[u/mrichter/AliRoot.git] / TRD / AliTRDgeometryDetail.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.                  *
 **************************************************************************/

/*
$Log$
Revision 1.2  2001/11/08 13:13:08  cblume
Change to MANY for UCFI/M/O and UAFI/M/O

Revision 1.1  2001/11/06 17:19:41  cblume
Add detailed geometry and simple simulator

*/

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  Detailed TRD geometry for the spaceframe without holes                   //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include "AliMC.h"

#include "AliTRDgeometryDetail.h"

ClassImp(AliTRDgeometryDetail)

//_____________________________________________________________________________
AliTRDgeometryDetail::AliTRDgeometryDetail():AliTRDgeometryFull()
{
  //
  // AliTRDgeometryDetail default constructor
  //

  Init();

}

//_____________________________________________________________________________
AliTRDgeometryDetail::~AliTRDgeometryDetail()
{
  //
  // AliTRDgeometryDetail destructor
  //

}

//_____________________________________________________________________________
void AliTRDgeometryDetail::Init()
{
  //
  // Initializes the geometry parameter
  //

  AliTRDgeometryFull::Init();

}

//_____________________________________________________________________________
void AliTRDgeometryDetail::CreateGeometry(Int_t *idtmed)
{
  //
  // Create the detailed TRD geometry without hole
  // including the MCMs and the cooling pipes
  //
  //
  // Names of the TRD volumina (xx = detector number):
  //
  //      Lower part of the readout chambers (gas volume + radiator)
  //
  //        UAxx    Aluminum frames             (Al)
  //        UBxx    G10 frames                  (C)
  //        UCxx    Inner volumes               (Air)
  //
  //      Upper part of the readout chambers (readout plane + fee)
  //
  //        UDxx    G10 frames                  (C)
  //        UExx    Inner volumes of the G10    (Air)
  //        UFxx    Aluminum frames             (Al)
  //        UGxx    Inner volumes of the Al     (Air)
  //
  //      Inner material layers
  //
  //        UHxx    Radiator                    (Rohacell)
  //        UIxx    Entrance window             (Mylar)
  //        UJxx    Drift volume                (Xe/CO2)
  //        UKxx    Amplification volume        (Xe/CO2)
  //        ULxx    Pad plane                   (Cu)
  //        UMxx    Support structure           (Rohacell)
  //        UNxx    FEE + signal lines          (Cu)
  //

  const Int_t kNparTrd = 4;
  const Int_t kNparCha = 3;

  Float_t xpos, ypos, zpos;

  Float_t parTrd[kNparTrd];
  Float_t parCha[kNparCha];

  Char_t  cTagV[5];
  Char_t  cTagM[5];

  Int_t   idrotm;

  // Rotation matrix
  gMC->Matrix(idrotm,  0.0,  0.0, 90.0, 90.0, 90.0,  0.0);

  // The TRD mother volume for one sector (Air), full length in z-direction
  parTrd[0] = fgkSwidth1/2.;
  parTrd[1] = fgkSwidth2/2.;
  parTrd[2] = fgkSlenTR1/2.;
  parTrd[3] = fgkSheight/2.;
  gMC->Gsvolu("UTR1","TRD1",idtmed[1302-1],parTrd,kNparTrd);

  // Create the readout volumina
  CreateReadout(idtmed);

  // Create the volumina for the cooling
  CreateCooling(idtmed);

  for (Int_t icham = 0; icham < kNcham; icham++) {
    for (Int_t iplan = 0; iplan < kNplan; iplan++) {  

      Int_t iDet = GetDetectorSec(iplan,icham);

      // The lower part of the readout chambers (gas volume + radiator) 
      // The aluminum frames 
      sprintf(cTagV,"UA%02d",iDet);
      parCha[0] = fCwidth[iplan]/2.;
      parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.;
      parCha[2] = fgkCraH/2. + fgkCdrH/2.;
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
      // The G10 frames 
      sprintf(cTagV,"UB%02d",iDet);
      parCha[0] = fCwidth[iplan]/2. - fgkCalT; 
      parCha[1] = -1.;
      parCha[2] = -1.;
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1307-1],parCha,kNparCha);
      // The inner part (air)
      sprintf(cTagV,"UC%02d",iDet);
      parCha[0] = fCwidth[iplan]/2. - fgkCalT - fgkCclsT; 
      parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.- fgkCclfT;
      parCha[2] = -1.;
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);

      // The upper part of the readout chambers (readout plane + fee)
      // The G10 frames
      sprintf(cTagV,"UD%02d",iDet);
      parCha[0] = fCwidth[iplan]/2. + fgkCroW;
      parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.;
      parCha[2] = fgkCamH/2.;
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1307-1],parCha,kNparCha);
      // The inner part of the G10 frame (air)
      sprintf(cTagV,"UE%02d",iDet);
      parCha[0] = fCwidth[iplan]/2. + fgkCroW - fgkCcuT; 
      parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.- fgkCcuT;
      parCha[2] = -1.;
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
      // The aluminum frames
      sprintf(cTagV,"UF%02d",iDet);
      parCha[0] = fCwidth[iplan]/2. + fgkCroW;
      parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.;
      parCha[2] = fgkCroH/2.;
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
      // The inner part of the aluminum frames
      sprintf(cTagV,"UG%02d",iDet);
      parCha[0] = fCwidth[iplan]/2. + fgkCroW - fgkCauT; 
      parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.- fgkCauT;
      parCha[2] = -1.;
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);

      // The material layers inside the chambers
      parCha[0] = -1.;
      parCha[1] = -1.;
      // Rohacell layer (radiator)
      parCha[2] = fgkRaThick/2;
      sprintf(cTagV,"UH%02d",iDet);
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1315-1],parCha,kNparCha);
      // Mylar layer (entrance window + HV cathode) 
      parCha[2] = fgkMyThick/2;
      sprintf(cTagV,"UI%02d",iDet);
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1308-1],parCha,kNparCha);
      // Xe/Isobutane layer (drift volume) 
      parCha[2] = fgkDrThick/2.;
      sprintf(cTagV,"UJ%02d",iDet);
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1309-1],parCha,kNparCha);
      // Xe/Isobutane layer (amplification volume)
      parCha[2] = fgkAmThick/2.;
      sprintf(cTagV,"UK%02d",iDet);
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1309-1],parCha,kNparCha);  
      // Cu layer (pad plane)
      parCha[2] = fgkCuThick/2;
      sprintf(cTagV,"UL%02d",iDet);
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1305-1],parCha,kNparCha);
      // G10 layer (support structure / honeycomb)
      parCha[2] = fgkSuThick/2;
      sprintf(cTagV,"UM%02d",iDet);
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1313-1],parCha,kNparCha);
      // Cu layer (FEE + signal lines)
      parCha[2] = fgkFeThick/2;
      sprintf(cTagV,"UN%02d",iDet);
      gMC->Gsvolu(cTagV,"BOX ",idtmed[1305-1],parCha,kNparCha);

      // Position the layers in the chambers
      xpos = 0;
      ypos = 0;
      // Lower part
      // Rohacell layer (radiator)
      zpos = fgkRaZpos;
      sprintf(cTagV,"UH%02d",iDet);
      sprintf(cTagM,"UC%02d",iDet);
      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
      // Mylar layer (entrance window + HV cathode)   
      zpos = fgkMyZpos;
      sprintf(cTagV,"UI%02d",iDet);
      sprintf(cTagM,"UC%02d",iDet);
      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
      // Xe/Isobutane layer (drift volume) 
      zpos = fgkDrZpos;
      sprintf(cTagV,"UJ%02d",iDet);
      sprintf(cTagM,"UC%02d",iDet);
      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
      // Upper part
      // Xe/Isobutane layer (amplification volume)
      zpos = fgkAmZpos;
      sprintf(cTagV,"UK%02d",iDet);
      sprintf(cTagM,"UE%02d",iDet);
      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
      // Readout part
      // Cu layer (pad plane)
      zpos = fgkCuZpos; 
      sprintf(cTagV,"UL%02d",iDet);
      sprintf(cTagM,"UG%02d",iDet);
      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
      // G10 layer (support structure)
      zpos = fgkSuZpos;
      sprintf(cTagV,"UM%02d",iDet);
      sprintf(cTagM,"UG%02d",iDet);
      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
      // Cu layer (FEE + signal lines)
      zpos = fgkFeZpos; 
      sprintf(cTagV,"UN%02d",iDet);
      sprintf(cTagM,"UG%02d",iDet);
      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");

      // Position the inner volumes of the chambers in the frames
      xpos      = 0.0;
      ypos      = 0.0;
      zpos      = 0.0;
      // The inside of the lower G10 frame
      sprintf(cTagV,"UC%02d",iDet);
      sprintf(cTagM,"UB%02d",iDet);
      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
      // The lower G10 frame inside the aluminum frame
      sprintf(cTagV,"UB%02d",iDet);
      sprintf(cTagM,"UA%02d",iDet);
      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
      // The inside of the upper G10 frame
      sprintf(cTagV,"UE%02d",iDet);
      sprintf(cTagM,"UD%02d",iDet);
      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
      // The inside of the upper aluminum frame
      sprintf(cTagV,"UG%02d",iDet);
      sprintf(cTagM,"UF%02d",iDet);
      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");      

      // Position the frames of the chambers in the TRD mother volume
      xpos  = 0.;
      ypos  = - fClength[iplan][0] - fClength[iplan][1] - fClength[iplan][2]/2.;
      for (Int_t ic = 0; ic < icham; ic++) {
        ypos += fClength[iplan][ic];        
      }
      ypos += fClength[iplan][icham]/2.;
      zpos  = fgkCraH/2. + fgkCdrH/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
      // The lower aluminum frame, radiator + drift region
      sprintf(cTagV,"UA%02d",iDet);
      gMC->Gspos(cTagV,1,"UTR1",xpos,ypos,zpos,0,"ONLY");
      // The upper G10 frame, amplification region
      sprintf(cTagV,"UD%02d",iDet);
      zpos += fgkCamH/2. + fgkCraH/2. + fgkCdrH/2.;
      gMC->Gspos(cTagV,1,"UTR1",xpos,ypos,zpos,0,"ONLY");
      // The upper aluminum frame
      sprintf(cTagV,"UF%02d",iDet);
      zpos += fgkCroH/2. + fgkCamH/2.;
      gMC->Gspos(cTagV,1,"UTR1",xpos,ypos,zpos,0,"ONLY");
 
      // Position the MCM volumina
      PositionReadout(iplan,icham);

      // Position the volumina for the cooling
      PositionCooling(iplan,icham,idrotm);

    }
  }

  xpos = 0.;
  ypos = 0.;
  zpos = 0.;
  gMC->Gspos("UTR1",1,"BTR1",xpos,ypos,zpos,0,"ONLY");
  gMC->Gspos("UTR1",2,"BTR2",xpos,ypos,zpos,0,"ONLY");
  gMC->Gspos("UTR1",3,"BTR3",xpos,ypos,zpos,0,"ONLY");

}

//_____________________________________________________________________________
void AliTRDgeometryDetail::CreateReadout(Int_t *idtmed)
{
  //
  // Create the volumina of the readout electronics
  //

  const Int_t   kNparBox    = 3;

  Float_t parBox[kNparBox];
  Float_t xpos = 0.0;
  Float_t ypos = 0.0;
  Float_t zpos = 0.0;

  // The mother volume for the MCMs + connectors (air)
  parBox[0] = 3.0/2.;
  parBox[1] = 3.4/2.;
  parBox[2] = 0.5/2.;
  gMC->Gsvolu("UMCM","BOX",idtmed[1302-1],parBox,kNparBox);

  // The MCM carrier G10 layer
  parBox[0] = 3.0/2.;
  parBox[1] = 3.0/2.;
  parBox[2] = 0.1/2.;
  gMC->Gsvolu("UMC1","BOX",idtmed[1319-1],parBox,kNparBox);
  // The MCM carrier Cu layer
  parBox[0] = 3.0/2.;
  parBox[1] = 3.0/2.;
  parBox[2] = 0.0034/2.;
  gMC->Gsvolu("UMC2","BOX",idtmed[1318-1],parBox,kNparBox);
  // The MCM carrier Sn layer
  parBox[0] = 3.0/2.;
  parBox[1] = 3.0/2.;
  parBox[2] = 0.004/2.;
  gMC->Gsvolu("UMC3","BOX",idtmed[1317-1],parBox,kNparBox);
  // The MCM carrier Al layer
  parBox[0] = 3.0/2.;
  parBox[1] = 3.0/2.;
  parBox[2] = 0.05/2.;
  gMC->Gsvolu("UMC4","BOX",idtmed[1316-1],parBox,kNparBox);

  // The epoxy of chip no.1
  parBox[0] = 0.548/2.;
  parBox[1] = 0.548/2.;
  parBox[2] = 0.1/2.;
  gMC->Gsvolu("UCE1","BOX",idtmed[1321-1],parBox,kNparBox);
  // The silicon of chip no.1
  parBox[0] = 0.316/2.;
  parBox[1] = 0.316/2.;
  parBox[2] = 0.03/2.;
  gMC->Gsvolu("UCS1","BOX",idtmed[1320-1],parBox,kNparBox);

  // The epoxy of chip no.2
  parBox[0] = 1.549/2.;
  parBox[1] = 1.549/2.;
  parBox[2] = 0.1/2.;
  gMC->Gsvolu("UCE2","BOX",idtmed[1321-1],parBox,kNparBox);
  // The silicon of chip no.2
  parBox[0] = 0.894/2.;
  parBox[1] = 0.894/2.;
  parBox[2] = 0.03/2.;
  gMC->Gsvolu("UCS2","BOX",idtmed[1320-1],parBox,kNparBox);

  // The PE of the connector
  parBox[0] = 2.25/2.;
  parBox[1] = 0.4/2.;
  parBox[2] = 0.3/2.;
  gMC->Gsvolu("UCN1","BOX",idtmed[1322-1],parBox,kNparBox);
  // The Cu of the connector
  parBox[0] = 2.25/2.;
  parBox[1] = 0.4/2.;
  parBox[2] = 0.005/2.;
  gMC->Gsvolu("UCN2","BOX",idtmed[1323-1],parBox,kNparBox);

  xpos  =  0.0;
  ypos  = -0.4/2.;
  zpos  = -0.25      + 0.1/2.;
  gMC->Gspos("UMC1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
  zpos +=  0.1/2.   + 0.0034/2.;
  gMC->Gspos("UMC2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
  zpos +=  0.0034/2 + 0.004/2.;
  gMC->Gspos("UMC3",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
  zpos +=  0.004/2  + 0.05/2.;
  gMC->Gspos("UMC4",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
  zpos +=  0.05/2.  + 0.1/2.;
  xpos  =  1.0;
  gMC->Gspos("UCE1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
  xpos  = -0.5;
  gMC->Gspos("UCE2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
  zpos +=  0.1/2.   + 0.03/2.;
  xpos  =  1.0;
  gMC->Gspos("UCS1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
  xpos  = -0.5;
  gMC->Gspos("UCS2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");  
  xpos  =  0.0;
  ypos  =  3.4/2.   - 0.4/2.;
  zpos  = -0.25     + 0.3/2.;
  gMC->Gspos("UCN1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");  
  zpos +=  0.3/2.   + 0.005/2.;
  gMC->Gspos("UCN2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");  

}

//_____________________________________________________________________________
void AliTRDgeometryDetail::PositionReadout(Int_t ipla, Int_t icha)
{
  //
  // Position the volumina inside the readout mother volume
  //

  const Int_t   kNmcmChannel = 18;

  Int_t nMCMrow = GetRowMax(ipla,icha,0);
  Int_t nMCMcol = GetColMax(ipla) / kNmcmChannel;

  Float_t xSize = (GetChamberWidth(ipla)       - 2.*fgkCpadW) 
                / ((Float_t) nMCMcol);
  Float_t ySize = (GetChamberLength(ipla,icha) - 2.*fgkRpadW) 
                / ((Float_t) nMCMrow);
  Float_t x0    = GetCol0(ipla);
  Float_t y0    = GetRow0(ipla,icha,0);

  Int_t iCopy = GetDetector(ipla,icha,0) * 1000;
  for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
    for (Int_t iMCMcol = 0; iMCMcol < nMCMcol; iMCMcol++) {
      iCopy++;
      Float_t xpos = (0.5 + iMCMcol) * xSize + x0; 
      Float_t ypos = (0.5 + iMCMrow) * ySize + y0;
      Float_t zpos = fgkCH - fgkSheight/2. + 0.5/2.
                   + ipla * (fgkCH + fgkVspace);
      gMC->Gspos("UMCM",iCopy,"UTR1",xpos,ypos,zpos,0,"ONLY");    
    }
  }

}

//_____________________________________________________________________________
void AliTRDgeometryDetail::CreateCooling(Int_t *idtmed)
{
  //
  // Create the volumina of the cooling
  //

  const Int_t kNparTube = 3;

  Float_t parTube[kNparTube];
  Float_t xpos;
  Float_t ypos;
  Float_t zpos;

  // The aluminum pipe for the cooling
  parTube[0] = 0.0;
  parTube[1] = 0.0;
  parTube[2] = 0.0;
  gMC->Gsvolu("UCOA","TUBE",idtmed[1324-1],parTube,0);

  // The cooling water
  parTube[0] =  0.0;
  parTube[1] =  0.2/2.;
  parTube[2] = -1.;
  gMC->Gsvolu("UCOW","TUBE",idtmed[1314-1],parTube,kNparTube);

  // Water inside the cooling pipe
  xpos = 0.0;
  ypos = 0.0;
  zpos = 0.0;
  gMC->Gspos("UCOW",1,"UCOA",xpos,ypos,zpos,0,"ONLY");

}

//_____________________________________________________________________________
void AliTRDgeometryDetail::PositionCooling(Int_t ipla, Int_t icha, Int_t idrotm)
{
  //
  // Position the volumina of the cooling
  //

  const Int_t kNpar = 3;

  Float_t par[kNpar];
  Float_t xpos;
  Float_t ypos;
  Float_t zpos;

  Int_t   iCopy   = GetDetector(ipla,icha,0) * 100;
  Int_t   nMCMrow = GetRowMax(ipla,icha,0);

  Float_t ySize   = (GetChamberLength(ipla,icha) - 2.*fgkRpadW) 
                  / ((Float_t) nMCMrow);
  Float_t y0      = GetRow0(ipla,icha,0);

  // Position the cooling pipes
  for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {

    xpos   = 0.0;
    ypos   = (0.5 + iMCMrow) * ySize + y0 - 1.9;
    zpos   = fgkCH - fgkSheight/2. + 0.5/2.
                   + ipla * (fgkCH + fgkVspace);
    par[0] = 0.0;
    par[1] = 0.3/2.;
    par[2] = GetChamberWidth(ipla)/2.+ fgkCroW;
    gMC->Gsposp("UCOA",iCopy+iMCMrow,"UTR1",xpos,ypos,zpos
                      ,idrotm,"ONLY",par,kNpar);

  }

}
Commit	Line	Data
16bf9884	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	/*
	17	$Log$
0a770ac9	18	Revision 1.2 2001/11/08 13:13:08 cblume
	19	Change to MANY for UCFI/M/O and UAFI/M/O
	20
a0bc1a05	21	Revision 1.1 2001/11/06 17:19:41 cblume
	22	Add detailed geometry and simple simulator
	23
16bf9884	24	*/
	25
	26	///////////////////////////////////////////////////////////////////////////////
	27	// //
0a770ac9	28	// Detailed TRD geometry for the spaceframe without holes //
16bf9884	29	// //
	30	///////////////////////////////////////////////////////////////////////////////
	31
	32	#include "AliMC.h"
	33
	34	#include "AliTRDgeometryDetail.h"
	35
	36	ClassImp(AliTRDgeometryDetail)
	37
	38	//_____________________________________________________________________________
	39	AliTRDgeometryDetail::AliTRDgeometryDetail():AliTRDgeometryFull()
	40	{
	41	//
	42	// AliTRDgeometryDetail default constructor
	43	//
	44
	45	Init();
	46
	47	}
	48
	49	//_____________________________________________________________________________
	50	AliTRDgeometryDetail::~AliTRDgeometryDetail()
	51	{
	52	//
	53	// AliTRDgeometryDetail destructor
	54	//
	55
	56	}
	57
	58	//_____________________________________________________________________________
	59	void AliTRDgeometryDetail::Init()
	60	{
	61	//
	62	// Initializes the geometry parameter
	63	//
	64
	65	AliTRDgeometryFull::Init();
	66
	67	}
	68
	69	//_____________________________________________________________________________
	70	void AliTRDgeometryDetail::CreateGeometry(Int_t *idtmed)
	71	{
	72	//
	73	// Create the detailed TRD geometry without hole
0a770ac9	74	// including the MCMs and the cooling pipes
	75	//
	76	//
	77	// Names of the TRD volumina (xx = detector number):
	78	//
	79	// Lower part of the readout chambers (gas volume + radiator)
	80	//
	81	// UAxx Aluminum frames (Al)
	82	// UBxx G10 frames (C)
	83	// UCxx Inner volumes (Air)
	84	//
	85	// Upper part of the readout chambers (readout plane + fee)
	86	//
	87	// UDxx G10 frames (C)
	88	// UExx Inner volumes of the G10 (Air)
	89	// UFxx Aluminum frames (Al)
	90	// UGxx Inner volumes of the Al (Air)
	91	//
	92	// Inner material layers
	93	//
	94	// UHxx Radiator (Rohacell)
	95	// UIxx Entrance window (Mylar)
	96	// UJxx Drift volume (Xe/CO2)
	97	// UKxx Amplification volume (Xe/CO2)
	98	// ULxx Pad plane (Cu)
	99	// UMxx Support structure (Rohacell)
	100	// UNxx FEE + signal lines (Cu)
16bf9884	101	//
16bf9884	102
	103	const Int_t kNparTrd = 4;
	104	const Int_t kNparCha = 3;
16bf9884	105
0a770ac9	106	Float_t xpos, ypos, zpos;
0a770ac9	107
16bf9884	108	Float_t parTrd[kNparTrd];
	109	Float_t parCha[kNparCha];
	110
0a770ac9	111	Char_t cTagV[5];
0a770ac9	112	Char_t cTagM[5];
16bf9884	113
0a770ac9	114	Int_t idrotm;
16bf9884	115
0a770ac9	116	// Rotation matrix
0a770ac9	117	gMC->Matrix(idrotm, 0.0, 0.0, 90.0, 90.0, 90.0, 0.0);
16bf9884	118
	119	// The TRD mother volume for one sector (Air), full length in z-direction
	120	parTrd[0] = fgkSwidth1/2.;
	121	parTrd[1] = fgkSwidth2/2.;
	122	parTrd[2] = fgkSlenTR1/2.;
	123	parTrd[3] = fgkSheight/2.;
0a770ac9	124	gMC->Gsvolu("UTR1","TRD1",idtmed[1302-1],parTrd,kNparTrd);
	125
	126	// Create the readout volumina
	127	CreateReadout(idtmed);
	128
	129	// Create the volumina for the cooling
	130	CreateCooling(idtmed);
16bf9884	131
0a770ac9	132	for (Int_t icham = 0; icham < kNcham; icham++) {
	133	for (Int_t iplan = 0; iplan < kNplan; iplan++) {
	134
	135	Int_t iDet = GetDetectorSec(iplan,icham);
	136
	137	// The lower part of the readout chambers (gas volume + radiator)
	138	// The aluminum frames
	139	sprintf(cTagV,"UA%02d",iDet);
	140	parCha[0] = fCwidth[iplan]/2.;
	141	parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.;
	142	parCha[2] = fgkCraH/2. + fgkCdrH/2.;
	143	gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
	144	// The G10 frames
	145	sprintf(cTagV,"UB%02d",iDet);
	146	parCha[0] = fCwidth[iplan]/2. - fgkCalT;
	147	parCha[1] = -1.;
	148	parCha[2] = -1.;
	149	gMC->Gsvolu(cTagV,"BOX ",idtmed[1307-1],parCha,kNparCha);
	150	// The inner part (air)
	151	sprintf(cTagV,"UC%02d",iDet);
	152	parCha[0] = fCwidth[iplan]/2. - fgkCalT - fgkCclsT;
	153	parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.- fgkCclfT;
	154	parCha[2] = -1.;
	155	gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
	156
	157	// The upper part of the readout chambers (readout plane + fee)
	158	// The G10 frames
	159	sprintf(cTagV,"UD%02d",iDet);
	160	parCha[0] = fCwidth[iplan]/2. + fgkCroW;
	161	parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.;
	162	parCha[2] = fgkCamH/2.;
	163	gMC->Gsvolu(cTagV,"BOX ",idtmed[1307-1],parCha,kNparCha);
	164	// The inner part of the G10 frame (air)
	165	sprintf(cTagV,"UE%02d",iDet);
	166	parCha[0] = fCwidth[iplan]/2. + fgkCroW - fgkCcuT;
	167	parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.- fgkCcuT;
	168	parCha[2] = -1.;
	169	gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
	170	// The aluminum frames
	171	sprintf(cTagV,"UF%02d",iDet);
	172	parCha[0] = fCwidth[iplan]/2. + fgkCroW;
	173	parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.;
	174	parCha[2] = fgkCroH/2.;
	175	gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
	176	// The inner part of the aluminum frames
	177	sprintf(cTagV,"UG%02d",iDet);
	178	parCha[0] = fCwidth[iplan]/2. + fgkCroW - fgkCauT;
	179	parCha[1] = fClength[iplan][icham]/2. - fgkHspace/2.- fgkCauT;
	180	parCha[2] = -1.;
	181	gMC->Gsvolu(cTagV,"BOX ",idtmed[1302-1],parCha,kNparCha);
	182
	183	// The material layers inside the chambers
	184	parCha[0] = -1.;
	185	parCha[1] = -1.;
	186	// Rohacell layer (radiator)
	187	parCha[2] = fgkRaThick/2;
	188	sprintf(cTagV,"UH%02d",iDet);
	189	gMC->Gsvolu(cTagV,"BOX ",idtmed[1315-1],parCha,kNparCha);
	190	// Mylar layer (entrance window + HV cathode)
	191	parCha[2] = fgkMyThick/2;
	192	sprintf(cTagV,"UI%02d",iDet);
	193	gMC->Gsvolu(cTagV,"BOX ",idtmed[1308-1],parCha,kNparCha);
	194	// Xe/Isobutane layer (drift volume)
	195	parCha[2] = fgkDrThick/2.;
196	sprintf(cTagV,"UJ%02d",iDet);
197	gMC->Gsvolu(cTagV,"BOX ",idtmed[1309-1],parCha,kNparCha);
198	// Xe/Isobutane layer (amplification volume)
199	parCha[2] = fgkAmThick/2.;
200	sprintf(cTagV,"UK%02d",iDet);
201	gMC->Gsvolu(cTagV,"BOX ",idtmed[1309-1],parCha,kNparCha);
202	// Cu layer (pad plane)
203	parCha[2] = fgkCuThick/2;
204	sprintf(cTagV,"UL%02d",iDet);
205	gMC->Gsvolu(cTagV,"BOX ",idtmed[1305-1],parCha,kNparCha);
206	// G10 layer (support structure / honeycomb)
207	parCha[2] = fgkSuThick/2;
208	sprintf(cTagV,"UM%02d",iDet);
209	gMC->Gsvolu(cTagV,"BOX ",idtmed[1313-1],parCha,kNparCha);
210	// Cu layer (FEE + signal lines)
211	parCha[2] = fgkFeThick/2;
212	sprintf(cTagV,"UN%02d",iDet);
213	gMC->Gsvolu(cTagV,"BOX ",idtmed[1305-1],parCha,kNparCha);
214
215	// Position the layers in the chambers
216	xpos = 0;
217	ypos = 0;
218	// Lower part
219	// Rohacell layer (radiator)
220	zpos = fgkRaZpos;
221	sprintf(cTagV,"UH%02d",iDet);
222	sprintf(cTagM,"UC%02d",iDet);
223	gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
224	// Mylar layer (entrance window + HV cathode)
225	zpos = fgkMyZpos;
226	sprintf(cTagV,"UI%02d",iDet);
227	sprintf(cTagM,"UC%02d",iDet);
228	gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
229	// Xe/Isobutane layer (drift volume)
230	zpos = fgkDrZpos;
231	sprintf(cTagV,"UJ%02d",iDet);
232	sprintf(cTagM,"UC%02d",iDet);
233	gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
234	// Upper part
235	// Xe/Isobutane layer (amplification volume)
236	zpos = fgkAmZpos;
237	sprintf(cTagV,"UK%02d",iDet);
238	sprintf(cTagM,"UE%02d",iDet);
239	gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
240	// Readout part
241	// Cu layer (pad plane)
242	zpos = fgkCuZpos;
243	sprintf(cTagV,"UL%02d",iDet);
244	sprintf(cTagM,"UG%02d",iDet);
245	gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
246	// G10 layer (support structure)
247	zpos = fgkSuZpos;
248	sprintf(cTagV,"UM%02d",iDet);
249	sprintf(cTagM,"UG%02d",iDet);
250	gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
251	// Cu layer (FEE + signal lines)
252	zpos = fgkFeZpos;
253	sprintf(cTagV,"UN%02d",iDet);
254	sprintf(cTagM,"UG%02d",iDet);
255	gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
256
257	// Position the inner volumes of the chambers in the frames
258	xpos = 0.0;
259	ypos = 0.0;
260	zpos = 0.0;
261	// The inside of the lower G10 frame
262	sprintf(cTagV,"UC%02d",iDet);
263	sprintf(cTagM,"UB%02d",iDet);
264	gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
265	// The lower G10 frame inside the aluminum frame
266	sprintf(cTagV,"UB%02d",iDet);
267	sprintf(cTagM,"UA%02d",iDet);
268	gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
269	// The inside of the upper G10 frame
270	sprintf(cTagV,"UE%02d",iDet);
271	sprintf(cTagM,"UD%02d",iDet);
272	gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
273	// The inside of the upper aluminum frame
274	sprintf(cTagV,"UG%02d",iDet);
275	sprintf(cTagM,"UF%02d",iDet);
276	gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
277
278	// Position the frames of the chambers in the TRD mother volume
279	xpos = 0.;
280	ypos = - fClength[iplan][0] - fClength[iplan][1] - fClength[iplan][2]/2.;
281	for (Int_t ic = 0; ic < icham; ic++) {
282	ypos += fClength[iplan][ic];
283	}
284	ypos += fClength[iplan][icham]/2.;
285	zpos = fgkCraH/2. + fgkCdrH/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
286	// The lower aluminum frame, radiator + drift region
287	sprintf(cTagV,"UA%02d",iDet);
288	gMC->Gspos(cTagV,1,"UTR1",xpos,ypos,zpos,0,"ONLY");
289	// The upper G10 frame, amplification region
290	sprintf(cTagV,"UD%02d",iDet);
291	zpos += fgkCamH/2. + fgkCraH/2. + fgkCdrH/2.;
292	gMC->Gspos(cTagV,1,"UTR1",xpos,ypos,zpos,0,"ONLY");
293	// The upper aluminum frame
294	sprintf(cTagV,"UF%02d",iDet);
295	zpos += fgkCroH/2. + fgkCamH/2.;
296	gMC->Gspos(cTagV,1,"UTR1",xpos,ypos,zpos,0,"ONLY");
297
298	// Position the MCM volumina
299	PositionReadout(iplan,icham);
300
301	// Position the volumina for the cooling
302	PositionCooling(iplan,icham,idrotm);
303
304	}
16bf9884	305	}
	306
	307	xpos = 0.;
	308	ypos = 0.;
	309	zpos = 0.;
0a770ac9	310	gMC->Gspos("UTR1",1,"BTR1",xpos,ypos,zpos,0,"ONLY");
	311	gMC->Gspos("UTR1",2,"BTR2",xpos,ypos,zpos,0,"ONLY");
	312	gMC->Gspos("UTR1",3,"BTR3",xpos,ypos,zpos,0,"ONLY");
16bf9884	313
	314	}
	315
	316	//_____________________________________________________________________________
	317	void AliTRDgeometryDetail::CreateReadout(Int_t *idtmed)
	318	{
	319	//
	320	// Create the volumina of the readout electronics
	321	//
	322
	323	const Int_t kNparBox = 3;
	324
	325	Float_t parBox[kNparBox];
	326	Float_t xpos = 0.0;
	327	Float_t ypos = 0.0;
	328	Float_t zpos = 0.0;
	329
	330	// The mother volume for the MCMs + connectors (air)
	331	parBox[0] = 3.0/2.;
	332	parBox[1] = 3.4/2.;
	333	parBox[2] = 0.5/2.;
	334	gMC->Gsvolu("UMCM","BOX",idtmed[1302-1],parBox,kNparBox);
	335
	336	// The MCM carrier G10 layer
	337	parBox[0] = 3.0/2.;
	338	parBox[1] = 3.0/2.;
	339	parBox[2] = 0.1/2.;
	340	gMC->Gsvolu("UMC1","BOX",idtmed[1319-1],parBox,kNparBox);
	341	// The MCM carrier Cu layer
	342	parBox[0] = 3.0/2.;
	343	parBox[1] = 3.0/2.;
	344	parBox[2] = 0.0034/2.;
	345	gMC->Gsvolu("UMC2","BOX",idtmed[1318-1],parBox,kNparBox);
	346	// The MCM carrier Sn layer
	347	parBox[0] = 3.0/2.;
	348	parBox[1] = 3.0/2.;
	349	parBox[2] = 0.004/2.;
	350	gMC->Gsvolu("UMC3","BOX",idtmed[1317-1],parBox,kNparBox);
	351	// The MCM carrier Al layer
	352	parBox[0] = 3.0/2.;
	353	parBox[1] = 3.0/2.;
	354	parBox[2] = 0.05/2.;
	355	gMC->Gsvolu("UMC4","BOX",idtmed[1316-1],parBox,kNparBox);
	356
	357	// The epoxy of chip no.1
	358	parBox[0] = 0.548/2.;
	359	parBox[1] = 0.548/2.;
	360	parBox[2] = 0.1/2.;
	361	gMC->Gsvolu("UCE1","BOX",idtmed[1321-1],parBox,kNparBox);
	362	// The silicon of chip no.1
	363	parBox[0] = 0.316/2.;
	364	parBox[1] = 0.316/2.;
	365	parBox[2] = 0.03/2.;
	366	gMC->Gsvolu("UCS1","BOX",idtmed[1320-1],parBox,kNparBox);
	367
	368	// The epoxy of chip no.2
	369	parBox[0] = 1.549/2.;
	370	parBox[1] = 1.549/2.;
	371	parBox[2] = 0.1/2.;
	372	gMC->Gsvolu("UCE2","BOX",idtmed[1321-1],parBox,kNparBox);
	373	// The silicon of chip no.2
	374	parBox[0] = 0.894/2.;
	375	parBox[1] = 0.894/2.;
	376	parBox[2] = 0.03/2.;
377	gMC->Gsvolu("UCS2","BOX",idtmed[1320-1],parBox,kNparBox);
378
379	// The PE of the connector
380	parBox[0] = 2.25/2.;
381	parBox[1] = 0.4/2.;
382	parBox[2] = 0.3/2.;
383	gMC->Gsvolu("UCN1","BOX",idtmed[1322-1],parBox,kNparBox);
384	// The Cu of the connector
385	parBox[0] = 2.25/2.;
386	parBox[1] = 0.4/2.;
387	parBox[2] = 0.005/2.;
388	gMC->Gsvolu("UCN2","BOX",idtmed[1323-1],parBox,kNparBox);
389
390	xpos = 0.0;
391	ypos = -0.4/2.;
392	zpos = -0.25 + 0.1/2.;
393	gMC->Gspos("UMC1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
394	zpos += 0.1/2. + 0.0034/2.;
395	gMC->Gspos("UMC2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
396	zpos += 0.0034/2 + 0.004/2.;
397	gMC->Gspos("UMC3",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
398	zpos += 0.004/2 + 0.05/2.;
399	gMC->Gspos("UMC4",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
400	zpos += 0.05/2. + 0.1/2.;
401	xpos = 1.0;
402	gMC->Gspos("UCE1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
403	xpos = -0.5;
404	gMC->Gspos("UCE2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
405	zpos += 0.1/2. + 0.03/2.;
406	xpos = 1.0;
407	gMC->Gspos("UCS1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
408	xpos = -0.5;
409	gMC->Gspos("UCS2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
410	xpos = 0.0;
411	ypos = 3.4/2. - 0.4/2.;
412	zpos = -0.25 + 0.3/2.;
413	gMC->Gspos("UCN1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
414	zpos += 0.3/2. + 0.005/2.;
415	gMC->Gspos("UCN2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
416
417	}
418
419	//_____________________________________________________________________________
420	void AliTRDgeometryDetail::PositionReadout(Int_t ipla, Int_t icha)
421	{
422	//
423	// Position the volumina inside the readout mother volume
424	//
425
0a770ac9	426	const Int_t kNmcmChannel = 18;
16bf9884	427
16bf9884	428	Int_t nMCMrow = GetRowMax(ipla,icha,0);
0a770ac9	429	Int_t nMCMcol = GetColMax(ipla) / kNmcmChannel;
	430
	431	Float_t xSize = (GetChamberWidth(ipla) - 2.*fgkCpadW)
	432	/ ((Float_t) nMCMcol);
	433	Float_t ySize = (GetChamberLength(ipla,icha) - 2.*fgkRpadW)
	434	/ ((Float_t) nMCMrow);
	435	Float_t x0 = GetCol0(ipla);
	436	Float_t y0 = GetRow0(ipla,icha,0);
16bf9884	437
	438	Int_t iCopy = GetDetector(ipla,icha,0) * 1000;
	439	for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
	440	for (Int_t iMCMcol = 0; iMCMcol < nMCMcol; iMCMcol++) {
	441	iCopy++;
	442	Float_t xpos = (0.5 + iMCMcol) * xSize + x0;
	443	Float_t ypos = (0.5 + iMCMrow) * ySize + y0;
0a770ac9	444	Float_t zpos = fgkCH - fgkSheight/2. + 0.5/2.
	445	+ ipla * (fgkCH + fgkVspace);
	446	gMC->Gspos("UMCM",iCopy,"UTR1",xpos,ypos,zpos,0,"ONLY");
16bf9884	447	}
	448	}
	449
	450	}
	451
	452	//_____________________________________________________________________________
	453	void AliTRDgeometryDetail::CreateCooling(Int_t *idtmed)
	454	{
	455	//
	456	// Create the volumina of the cooling
	457	//
	458
0a770ac9	459	const Int_t kNparTube = 3;
16bf9884	460
0a770ac9	461	Float_t parTube[kNparTube];
	462	Float_t xpos;
	463	Float_t ypos;
	464	Float_t zpos;
16bf9884	465
16bf9884	466	// The aluminum pipe for the cooling
0a770ac9	467	parTube[0] = 0.0;
	468	parTube[1] = 0.0;
	469	parTube[2] = 0.0;
	470	gMC->Gsvolu("UCOA","TUBE",idtmed[1324-1],parTube,0);
16bf9884	471
16bf9884	472	// The cooling water
0a770ac9	473	parTube[0] = 0.0;
	474	parTube[1] = 0.2/2.;
	475	parTube[2] = -1.;
	476	gMC->Gsvolu("UCOW","TUBE",idtmed[1314-1],parTube,kNparTube);
	477
	478	// Water inside the cooling pipe
	479	xpos = 0.0;
	480	ypos = 0.0;
	481	zpos = 0.0;
16bf9884	482	gMC->Gspos("UCOW",1,"UCOA",xpos,ypos,zpos,0,"ONLY");
	483
	484	}
	485
	486	//_____________________________________________________________________________
0a770ac9	487	void AliTRDgeometryDetail::PositionCooling(Int_t ipla, Int_t icha, Int_t idrotm)
16bf9884	488	{
	489	//
	490	// Position the volumina of the cooling
	491	//
	492
0a770ac9	493	const Int_t kNpar = 3;
16bf9884	494
16bf9884	495	Float_t par[kNpar];
0a770ac9	496	Float_t xpos;
	497	Float_t ypos;
	498	Float_t zpos;
16bf9884	499
	500	Int_t iCopy = GetDetector(ipla,icha,0) * 100;
	501	Int_t nMCMrow = GetRowMax(ipla,icha,0);
	502
0a770ac9	503	Float_t ySize = (GetChamberLength(ipla,icha) - 2.*fgkRpadW)
	504	/ ((Float_t) nMCMrow);
	505	Float_t y0 = GetRow0(ipla,icha,0);
16bf9884	506
	507	// Position the cooling pipes
	508	for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
	509
	510	xpos = 0.0;
0a770ac9	511	ypos = (0.5 + iMCMrow) * ySize + y0 - 1.9;
	512	zpos = fgkCH - fgkSheight/2. + 0.5/2.
	513	+ ipla * (fgkCH + fgkVspace);
	514	par[0] = 0.0;
16bf9884	515	par[1] = 0.3/2.;
0a770ac9	516	par[2] = GetChamberWidth(ipla)/2.+ fgkCroW;
	517	gMC->Gsposp("UCOA",iCopy+iMCMrow,"UTR1",xpos,ypos,zpos
	518	,idrotm,"ONLY",par,kNpar);
16bf9884	519
	520	}
	521
	522	}