+++ /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. *
- **************************************************************************/
-
-// $Id$
-
-//-----------------------------------------------------------------------------
-// Class AliMUONSt1GeometryBuilder
-// -------------------------------
-// MUON Station1 coarse geometry construction class.
-// Extracted from AliMUONv1
-// by Ivana Hrivnacova, IPN Orsay
-// Included in AliRoot 2004/01/23
-//-----------------------------------------------------------------------------
-
-#include <TVirtualMC.h>
-#include <TGeoMatrix.h>
-
-#include "AliLog.h"
-
-#include "AliMUONSt1GeometryBuilder.h"
-#include "AliMUON.h"
-#include "TArrayI.h"
-#include "AliMUONConstants.h"
-#include "AliMUONGeometryModule.h"
-#include "AliMUONGeometryEnvelopeStore.h"
-
-using std::endl;
-using std::cout;
-/// \cond CLASSIMP
-ClassImp(AliMUONSt1GeometryBuilder)
-/// \endcond
-
-//______________________________________________________________________________
-AliMUONSt1GeometryBuilder::AliMUONSt1GeometryBuilder(AliMUON* muon)
- : AliMUONVGeometryBuilder(0, 2),
- fMUON(muon)
-{
-/// Standard constructor
-
-}
-
-//______________________________________________________________________________
-AliMUONSt1GeometryBuilder::AliMUONSt1GeometryBuilder()
- : AliMUONVGeometryBuilder(),
- fMUON(0)
-{
-/// Default constructor
-}
-
-//______________________________________________________________________________
-AliMUONSt1GeometryBuilder::~AliMUONSt1GeometryBuilder()
-{
-/// Destructor
-}
-
-//
-// public methods
-//
-
-//______________________________________________________________________________
-void AliMUONSt1GeometryBuilder::CreateGeometry()
-{
-/// From AliMUONv1::CreateGeometry()
-
-//********************************************************************
-// Station 1 **
-//********************************************************************
-// CONCENTRIC
- // indices 1 and 2 for first and second chambers in the station
- // iChamber (first chamber) kept for other quanties than Z,
- // assumed to be the same in both chambers
-
- // Get tracking medias Ids
- Int_t *idtmed = fMUON->GetIdtmed()->GetArray()-1099;
- Int_t idAir= idtmed[1100]; // medium 1
- Int_t idAlu1=idtmed[1103]; // medium 4
- Int_t idAlu2=idtmed[1104]; // medium 5
- Int_t idGas=idtmed[1108]; // medium 9 = Ar-CO2 gas (80%+20%)
- Bool_t frameCrosses=kTRUE;
-
- // Rotation matrices in the x-y plane
- // phi= 0 deg
- Int_t irot1;
- fMUON->AliMatrix(irot1, 90., 0., 90., 90., 0., 0.);
- // phi= 90 deg
- Int_t irot2;
- fMUON->AliMatrix(irot2, 90., 90., 90., 180., 0., 0.);
-
- // DGas decreased from standard one (0.5)
- const Float_t kDGas = 0.4;
-
- // DAlu increased from standard one (3% of X0),
- // because more electronics with smaller pads
- const Float_t kDAlu = 3.5 * 8.9 / 100.;
-
- // Half of the total thickness of frame crosses (including DAlu)
- // for each chamber in stations 1 and 2:
- // 3% of X0 of composite material,
- // but taken as Aluminium here, with same thickness in number of X0
- Float_t dframez = 3. * 8.9 / 100;
- Float_t zfpos=-(kDGas+dframez+kDAlu)/2;
- // The same parameters are defined in builder for station 2
-
- // Mother volume
- // Outer excess and inner recess for mother volume radius
- // with respect to ROuter and RInner
- Float_t dframep=.001; // Value for station 3 should be 6 ...
- // Width (RdPhi) of the frame crosses for stations 1 and 2 (cm)
- // Float_t dframep1=.001;
- Float_t dframep1 = 11.0;
- Float_t phi=2*TMath::Pi()/12/2;
- // The same parameters are defined in builder for station 2
-
- Float_t tpar[3];
- Float_t dstation = (-AliMUONConstants::DefaultChamberZ(1)) -
- (-AliMUONConstants::DefaultChamberZ(0));
- tpar[0] = AliMUONConstants::Rmin(0)-dframep;
- tpar[1] = (AliMUONConstants::Rmax(0)+dframep)/TMath::Cos(phi);
- tpar[2] = dstation/5;
-
- TVirtualMC::GetMC()->Gsvolu("S01M", "TUBE", idAir, tpar, 3);
- TVirtualMC::GetMC()->Gsvolu("S02M", "TUBE", idAir, tpar, 3);
-
- // CHANGED
- //TVirtualMC::GetMC()->Gspos("S01M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
- //TVirtualMC::GetMC()->Gspos("S02M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
-
- GetEnvelopes(0)->AddEnvelope("S01M", 100, false);
- GetEnvelopes(1)->AddEnvelope("S02M", 200, false);
-
-
-// // Aluminium frames
-// // Outer frames
-// pgpar[0] = 360/12/2;
-// pgpar[1] = 360.;
-// pgpar[2] = 12.;
-// pgpar[3] = 2;
-// pgpar[4] = -dframez/2;
-// pgpar[5] = AliMUONConstants::Rmax(0);
-// pgpar[6] = pgpar[5]+dframep1;
-// pgpar[7] = +dframez/2;
-// pgpar[8] = pgpar[5];
-// pgpar[9] = pgpar[6];
-// TVirtualMC::GetMC()->Gsvolu("S01O", "PGON", idAlu1, pgpar, 10);
-// TVirtualMC::GetMC()->Gsvolu("S02O", "PGON", idAlu1, pgpar, 10);
-// TVirtualMC::GetMC()->Gspos("S01O",1,"S01M", 0.,0.,-zfpos, 0,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S01O",2,"S01M", 0.,0.,+zfpos, 0,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S02O",1,"S02M", 0.,0.,-zfpos, 0,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S02O",2,"S02M", 0.,0.,+zfpos, 0,"ONLY");
-// //
-// // Inner frame
-// tpar[0]= AliMUONConstants::Rmin(0)-dframep1;
-// tpar[1]= AliMUONConstants::Rmin(0);
-// tpar[2]= dframez/2;
-// TVirtualMC::GetMC()->Gsvolu("S01I", "TUBE", idAlu1, tpar, 3);
-// TVirtualMC::GetMC()->Gsvolu("S02I", "TUBE", idAlu1, tpar, 3);
-
-// TVirtualMC::GetMC()->Gspos("S01I",1,"S01M", 0.,0.,-zfpos, 0,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S01I",2,"S01M", 0.,0.,+zfpos, 0,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S02I",1,"S02M", 0.,0.,-zfpos, 0,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S02I",2,"S02M", 0.,0.,+zfpos, 0,"ONLY");
-//
-// Frame Crosses
- if (frameCrosses) {
- // outside gas
- // security for inside mother volume
- Float_t bpar[3];
- bpar[0] = (AliMUONConstants::Rmax(0) - AliMUONConstants::Rmin(0))
- * TMath::Cos(TMath::ASin(dframep1 /
- (AliMUONConstants::Rmax(0) - AliMUONConstants::Rmin(0))))
- / 2.0;
- bpar[1] = dframep1/2;
- // total thickness will be (4 * bpar[2]) for each chamber,
- // which has to be equal to (2 * dframez) - DAlu
- bpar[2] = (2.0 * dframez - kDAlu) / 4.0;
- TVirtualMC::GetMC()->Gsvolu("S01B", "BOX", idAlu1, bpar, 3);
- TVirtualMC::GetMC()->Gsvolu("S02B", "BOX", idAlu1, bpar, 3);
-
- TVirtualMC::GetMC()->Gspos("S01B",1,"S01M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,-zfpos,
- irot1,"ONLY");
- TVirtualMC::GetMC()->Gspos("S01B",2,"S01M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,-zfpos,
- irot1,"ONLY");
- TVirtualMC::GetMC()->Gspos("S01B",3,"S01M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,-zfpos,
- irot2,"ONLY");
- TVirtualMC::GetMC()->Gspos("S01B",4,"S01M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,-zfpos,
- irot2,"ONLY");
- TVirtualMC::GetMC()->Gspos("S01B",5,"S01M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,+zfpos,
- irot1,"ONLY");
- TVirtualMC::GetMC()->Gspos("S01B",6,"S01M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,+zfpos,
- irot1,"ONLY");
- TVirtualMC::GetMC()->Gspos("S01B",7,"S01M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,+zfpos,
- irot2,"ONLY");
- TVirtualMC::GetMC()->Gspos("S01B",8,"S01M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,+zfpos,
- irot2,"ONLY");
-
- TVirtualMC::GetMC()->Gspos("S02B",1,"S02M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,-zfpos,
- irot1,"ONLY");
- TVirtualMC::GetMC()->Gspos("S02B",2,"S02M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,-zfpos,
- irot1,"ONLY");
- TVirtualMC::GetMC()->Gspos("S02B",3,"S02M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,-zfpos,
- irot2,"ONLY");
- TVirtualMC::GetMC()->Gspos("S02B",4,"S02M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,-zfpos,
- irot2,"ONLY");
- TVirtualMC::GetMC()->Gspos("S02B",5,"S02M", +AliMUONConstants::Rmin(0)+bpar[0] , 0,+zfpos,
- irot1,"ONLY");
- TVirtualMC::GetMC()->Gspos("S02B",6,"S02M", -AliMUONConstants::Rmin(0)-bpar[0] , 0,+zfpos,
- irot1,"ONLY");
- TVirtualMC::GetMC()->Gspos("S02B",7,"S02M", 0, +AliMUONConstants::Rmin(0)+bpar[0] ,+zfpos,
- irot2,"ONLY");
- TVirtualMC::GetMC()->Gspos("S02B",8,"S02M", 0, -AliMUONConstants::Rmin(0)-bpar[0] ,+zfpos,
- irot2,"ONLY");
- }
-//
-// Chamber Material represented by Alu sheet
- tpar[0]= AliMUONConstants::Rmin(0);
- tpar[1]= AliMUONConstants::Rmax(0);
- tpar[2] = (kDGas+kDAlu)/2;
- TVirtualMC::GetMC()->Gsvolu("S01A", "TUBE", idAlu2, tpar, 3);
- TVirtualMC::GetMC()->Gsvolu("S02A", "TUBE",idAlu2, tpar, 3);
- TVirtualMC::GetMC()->Gspos("S01A", 1, "S01M", 0., 0., 0., 0, "ONLY");
- TVirtualMC::GetMC()->Gspos("S02A", 1, "S02M", 0., 0., 0., 0, "ONLY");
-//
-// Sensitive volumes
- // tpar[2] = kDGas;
- tpar[2] = kDGas/2;
- TVirtualMC::GetMC()->Gsvolu("S01G", "TUBE", idGas, tpar, 3);
- TVirtualMC::GetMC()->Gsvolu("S02G", "TUBE", idGas, tpar, 3);
- TVirtualMC::GetMC()->Gspos("S01G", 1, "S01A", 0., 0., 0., 0, "ONLY");
- TVirtualMC::GetMC()->Gspos("S02G", 1, "S02A", 0., 0., 0., 0, "ONLY");
-//
-// Frame Crosses to be placed inside gas
- // NONE: chambers are sensitive everywhere
-// if (frameCrosses) {
-
-// dr = (AliMUONConstants::Rmax(0) - AliMUONConstants::Rmin(0));
-// bpar[0] = TMath::Sqrt(dr*dr-dframep1*dframep1/4)/2;
-// bpar[1] = dframep1/2;
-// bpar[2] = kDGas/2;
-// TVirtualMC::GetMC()->Gsvolu("S01F", "BOX", idAlu1, bpar, 3);
-// TVirtualMC::GetMC()->Gsvolu("S02F", "BOX", idAlu1, bpar, 3);
-
-// TVirtualMC::GetMC()->Gspos("S01F",1,"S01G", +AliMUONConstants::Rmin(0)+bpar[0] , 0, 0,
-// irot1,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S01F",2,"S01G", -AliMUONConstants::Rmin(0)-bpar[0] , 0, 0,
-// irot1,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S01F",3,"S01G", 0, +AliMUONConstants::Rmin(0)+bpar[0] , 0,
-// irot2,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S01F",4,"S01G", 0, -AliMUONConstants::Rmin(0)-bpar[0] , 0,
-// irot2,"ONLY");
-
-// TVirtualMC::GetMC()->Gspos("S02F",1,"S02G", +AliMUONConstants::Rmin(0)+bpar[0] , 0, 0,
-// irot1,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S02F",2,"S02G", -AliMUONConstants::Rmin(0)-bpar[0] , 0, 0,
-// irot1,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S02F",3,"S02G", 0, +AliMUONConstants::Rmin(0)+bpar[0] , 0,
-// irot2,"ONLY");
-// TVirtualMC::GetMC()->Gspos("S02F",4,"S02G", 0, -AliMUONConstants::Rmin(0)-bpar[0] , 0,
-// irot2,"ONLY");
-// }
-}
-
-//______________________________________________________________________________
-void AliMUONSt1GeometryBuilder::SetVolumes()
-{
-/// Define the volumes for the station2 chambers.
-}
-
-//______________________________________________________________________________
-void AliMUONSt1GeometryBuilder::SetTransformations()
-{
-/// Define the transformations for the station2 chambers.
-
- Double_t zpos1= - AliMUONConstants::DefaultChamberZ(0);
- SetTranslation(0, TGeoTranslation(0., 0., zpos1));
-
- Double_t zpos2 = - AliMUONConstants::DefaultChamberZ(1);
- SetTranslation(0, TGeoTranslation(0., 0., zpos2));
-}
-
-//______________________________________________________________________________
-void AliMUONSt1GeometryBuilder::SetSensitiveVolumes()
-{
-/// Define the sensitive volumes for station1 chambers.
-
- GetGeometry(0)->SetSensitiveVolume("S01G");
- GetGeometry(1)->SetSensitiveVolume("S02G");
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff