]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - TRD/AliTRDgeometryFull.cxx
Fix definition of rotation matrices
[u/mrichter/AliRoot.git] / TRD / AliTRDgeometryFull.cxx
index feca4e854990c42d501ec9c6798314e1f3d25c51..7258ee4ddaa650b004cf30d7fbde9640c0374be2 100644 (file)
 
 /*
 $Log$
+Revision 1.12  2003/09/18 09:06:07  cblume
+Geometry update, Removal of compiler warnings
+
+Revision 1.10  2002/11/21 22:38:47  alibrary
+Removing AliMC and AliMCProcess
+
+Revision 1.9  2002/10/31 17:45:35  cblume
+New chamber geometry
+
+Revision 1.8  2002/02/11 14:21:16  cblume
+Update of the geometry. Get rid of MANY
+
 Revision 1.7  2001/05/11 07:56:12  hristov
 Consistent declarations needed on Alpha
 
@@ -62,9 +74,10 @@ Add new TRD classes
 //                                                                           //
 ///////////////////////////////////////////////////////////////////////////////
 
-#include "AliMC.h"
+#include "TVirtualMC.h"
 
 #include "AliTRDgeometryFull.h"
+#include "AliTRDparameter.h"
 
 ClassImp(AliTRDgeometryFull)
 
@@ -102,20 +115,20 @@ void AliTRDgeometryFull::Init()
   fRICHhole = kFALSE;
 
   // The outer lengths of the chambers for the sectors with holes for the PHOS
-  Float_t lengthPH[kNplan][kNcham] = { { 123.5, 116.5,   0.0, 116.5, 123.5 }
+  Float_t lengthPH[kNplan][kNcham] = { { 124.0, 117.0,   0.0, 117.0, 124.0 }
                                     , { 131.0, 124.0,   0.0, 124.0, 131.0 }
-                                    , { 134.5, 131.5,   0.0, 131.5, 134.5 }
-                                    , { 142.0, 139.0,   0.0, 139.0, 142.0 }
-                                    , { 142.0, 146.0,   0.0, 146.0, 142.0 }
-                                     , { 134.5, 153.5,   0.0, 153.5, 134.5 } };
+                                    , { 138.0, 131.0,   0.0, 131.0, 138.0 }
+                                    , { 145.0, 138.0,   0.0, 138.0, 145.0 }
+                                    , { 147.0, 140.0,   0.0, 140.0, 147.0 }
+                                    , { 147.0, 140.0,   0.0, 140.0, 147.0 } };
 
   // The outer lengths of the chambers for the sectors with holes for the RICH
-  Float_t lengthRH[kNplan][kNcham] = { {  86.5,   0.0,   0.0,   0.0,  86.5 }
+  Float_t lengthRH[kNplan][kNcham] = { {  87.5,   0.0,   0.0,   0.0,  87.5 }
                                     , { 101.5,   0.0,   0.0,   0.0, 101.5 }
-                                    , { 112.5,   0.0,   0.0,   0.0, 112.5 }
-                                    , { 127.5,   0.0,   0.0,   0.0, 127.5 }
-                                    , { 134.5,   0.0,   0.0,   0.0, 134.5 }
-                                     , { 134.5,   0.0,   0.0,   0.0, 134.5 } };
+                                    , { 115.5,   0.0,   0.0,   0.0, 115.5 }
+                                    , { 129.5,   0.0,   0.0,   0.0, 129.5 }
+                                    , { 133.5,   0.0,   0.0,   0.0, 133.5 }
+                                    , { 133.5,   0.0,   0.0,   0.0, 133.5 } };
 
   for (icham = 0; icham < kNcham; icham++) {
     for (iplan = 0; iplan < kNplan; iplan++) {
@@ -156,9 +169,6 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
   //        UKxx    Amplification volume        (Xe/CO2)
   //        ULxx    Pad plane                   (Cu)
   //        UMxx    Support structure           (Rohacell)
-  //        UNxx    FEE + signal lines          (Cu)
-  //        UOxx    Cooling device              (Al)
-  //        UPxx    Cooling device              (Water)
   //
 
   const Int_t kNdet    = kNplan * kNcham;
@@ -177,20 +187,51 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
   AliTRDgeometry::CreateGeometry(idtmed);
 
   // The TRD mother volume for one sector (Air), full length in z-direction
+  // Provides material for side plates of super module
   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);
-
-  // The TRD mother volume for one sector (Air), leaving hole for PHOS
+  // The TRD mother volume for one sector (Al), leaving hole for PHOS
   if (fPHOShole) {
     gMC->Gsvolu("UTR2","TRD1",idtmed[1302-1],parTrd,kNparTrd);
   }
+  // The TRD mother volume for one sector (Al), leaving hole for RICH
+  if (fRICHhole) {
+    gMC->Gsvolu("UTR3","TRD1",idtmed[1302-1],parTrd,kNparTrd);
+  }  
 
+  // 
+  // The side plates of the super module (Al)
+  parTrd[0] = fgkSwidth1/2. - fgkSMgapT;
+  parTrd[1] = fgkSwidth2/2. - fgkSMgapT;
+  parTrd[2] = fgkSlenTR1/2.;
+  parTrd[3] = fgkSheight/2.;
+  gMC->Gsvolu("UTS1","TRD1",idtmed[1301-1],parTrd,kNparTrd);
+  // The TRD mother volume for one sector (Al), leaving hole for PHOS
+  if (fPHOShole) {
+    gMC->Gsvolu("UTS2","TRD1",idtmed[1301-1],parTrd,kNparTrd);
+  }
+  // The TRD mother volume for one sector (Al), leaving hole for RICH
+  if (fRICHhole) {
+    gMC->Gsvolu("UTS3","TRD1",idtmed[1301-1],parTrd,kNparTrd);
+  }  
+
+  // The inner part of the TRD mother volume for one sector (Air), 
+  // full length in z-direction
+  parTrd[0] = fgkSwidth1/2. - fgkSMgapT - fgkSMpltT;
+  parTrd[1] = fgkSwidth2/2. - fgkSMgapT - fgkSMpltT;
+  parTrd[2] = fgkSlenTR1/2.;
+  parTrd[3] = fgkSheight/2.;
+  gMC->Gsvolu("UTI1","TRD1",idtmed[1302-1],parTrd,kNparTrd);
+  // The TRD mother volume for one sector (Air), leaving hole for PHOS
+  if (fPHOShole) {
+    gMC->Gsvolu("UTI2","TRD1",idtmed[1302-1],parTrd,kNparTrd);
+  }
   // The TRD mother volume for one sector (Air), leaving hole for RICH
   if (fRICHhole) {
-    gMC->Gsvolu("UTR3","TRD1",idtmed[1302-1],parTrd,kNparTrd);
+    gMC->Gsvolu("UTI3","TRD1",idtmed[1302-1],parTrd,kNparTrd);
   }  
 
   for (Int_t icham = 0; icham < kNcham; icham++) {
@@ -262,7 +303,7 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
        }
       }
 
-      // The upper part of the readout chambers (readout plane + fee)
+      // The upper part of the readout chambers (readout plane)
       // The G10 frames
       sprintf(cTagV,"UD%02d",iDet);
       parCha[0] = fCwidth[iplan]/2. + fgkCroW;
@@ -369,18 +410,6 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
       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);
-      // Al layer (cooling devices)
-      parCha[2] = fgkCoThick/2;
-      sprintf(cTagV,"UO%02d",iDet);
-      gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
-      // Water layer (cooling)
-      parCha[2] = fgkWaThick/2;
-      sprintf(cTagV,"UP%02d",iDet);
-      gMC->Gsvolu(cTagV,"BOX ",idtmed[1314-1],parCha,kNparCha);
       if (fPHOShole) {
         if (fClengthPH[iplan][icham] > 0.0) {
           // Rohacell layer (radiator)
@@ -407,18 +436,6 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
           parCha[2] = fgkSuThick/2;
           sprintf(cTagV,"UM%02d",iDet+kNdet);
           gMC->Gsvolu(cTagV,"BOX ",idtmed[1313-1],parCha,kNparCha);
-          // Cu layer (FEE + signal lines)
-          parCha[2] = fgkFeThick/2;
-          sprintf(cTagV,"UN%02d",iDet+kNdet);
-          gMC->Gsvolu(cTagV,"BOX ",idtmed[1305-1],parCha,kNparCha);
-          // Al layer (cooling devices)
-          parCha[2] = fgkCoThick/2;
-          sprintf(cTagV,"UO%02d",iDet+kNdet);
-          gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
-          // Water layer (cooling)
-          parCha[2] = fgkWaThick/2;
-          sprintf(cTagV,"UP%02d",iDet+kNdet);
-          gMC->Gsvolu(cTagV,"BOX ",idtmed[1314-1],parCha,kNparCha);
        }
       }
       if (fRICHhole) {
@@ -447,18 +464,6 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
           parCha[2] = fgkSuThick/2;
           sprintf(cTagV,"UM%02d",iDet+2*kNdet);
           gMC->Gsvolu(cTagV,"BOX ",idtmed[1313-1],parCha,kNparCha);
-          // Cu layer (FEE + signal lines)
-          parCha[2] = fgkFeThick/2;
-          sprintf(cTagV,"UN%02d",iDet+2*kNdet);
-          gMC->Gsvolu(cTagV,"BOX ",idtmed[1305-1],parCha,kNparCha);
-          // Al layer (cooling devices)
-          parCha[2] = fgkCoThick/2;
-          sprintf(cTagV,"UO%02d",iDet+2*kNdet);
-          gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parCha,kNparCha);
-          // Water layer (cooling)
-          parCha[2] = fgkWaThick/2;
-          sprintf(cTagV,"UP%02d",iDet+2*kNdet);
-          gMC->Gsvolu(cTagV,"BOX ",idtmed[1314-1],parCha,kNparCha);
        }
       }
 
@@ -498,21 +503,6 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
       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");
-      // Al layer (cooling devices)
-      zpos = fgkCoZpos;
-      sprintf(cTagV,"UO%02d",iDet);
-      sprintf(cTagM,"UG%02d",iDet);
-      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
-      // Water layer (cooling)
-      zpos = fgkWaZpos;
-      sprintf(cTagV,"UP%02d",iDet);
-      sprintf(cTagM,"UG%02d",iDet);
-      gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
       if (fPHOShole) {
         if (fClengthPH[iplan][icham] > 0.0) {
           // Lower part
@@ -548,21 +538,6 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
           sprintf(cTagV,"UM%02d",iDet+kNdet);
           sprintf(cTagM,"UG%02d",iDet+kNdet);
           gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
-          // Cu layer (FEE + signal lines)
-          zpos = fgkFeZpos; 
-          sprintf(cTagV,"UN%02d",iDet+kNdet);
-          sprintf(cTagM,"UG%02d",iDet+kNdet);
-          gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
-          // Al layer (cooling devices)
-          zpos = fgkCoZpos;
-          sprintf(cTagV,"UO%02d",iDet+kNdet);
-          sprintf(cTagM,"UG%02d",iDet+kNdet);
-          gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
-          // Water layer (cooling)
-          zpos = fgkWaZpos;
-          sprintf(cTagV,"UP%02d",iDet+kNdet);
-          sprintf(cTagM,"UG%02d",iDet+kNdet);
-          gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
        }
       }
       if (fRICHhole) {
@@ -600,21 +575,6 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
           sprintf(cTagV,"UM%02d",iDet+2*kNdet);
           sprintf(cTagM,"UG%02d",iDet+2*kNdet);
           gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
-          // Cu layer (FEE + signal lines)
-          zpos = fgkFeZpos; 
-          sprintf(cTagV,"UN%02d",iDet+2*kNdet);
-          sprintf(cTagM,"UG%02d",iDet+2*kNdet);
-          gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
-          // Al layer (cooling devices)
-          zpos = fgkCoZpos;
-          sprintf(cTagV,"UO%02d",iDet+2*kNdet);
-          sprintf(cTagM,"UG%02d",iDet+2*kNdet);
-          gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
-          // Water layer (cooling)
-          zpos = fgkWaZpos;
-          sprintf(cTagV,"UP%02d",iDet+2*kNdet);
-          sprintf(cTagM,"UG%02d",iDet+2*kNdet);
-          gMC->Gspos(cTagV,1,cTagM,xpos,ypos,zpos,0,"ONLY");
        }
       }
 
@@ -689,15 +649,15 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
       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");
+      gMC->Gspos(cTagV,1,"UTI1",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");
+      gMC->Gspos(cTagV,1,"UTI1",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");
+      gMC->Gspos(cTagV,1,"UTI1",xpos,ypos,zpos,0,"ONLY");
       if (fPHOShole) {
         if (fClengthPH[iplan][icham] > 0.0) {
           xpos  = 0.;
@@ -715,15 +675,15 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
           zpos  = fgkCraH/2. + fgkCdrH/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
           // The lower aluminum frame, radiator + drift region
           sprintf(cTagV,"UA%02d",iDet+kNdet);
-          gMC->Gspos(cTagV,1,"UTR2",xpos,ypos,zpos,0,"ONLY");
+          gMC->Gspos(cTagV,1,"UTI2",xpos,ypos,zpos,0,"ONLY");
           // The upper G10 frame, amplification region
           sprintf(cTagV,"UD%02d",iDet+kNdet);
           zpos += fgkCamH/2. + fgkCraH/2. + fgkCdrH/2.;
-          gMC->Gspos(cTagV,1,"UTR2",xpos,ypos,zpos,0,"ONLY");
+          gMC->Gspos(cTagV,1,"UTI2",xpos,ypos,zpos,0,"ONLY");
           // The upper aluminum frame
           sprintf(cTagV,"UF%02d",iDet+kNdet);
           zpos += fgkCroH/2. + fgkCamH/2.;
-          gMC->Gspos(cTagV,1,"UTR2",xpos,ypos,zpos,0,"ONLY");
+          gMC->Gspos(cTagV,1,"UTI2",xpos,ypos,zpos,0,"ONLY");
        }
       }
       if (fRICHhole) {
@@ -743,21 +703,43 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
           zpos  = fgkCraH/2. + fgkCdrH/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
           // The lower aluminum frame, radiator + drift region
           sprintf(cTagV,"UA%02d",iDet+2*kNdet);
-          gMC->Gspos(cTagV,1,"UTR3",xpos,ypos,zpos,0,"ONLY");
+          gMC->Gspos(cTagV,1,"UTI3",xpos,ypos,zpos,0,"ONLY");
           // The upper G10 frame, amplification region
           sprintf(cTagV,"UD%02d",iDet+2*kNdet);
           zpos += fgkCamH/2. + fgkCraH/2. + fgkCdrH/2.;
-          gMC->Gspos(cTagV,1,"UTR3",xpos,ypos,zpos,0,"ONLY");
+          gMC->Gspos(cTagV,1,"UTI3",xpos,ypos,zpos,0,"ONLY");
           // The upper aluminum frame
           sprintf(cTagV,"UF%02d",iDet+2*kNdet);
           zpos += fgkCroH/2. + fgkCamH/2.;
-          gMC->Gspos(cTagV,1,"UTR3",xpos,ypos,zpos,0,"ONLY");
+          gMC->Gspos(cTagV,1,"UTI3",xpos,ypos,zpos,0,"ONLY");
        }
       }
 
     }
   }
 
+  xpos = 0.;
+  ypos = 0.;
+  zpos = 0.;
+  gMC->Gspos("UTI1",1,"UTS1",xpos,ypos,zpos,0,"ONLY");
+  if (fPHOShole) {
+    gMC->Gspos("UTI2",2,"UTS2",xpos,ypos,zpos,0,"ONLY");
+  }
+  if (fRICHhole) {
+    gMC->Gspos("UTI3",3,"UTS3",xpos,ypos,zpos,0,"ONLY");
+  }
+
+  xpos = 0.;
+  ypos = 0.;
+  zpos = 0.;
+  gMC->Gspos("UTS1",1,"UTR1",xpos,ypos,zpos,0,"ONLY");
+  if (fPHOShole) {
+    gMC->Gspos("UTS2",2,"UTR2",xpos,ypos,zpos,0,"ONLY");
+  }
+  if (fRICHhole) {
+    gMC->Gspos("UTS3",3,"UTR3",xpos,ypos,zpos,0,"ONLY");
+  }
+
   xpos = 0.;
   ypos = 0.;
   zpos = 0.;
@@ -775,4 +757,655 @@ void AliTRDgeometryFull::CreateGeometry(Int_t *idtmed)
     gMC->Gspos("UTR1",3,"BTR3",xpos,ypos,zpos,0,"ONLY");
   }
 
+  // Create the volumes of the super module frame
+  CreateFrame(idtmed);
+
+  // Create the volumes of the services
+  CreateServices(idtmed);
+
+}
+
+//_____________________________________________________________________________
+void AliTRDgeometryFull::CreateFrame(Int_t *idtmed)
+{
+  //
+  // Create the geometry of the frame of the supermodule
+  //
+  // Names of the TRD services volumina
+  //
+  //        USRL    Support rails for the chambers (Al)
+  //        USxx    Support cross bars between the chambers (Al)
+  //
+
+  Int_t   iplan = 0;
+
+  Float_t xpos  = 0.0;
+  Float_t ypos  = 0.0;
+  Float_t zpos  = 0.0;
+
+  Char_t  cTagV[5];
+
+  //
+  // The chamber support rails
+  //
+
+  const Float_t kSRLwid  = 2.0;
+  const Float_t kSRLhgt  = 2.3;
+  const Float_t kSRLdst  = 0.6;
+  const Int_t   kNparSRL = 3;
+  Float_t parSRL[kNparSRL];
+  parSRL[0] = kSRLwid/2.;
+  parSRL[1] = fgkSlenTR1/2.;
+  parSRL[2] = kSRLhgt/2.;
+  gMC->Gsvolu("USRL","BOX ",idtmed[1301-1],parSRL,kNparSRL);
+
+  xpos  = 0.0;
+  ypos  = 0.0;
+  zpos  = 0.0;
+  for (iplan = 0; iplan < kNplan; iplan++) {
+    
+    xpos  = fCwidth[iplan]/2. + kSRLwid/2. + kSRLdst;
+    ypos  = 0.0;
+    zpos  = fgkCraH + fgkCdrH - fgkSheight/2. - kSRLhgt/2. 
+          + iplan * (fgkCH + fgkVspace);
+    gMC->Gspos("USRL",iplan+1         ,"UTI1", xpos,ypos,zpos,0,"ONLY");
+    gMC->Gspos("USRL",iplan+1+  kNplan,"UTI1",-xpos,ypos,zpos,0,"ONLY");
+    if (fPHOShole) {
+      gMC->Gspos("USRL",iplan+1+2*kNplan,"UTI2", xpos,ypos,zpos,0,"ONLY");
+      gMC->Gspos("USRL",iplan+1+3*kNplan,"UTI2",-xpos,ypos,zpos,0,"ONLY");
+    }
+    if (fRICHhole) {
+      gMC->Gspos("USRL",iplan+1+4*kNplan,"UTI3", xpos,ypos,zpos,0,"ONLY");
+      gMC->Gspos("USRL",iplan+1+5*kNplan,"UTI3",-xpos,ypos,zpos,0,"ONLY");
+    }
+
+  }
+
+  //
+  // The cross bars between the chambers
+  //
+
+  const Float_t kSCBwid  = 1.0;
+  const Int_t   kNparSCB = 3;
+  Float_t parSCB[kNparSCB];
+  parSCB[1] = kSCBwid/2.;
+  parSCB[2] = fgkCH/2.;
+
+  xpos  = 0.0;
+  ypos  = 0.0;
+  zpos  = 0.0;
+  for (iplan = 0; iplan < kNplan; iplan++) {
+
+    parSCB[0] = fCwidth[iplan]/2. + kSRLdst/2.;
+
+    sprintf(cTagV,"US0%01d",iplan);
+    gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+    xpos  = 0.0;
+    ypos  =   fgkSlenTR1/2. - kSCBwid/2.;
+    zpos  = fgkCH/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
+    gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+    if (fPHOShole) {
+      gMC->Gspos(cTagV,2,"UTI2", xpos,ypos,zpos,0,"ONLY");
+    }
+    if (fRICHhole) {
+      gMC->Gspos(cTagV,3,"UTI3", xpos,ypos,zpos,0,"ONLY");
+    }
+
+    sprintf(cTagV,"US1%01d",iplan);
+    gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+    xpos  = 0.0;
+    ypos  = fClength[iplan][2]/2. + fClength[iplan][1];
+    zpos  = fgkCH/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
+    gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+    if (fPHOShole) {
+      gMC->Gspos(cTagV,2,"UTI2", xpos,ypos,zpos,0,"ONLY");
+    }
+    if (fRICHhole) {
+      ypos += fClength[iplan][0] - fClengthRH[iplan][0];
+      gMC->Gspos(cTagV,3,"UTI3", xpos,ypos,zpos,0,"ONLY");
+    }
+
+    sprintf(cTagV,"US2%01d",iplan);
+    gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+    xpos  = 0.0;
+    ypos  = fClength[iplan][2]/2.;
+    zpos  = fgkCH/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
+    gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+    if (fPHOShole) {
+      ypos += fClength[iplan][1] - fClengthPH[iplan][1];
+      gMC->Gspos(cTagV,2,"UTI2", xpos,ypos,zpos,0,"ONLY");
+    }
+
+    sprintf(cTagV,"US3%01d",iplan);
+    gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+    xpos  = 0.0;
+    ypos  = - fClength[iplan][2]/2.;
+    zpos  = fgkCH/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
+    gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+    if (fPHOShole) {
+      ypos -= fClength[iplan][3] - fClengthPH[iplan][3];
+      gMC->Gspos(cTagV,2,"UTI2", xpos,ypos,zpos,0,"ONLY");
+    }
+
+    sprintf(cTagV,"US4%01d",iplan);
+    gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+    xpos  = 0.0;
+    ypos  = - fClength[iplan][2]/2. - fClength[iplan][1];
+    zpos  = fgkCH/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
+    gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+    if (fPHOShole) {
+      gMC->Gspos(cTagV,2,"UTI2", xpos,ypos,zpos,0,"ONLY");
+    }
+    if (fRICHhole) {
+      ypos -= fClength[iplan][4] - fClengthRH[iplan][4];
+      gMC->Gspos(cTagV,3,"UTI3", xpos,ypos,zpos,0,"ONLY");
+    }
+
+    sprintf(cTagV,"US5%01d",iplan);
+    gMC->Gsvolu(cTagV,"BOX ",idtmed[1301-1],parSCB,kNparSCB);
+    xpos  = 0.0;
+    ypos  = - fgkSlenTR1/2. + kSCBwid/2.;
+    zpos  = fgkCH/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
+    gMC->Gspos(cTagV,1,"UTI1", xpos,ypos,zpos,0,"ONLY");
+    if (fPHOShole) {
+      gMC->Gspos(cTagV,2,"UTI2", xpos,ypos,zpos,0,"ONLY");
+    }
+    if (fRICHhole) {
+      gMC->Gspos(cTagV,3,"UTI3", xpos,ypos,zpos,0,"ONLY");
+    }
+
+  }
+
+}
+
+//_____________________________________________________________________________
+void AliTRDgeometryFull::CreateServices(Int_t *idtmed)
+{
+  //
+  // Create the geometry of the services
+  //
+  // Names of the TRD services volumina
+  //
+  //        UTCL    Cooling arterias (Al)
+  //        UTCW    Cooling arterias (Water)
+  //        UUxx    Volumes for the services at the chambers (Air)
+  //        UTPW    Power bars       (Cu)
+  //        UTCP    Cooling pipes    (Al)
+  //        UTCH    Cooling pipes    (Water)
+  //        UTPL    Power lines      (Cu)
+  //        UMCM    Readout MCMs     (G10/Cu/Si)
+  //
+
+  const Int_t kNdet = kNplan * kNcham;
+
+  Int_t   iplan = 0;
+  Int_t   icham = 0;
+
+  Float_t xpos  = 0.0;
+  Float_t ypos  = 0.0;
+  Float_t zpos  = 0.0;
+
+  Char_t  cTagV[5];
+
+  // The rotation matrices
+  const Int_t kNmatrix = 3;
+  Int_t   matrix[kNmatrix];
+  gMC->Matrix(matrix[0],100.0,  0.0, 90.0, 90.0, 10.0,  0.0);
+  gMC->Matrix(matrix[1], 80.0,  0.0, 90.0, 90.0, 10.0,180.0);
+  gMC->Matrix(matrix[2],  0.0,  0.0, 90.0, 90.0, 90.0,  0.0);
+
+  AliTRDparameter *parameter = new AliTRDparameter("par","TRD parameter");
+
+  //
+  // The cooling arterias
+  //
+
+  // Width of the cooling arterias
+  const Float_t kCOLwid  =  0.5; 
+  // Height of the cooling arterias
+  const Float_t kCOLhgt  =  5.5;
+  // Positioning of the cooling 
+  const Float_t kCOLposx =  1.6;
+  const Float_t kCOLposz = -0.2;
+  // Thickness of the walls of the cooling arterias
+  const Float_t kCOLthk  =  0.1;
+  const Int_t   kNparCOL = 3;
+  Float_t parCOL[kNparCOL];
+  parCOL[0]  = kCOLwid/2.;
+  parCOL[1]  = fgkSlenTR1/2.;
+  parCOL[2]  = kCOLhgt/2.;
+  gMC->Gsvolu("UTCL","BOX ",idtmed[1324-1],parCOL,kNparCOL);
+  parCOL[0] -= kCOLthk;
+  parCOL[1]  = fgkSlenTR1/2.;
+  parCOL[2] -= kCOLthk;
+  gMC->Gsvolu("UTCW","BOX ",idtmed[1314-1],parCOL,kNparCOL);
+
+  xpos  = 0.0;
+  ypos  = 0.0;
+  zpos  = 0.0;
+  gMC->Gspos("UTCW",1,"UTCL", xpos,ypos,zpos,0,"ONLY");
+
+  for (iplan = 1; iplan < kNplan; iplan++) {
+    
+    xpos  = fCwidth[iplan]/2. + kCOLwid/2. + kCOLposx;
+    ypos  = 0.0;
+    zpos  = kCOLhgt/2. - fgkSheight/2. + kCOLposz + iplan * (fgkCH + fgkVspace);
+    gMC->Gspos("UTCL",iplan+1         ,"UTI1", xpos,ypos,zpos,matrix[0],"ONLY");
+    gMC->Gspos("UTCL",iplan+1+  kNplan,"UTI1",-xpos,ypos,zpos,matrix[1],"ONLY");
+    if (fPHOShole) {
+      gMC->Gspos("UTCL",iplan+1+2*kNplan,"UTI2", xpos,ypos,zpos,matrix[0],"ONLY");
+      gMC->Gspos("UTCL",iplan+1+3*kNplan,"UTI2",-xpos,ypos,zpos,matrix[1],"ONLY");
+    }
+    if (fRICHhole) {
+      gMC->Gspos("UTCL",iplan+1+4*kNplan,"UTI3", xpos,ypos,zpos,matrix[0],"ONLY");
+      gMC->Gspos("UTCL",iplan+1+5*kNplan,"UTI3",-xpos,ypos,zpos,matrix[1],"ONLY");
+    }
+
+  }
+
+  //
+  // The power bars
+  //
+
+  const Float_t kPWRwid  =  0.6;
+  const Float_t kPWRhgt  =  4.5;
+  const Float_t kPWRposx =  1.05;
+  const Float_t kPWRposz =  0.9;
+  const Int_t   kNparPWR = 3;
+  Float_t parPWR[kNparPWR];
+  parPWR[0] = kPWRwid/2.;
+  parPWR[1] = fgkSlenTR1/2.;
+  parPWR[2] = kPWRhgt/2.;
+  gMC->Gsvolu("UTPW","BOX ",idtmed[1325-1],parPWR,kNparPWR);
+
+  for (iplan = 1; iplan < kNplan; iplan++) {
+    
+    xpos  = fCwidth[iplan]/2. + kPWRwid/2. + kPWRposx;
+    ypos  = 0.0;
+    zpos  = kPWRhgt/2. - fgkSheight/2. + kPWRposz + iplan * (fgkCH + fgkVspace);
+    gMC->Gspos("UTPW",iplan+1         ,"UTI1", xpos,ypos,zpos,matrix[0],"ONLY");
+    gMC->Gspos("UTPW",iplan+1+  kNplan,"UTI1",-xpos,ypos,zpos,matrix[1],"ONLY");
+    if (fPHOShole) {
+      gMC->Gspos("UTPW",iplan+1+2*kNplan,"UTI2", xpos,ypos,zpos,matrix[0],"ONLY");
+      gMC->Gspos("UTPW",iplan+1+3*kNplan,"UTI2",-xpos,ypos,zpos,matrix[1],"ONLY");
+    }
+    if (fRICHhole) {
+      gMC->Gspos("UTPW",iplan+1+4*kNplan,"UTI3", xpos,ypos,zpos,matrix[0],"ONLY");
+      gMC->Gspos("UTPW",iplan+1+5*kNplan,"UTI3",-xpos,ypos,zpos,matrix[1],"ONLY");
+    }
+
+  }
+
+  //
+  // The volumes for the services at the chambers
+  //
+
+  const Int_t kNparServ = 3;
+  Float_t parServ[kNparServ];
+
+  for (icham = 0; icham < kNcham; icham++) {
+    //for (iplan = 0; iplan < kNplan; iplan++) {
+    // Take out upper plane until TRD mothervolume is adjusted
+    for (iplan = 0; iplan < kNplan-1; iplan++) {
+
+      Int_t iDet = GetDetectorSec(iplan,icham);
+
+      sprintf(cTagV,"UU%02d",iDet);
+      parServ[0] = fCwidth[iplan]/2.;
+      parServ[1] = fClength[iplan][icham]/2. - fgkHspace/2.;
+      parServ[2] = fgkVspace/2.;
+      gMC->Gsvolu(cTagV,"BOX",idtmed[1302-1],parServ,kNparServ);
+      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  = fgkCH + fgkVspace/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
+      gMC->Gspos(cTagV,1,"UTI1",xpos,ypos,zpos,0,"ONLY");
+
+      if (fPHOShole) {
+        if (fClengthPH[iplan][icham] > 0.0) {
+          sprintf(cTagV,"UU%02d",iDet+kNdet);
+          parServ[0] = fCwidth[iplan]/2.;
+          parServ[1] = fClengthPH[iplan][icham]/2. - fgkHspace/2.;
+          parServ[2] = fgkVspace/2.;
+          gMC->Gsvolu(cTagV,"BOX",idtmed[1302-1],parServ,kNparServ);
+          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];        
+          }
+          if (icham > 2) {
+            ypos += fClength[iplan][icham];
+            ypos -= fClengthPH[iplan][icham]/2.;
+         }
+          else {
+            ypos += fClengthPH[iplan][icham]/2.;
+         }
+          zpos  = fgkCH + fgkVspace/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
+          gMC->Gspos(cTagV,1,"UTI2",xpos,ypos,zpos,0,"ONLY");
+       }
+      }
+
+      if (fRICHhole) {
+        if (fClengthRH[iplan][icham] > 0.0) {
+          sprintf(cTagV,"UU%02d",iDet+2*kNdet);
+          parServ[0] = fCwidth[iplan]/2.;
+          parServ[1] = fClengthRH[iplan][icham]/2. - fgkHspace/2.;
+          parServ[2] = fgkVspace/2.;
+          gMC->Gsvolu(cTagV,"BOX",idtmed[1302-1],parServ,kNparServ);
+          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];        
+          }
+          if (icham > 2) {
+            ypos += fClength[iplan][icham];
+            ypos -= fClengthRH[iplan][icham]/2.;
+         }
+          else {
+            ypos += fClengthRH[iplan][icham]/2.;
+         }
+          zpos  = fgkCH + fgkVspace/2. - fgkSheight/2. + iplan * (fgkCH + fgkVspace);
+          gMC->Gspos(cTagV,1,"UTI3",xpos,ypos,zpos,0,"ONLY");
+       }
+      }
+
+    }
+  }
+
+  //
+  // The cooling pipes inside the service volumes
+  //
+
+  const Int_t kNparTube = 3;
+  Float_t parTube[kNparTube];
+  // The aluminum pipe for the cooling
+  parTube[0] = 0.0;
+  parTube[1] = 0.0;
+  parTube[2] = 0.0;
+  gMC->Gsvolu("UTCP","TUBE",idtmed[1324-1],parTube,0);
+  // The cooling water
+  parTube[0] =  0.0;
+  parTube[1] =  0.2/2.;
+  parTube[2] = -1.;
+  gMC->Gsvolu("UTCH","TUBE",idtmed[1314-1],parTube,kNparTube);
+  // Water inside the cooling pipe
+  xpos = 0.0;
+  ypos = 0.0;
+  zpos = 0.0;
+  gMC->Gspos("UTCH",1,"UTCP",xpos,ypos,zpos,0,"ONLY");
+
+  // Position the cooling pipes in the mother volume
+  const Int_t kNpar = 3;
+  Float_t par[kNpar];
+  for (icham = 0; icham < kNcham;   icham++) {
+    //for (iplan = 0; iplan < kNplan; iplan++) {
+    // Take out upper plane until TRD mothervolume is adjusted
+    for (iplan = 0; iplan < kNplan-1; iplan++) { 
+      Int_t   iDet    = GetDetectorSec(iplan,icham);
+      Int_t   iCopy   = GetDetector(iplan,icham,0) * 100;
+      Int_t   nMCMrow = parameter->GetRowMax(iplan,icham,0);
+      Float_t ySize   = (GetChamberLength(iplan,icham) - 2.*fgkRpadW) 
+                      / ((Float_t) nMCMrow);
+      sprintf(cTagV,"UU%02d",iDet);
+      for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+        xpos   = 0.0;
+        ypos   = (0.5 + iMCMrow) * ySize - 1.9 
+               - fClength[iplan][icham]/2. + fgkHspace/2.;
+        zpos   = 0.0;                 
+        par[0] = 0.0;
+        par[1] = 0.3/2.; // Thickness of the cooling pipes
+        par[2] = fCwidth[iplan]/2.;
+        gMC->Gsposp("UTCP",iCopy+iMCMrow,cTagV,xpos,ypos,zpos
+                          ,matrix[2],"ONLY",par,kNpar);
+      }
+      if (fPHOShole) {
+        sprintf(cTagV,"UU%02d",iDet+kNdet);
+        for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+          xpos   = 0.0;
+          ypos   = (0.5 + iMCMrow) * ySize - 1.9 
+                 - fClengthPH[iplan][icham]/2. + fgkHspace/2.;
+          zpos   = 0.0;                 
+          if (ypos < (fClengthPH[iplan][icham]/2. - fgkHspace/2.)) {
+            par[0] = 0.0;
+            par[1] = 0.3/2.; // Thickness of the cooling pipes
+            par[2] = fCwidth[iplan]/2.;
+            gMC->Gsposp("UTCP",iCopy+iMCMrow+nMCMrow,cTagV,xpos,ypos,zpos
+                              ,matrix[2],"ONLY",par,kNpar);
+         }
+       }
+      }
+      if (fRICHhole) {
+        sprintf(cTagV,"UU%02d",iDet+2*kNdet);
+        for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+          xpos   = 0.0;
+          ypos   = (0.5 + iMCMrow) * ySize - 1.9 
+                 - fClengthRH[iplan][icham]/2. + fgkHspace/2.;
+          zpos   = 0.0;                 
+          if (ypos < (fClengthRH[iplan][icham]/2. - fgkHspace/2.)) {
+            par[0] = 0.0;
+            par[1] = 0.3/2.; // Thickness of the cooling pipes
+            par[2] = fCwidth[iplan]/2.;
+            gMC->Gsposp("UTCP",iCopy+iMCMrow+2*nMCMrow,cTagV,xpos,ypos,zpos
+                              ,matrix[2],"ONLY",par,kNpar);
+         }
+       }
+      }
+    }
+  }
+
+  //
+  // The power lines
+  //
+
+  // The copper power lines
+  parTube[0] = 0.0;
+  parTube[1] = 0.0;
+  parTube[2] = 0.0;
+  gMC->Gsvolu("UTPL","TUBE",idtmed[1305-1],parTube,0);
+
+  // Position the power lines in the mother volume
+  for (icham = 0; icham < kNcham;   icham++) {
+    //for (iplan = 0; iplan < kNplan; iplan++) {
+    // Take out upper plane until TRD mothervolume is adjusted
+    for (iplan = 0; iplan < kNplan-1; iplan++) { 
+      Int_t   iDet    = GetDetectorSec(iplan,icham);
+      Int_t   iCopy   = GetDetector(iplan,icham,0) * 100;
+      Int_t   nMCMrow = parameter->GetRowMax(iplan,icham,0);
+      Float_t ySize   = (GetChamberLength(iplan,icham) - 2.*fgkRpadW) 
+                      / ((Float_t) nMCMrow);
+      sprintf(cTagV,"UU%02d",iDet);
+      for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+        xpos   = 0.0;
+        ypos   = (0.5 + iMCMrow) * ySize - 1.0 
+               - fClength[iplan][icham]/2. + fgkHspace/2.;
+        zpos   = -0.4;
+        par[0] = 0.0;
+        par[1] = 0.2/2.; // Thickness of the power lines
+        par[2] = fCwidth[iplan]/2.;
+        gMC->Gsposp("UTPL",iCopy+iMCMrow,cTagV,xpos,ypos,zpos
+                          ,matrix[2],"ONLY",par,kNpar);
+      }
+      if (fPHOShole) {
+        sprintf(cTagV,"UU%02d",iDet+kNdet);
+        for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+          xpos   = 0.0;
+          ypos   = (0.5 + iMCMrow) * ySize - 1.0 
+                 - fClengthPH[iplan][icham]/2. + fgkHspace/2.;
+          zpos   = -0.4;                 
+          if (ypos < (fClengthPH[iplan][icham]/2. - fgkHspace/2.)) {
+            par[0] = 0.0;
+            par[1] = 0.2/2.; // Thickness of the power lines
+            par[2] = fCwidth[iplan]/2.;
+            gMC->Gsposp("UTPL",iCopy+iMCMrow+nMCMrow,cTagV,xpos,ypos,zpos
+                              ,matrix[2],"ONLY",par,kNpar);
+         }
+       }
+      }
+      if (fRICHhole) {
+        sprintf(cTagV,"UU%02d",iDet+2*kNdet);
+        for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+          xpos   = 0.0;
+          ypos   = (0.5 + iMCMrow) * ySize - 1.0 
+                 - fClengthRH[iplan][icham]/2. + fgkHspace/2.;
+          zpos   = -0.4;                 
+          if (ypos < (fClengthRH[iplan][icham]/2. - fgkHspace/2.)) {
+            par[0] = 0.0;
+            par[1] = 0.2/2.; // Thickness of the power lines
+            par[2] = fCwidth[iplan]/2.;
+            gMC->Gsposp("UTPL",iCopy+iMCMrow+2*nMCMrow,cTagV,xpos,ypos,zpos
+                              ,matrix[2],"ONLY",par,kNpar);
+         }
+       }
+      }
+    }
+  }
+
+  //
+  // The MCMs
+  //
+
+  // The mother volume for the MCMs (air)
+  const Int_t kNparMCM = 3;
+  Float_t parMCM[kNparMCM];
+  parMCM[0] = 3.0/2.;
+  parMCM[1] = 3.0/2.;
+  parMCM[2] = 0.14/2.;
+  gMC->Gsvolu("UMCM","BOX",idtmed[1302-1],parMCM,kNparMCM);
+
+  // The MCM carrier G10 layer
+  parMCM[0] = 3.0/2.;
+  parMCM[1] = 3.0/2.;
+  parMCM[2] = 0.1/2.;
+  gMC->Gsvolu("UMC1","BOX",idtmed[1319-1],parMCM,kNparMCM);
+  // The MCM carrier Cu layer
+  parMCM[0] = 3.0/2.;
+  parMCM[1] = 3.0/2.;
+  parMCM[2] = 0.0162/2.;
+  gMC->Gsvolu("UMC2","BOX",idtmed[1318-1],parMCM,kNparMCM);
+  // The silicon of the chips
+  parMCM[0] = 3.0/2.;
+  parMCM[1] = 3.0/2.;
+  parMCM[2] = 0.003/2.;
+  gMC->Gsvolu("UMC3","BOX",idtmed[1320-1],parMCM,kNparMCM);
+
+  // Put the MCM material inside the MCM mother volume
+  xpos  =  0.0;
+  ypos  =  0.0;
+  zpos  = -0.07      + 0.1/2.;
+  gMC->Gspos("UMC1",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
+  zpos +=  0.1/2.    + 0.0162/2.;
+  gMC->Gspos("UMC2",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
+  zpos +=  0.00162/2 + 0.003/2.;
+  gMC->Gspos("UMC3",1,"UMCM",xpos,ypos,zpos,0,"ONLY");
+
+  // Position the MCMs in the mother volume
+  for (icham = 0; icham < kNcham;   icham++) {
+    //for (iplan = 0; iplan < kNplan; iplan++) {
+    // Take out upper plane until TRD mothervolume is adjusted
+    for (iplan = 0; iplan < kNplan-1; iplan++) { 
+      Int_t   iDet    = GetDetectorSec(iplan,icham);
+      Int_t   iCopy   = GetDetector(iplan,icham,0) * 1000;
+      Int_t   nMCMrow = parameter->GetRowMax(iplan,icham,0);
+      Float_t ySize   = (GetChamberLength(iplan,icham) - 2.*fgkRpadW) 
+                      / ((Float_t) nMCMrow);
+      Int_t   nMCMcol = 8;
+      Float_t xSize   = (GetChamberWidth(iplan) - 2.* fgkCpadW)
+                     / ((Float_t) nMCMcol);
+      sprintf(cTagV,"UU%02d",iDet);
+      for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+        for (Int_t iMCMcol = 0; iMCMcol < nMCMcol; iMCMcol++) {
+          xpos   = (0.5 + iMCMcol) * xSize + 1.0 
+                 - fCwidth[iplan]/2.;
+          ypos   = (0.5 + iMCMrow) * ySize + 1.0 
+                 - fClength[iplan][icham]/2. + fgkHspace/2.;
+          zpos   = -0.4;
+          par[0] = 0.0;
+          par[1] = 0.2/2.; // Thickness of the power lines
+          par[2] = fCwidth[iplan]/2.;
+          gMC->Gspos("UMCM",iCopy+iMCMrow*10+iMCMcol,cTagV
+                           ,xpos,ypos,zpos,0,"ONLY");
+       }
+      }
+      if (fPHOShole) {
+        sprintf(cTagV,"UU%02d",iDet+kNdet);
+        for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+          for (Int_t iMCMcol = 0; iMCMcol < nMCMcol; iMCMcol++) {
+            xpos   = (0.5 + iMCMcol) * xSize + 1.0 
+                   - fCwidth[iplan]/2.;
+            ypos   = (0.5 + iMCMrow) * ySize + 1.0 
+                   - fClengthPH[iplan][icham]/2. + fgkHspace/2.;
+            zpos   = -0.4;
+            if (ypos < (fClengthPH[iplan][icham]/2. - fgkHspace/2.)) {
+              par[0] = 0.0;
+              par[1] = 0.2/2.; // Thickness of the power lines
+              par[2] = fCwidth[iplan]/2.;
+              gMC->Gspos("UMCM",iCopy+iMCMrow*10+iMCMcol+10*nMCMrow,cTagV
+                               ,xpos,ypos,zpos,0,"ONLY");
+           }
+         }
+        }
+      }
+      if (fPHOShole) {
+        sprintf(cTagV,"UU%02d",iDet+2*kNdet);
+        for (Int_t iMCMrow = 0; iMCMrow < nMCMrow; iMCMrow++) {
+          for (Int_t iMCMcol = 0; iMCMcol < nMCMcol; iMCMcol++) {
+            xpos   = (0.5 + iMCMcol) * xSize + 1.0 
+                   - fCwidth[iplan]/2.;
+            ypos   = (0.5 + iMCMrow) * ySize + 1.0 
+                   - fClengthRH[iplan][icham]/2. + fgkHspace/2.;
+            zpos   = -0.4;
+            if (ypos < (fClengthRH[iplan][icham]/2. - fgkHspace/2.)) {
+              par[0] = 0.0;
+              par[1] = 0.2/2.; // Thickness of the power lines
+              par[2] = fCwidth[iplan]/2.;
+              gMC->Gspos("UMCM",iCopy+iMCMrow*10+iMCMcol+20*nMCMrow,cTagV
+                               ,xpos,ypos,zpos,0,"ONLY");
+           }
+         }
+        }
+      }
+
+    }
+  }
+
+  delete parameter;
+
+}
+
+//_____________________________________________________________________________
+void AliTRDgeometryFull::SetOldGeometry()
+{
+  //
+  // Use the old chamber lengths
+  //
+
+  Int_t icham;
+  Int_t iplan;
+
+  AliTRDgeometry::SetOldGeometry();
+
+  Float_t lengthPH[kNplan][kNcham] = { { 123.5, 116.5,   0.0, 116.5, 123.5 }
+                                    , { 131.0, 124.0,   0.0, 124.0, 131.0 }
+                                    , { 134.5, 131.5,   0.0, 131.5, 134.5 }
+                                    , { 142.0, 139.0,   0.0, 139.0, 142.0 }
+                                    , { 142.0, 146.0,   0.0, 146.0, 142.0 }
+                                     , { 134.5, 153.5,   0.0, 153.5, 134.5 } };
+
+  Float_t lengthRH[kNplan][kNcham] = { {  86.5,   0.0,   0.0,   0.0,  86.5 }
+                                    , { 101.5,   0.0,   0.0,   0.0, 101.5 }
+                                    , { 112.5,   0.0,   0.0,   0.0, 112.5 }
+                                    , { 127.5,   0.0,   0.0,   0.0, 127.5 }
+                                    , { 134.5,   0.0,   0.0,   0.0, 134.5 }
+                                     , { 134.5,   0.0,   0.0,   0.0, 134.5 } };
+                                                                               
+  for (icham = 0; icham < kNcham; icham++) {
+    for (iplan = 0; iplan < kNplan; iplan++) {
+      fClengthPH[iplan][icham] = lengthPH[iplan][icham];
+      fClengthRH[iplan][icham] = lengthRH[iplan][icham];
+    }
+  }
+
 }