new TGeoCombiTrans( dx, -dy, dz, rot05));
    asCoil->AddNode(voDL0, 3, new TGeoCombiTrans(-dx,  dy, dz, rot06));
    asCoil->AddNode(voDL0, 4, new TGeoCombiTrans(-dx, -dy, dz, rot07));

// Contactor
// Outer face planes
    
    TGeoVolumeAssembly* asContactor = new TGeoVolumeAssembly("DContactor");
    dx = -5.;
    TGeoVolume* voDC10 = new TGeoVolume("DC10", 
					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 = 83.;
    
    TGeoVolumeAssembly* asDCoilSupport = new TGeoVolumeAssembly("DCoilSupport");

    // Steel fixed to the yoke
    TGeoVolume* voDCS01 = new TGeoVolume("DCS01", 
					 new TGeoTubeSeg(coilRo, 325.,  1., 21., 51.),
					 kMedAlu);
    
    // Steel on the coil
    TGeoVolume* voDCS02 = new TGeoVolume("DCS02", 
					 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),
					 kMedAlu);
    

    // Sleeves
    TGeoVolume* voDCS03 = new TGeoVolume("DCS03", 
					 new TGeoTubeSeg(coilRi - 3.125, coilRo + 3.125,  3.125/2., 21., 51.),
					 kMedAlu);

    TGeoVolume* voDCS04 = new TGeoVolume("DCS04", 
					 new TGeoTubeSeg(coilRi - 3.125, coilRi,  coilH/2., 21., 51.),
					 kMedAlu);
    

    TGeoVolume* voDCS05 = new TGeoVolume("DCS05", 
					 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);
	Float_t phi = Float_t(i) * 3.75;
	TGeoRotation* rot   = new TGeoRotation(name, 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. - 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.));    


    //
    // 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");
    
    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 - kZDipole) * 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.;
    
    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., hsLength/2. - 25./2.));
    
    
    dz = zHanger1 - kZDipole;
    dy = -(kZDipoleR - zHanger1) * TMath::Tan(alhc * kDegrad);
    voDDIP->AddNode(voHanger1, 1, new TGeoCombiTrans(0., dy, dz, rotlhc));

    dz = zHanger2 - kZDipole;
    dy = -(kZDipoleR - zHanger2) * TMath::Tan(alhc * kDegrad);
    voDDIP->AddNode(voHanger2, 1, new TGeoCombiTrans(0., dy, dz, rotlhc));
    
    
    // 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 + 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, 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));
    
    // Hanger (Support)
    dy = gapHeight/2. + blockHeight + 14.;
    
    asDipole->AddNode(asHS, 1, new TGeoTranslation(0., dy, ((zHanger2 - kZDipole - yokeLength/2.) + 25./2.)/2.));
    
    
    asDipole->SetVisContainers(1);
    voDDIP->SetVisibility(0);

    top->AddNode(asDipole, 1, new TGeoCombiTrans(0., dipoleL / 2. * TMath::Tan(alhc * kDegrad), -kZDipole, rotxzlhc));
    top->AddNode(voDDIP,   1, new TGeoCombiTrans(0., dipoleL / 2. * TMath::Tan(alhc * kDegrad), -kZDipole, rotxzlhc));
    // This following value is needed by the MUON module to place the station 3 
    // in the DDIP volume with respect to the center of this volume.
    fCenterOfDDIPVolume = kZDipole;  
}
Commit	Line	Data
7778505e	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	/* $Id$ */
	17
	18	#include <TVirtualMC.h>
	19	#include <TGeoManager.h>
	20	#include <TGeoVolume.h>
	21	#include <TGeoMedium.h>
	22	#include <TGeoMatrix.h>
	23	#include <TGeoBBox.h>
	24	#include <TGeoTube.h>
	25	#include <TGeoCone.h>
	26	#include <TGeoPcon.h>
d4916cbf	27	#include <TGeoCompositeShape.h>
7778505e	28
	29	#include "AliConst.h"
	30	#include "AliDIPOv3.h"
	31	#include "AliMagF.h"
	32	#include "AliRun.h"
	33
	34	ClassImp(AliDIPOv3)
	35
	36	//_____________________________________________________________________________
	37	AliDIPOv3::AliDIPOv3()
	38	{
	39	//
d4916cbf	40	// Last design of magnetic dipole version 3
7778505e	41	//
	42	}
	43
	44	//_____________________________________________________________________________
	45	AliDIPOv3::AliDIPOv3(const char name, const char title)
ca54241c	46	: AliDIPOv2(name,title),
	47	fCenterOfDDIPVolume(0.0)
	48
7778505e	49	{
7778505e	50	//
d4916cbf	51	// Standard constructor for the magnetic dipole version 3
7778505e	52	}
	53
	54
	55	//_____________________________________________________________________________
	56	void AliDIPOv3::CreateSpectrometerDipole()
	57	{
	58	// Detailed dipole geometry as built
	59	//
d4916cbf	60	// Drawing: ALIP2A__0026
	61	// Geometer measurements: EDMS 596079
	62	// EDMS 584963
	63
7778505e	64	//
	65	// The top volume
	66	//
	67	TGeoVolume* top = gGeoManager->GetVolume("ALIC");
	68	//
	69	// Media
	70	//
d4916cbf	71	TGeoMedium* kMedSteel = gGeoManager->GetMedium("DIPO_ST_C3");
	72	TGeoMedium* kMedCoil = gGeoManager->GetMedium("DIPO_Coil_C1");
	73	TGeoMedium* kMedCoilSh = gGeoManager->GetMedium("DIPO_Coil_C3");
	74	TGeoMedium* kMedCable = gGeoManager->GetMedium("DIPO_ALU_C2");
	75	TGeoMedium* kMedAlu = gGeoManager->GetMedium("DIPO_ALU_C2");
	76	TGeoMedium* kMedAir = gGeoManager->GetMedium("DIPO_AIR_MUON");
7778505e	77	//
d4916cbf	78	// Rotations
7778505e	79	//
d4916cbf	80	Float_t alhc = 0.794;
	81
	82	TGeoRotation* rotxz = new TGeoRotation("rotxz", 90., 0., 90., 90., 180., 0.);
	83	TGeoRotation* rotxzlhc = new TGeoRotation("rotxzlhc", 180., 180. + alhc, 0.);
	84	TGeoRotation* rotlhc = new TGeoRotation("rotlhc", 0., alhc, 0.);
	85
7778505e	86	TGeoRotation* rotxz108 = new TGeoRotation("rotxz108", 90., 108., 90., 198., 180., 0.);
	87	TGeoRotation* rotxz180 = new TGeoRotation("rotxz180", 90., 180., 90., 270., 180., 0.);
	88	TGeoRotation* rotxz288 = new TGeoRotation("rotxz288", 90., 288., 90., 18., 180., 0.);
	89
	90	TGeoRotation* rotxy180 = new TGeoRotation("rotxy180", 90., 180., 90., 270., 0., 0.);
	91	TGeoRotation* rotxy108 = new TGeoRotation("rotxy108", 90., 108., 90., 198., 0., 0.);
	92	TGeoRotation* rotxy288 = new TGeoRotation("rotxy288", 90., 288., 90., 18., 0., 0.);
	93
d4916cbf	94	TGeoRotation* rot00 = new TGeoRotation("rot00", 180., 0., 90., 151., 90., 61.);
	95	TGeoRotation* rot01 = new TGeoRotation("rot01", 180., 0., 90., 29.,- 90., -61.);
	96	TGeoRotation* rot02 = new TGeoRotation("rot02", 0., 0., 90., 151., 90., 61.);
	97	TGeoRotation* rot03 = new TGeoRotation("rot03", 0., 0., 90., 29.,- 90., -61.);
	98	TGeoRotation* rot04 = new TGeoRotation("rot04", 90., 61., 90., 151., 0., 0.);
	99	TGeoRotation* rot05 = new TGeoRotation("rot05", 90., -61., 90.,-151., 0., 0.);
	100	TGeoRotation* rot06 = new TGeoRotation("rot06", 90., 119., 90., 209., 0., 0.);
	101	TGeoRotation* rot07 = new TGeoRotation("rot07", 90.,-119., 90.,-209., 0., 0.);
	102
	103	const Float_t dipoleL = 498.;
	104	const Float_t kZDipoleR = 1244.;
	105	const Float_t kZDipole = kZDipoleR - dipoleL/2.;
	106	const Float_t kZDipoleF = kZDipoleR - dipoleL;
	107	const Float_t yokeLength = 309.4;
	108	const Float_t blockLength = yokeLength / 7.;
	109	const Float_t gapWidthFront = 297.6;
	110	const Float_t gapWidthRear = 395.4;
	111	const Float_t dGap = (gapWidthRear - gapWidthFront) / 12.;
	112	const Float_t gapHeight = 609.1;
	113	const Float_t blockHeight = 145.45;
	114	const Float_t dzCoil = 4.45;
7778505e	115
7778505e	116	Float_t dx, dy, dz;
d4916cbf	117
d4916cbf	118
7778505e	119	//
7778505e	120	// Mother volume
d4916cbf	121	Float_t rcD1 = kZDipole * TMath::Tan(9. * kDegrad);
	122	TGeoPcon* shDDIP1 = new TGeoPcon("shDDIP1", 0., 360., 4);
	123	shDDIP1->DefineSection(0, -dipoleL/2. - 5., 0., (kZDipoleF -5.) * TMath::Tan(9. * kDegrad));
	124	shDDIP1->DefineSection(1, 0., 0., rcD1);
	125	Float_t rcD2 = rcD1 + dipoleL/2. * TMath::Tan(10.1 * kDegrad);
	126	shDDIP1->DefineSection(2, +dipoleL/2., 0., rcD2);
	127	shDDIP1->DefineSection(3, +dipoleL/2. + 5., 0., rcD2);
	128
	129	TGeoCombiTrans* trDDIP = new TGeoCombiTrans("trDDIP", 0., dipoleL/2. * TMath::Tan(alhc * kDegrad), 0., rotlhc);
	130	trDDIP->RegisterYourself();
	131
5c8f914e	132	TGeoBBox* shDDIP2 = new TGeoBBox(164., 182., 25.);
	133	shDDIP2->SetName("shDDIP2");
	134	TGeoPcon* shDDIP3 = new TGeoPcon( 0., 360., 5);
	135	shDDIP3->SetName("shDDIP3");
d4916cbf	136	Float_t z30 = 825. - kZDipole;
	137	Float_t zst = 1052. - kZDipole;
	138
	139
	140	shDDIP3->DefineSection(0, -dipoleL/2. - 10., 0., (kZDipoleF - 10.) * TMath::Tan(2. * kDegrad) + 0.2);
	141	shDDIP3->DefineSection(1, z30, 0., 28.8 + 0.2);
	142	shDDIP3->DefineSection(2, zst, 0., 28.8 + 0.2);
	143	shDDIP3->DefineSection(3, zst, 0., 35.8);
	144	shDDIP3->DefineSection(4, +dipoleL/2. + 10., 0., 35.8 + (dipoleL/2. + 10. - zst) * TMath::Tan(2. * kDegrad));
	145
	146	TGeoCompositeShape* shDDIP = new TGeoCompositeShape("shDDIP", "(shDDIP2 + shDDIP1:trDDIP) - shDDIP3:trDDIP");
	147
	148	TGeoVolume* voDDIP = new TGeoVolume("DDIP", shDDIP, kMedAir);
7778505e	149	//
	150	// Yoke
	151	//
7778505e	152
	153	TGeoVolumeAssembly* asYoke = new TGeoVolumeAssembly("DYoke");
	154	// Base
	155	char name[32];
	156	Float_t lx0 = gapWidthFront + 2. * blockHeight;
	157	Float_t lx = lx0;
	158
	159	TGeoVolumeAssembly* asYokeBase = new TGeoVolumeAssembly("DYokeBase");
	160	for (Int_t i = 0; i < 7; i++) {
	161	sprintf(name, "DYokeBaseBlock%1d", i);
	162	TGeoVolume* voBaseBlock = new TGeoVolume(name,
	163	new TGeoBBox(lx/2., blockHeight/2., blockLength/2.),
	164	kMedSteel);
	165	asYokeBase->AddNode(voBaseBlock, 1, new TGeoTranslation(0., 0., Float_t(i - 3) * blockLength));
	166	lx += 2. * dGap;
	167	}
	168
	169	asYoke->AddNode(asYokeBase, 1, new TGeoTranslation(0., -(gapHeight + blockHeight)/2. , 0.));
	170	asYoke->AddNode(asYokeBase, 2, new TGeoTranslation(0., +(gapHeight + blockHeight)/2. , 0.));
	171
	172
	173	// Side Wall
	174	TGeoVolumeAssembly* asYokeSide = new TGeoVolumeAssembly("DYokeSide");
	175	TGeoVolume* voSideBlock = new TGeoVolume("DSideBlock",
	176	new TGeoBBox(blockHeight/2., gapHeight/2., blockLength/2.),
	177	kMedSteel);
	178
	179	for (Int_t i = 0; i < 7; i++) {
	180	asYokeSide->AddNode(voSideBlock, i, new TGeoTranslation(Float_t(i - 3) * dGap, 0., Float_t(i - 3) * blockLength));
	181	}
	182
	183
	184	asYoke->AddNode(asYokeSide, 1, new TGeoTranslation(+lx0/2. + 3. * dGap - blockHeight/2., 0., 0.));
	185	asYoke->AddNode(asYokeSide, 2, new TGeoCombiTrans( -lx0/2. - 3. * dGap + blockHeight/2., 0., 0., rotxz));
	186
	187	//
	188	// Coils
	189	//
d4916cbf	190	Float_t coilRi = 206.;
7778505e	191	Float_t coilD = 70.;
	192	Float_t coilRo = coilRi + coilD;
	193	Float_t coilH = 77.;
	194	Float_t phiMin = -61.;
	195	Float_t phiMax = 61.;
d4916cbf	196	Float_t lengthSt = 240. + 33.9;
7778505e	197	Float_t phiKnee = phiMax * kDegrad;
d4916cbf	198	Float_t rKnee = 31.5;
7778505e	199
	200	// Circular sections
	201	TGeoVolumeAssembly* asCoil = new TGeoVolumeAssembly("DCoil");
	202
	203	TGeoVolume* voDC1 = new TGeoVolume("DC1",
	204	new TGeoTubeSeg(coilRi, coilRo, coilH / 2., phiMin, phiMax),
	205	kMedCoil);
	206	TGeoVolume* voDC2 = new TGeoVolume("DC2",
	207	new TGeoTubeSeg(coilRi + 5., coilRo - 5., coilH / 2., phiMin, phiMax),
	208	kMedCoilSh);
	209
	210	voDC1->AddNode(voDC2, 1, gGeoIdentity);
	211	voDC2->SetVisibility(0);
	212
	213	dz = lengthSt / 2. + coilH / 2. + rKnee;
	214	dx = 0.;
	215
	216	asCoil->AddNode(voDC1, 1, new TGeoTranslation(-dx, 0., -dz));
	217	asCoil->AddNode(voDC1, 2, new TGeoCombiTrans( dx, 0., -dz, rotxy180));
	218	asCoil->AddNode(voDC1, 3, new TGeoTranslation(-dx, 0., dz));
	219	asCoil->AddNode(voDC1, 4, new TGeoCombiTrans( dx, 0., dz, rotxz180));
	220
	221
	222	// 90deg Knees
	223
	224
	225	TGeoVolume* voDC11 = new TGeoVolume("DC11",
	226	new TGeoTubeSeg(rKnee, rKnee + coilH, coilD/2., 270., 360.),
	227	kMedCoil);
	228
	229
	230	dx = - TMath::Cos(phiKnee) * (coilRi + coilD/2.);
	231	dy = - TMath::Sin(phiKnee) * (coilRi + coilD/2.);
	232	dz = lengthSt / 2.;
	233
	234	asCoil->AddNode(voDC11, 1, new TGeoCombiTrans( dx, dy, -dz, rot00));
	235	asCoil->AddNode(voDC11, 2, new TGeoCombiTrans( dx, dy, dz, rot02));
	236	asCoil->AddNode(voDC11, 3, new TGeoCombiTrans(-dx, dy, -dz, rot01));
	237	asCoil->AddNode(voDC11, 4, new TGeoCombiTrans(-dx, dy, dz, rot03));
	238
	239	TGeoVolume* voDC12 = new TGeoVolume("DC12",
	240	new TGeoTubeSeg(rKnee, rKnee + coilH, coilD/2., 0., 90.),
	241	kMedCoil);
	242
	243
	244	asCoil->AddNode(voDC12, 1, new TGeoCombiTrans( dx, -dy, -dz, rot01));
	245	asCoil->AddNode(voDC12, 2, new TGeoCombiTrans( dx, -dy, dz, rot03));
	246	asCoil->AddNode(voDC12, 3, new TGeoCombiTrans(-dx, -dy, -dz, rot00));
	247	asCoil->AddNode(voDC12, 4, new TGeoCombiTrans(-dx, -dy, dz, rot02));
	248
	249	// Straight sections
	250
	251
	252	TGeoVolume* voDL0 = new TGeoVolume("DL0",
	253	new TGeoBBox(coilD / 2. + 2., coilH / 2. + 2., lengthSt / 2.),
	254	kMedCoil);
	255
	256	TGeoVolume* voDL1 = new TGeoVolume("DL1",
	257	new TGeoBBox(coilD / 2., coilH / 2., lengthSt / 2.),
	258	kMedCoil);
	259
	260
	261	TGeoVolume* voDL2 = new TGeoVolume("DL2",
	262	new TGeoBBox(coilD / 2. - 5., coilH / 2. - 5., lengthSt / 2. - 5.),
263	kMedCoilSh);
264	// Sleeves
265	TGeoVolume* voDL3 = new TGeoVolume("DL3",
266	new TGeoBBox(1., coilH / 2., 120.),
267	kMedAlu);
268
269	TGeoVolume* voDL4 = new TGeoVolume("DL4",
270	new TGeoBBox(coilD/2., 1., 120.),
271	kMedAlu);
272
273	voDL0->SetVisibility(0);
274	voDL1->AddNode(voDL2, 1, gGeoIdentity);
275	voDL0->AddNode(voDL1, 1, gGeoIdentity);
276	voDL0->AddNode(voDL3, 1, new TGeoTranslation(-coilD/2. - 1., 0., 0.));
277	voDL0->AddNode(voDL3, 2, new TGeoTranslation(+coilD/2. + 1., 0., 0.));
278	voDL0->AddNode(voDL4, 1, new TGeoTranslation(0., -coilH/2. - 1., 0.));
279	voDL0->AddNode(voDL4, 2, new TGeoTranslation(0., +coilH/2. + 1., 0.));
280
281
282	dx += (rKnee + coilH/2.) * TMath::Sin(phiKnee);
283	dy -= (rKnee + coilH/2.) * TMath::Cos(phiKnee);
284	dz = 0.;
285
286	asCoil->AddNode(voDL0, 1, new TGeoCombiTrans( dx, dy, dz, rot04));
287	asCoil->AddNode(voDL0, 2, new TGeoCombiTrans( dx, -dy, dz, rot05));
288	asCoil->AddNode(voDL0, 3, new TGeoCombiTrans(-dx, dy, dz, rot06));
289	asCoil->AddNode(voDL0, 4, new TGeoCombiTrans(-dx, -dy, dz, rot07));
290
291	// Contactor
292	// Outer face planes
293
294	TGeoVolumeAssembly* asContactor = new TGeoVolumeAssembly("DContactor");
295	dx = -5.;
296	TGeoVolume* voDC10 = new TGeoVolume("DC10",
d4916cbf	297	new TGeoTubeSeg(coilRo + 5.1, coilRo + 73.5, 1., -20., 20.),
7778505e	298	kMedCable);
	299	asContactor->AddNode(voDC10, 1, new TGeoTranslation(dx, 0, -32.325));
	300	asContactor->AddNode(voDC10, 2, new TGeoTranslation(dx, 0, +32.325));
	301
	302
	303	// Coil Support
	304	//
d4916cbf	305	Float_t sW = 83.;
7778505e	306
	307	TGeoVolumeAssembly* asDCoilSupport = new TGeoVolumeAssembly("DCoilSupport");
	308
	309	// Steel fixed to the yoke
	310	TGeoVolume* voDCS01 = new TGeoVolume("DCS01",
	311	new TGeoTubeSeg(coilRo, 325., 1., 21., 51.),
	312	kMedAlu);
	313
	314	// Steel on the coil
	315	TGeoVolume* voDCS02 = new TGeoVolume("DCS02",
d4916cbf	316	new TGeoTubeSeg(coilRo, coilRo + 3.125, sW/2., 21., 51.),
7778505e	317	kMedAlu);
	318	TGeoVolume* voDCS021 = new TGeoVolume("DCS021",
	319	new TGeoConeSeg(sW/2., coilRo, 320., coilRo, coilRo + 2., 21., 21.4),
	320	kMedAlu);
	321
	322
	323	// Sleeves
	324	TGeoVolume* voDCS03 = new TGeoVolume("DCS03",
d4916cbf	325	new TGeoTubeSeg(coilRi - 3.125, coilRo + 3.125, 3.125/2., 21., 51.),
7778505e	326	kMedAlu);
	327
	328	TGeoVolume* voDCS04 = new TGeoVolume("DCS04",
d4916cbf	329	new TGeoTubeSeg(coilRi - 3.125, coilRi, coilH/2., 21., 51.),
7778505e	330	kMedAlu);
	331
	332
	333	TGeoVolume* voDCS05 = new TGeoVolume("DCS05",
d4916cbf	334	new TGeoTubeSeg(coilRi - 3.125, coilRo, 3.125/2., 21., 51.),
7778505e	335	kMedAlu);
7778505e	336	//
7778505e	337	asDCoilSupport->AddNode(voDCS02, 1, new TGeoTranslation(0., 0., -(sW - coilH)/2.));
	338	asDCoilSupport->AddNode(voDCS04, 1, gGeoIdentity);
	339	for (Int_t i = 0; i < 9; i++)
	340	{
	341	char name[16];
	342	sprintf(name, "rotdcs%1d", i);
	343	Float_t phi = Float_t(i) * 3.75;
	344	TGeoRotation* rot = new TGeoRotation(name, 90., phi, 90., 90. + phi, 0., 0.);
	345	asDCoilSupport->AddNode(voDCS021, i, new TGeoCombiTrans(0., 0., -(sW - coilH)/2., rot));
	346	}
	347
	348
	349
d4916cbf	350	asDCoilSupport->AddNode(voDCS01, 1, new TGeoTranslation(0., 0., -sW/2. - (sW - coilH)/2. - 3.125/2.));
	351	asDCoilSupport->AddNode(voDCS03, 1, new TGeoTranslation(0., 0., +coilH/2. + 3.125/2.));
	352	asDCoilSupport->AddNode(voDCS05, 1, new TGeoTranslation(0., 0., -coilH/2. - 3.125/2.));
7778505e	353
d4916cbf	354
	355	//
	356	// SAA1 Support: Hanger 1
	357	//
	358	TGeoTranslation* trHanger = new TGeoTranslation("trHanger", 0., 250., 0.);
	359	trHanger->RegisterYourself();
7778505e	360
d4916cbf	361	Float_t rmin1, rmin2, rmax1, rmax2;
	362
	363	Float_t zHanger1 = 811.9;
5c8f914e	364	TGeoBBox* shHanger11 = new TGeoBBox(2.5/2., 250., 25./2.);
	365	shHanger11->SetName("shHanger11");
	366
d4916cbf	367	rmin1 = (zHanger1 - 13.) * TMath::Tan(2. * kDegrad);
	368	rmin2 = rmin1 + 26. * TMath::Tan( 2.0 * kDegrad);
	369	rmax1 = (zHanger1 - 13.) * TMath::Tan(9. * kDegrad);
	370	rmax2 = rmax1 + 26. * TMath::Tan(9. * kDegrad);
	371
5c8f914e	372	TGeoCone* shHanger12 = new TGeoCone(13., rmin1, rmax1, rmin2, rmax2);
5c8f914e	373	shHanger12->SetName("shHanger12");
d4916cbf	374	TGeoCompositeShape* shHanger1 = new TGeoCompositeShape("shHanger1", "shHanger12*shHanger11:trHanger");
	375	TGeoVolume* voHanger1 = new TGeoVolume("DHanger1", shHanger1, kMedSteel);
	376	//
	377	// SAA1 Support: Hanger 2
	378	//
	379	Float_t zHanger2 = 1171.9;
5c8f914e	380	TGeoBBox* shHanger21 = new TGeoBBox(3.5/2., 250., 25./2.);
5c8f914e	381	shHanger21->SetName("shHanger21");
d4916cbf	382
	383	rmin1 = 35.8 + (zHanger2 - 13. - zst - kZDipole) * TMath::Tan(2. * kDegrad);
	384	rmin2 = rmin1 + 26. * TMath::Tan( 2.0 * kDegrad);
	385	rmax1 = rcD1 + (zHanger2 - 13. - kZDipole) * TMath::Tan(10.1 * kDegrad);
	386	rmax2 = rmax1 + 26. * TMath::Tan(10.1 * kDegrad);
5c8f914e	387	TGeoCone* shHanger22 = new TGeoCone(13., rmin1, rmax1, rmin2, rmax2);
	388	shHanger22->SetName("shHanger22");
	389
d4916cbf	390	TGeoCompositeShape* shHanger2 = new TGeoCompositeShape("shHanger2", "shHanger22*shHanger21:trHanger");
	391
	392	TGeoVolume* voHanger2 = new TGeoVolume("DHanger2", shHanger2, kMedSteel);
	393	//
	394	// Hanger support
	395	Float_t hsLength = yokeLength + (zHanger2 - kZDipole - yokeLength/2.) + 25./2.;
	396
	397	TGeoVolume* voHS1 = new TGeoVolume("DHS1", new TGeoBBox( 1.5, 12.5, hsLength/2.), kMedSteel);
	398	TGeoVolume* voHS2 = new TGeoVolume("DHS2", new TGeoBBox(12.5, 1.5, hsLength/2.), kMedSteel);
	399	Float_t hsH = gapHeight/2. + blockHeight - (rmax1+rmax2)/2.;
	400
	401	TGeoVolume* voHS3 = new TGeoVolume("DHS3", new TGeoBBox(3.5/2., hsH/2., 25./2.), kMedSteel);
	402
	403	TGeoVolumeAssembly* asHS = new TGeoVolumeAssembly("asHS");
	404	asHS->AddNode(voHS1, 1, gGeoIdentity);
	405	asHS->AddNode(voHS2, 1, new TGeoTranslation(0., +14., 0.));
	406	asHS->AddNode(voHS2, 2, new TGeoTranslation(0., -14., 0.));
	407	asHS->AddNode(voHS3, 1, new TGeoTranslation(0., -hsH/2. - 14., hsLength/2. - 25./2.));
	408
	409
	410
	411	dz = zHanger1 - kZDipole;
	412	dy = -(kZDipoleR - zHanger1) * TMath::Tan(alhc * kDegrad);
	413	voDDIP->AddNode(voHanger1, 1, new TGeoCombiTrans(0., dy, dz, rotlhc));
	414
	415	dz = zHanger2 - kZDipole;
	416	dy = -(kZDipoleR - zHanger2) * TMath::Tan(alhc * kDegrad);
	417	voDDIP->AddNode(voHanger2, 1, new TGeoCombiTrans(0., dy, dz, rotlhc));
	418
	419
	420
	421
	422	// Assembly everything
	423
	424	TGeoVolumeAssembly* asDipole = new TGeoVolumeAssembly("Dipole");
	425	// Yoke
	426	asDipole->AddNode(asYoke, 1, new TGeoTranslation(0., 0., -dzCoil));
7778505e	427	asDipole->AddNode(asCoil, 1, gGeoIdentity);
d4916cbf	428	// Contactor
7778505e	429	dz = lengthSt / 2. + coilH / 2. + rKnee;
d4916cbf	430	asDipole->AddNode(asContactor, 1, new TGeoTranslation(0., 0., dz + dzCoil));
	431	asDipole->AddNode(asContactor, 2, new TGeoCombiTrans( 0., 0., dz - dzCoil, rotxy180));
	432	// Coil support
7778505e	433	asDipole->AddNode(asDCoilSupport, 1, new TGeoTranslation(0., 0., dz));
	434	asDipole->AddNode(asDCoilSupport, 2, new TGeoCombiTrans( 0., 0., dz, rotxy180));
	435	asDipole->AddNode(asDCoilSupport, 3, new TGeoCombiTrans( 0., 0., dz, rotxy108));
	436	asDipole->AddNode(asDCoilSupport, 4, new TGeoCombiTrans( 0., 0., dz, rotxy288));
d4916cbf	437
7778505e	438	asDipole->AddNode(asDCoilSupport, 5, new TGeoCombiTrans( 0., 0., -dz, rotxz));
	439	asDipole->AddNode(asDCoilSupport, 6, new TGeoCombiTrans( 0., 0., -dz, rotxz108));
	440	asDipole->AddNode(asDCoilSupport, 7, new TGeoCombiTrans( 0., 0., -dz, rotxz180));
	441	asDipole->AddNode(asDCoilSupport, 8, new TGeoCombiTrans( 0., 0., -dz, rotxz288));
d4916cbf	442
	443	// Hanger (Support)
	444	dy = gapHeight/2. + blockHeight + 14.;
	445
	446	asDipole->AddNode(asHS, 1, new TGeoTranslation(0., dy, ((zHanger2 - kZDipole - yokeLength/2.) + 25./2.)/2.));
	447
	448
	449	asDipole->SetVisContainers(1);
7778505e	450	voDDIP->SetVisibility(0);
7778505e	451
5c8f914e	452	top->AddNode(asDipole, 1, new TGeoCombiTrans(0., dipoleL / 2. * TMath::Tan(alhc * kDegrad), -kZDipole, rotxzlhc));
5c8f914e	453	top->AddNode(voDDIP, 1, new TGeoCombiTrans(0., dipoleL / 2. * TMath::Tan(alhc * kDegrad), -kZDipole, rotxzlhc));
ca54241c	454	// This following value is needed by the MUON module to place the station 3
	455	// in the DDIP volume with respect to the center of this volume.
	456	fCenterOfDDIPVolume = kZDipole;
7778505e	457	}
	458
	459
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	461
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	464