--- /dev/null
+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+
+/*
+$Log$
+*/
+
+///////////////////////////////////////////////////////////////////////////////
+// //
+// TRD geometry with holes //
+// //
+///////////////////////////////////////////////////////////////////////////////
+
+#include "AliTRDgeometryHole.h"
+
+ClassImp(AliTRDgeometryHole)
+
+//_____________________________________________________________________________
+AliTRDgeometryHole::AliTRDgeometryHole():AliTRDgeometry()
+{
+ //
+ // AliTRDgeometryHole default constructor
+ //
+
+ Init();
+
+}
+
+//_____________________________________________________________________________
+AliTRDgeometryHole::~AliTRDgeometryHole()
+{
+
+}
+
+//_____________________________________________________________________________
+void AliTRDgeometryHole::Init()
+{
+ //
+ // Initializes the geometry parameter
+ //
+
+ Int_t iplan;
+
+ // The length of the inner chambers
+ for (iplan = 0; iplan < kNplan; iplan++)
+ fClengthI[iplan] = 110.0;
+
+ // The length of the middle chambers
+ fClengthM1[0] = 123.5;
+ fClengthM1[1] = 131.0;
+ fClengthM1[2] = 138.5;
+ fClengthM1[3] = 146.0;
+ fClengthM1[4] = 153.0;
+ fClengthM1[5] = 160.5;
+
+ fClengthM2[0] = 123.5 - 7.0;
+ fClengthM2[1] = 131.0 - 7.0;
+ fClengthM2[2] = 138.5 - 7.0;
+ fClengthM2[3] = 146.0 - 7.0;
+ fClengthM2[4] = 153.0 - 7.0;
+ fClengthM2[5] = 160.4 - 7.0;
+
+ // The length of the outer chambers
+ fClengthO1[0] = 123.5;
+ fClengthO1[1] = 131.0;
+ fClengthO1[2] = 134.5;
+ fClengthO1[3] = 142.0;
+ fClengthO1[4] = 142.0;
+ fClengthO1[5] = 134.5;
+
+ fClengthO2[0] = 123.5;
+ fClengthO2[1] = 131.0;
+ fClengthO2[2] = 134.5;
+ fClengthO2[3] = 142.0;
+ fClengthO2[4] = 142.0;
+ fClengthO2[5] = 134.5;
+
+ fClengthO3[0] = 86.5;
+ fClengthO3[1] = 101.5;
+ fClengthO3[2] = 112.5;
+ fClengthO3[3] = 127.5;
+ fClengthO3[4] = 134.5;
+ fClengthO3[5] = 134.5;
+
+ // The maximum number of pads
+ // and the position of pad 0,0,0
+ //
+ // chambers seen from the top:
+ // +----------------------------+
+ // | |
+ // | | ^
+ // | | rphi|
+ // | | |
+ // |0 | |
+ // +----------------------------+ +------>
+ // z
+ // chambers seen from the side: ^
+ // +----------------------------+ time|
+ // | | |
+ // |0 | |
+ // +----------------------------+ +------>
+ // z
+ //
+
+ // The pad row (z-direction)
+ for (iplan = 0; iplan < kNplan; iplan++) {
+
+ for (Int_t isect = 0; isect < kNsect; isect++) {
+ Float_t clengthI = fClengthI[iplan];
+ Float_t clengthM = fClengthM1[iplan];
+ Float_t clengthO = fClengthO1[iplan];
+ switch (isect) {
+ case 12:
+ case 13:
+ case 14:
+ case 15:
+ case 16:
+ clengthM = fClengthM2[iplan];
+ clengthO = fClengthO2[iplan];
+ break;
+ case 4:
+ case 5:
+ case 6:
+ clengthO = fClengthO3[iplan];
+ break;
+ };
+ fRowMax[iplan][0][isect] = 1 + TMath::Nint((clengthO - 2. * kCcthick)
+ / fRowPadSize - 0.5);
+ fRowMax[iplan][1][isect] = 1 + TMath::Nint((clengthM - 2. * kCcthick)
+ / fRowPadSize - 0.5);
+ fRowMax[iplan][2][isect] = 1 + TMath::Nint((clengthI - 2. * kCcthick)
+ / fRowPadSize - 0.5);
+ fRowMax[iplan][3][isect] = 1 + TMath::Nint((clengthM - 2. * kCcthick)
+ / fRowPadSize - 0.5);
+ fRowMax[iplan][4][isect] = 1 + TMath::Nint((clengthO - 2. * kCcthick)
+ / fRowPadSize - 0.5);
+ fRow0[iplan][0][isect] = -clengthI/2. - clengthM - clengthO + kCcthick;
+ fRow0[iplan][1][isect] = -clengthI/2. - clengthM + kCcthick;
+ fRow0[iplan][2][isect] = -clengthI/2. + kCcthick;
+ fRow0[iplan][3][isect] = clengthI/2. + kCcthick;
+ fRow0[iplan][4][isect] = clengthI/2. + clengthM + kCcthick;
+ }
+
+ }
+
+}
+
+//_____________________________________________________________________________
+void AliTRDgeometryHole::CreateGeometry(Int_t *idtmed)
+{
+ //
+ // Create the TRD geometry with hole
+ //
+
+ Int_t iplan;
+
+ const Int_t npar_trd = 4;
+ const Int_t npar_cha = 3;
+
+ Float_t par_trd[npar_trd];
+ Float_t par_cha[npar_cha];
+
+ Float_t xpos, ypos, zpos;
+
+ AliTRDgeometry::CreateGeometry(idtmed);
+
+ // The TRD mother volume for one sector (Air) (dimensions identical to BTR1)
+ par_trd[0] = kSwidth1/2.;
+ par_trd[1] = kSwidth2/2.;
+ par_trd[2] = kSlenTR1/2.;
+ par_trd[3] = kSheight/2.;
+ gMC->Gsvolu("TRD1","TRD1",idtmed[1302-1],par_trd,npar_trd);
+
+ // The TRD mother volume for one sector (Air) (dimensions identical to BTR2)
+ par_trd[0] = kSwidth1/2.;
+ par_trd[1] = kSwidth2/2.;
+ par_trd[2] = kSlenTR2/2.;
+ par_trd[3] = kSheight/2.;
+ gMC->Gsvolu("TRD2","TRD1",idtmed[1302-1],par_trd,npar_trd);
+
+ // The TRD mother volume for one sector (Air) (dimensions identical to BTR3)
+ par_trd[0] = kSwidth1/2.;
+ par_trd[1] = kSwidth2/2.;
+ par_trd[2] = kSlenTR3/2.;
+ par_trd[3] = kSheight/2.;
+ gMC->Gsvolu("TRD3","TRD1",idtmed[1302-1],par_trd,npar_trd);
+
+ // Position the chambers in the TRD mother volume
+ for (iplan = 1; iplan <= kNplan; iplan++) {
+
+ // The inner chambers ---------------------------------------------------------------
+
+ // the aluminum frame
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthI[iplan-1]/2.;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = 0.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAFI",iplan ,"TRD1",xpos,ypos,zpos,0,"MANY",par_cha,npar_cha);
+
+ // the inner part of the aluminum frame
+ par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
+ par_cha[1] = fClengthI[iplan-1]/2. - kCathick;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = 0.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAII",iplan ,"TRD1",xpos,ypos,zpos,0,"ONLY",par_cha,npar_cha);
+
+ // the carbon frame
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthI[iplan-1]/2.;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = 0.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCFI",iplan ,"TRD1",xpos,ypos,zpos,0,"MANY",par_cha,npar_cha);
+
+ // the inner part of the carbon frame
+ par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
+ par_cha[1] = fClengthI[iplan-1]/2. - kCcthick;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = 0.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCII",iplan ,"TRD1",xpos,ypos,zpos,0,"ONLY",par_cha,npar_cha);
+
+ // The middle chambers --------------------------------------------------------------
+
+ // the aluminum frame
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthM1[iplan-1]/2.;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1]/2.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAFM",iplan ,"TRD1",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
+ gMC->Gsposp("UAFM",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthM2[iplan-1]/2.;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = fClengthM2[iplan-1]/2. - kSlenTR2/2.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAFM",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
+
+ // the inner part of the aluminum frame
+ par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
+ par_cha[1] = fClengthM1[iplan-1]/2. - kCathick;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1]/2.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAIM",iplan ,"TRD1",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
+ gMC->Gsposp("UAIM",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
+ par_cha[1] = fClengthM2[iplan-1]/2. - kCathick;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = fClengthM2[iplan-1]/2. - kSlenTR2/2.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAIM",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
+
+ // the carbon frame
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthM1[iplan-1]/2.;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1]/2.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCFM",iplan ,"TRD1",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
+ gMC->Gsposp("UCFM",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthM2[iplan-1]/2.;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = fClengthM2[iplan-1]/2. - kSlenTR2/2.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCFM",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
+
+ // the inner part of the carbon frame
+ par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
+ par_cha[1] = fClengthM1[iplan-1]/2. - kCcthick;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1]/2.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCIM",iplan ,"TRD1",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
+ gMC->Gsposp("UCIM",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
+ par_cha[1] = fClengthM2[iplan-1]/2. - kCcthick;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = fClengthM2[iplan-1]/2. - kSlenTR2/2.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCIM",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
+
+ // The outer chambers ---------------------------------------------------------------
+
+ // the aluminum frame
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthO1[iplan-1]/2.;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1] + fClengthO1[iplan-1]/2.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAFO",iplan ,"TRD1",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
+ gMC->Gsposp("UAFO",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthO2[iplan-1]/2.;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = fClengthM2[iplan-1] + fClengthO2[iplan-1]/2. - kSlenTR2/2.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAFO",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthO3[iplan-1]/2.;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = fClengthO3[iplan-1]/2. - kSlenTR3/2.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAFO",iplan+4*kNplan,"TRD3",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
+
+ // the inner part of the aluminum frame
+ par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
+ par_cha[1] = fClengthO1[iplan-1]/2. - kCathick;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1] + fClengthO1[iplan-1]/2.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAIO",iplan ,"TRD1",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
+ gMC->Gsposp("UAIO",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
+ par_cha[1] = fClengthO2[iplan-1]/2. - kCathick;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = fClengthM2[iplan-1] + fClengthO2[iplan-1]/2. - kSlenTR2/2.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAIO",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2. - kCathick;
+ par_cha[1] = fClengthO3[iplan-1]/2. - kCathick;
+ par_cha[2] = kCaframe/2.;
+ xpos = 0.;
+ ypos = fClengthO3[iplan-1]/2. - kSlenTR3/2.;
+ zpos = kCheight - kCaframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UAIO",iplan+4*kNplan,"TRD3",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
+
+ // the carbon frame
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthO1[iplan-1]/2.;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1] + fClengthO1[iplan-1]/2.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCFO",iplan, "TRD1",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
+ gMC->Gsposp("UCFO",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"MANY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthO2[iplan-1]/2.;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = fClengthM2[iplan-1] + fClengthO2[iplan-1]/2. - kSlenTR2/2.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCFO",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2.;
+ par_cha[1] = fClengthO3[iplan-1]/2.;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = fClengthO3[iplan-1]/2. - kSlenTR3/2.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCFO",iplan+4*kNplan,"TRD3",xpos, ypos,zpos,0,"MANY",par_cha,npar_cha);
+
+ // the inner part of the carbon frame
+ par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
+ par_cha[1] = fClengthO1[iplan-1]/2. - kCcthick;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = fClengthI[iplan-1]/2. + fClengthM1[iplan-1] + fClengthO1[iplan-1]/2.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCIO",iplan ,"TRD1",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
+ gMC->Gsposp("UCIO",iplan+ kNplan,"TRD1",xpos,-ypos,zpos,0,"ONLY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
+ par_cha[1] = fClengthO2[iplan-1]/2. - kCcthick;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = fClengthM2[iplan-1] + fClengthO2[iplan-1]/2. - kSlenTR2/2.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCIO",iplan+2*kNplan,"TRD2",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
+ par_cha[0] = fCwidth[iplan-1]/2. - kCcthick;
+ par_cha[1] = fClengthO3[iplan-1]/2. - kCcthick;
+ par_cha[2] = kCcframe/2.;
+ xpos = 0.;
+ ypos = fClengthO3[iplan-1]/2. - kSlenTR3/2.;
+ zpos = kCcframe/2. - kSheight/2. + (iplan-1) * (kCheight + kCspace);
+ gMC->Gsposp("UCIO",iplan+4*kNplan,"TRD3",xpos, ypos,zpos,0,"ONLY",par_cha,npar_cha);
+
+ }
+
+ xpos = 0.;
+ ypos = 0.;
+ zpos = 0.;
+ gMC->Gspos("TRD1",1,"BTR1",xpos,ypos,zpos,0,"ONLY");
+ gMC->Gspos("TRD2",1,"BTR2",xpos,ypos,zpos,0,"ONLY");
+ gMC->Gspos("TRD3",1,"BTR3",xpos,ypos,zpos,0,"ONLY");
+
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff