+++ /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. *
- **************************************************************************/
-
-/* $Id$ */
-
-///////////////////////////////////////////////////////////////////////////////
-// //
-// Magnetic Dipole version 1 //
-// //
-//Begin_Html
-/*
-<img src="picts/AliDIPOv1Class.gif">
-</pre>
-<br clear=left>
-<font size=+2 color=red>
-<p>The responsible person for this module is
-<a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
-</font>
-<pre>
-*/
-//End_Html
-// //
-// //
-///////////////////////////////////////////////////////////////////////////////
-
-#include <TVirtualMC.h>
-
-#include "AliDIPOv1.h"
-#include "AliMagF.h"
-#include "AliRun.h"
-
-ClassImp(AliDIPOv1)
-
-//_____________________________________________________________________________
-AliDIPOv1::AliDIPOv1()
-{
- //
- // Default constructor for the magnetic dipole version 1
- //
-}
-
-//_____________________________________________________________________________
-AliDIPOv1::AliDIPOv1(const char *name, const char *title)
- : AliDIPO(name,title)
-{
- //
- // Standard constructor for magnetic dipole version 1
- //
- SetMarkerColor(7);
- SetMarkerStyle(2);
- SetMarkerSize(0.4);
-}
-
-//_____________________________________________________________________________
-void AliDIPOv1::CreateGeometry()
-{
- //
- // Creation of the geometry of the magnetic DIPOLE version 1
- //
- //Begin_Html
- /*
- <img src="picts/AliDIPOv1Tree.gif">
- */
- //End_Html
- //Begin_Html
- /*
- <img src="picts/AliDIPOv1.gif">
- */
- //End_Html
-
- Float_t par[5];
-
- Int_t *idtmed = fIdtmed->GetArray()-1799;
-
- //abs_d = 90.; // DEFINES DRIFT LENGTH
- //z_nose = 102.;
- //z_cone = 285.;
- //theta1 = 24.; // 1. angle defining the front absorber
- //theta2 = 5.; // 2. angle defining the front absorbe
- //acc_max = 9.; // ANGLE POLAIRE MAXIMUM
- //acc_min = 2.; // ANGLE POLAIRE MINIMUM DE DETECTION
- //abs_l = 503.;
- //d_steel = 1.; // THICKNESS OF STEEL SUPPORT
- //d_poly = 7.5;
- //d_pb = 2.5;
- //abs_cc = 315.; // DEFINES LENGTH OF CARBON
- //abs_c = 358.;
- //abs_s = 150.; // DEFINES W-SHIELD LENGTH
- //abs_n = 80.; // START OF NOSE
- //r_abs = 4.;
- //r_pb = .1;
- //epsilon = .01;
- //theta_r = 3.;
- //d_rear = 35.;
- //theta_open = .75;
-
- //z_l3 = 700.;
- //zmag_in = 725.;
- //zmag_out = 1225.;
- //zfil_in = 1471.;
- //zfil_out = 1591.;
- //zcon_in = 1900.;
- //zcon_out = 2e3;
- //zcone_e = 859.0875;
- //spec_l = 1800.;
- //zplug_in = 1780.;
- //zplug_out = 1900.;
-
- // Chamber position
- // CZ1=515.5
- //cz1 = 511.;
- //cz2 = 686.;
- //cz3 = 971.;
- //cz4 = 1245.;
- //cz5 = 1445.;
- //cz6 = 1610.;
- //cz7 = 1710.;
-
-
- // DIPOLE MAGNET
- par[0] = 0.;
- par[1] = 280.;
- par[2] = 250.;
- gMC->Gsvolu("DDIP", "TUBE", idtmed[1801], par, 3);
-
- // COIL
- par[0] = 250.;
- par[1] = 125.;
- par[2] = 165.;
- par[3] = 204.;
- par[4] = 244.;
-
- gMC->Gsvolu("DIPC", "CONE", idtmed[1810], par, 5);
- gMC->Gspos("DIPC", 1, "DDIP", 0., 0., 0., 0, "ONLY");
- par[0] = 250.;
- par[1] = 115.;
- par[2] = 125.;
- par[3] = 194.;
- par[4] = 204.;
- gMC->Gsvolu("DIIC", "CONE", idtmed[1807], par, 5);
- gMC->Gspos("DIIC", 1, "DDIP", 0., 0., 0., 0, "ONLY");
-
- // YOKE
- par[0] = 250.;
- par[1] = 165.;
- par[2] = 195.;
- par[3] = 244.;
- par[4] = 274.;
-
- gMC->Gsvolu("DIPY", "CONE", idtmed[1834], par, 5);
- gMC->Gspos("DIPY", 1, "DDIP", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("DDIP", 1, "ALIC", 0., 0., 725.+250, 0, "ONLY");
-}
-
-//_____________________________________________________________________________
-void AliDIPOv1::DrawModule() const
-{
- //
- // Draw a shaded view of the muon absorber
- //
-
- // Set everything unseen
- gMC->Gsatt("*", "seen", -1);
- //
- // Set ALIC mother transparent
- gMC->Gsatt("ALIC","SEEN",0);
- //
- // Set the volumes visible
- gMC->Gsatt("DDIP","seen",1);
- gMC->Gsatt("DIPC","seen",1);
- gMC->Gsatt("DIIC","seen",1);
- gMC->Gsatt("DIPY","seen",1);
- //
- gMC->Gdopt("hide", "on");
- gMC->Gdopt("shad", "on");
- gMC->Gsatt("*", "fill", 7);
- gMC->SetClipBox(".");
- gMC->SetClipBox(".");
- gMC->DefaultRange();
- gMC->Gdraw("alic", 30, 30, 0, 17, 13.5, .019, .019);
- gMC->Gdhead(1111, "Magnetic Dipole Version 1");
- gMC->Gdman(16, 4, "MAN");
-}
-
-//_____________________________________________________________________________
-void AliDIPOv1::CreateMaterials()
-{
- //
- // Create Materials for Dipole Magnet version 1
- //
-
- Int_t isxfld = gAlice->Field()->Integ();
- Float_t sxmgmx = gAlice->Field()->Max();
-
- Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
- Float_t zsteel[4] = { 26.,24.,28.,14. };
- Float_t wsteel[4] = { .715,.18,.1,.005 };
- Float_t epsil, stmin, deemax, tmaxfd, stemax;
-
- // STEEL
-
-
- // --- Define the various materials for GEANT ---
- AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
- AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
- AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 0, 17.1);
- AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
- AliMixture(24, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
-
- // ****************
- // Defines tracking media parameters.
- // Les valeurs sont commentees pour laisser le defaut
- // a GEANT (version 3-21, page CONS200), f.m.
- epsil = .001; // Tracking precision,
- stemax = -1.; // Maximum displacement for multiple scat
- tmaxfd = -20.; // Maximum angle due to field deflection
- deemax = -.3; // Maximum fractional energy loss, DLS
- stmin = -.8;
- // ***************
-
- // Air
-
- AliMedium(1, "AIR_DI_US ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(2, "AIR_DI_US ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(3, "AIR_L3_US ", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-
- // Aluminum
-
- AliMedium(8, "ALU_DI_US ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(11, "ALU_DI_SH ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-
- // Iron
-
- AliMedium(31, "FE_NF_US ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(32, "FE_DI_US ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(33, "FE_L3_US ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(34, "FE_NF_SH ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(35, "FE_DI_SH ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(36, "FE_L3_SH ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-
- // Vacuum
-
- AliMedium(37, "VA_NF_US ", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(38, "VA_DI_US ", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(39, "VA_L3_US ", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-
- // Steel
-
- AliMedium(75, "ST_L3_US ", 24, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-}
-
+++ /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. *
- **************************************************************************/
-
-/* $Id$ */
-
-///////////////////////////////////////////////////////////////////////////////
-// //
-// Beam pipe class //
-// //
-//Begin_Html
-/*
-<img src="picts/AliPIPEClass.gif">
-*/
-//End_Html
-// //
-///////////////////////////////////////////////////////////////////////////////
-
-#include <TVirtualMC.h>
-
-#include "AliMagF.h"
-#include "AliPIPEv3.h"
-#include "AliRun.h"
-
-ClassImp(AliPIPEv3)
-
-//_____________________________________________________________________________
-AliPIPEv3::AliPIPEv3()
-{
- //
- // Default constructor for beam pipe
- //
-}
-
-//_____________________________________________________________________________
-AliPIPEv3::AliPIPEv3(const char *name, const char *title)
- : AliPIPE(name,title)
-{
- //
- // Standard constructor for beam pipe
- //
-}
-
-//_____________________________________________________________________________
-void AliPIPEv3::CreateGeometry()
-{
- //
- // Create Beam Pipe geometry
- //
- //Begin_Html
- /*
- <img src="picts/AliPIPE.gif">
- */
- //End_Html
- //Begin_Html
- /*
- <img src="picts/AliPIPETree.gif">
- */
- //End_Html
-
- Float_t tpar[3], dzmo, zpos;
- Float_t bepar[3], alpar[3],sspar[3],flange[3],vacpar[3];
- Float_t bellow[3];
-// Float_t undul[3];
-// const Double_t z_flange = 150;
-//for undulated structure
- char cn18[][5]={"CN01","CN02","CN03","CN04","CN05","CN06","CN07","CN08"};
- char cn48[][5]={"CN21","CN22","CN23","CN24","CN25","CN26","CN27","CN28"};
-// char undul[][5]={'BELO','UNDL'};
- Float_t zundul;
- Float_t rundul;
- Float_t pitch;
- Float_t thick;
-
-
- Int_t *idtmed = fIdtmed->GetArray()-1999;
-// the mother of all beam pipes
-
- tpar[0] = 0.;
- tpar[1] = 10.;
- tpar[2] = 1400. / 2;
- dzmo = tpar[2];
- gMC->Gsvolu("QQMO", "TUBE", idtmed[2015], tpar, 3);
-
-// All beam pipe details as per the provisonal drawings given by Lars
-// Leistam on 31.5.99
-
-// Beryllium beam pipe, length 56.6 cm, centered at vertex
-
- bepar[0]=0.0;
- bepar[1]=3.0;
- bepar[2]=28.3;
- zpos=0.0;
- vacpar[0]=0.0;
- vacpar[1]=2.9;
- vacpar[2]=bepar[2];
- //
- gMC->Gsvolu("QQBE", "TUBE", idtmed[2004], bepar, 3);
- gMC->Gsvolu("QAC1", "TUBE", idtmed[2015], vacpar, 3);
- gMC->Gspos("QAC1", 1, "QQBE", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("QQBE", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
- // now beam pipes only in negative z-part for use in PMD.
-
- // SS Flange 4 cm thick, 5.8 cm ID, 6.3 cm OD
- flange[0]=0.0;
- flange[1]=3.15;
- flange[2]=2.0;
- zpos = zpos -bepar[2] - flange[2];
- vacpar[0]=0.0;
- vacpar[1]=2.9;
- vacpar[2]=flange[2];
- //
- gMC->Gsvolu("QFL1", "TUBE", idtmed[2018], flange, 3);
- gMC->Gsvolu("QAC2", "TUBE", idtmed[2015], vacpar, 3);
- gMC->Gspos("QAC2", 1, "QFL1", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("QFL1", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
- // Aluminium alloy beam pipe, 1mm thick, 230 cm long
- alpar[0]=0.0;
- alpar[1]=3.0;
- alpar[2]=115.;
- zpos = zpos - flange[2] - alpar[2];
-
- vacpar[0]=0.0;
- vacpar[1]=2.9;
- vacpar[2]=alpar[2];
- gMC->Gsvolu("QQAL", "TUBE", idtmed[2003], alpar, 3);
- gMC->Gsvolu("QAC3", "TUBE", idtmed[2015], vacpar, 3);
- gMC->Gspos("QAC3", 1, "QQAL", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("QQAL", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
-
- // SS tube 2.0 cm long, 0.8 mm thick, 5.96 cm OD
-
- sspar[0]=0.0;
- sspar[1]=2.98;
- sspar[2]=1.0;
- zpos = zpos - alpar[2] - sspar[2];
-
- vacpar[0]=0.0;
- vacpar[1]=2.9;
- vacpar[2]=sspar[2];
- gMC->Gsvolu("QSS1", "TUBE", idtmed[2018], sspar, 3);
- gMC->Gsvolu("QAC4", "TUBE", idtmed[2015], vacpar, 3);
- gMC->Gspos("QAC4", 1, "QSS1", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("QSS1", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
-
- // SS Flange 3 cm thick 7.4 cm OD, 5.8 cm ID
-
- flange[0]=0.0;
- flange[1]=3.7;
- flange[2]=1.5;
- zpos = zpos - sspar[2] - flange[2];
-
- vacpar[0]=0.0;
- vacpar[1]=2.9;
- vacpar[2]=flange[2];
- gMC->Gsvolu("QFL2", "TUBE", idtmed[2018], flange, 3);
- gMC->Gsvolu("QAC5", "TUBE", idtmed[2015], vacpar, 3);
- gMC->Gspos("QAC5", 1, "QFL2", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("QFL2", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
-
- // SS tube 4.0 cm long, 0.8 mm thick, 5.96 cm OD
-
- sspar[0]=0.0;
- sspar[1]=2.98;
- sspar[2]=2.0;
- zpos = zpos - flange[2] - sspar[2];
-
- vacpar[0]=0.0;
- vacpar[1]=2.9;
- vacpar[2]=sspar[2];
- gMC->Gsvolu("QSS2", "TUBE", idtmed[2018], sspar, 3);
- gMC->Gsvolu("QAC6", "TUBE", idtmed[2015], vacpar, 3);
- gMC->Gspos("QAC6", 1, "QSS2", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("QSS2", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
-
- // *************
- // SS Bellow 8.4 cm long, 6.5 cm ID, 7.5 cm OD
- // 0.8 mm thick material, 0.3 cm pitch.
- // zundul=4.2, rundul=6.5, thick=0.08
- // **************
- pitch=0.3;
- thick=0.08;
- zundul=4.2;
- rundul=6.5;
- Undulation("BELO",pitch,thick,zundul,rundul,cn18);
-//
- bellow[2]=zundul;
- zpos = zpos - sspar[2] - bellow[2];
- gMC->Gspos("BELO", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
- // SS tube 20.0 cm long, 0.8 mm thick, 5.96 cm OD
-
- sspar[0]=0.0;
- sspar[1]=2.98;
- sspar[2]=10.0;
- zpos = zpos - bellow[2] - sspar[2];
-
- vacpar[0]=0.0;
- vacpar[1]=2.9;
- vacpar[2]=sspar[2];
- gMC->Gsvolu("QSS3", "TUBE", idtmed[2018], sspar, 3);
- gMC->Gsvolu("QAC7", "TUBE", idtmed[2015], vacpar, 3);
- gMC->Gspos("QAC7", 1, "QSS3", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("QSS3", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
- // *************
- // SS Bellow 8.4 cm long, 6.5 cm ID, 7.5 cm OD
- // 0.8 mm thick material, 0.3 cm pitch.
- // **************
-//
- zpos = zpos - sspar[2] - bellow[2];
- gMC->Gspos("BELO", 2, "QQMO", 0., 0., zpos, 0, "ONLY");
-
- // SS tube 4.7 cm long, 0.8 mm thick,
-
- sspar[0]=0.0;
- sspar[1]=2.98;
- sspar[2]=4.7/2.;
- zpos = zpos - bellow[2] - sspar[2];
-
- vacpar[0]=0.0;
- vacpar[1]=2.9;
- vacpar[2]=sspar[2];
- gMC->Gsvolu("QSS4", "TUBE", idtmed[2018], sspar, 3);
- gMC->Gsvolu("QAC8", "TUBE", idtmed[2015], vacpar, 3);
- gMC->Gspos("QAC8", 1, "QSS4", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("QSS4", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
- // SS Flange 2.2 cm thick, ID=5.8 cm, OD=9.8 cm
-
- flange[0]=0.0;
- flange[1]=4.9;
- flange[2]=1.1;
- zpos = zpos - sspar[2] - flange[2];
-
- vacpar[0]=0.0;
- vacpar[1]=2.9;
- vacpar[2]=flange[2];
- gMC->Gsvolu("QFL3", "TUBE", idtmed[2018], flange, 3);
- gMC->Gsvolu("QAC9", "TUBE", idtmed[2015], vacpar, 3);
- gMC->Gspos("QAC9", 1, "QFL3", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("QFL3", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
-//Total of 3150 mm from vertex on the negative side upto this point.
-
-// SS tube 20.0 cm long, 0.15 cm thick, 5.8 cm ID, to support vac. pump
-
- sspar[0]=0.0;
- sspar[1]=3.05;
- sspar[2]=10.0;
- zpos = zpos - flange[2] - sspar[2];
-
- vacpar[0]=0.0;
- vacpar[1]=2.9;
- vacpar[2]=sspar[2];
- gMC->Gsvolu("QSS5", "TUBE", idtmed[2018], sspar, 3);
- gMC->Gsvolu("QA10", "TUBE", idtmed[2015], vacpar, 3);
- gMC->Gspos("QA10", 1, "QSS5", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("QSS5", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
-//
- // last item, undulated SS beam pipe, pitch=0.25, length= 342.0 cm
- // material thickness 0.015 cm, ID=6.0 cm,
- // zundul=171.0, thick=0.015, rundul=3.0
- pitch=0.25;
- thick=0.015;
- zundul=171;
- rundul=3.0;
- Undulation("UNDL",pitch,thick,zundul,rundul,cn48);
- //
- zpos = zpos - sspar[2] - zundul;
- gMC->Gspos("UNDL", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-//
- gMC->Gspos("QQMO", 1, "ALIC", 0., 0., 0.1, 0, "ONLY");
-
-// total of 6770 mm length upto this point, end of undulated beam
-// pipe section.
-
-// SS flange 22*2 mm thick
-
-
- flange[0]=0.0;
- flange[1]=6.3;
- flange[2]=2.2;
- zpos = zpos - zundul - flange[2];
-
- vacpar[0]=0.0;
- vacpar[1]=2.9;
- vacpar[2]=flange[2];
- gMC->Gsvolu("QFL4", "TUBE", idtmed[2018], flange, 3);
- gMC->Gsvolu("QC11", "TUBE", idtmed[2015], vacpar, 3);
- gMC->Gspos("QC11", 1, "QFL4", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("QFL4", 1, "QQMO", 0., 0., zpos, 0, "ONLY");
-
-}
-
-//_____________________________________________________________________________
-void AliPIPEv3::DrawModule() const
-{
- //
- // Draw a shaded view of the Beam Pipe
- //
-
- // Set everything unseen
- gMC->Gsatt("*", "seen", -1);
- //
- // Set ALIC mother transparent
- gMC->Gsatt("ALIC","SEEN",0);
- //
- // Set the volumes visible
- gMC->Gsatt("QQMO","seen",1);
- gMC->Gsatt("QQBE","seen",1);
- gMC->Gsatt("QFL1","seen",1);
- gMC->Gsatt("QQAL","seen",1);
- gMC->Gsatt("QSS1","seen",1);
- gMC->Gsatt("QFL2","seen",1);
- gMC->Gsatt("QSS2","seen",1);
- gMC->Gsatt("QSS3","seen",1);
- gMC->Gsatt("QSS4","seen",1);
- gMC->Gsatt("QFL3","seen",1);
- gMC->Gsatt("QSS5","seen",1);
- gMC->Gsatt("BELO","seen",1);
- gMC->Gsatt("UNDL","seen",1);
- //
- gMC->Gdopt("hide", "on");
- gMC->Gdopt("shad", "on");
- gMC->Gsatt("*", "fill", 7);
- gMC->SetClipBox(".");
- gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
- gMC->DefaultRange();
- gMC->Gdraw("alic", 40, 30, 0, 3, 5, .04, .04);
- gMC->Gdhead(1111, "Beam Pipe");
- gMC->Gdman(16, 6, "MAN");
- gMC->Gdopt("hide","off");
-}
-
-//_____________________________________________________________________________
-void AliPIPEv3::CreateMaterials()
-{
- //
- // Create materials for beam pipe
- //
-
- Int_t isxfld = gAlice->Field()->Integ();
- Float_t sxmgmx = gAlice->Field()->Max();
-
- Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
- Float_t zsteel[4] = { 26.,24.,28.,14. };
- Float_t wsteel[4] = { .715,.18,.1,.005 };
-
- Float_t epsil, stmin, tmaxfd, deemax, stemax;
-
- // STEEL
-
-
- // --- Define the various materials for GEANT ---
- AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
- AliMaterial(4, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 18.5);
- AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
- AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
- AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
-
- // ****************
- // Defines tracking media parameters.
- // Les valeurs sont commentees pour laisser le defaut
- // a GEANT (version 3-21, page CONS200), f.m.
- epsil = .001; // Tracking precision,
- stemax = -1.; // Maximum displacement for multiple scat
- tmaxfd = -20.; // Maximum angle due to field deflection
- deemax = -.3; // Maximum fractional energy loss, DLS
- stmin = -.8;
-
- // Air
-
- AliMedium(15, "AIR_L3_US", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-
- // Beryllium
-
- AliMedium(5, "BE_L3_US", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-
-
- // Aluminium
-
- AliMedium(4, "AL_L3_US", 4, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-
- // Vacuum
-
- AliMedium(16, "VA_L3_US", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-
- // Steel
-
- AliMedium(19, "ST_L3_US", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-}
-//
-void AliPIPEv3::Undulation(char *undul, Float_t pitch, Float_t thick,
- Float_t zundul, Float_t rundul, char (*cone)[5])
-{
- //
- // RUNDUL : Internal radius of the undulated chamber
- // THICK : material thickness
- // PITCH : one-QUARTER wave of undulation (cm)
- // ZUNDUL : half length (cm)
- //
- // The undulated structure is desgned as a superposition of eight CONES
- // of suitable sizes, where the inner/outer radius of the cone increases,
- // then decreases, each half of the wave is assumed to be a semicircle,
- // which allows to calculate the thickness and the radii of the cone, by
- // dividing the semicircle into 4 parts of equal arc length.
- // Thus apear the constants 0.293 and 0.707.
- //
-
- const Float_t kConst1 = .293;
- const Float_t kConst2 = .707;
-
- // Local variables
- Int_t j, nwave;
- Float_t dcone1[5], dcone2[5], dcone3[5], dcone4[5], dcone5[5],
- dcone6[5], dcone7[5], dcone8[5];
- Float_t xc, yc, zc, dundul[3];
- Int_t *idtmed = fIdtmed->GetArray()-1999;
-
- // Function Body
-
- dcone1[0] = kConst1 * pitch / 2;
- dcone1[1] = rundul;
- dcone1[2] = dcone1[1] + thick;
- dcone1[3] = dcone1[1] + kConst2 * pitch;
- dcone1[4] = dcone1[3] + thick;
-
- dcone2[0] = kConst2 * pitch / 2;
- dcone2[1] = dcone1[3];
- dcone2[2] = dcone1[4];
- dcone2[3] = dcone2[1] + kConst1 * pitch;
- dcone2[4] = dcone2[3] + thick;
-
- dcone3[0] = dcone2[0];
- dcone3[1] = dcone2[3];
- dcone3[2] = dcone2[4];
- dcone3[3] = dcone2[1];
- dcone3[4] = dcone2[2];
-
- dcone4[0] = dcone1[0];
- dcone4[1] = dcone1[3];
- dcone4[2] = dcone1[4];
- dcone4[3] = dcone1[1];
- dcone4[4] = dcone1[2];
-
- dcone5[0] = dcone1[0];
- dcone5[1] = dcone1[1] - thick;
- dcone5[2] = dcone1[1];
- dcone5[3] = dcone5[1] - kConst2 * pitch;
- dcone5[4] = dcone5[3] + thick;
-
- dcone6[0] = dcone2[0];
- dcone6[1] = dcone5[3];
- dcone6[2] = dcone5[4];
- dcone6[3] = dcone6[1] - kConst1 * pitch;
- dcone6[4] = dcone6[3] + thick;
- dcone7[0] = dcone6[0];
- dcone7[1] = dcone6[3];
- dcone7[2] = dcone6[4];
- dcone7[3] = dcone5[3];
- dcone7[4] = dcone5[4];
-
- dcone8[0] = dcone5[0];
- dcone8[1] = dcone7[3];
- dcone8[2] = dcone7[4];
- dcone8[3] = dcone5[1];
- dcone8[4] = dcone5[2];
-
- gMC->Gsvolu(cone[0], "CONE", idtmed[2018], dcone1, 5);
- gMC->Gsvolu(cone[1], "CONE", idtmed[2018], dcone2, 5);
- gMC->Gsvolu(cone[2], "CONE", idtmed[2018], dcone3, 5);
- gMC->Gsvolu(cone[3], "CONE", idtmed[2018], dcone4, 5);
- gMC->Gsvolu(cone[4], "CONE", idtmed[2018], dcone5, 5);
- gMC->Gsvolu(cone[5], "CONE", idtmed[2018], dcone6, 5);
- gMC->Gsvolu(cone[6], "CONE", idtmed[2018], dcone7, 5);
- gMC->Gsvolu(cone[7], "CONE", idtmed[2018], dcone8, 5);
- gMC->Gsatt(cone[0], "SEEN", 0);
- gMC->Gsatt(cone[1], "SEEN", 0);
- gMC->Gsatt(cone[2], "SEEN", 0);
- gMC->Gsatt(cone[3], "SEEN", 0);
- gMC->Gsatt(cone[4], "SEEN", 0);
- gMC->Gsatt(cone[5], "SEEN", 0);
- gMC->Gsatt(cone[6], "SEEN", 0);
- gMC->Gsatt(cone[7], "SEEN", 0);
-
- // DEFINE AN IMAGINARY TUBE VOLUME FOR UNDULATED CHAMBER, FILL WITH VACUUM
-
- nwave = Int_t (zundul / (pitch * 2) + .1);
- dundul[2] = pitch * 2 * nwave;
- dundul[1] = rundul + pitch + thick * 2;
- //
- dundul[0] = 1e-4;
- gMC->Gsvolu(undul, "TUBE", idtmed[2015], dundul, 3);
-
- xc = 0;
- yc = 0;
- zc = -dundul[2] + dcone1[0];
- for (j = 1; j <= nwave; ++j) {
- gMC->Gspos(cone[0], j, undul, xc, yc, zc, 0, "ONLY");
- zc = zc + dcone1[0] + dcone2[0];
- gMC->Gspos(cone[1], j, undul, xc, yc, zc, 0, "ONLY");
- zc = zc + dcone2[0] + dcone3[0];
- gMC->Gspos(cone[2], j, undul, xc, yc, zc, 0, "ONLY");
- zc = zc + dcone3[0] + dcone4[0];
- gMC->Gspos(cone[3], j, undul, xc, yc, zc, 0, "ONLY");
- zc = zc + dcone4[0] + dcone5[0];
- gMC->Gspos(cone[4], j, undul, xc, yc, zc, 0, "ONLY");
- zc = zc + dcone5[0] + dcone6[0];
- gMC->Gspos(cone[5], j, undul, xc, yc, zc, 0, "ONLY");
- zc = zc + dcone6[0] + dcone7[0];
- gMC->Gspos(cone[6], j, undul, xc, yc, zc, 0, "ONLY");
- zc = zc + dcone7[0] + dcone8[0];
- gMC->Gspos(cone[7], j, undul, xc, yc, zc, 0, "ONLY");
- zc = zc + dcone8[0] + dcone1[0];
- }
-}
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff