-///////////////////////////////////////////////////////////////////////////////
-// //
-// Forward Multiplicity Detector Version 1 //
-// //
-//Begin_Html
-/*
-<img src="picts/AliFMDv1Class.gif">
-</pre>
-<br clear=left>
-<font size=+2 color=red>
-<p>The responsible person for this module is
-<a href="mailto:Valeri.Kondratiev@cern.ch">Valeri Kondratiev</a>.
-</font>
-<pre>
+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+/* $Id$ */
+/** @file AliFMDv1.cxx
+ @author Christian Holm Christensen <cholm@nbi.dk>
+ @date Mon Mar 27 12:48:51 2006
+ @brief Concrete implementation of FMD detector driver - detailed
+ version
+ @ingroup FMD_sim
*/
-//End_Html
-// //
-///////////////////////////////////////////////////////////////////////////////
+//____________________________________________________________________
+//
+// Forward Multiplicity Detector based on Silicon wafers. This class
+// contains the base procedures for the Forward Multiplicity detector
+// Detector consists of 3 sub-detectors FMD1, FMD2, and FMD3, each of
+// which has 1 or 2 rings of silicon sensors.
+// This class contains the detailed version of the FMD - that is, hits
+// are produced during simulation.
+//
+// See also the class AliFMD for a more detailed explanation of the
+// various componets.
+//
+#include <TVirtualMC.h> // ROOT_TVirtualMC
+#include <AliRun.h> // ALIRUN_H
+#include <AliMC.h> // ALIMC_H
+// #include <AliLog.h> // ALILOG_H
+#include "AliFMDDebug.h" // Better debug macros
+#include "AliFMDv1.h" // ALIFMDV1_H
+// #include "AliFMDGeometryBuilder.h"
+#include "AliFMDGeometry.h"
+#include "AliFMDDetector.h"
+#include "AliFMDRing.h"
+#include <TParticlePDG.h>
+#include <TDatabasePDG.h>
+#include "AliFMDHit.h"
-#include "AliRun.h"
-#include "AliFMDv1.h"
-#include "AliMC.h"
-#include "AliConst.h"
-
-
+//____________________________________________________________________
ClassImp(AliFMDv1)
-
-//_____________________________________________________________________________
-AliFMDv1::AliFMDv1() : AliFMD()
-{
- //
- // Defautl constructor for FMD version 1
- //
-}
-
-//_____________________________________________________________________________
-AliFMDv1::AliFMDv1(const char *name, const char *title)
- : AliFMD(name,title)
-{
- //
- // Standard constructor for FMD version 1
- //
-}
-
-//_____________________________________________________________________________
-void AliFMDv1::CreateGeometry()
+#if 0
+ ; // This is here to keep Emacs for indenting the next line
+#endif
+
+
+//____________________________________________________________________
+Bool_t
+AliFMDv1::VMC2FMD(TLorentzVector& v, UShort_t& detector,
+ Char_t& ring, UShort_t& sector, UShort_t& strip) const
{
- //
- // Creation of the geometry of the FMD version 1
- //
- //Begin_Html
- /*
- <img src="picts/AliFMDv1Tree.gif">
- */
- //End_Html
- //Begin_Html
- /*
- <img src="picts/AliFMDv1.gif">
- */
- //End_Html
+ // Convert VMC coordinates to detector coordinates
+ TVirtualMC* mc = TVirtualMC::GetMC();
+ AliFMDGeometry* fmd = AliFMDGeometry::Instance();
+ // Get track position
+ mc->TrackPosition(v);
+ Int_t moduleno; mc->CurrentVolOffID(fmd->GetModuleOff(), moduleno);
+ Int_t iring; mc->CurrentVolOffID(fmd->GetRingOff(), iring);
+ ring = Char_t(iring);
+ Int_t det; mc->CurrentVolOffID(fmd->GetDetectorOff(), det);
+ detector = det;
- Float_t rout;
- Float_t z;
- Float_t h1, h2, t0, t1, t2;
- Float_t tt;
- Float_t par[3], rin;
- const Float_t v1 = 42.0;
- const Float_t v2 = 4.5;
- const Float_t v3 = 5.62;
- const Float_t v4 = 16.0;
-
- Int_t *idtmed = fIdtmed->GetArray()-899;
-
- // ********************************************************
- // DEFINE RIGHT DISK#3 OF FMD
- // ********************************************************
-
- // Define parameters
-
- rin = 4.5;
- rout = 10.5;
- z = 85.;
- tt = 2.5;
- h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
- h2 = .4;
- t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
- t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
- t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
-
- // *******Inner slice***********
- // Inner steel wall
- par[0] = rin - .02;
- par[1] = rin;
- par[2] = 1.5;
- gMC->Gsvolu("IWR3", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("IWR3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Front steel wall
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("FWR3", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("FWR3", 1, "ALIC", 0., 0., z + .01, 0, "ONLY");
- // Rear steel wall
- gMC->Gsvolu("RWR3", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("RWR3", 1, "ALIC", 0., 0., z + 2.99, 0, "ONLY");
- // MCP
- par[0] = rin;
- par[1] = rout;
- par[2] = .07;
- gMC->Gsvolu("MPR3", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("MPR3", 1, "ALIC", 0., 0., z + 1.57, 0, "ONLY");
- // Silicon plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .019;
- gMC->Gsvolu("SPR3", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SPR3", 1, "ALIC", 0., 0., z + 1.719, 0, "ONLY");
- // Summator plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("SMR3", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SMR3", 1, "ALIC", 0., 0., z + 2.01, 0, "ONLY");
- // *******Outer slice *******
- // Ceramic plate
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = 1.25;
- gMC->Gsvolu("CPR3", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CPR3", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Covar spring
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = t0 / 2.;
- gMC->Gsvolu("C1R3", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C1R3", 1, "ALIC", 0., 0., z + .25 - t0 / 2., 0, "ONLY");
- gMC->Gsvolu("C2R3", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C2R3", 1, "ALIC", 0., 0., z + 2.75 + t0 / 2., 0, "ONLY");
- // Getter camera
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t1 / 2.;
- gMC->Gsvolu("GKR3", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("GKR3", 1, "ALIC", 0., 0., z + .25 + t1 / 2., 0, "ONLY");
- // Ceramic slice
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t2 / 2.;
- gMC->Gsvolu("SCR3", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SCR3", 1, "ALIC", 0., 0., z + .25 + t1 + t2 / 2., 0, "ONLY");
- // ******Electronic slice *******
- // Silicon ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("SER3", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SER3", 1, "ALIC", 0., 0., z + 1.57 - .025, 0, "ONLY");
- // Ceramic ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("CER3", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CER3", 1, "ALIC", 0., 0., z + 1.58 + .025, 0, "ONLY");
- // ***********************************************************
- // DEFINE LEFT DISK#3 OF FMD
- // ***********************************************************
-
- // Define parameters
-
- rin = 4.5;
- rout = 10.5;
- z = -85.;
- tt = 2.5;
- h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
- h2 = .4;
- t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
- t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
- t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
-
- // *******Inner slice***********
- // Inner steel wall
- par[0] = rin - .02;
- par[1] = rin;
- par[2] = 1.5;
- gMC->Gsvolu("IWL3", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("IWL3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Front steel wall
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("FWL3", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("FWL3", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
- // Rear steel wall
- gMC->Gsvolu("RWL3", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("RWL3", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
- // MCP
- par[0] = rin;
- par[1] = rout;
- par[2] = .07;
- gMC->Gsvolu("MPL3", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("MPL3", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
- // Silicon plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .019;
- gMC->Gsvolu("SPL3", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SPL3", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
- // Summator plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("SML3", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SML3", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
- // *******Outer slice *******
- // Ceramic plate
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = 1.25;
- gMC->Gsvolu("CPL3", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CPL3", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Covar spring
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = t0 / 2.;
- gMC->Gsvolu("C1L3", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C1L3", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
- gMC->Gsvolu("C2L3", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C2L3", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
- // Getter camera
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t1 / 2.;
- gMC->Gsvolu("GKL3", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("GKL3", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
- // Ceramic slice
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t2 / 2.;
- gMC->Gsvolu("SCL3", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SCL3", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
- // ******Electronic slice *******
- // Silicon ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("SEL3", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SEL3", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
- // Ceramic ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("CEL3", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CEL3", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
- // ********************************************************
- // DEFINE RIGHT DISK#2 OF FMD
- // ********************************************************
-
- // Define parameters
-
- rin = 8.;
- rout = 14.;
- z = 69.7;
- tt = 2.5;
- h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
- h2 = .4;
- t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
- t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
- t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
-
- // *******Inner slice***********
- // Inner steel wall
- par[0] = rin - .02;
- par[1] = rin;
- par[2] = 1.5;
- gMC->Gsvolu("IWR2", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("IWR2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Front steel wall
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("FWR2", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("FWR2", 1, "ALIC", 0., 0., z + .01, 0, "ONLY");
- // Rear steel wall
- gMC->Gsvolu("RWR2", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("RWR2", 1, "ALIC", 0., 0., z + 2.99, 0, "ONLY");
- // MCP
- par[0] = rin;
- par[1] = rout;
- par[2] = .07;
- gMC->Gsvolu("MPR2", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("MPR2", 1, "ALIC", 0., 0., z + 1.57, 0, "ONLY");
- // Silicon plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .019;
- gMC->Gsvolu("SPR2", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SPR2", 1, "ALIC", 0., 0., z + 1.719, 0, "ONLY");
- // Summator plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("SMR2", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SMR2", 1, "ALIC", 0., 0., z + 2.01, 0, "ONLY");
- // *******Outer slice *******
- // Ceramic plate
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = 1.25;
- gMC->Gsvolu("CPR2", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CPR2", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Covar spring
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = t0 / 2.;
- gMC->Gsvolu("C1R2", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C1R2", 1, "ALIC", 0., 0., z + .25 - t0 / 2., 0, "ONLY");
- gMC->Gsvolu("C2R2", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C2R2", 1, "ALIC", 0., 0., z + 2.75 + t0 / 2., 0, "ONLY");
- // Getter camera
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t1 / 2.;
- gMC->Gsvolu("GKR2", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("GKR2", 1, "ALIC", 0., 0., z + .25 + t1 / 2., 0, "ONLY");
- // Ceramic slice
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t2 / 2.;
- gMC->Gsvolu("SCR2", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SCR2", 1, "ALIC", 0., 0., z + .25 + t1 + t2 / 2., 0, "ONLY");
- // ******Electronic slice *******
- // Silicon ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("SER2", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SER2", 1, "ALIC", 0., 0., z + 1.57 - .025, 0, "ONLY");
- // Ceramic ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("CER2", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CER2", 1, "ALIC", 0., 0., z + 1.58 + .025, 0, "ONLY");
- // ***********************************************************
- // DEFINE LEFT DISK#2 OF FMD
- // ***********************************************************
-
- // Define parameters
-
- rin = 8.;
- rout = 14.;
- z = -69.7;
- tt = 2.5;
- h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
- h2 = .4;
- t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
- t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
- t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
-
- // *******Inner slice***********
- // Inner steel wall
- par[0] = rin - .02;
- par[1] = rin;
- par[2] = 1.5;
- gMC->Gsvolu("IWL2", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("IWL2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Front steel wall
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("FWL2", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("FWL2", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
- // Rear steel wall
- gMC->Gsvolu("RWL2", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("RWL2", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
- // MCP
- par[0] = rin;
- par[1] = rout;
- par[2] = .07;
- gMC->Gsvolu("MPL2", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("MPL2", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
- // Silicon plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .019;
- gMC->Gsvolu("SPL2", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SPL2", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
- // Summator plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("SML2", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SML2", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
- // *******Outer slice *******
- // Ceramic plate
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = 1.25;
- gMC->Gsvolu("CPL2", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CPL2", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Covar spring
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = t0 / 2.;
- gMC->Gsvolu("C1L2", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C1L2", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
- gMC->Gsvolu("C2L2", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C2L2", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
- // Getter camera
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t1 / 2.;
- gMC->Gsvolu("GKL2", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("GKL2", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
- // Ceramic slice
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t2 / 2.;
- gMC->Gsvolu("SCL2", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SCL2", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
- // ******Electronic slice *******
- // Silicon ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("SEL2", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SEL2", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
- // Ceramic ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("CEL2", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CEL2", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
- // ********************************************************
- // DEFINE RIGHT DISK#1 OF FMD
- // ********************************************************
-
- // Define parameters
- rin = 8.;
- rout = 17.5;
- z = 42.5;
- tt = 2.5;
- h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
- h2 = .4;
- t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
- t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
- t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
-
- // *******Inner slice***********
- // Inner steel wall
- par[0] = rin - .02;
- par[1] = rin;
- par[2] = 1.5;
- gMC->Gsvolu("IWR1", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("IWR1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Front steel wall
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("FWR1", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("FWR1", 1, "ALIC", 0., 0., z + .01, 0, "ONLY");
- // Rear steel wall
- gMC->Gsvolu("RWR1", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("RWR1", 1, "ALIC", 0., 0., z + 2.99, 0, "ONLY");
- // MCP
- par[0] = rin;
- par[1] = rout;
- par[2] = .07;
- gMC->Gsvolu("MPR1", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("MPR1", 1, "ALIC", 0., 0., z + 1.57, 0, "ONLY");
- // Silicon plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .019;
- gMC->Gsvolu("SPR1", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SPR1", 1, "ALIC", 0., 0., z + 1.719, 0, "ONLY");
- // Summator plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("SMR1", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SMR1", 1, "ALIC", 0., 0., z + 2.01, 0, "ONLY");
- // *******Outer slice *******
- // Ceramic plate
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = 1.25;
- gMC->Gsvolu("CPR1", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CPR1", 1, "ALIC", 0., 0., z + 1.5, 0, "ONLY");
- // Covar spring
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = t0 / 2.;
- gMC->Gsvolu("C1R1", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C1R1", 1, "ALIC", 0., 0., z + .25 - t0 / 2., 0, "ONLY");
- gMC->Gsvolu("C2R1", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C2R1", 1, "ALIC", 0., 0., z + 2.75 + t0 / 2., 0, "ONLY");
- // Getter camera
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t1 / 2.;
- gMC->Gsvolu("GKR1", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("GKR1", 1, "ALIC", 0., 0., z + .25 + t1 / 2., 0, "ONLY");
- // Ceramic slice
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t2 / 2.;
- gMC->Gsvolu("SCR1", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SCR1", 1, "ALIC", 0., 0., z + .25 + t1 + t2 / 2., 0, "ONLY");
- // ******Electronic slice *******
- // Silicon ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("SER1", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SER1", 1, "ALIC", 0., 0., z + 1.57 - .025, 0, "ONLY");
- // Ceramic ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("CER1", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CER1", 1, "ALIC", 0., 0., z + 1.58 + .025, 0, "ONLY");
- // ***********************************************************
- // DEFINE LEFT DISK#1 OF FMD
- // ***********************************************************
-
- // Define parameters
-
- rin = 8.;
- rout = 17.5;
- z = -42.5;
- tt = 2.5;
- h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
- h2 = .4;
- t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
- t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
- t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
-
- // *******Inner slice***********
- // Inner steel wall
- par[0] = rin - .02;
- par[1] = rin;
- par[2] = 1.5;
- gMC->Gsvolu("IWL1", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("IWL1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Front steel wall
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("FWL1", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("FWL1", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
- // Rear steel wall
- gMC->Gsvolu("RWL1", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("RWL1", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
- // MCP
- par[0] = rin;
- par[1] = rout;
- par[2] = .07;
- gMC->Gsvolu("MPL1", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("MPL1", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
- // Silicon plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .019;
- gMC->Gsvolu("SPL1", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SPL1", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
- // Summator plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("SML1", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SML1", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
- // *******Outer slice *******
- // Ceramic plate
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = 1.25;
- gMC->Gsvolu("CPL1", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CPL1", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Covar spring
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = t0 / 2.;
- gMC->Gsvolu("C1L1", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C1L1", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
- gMC->Gsvolu("C2L1", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C2L1", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
- // Getter camera
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t1 / 2.;
- gMC->Gsvolu("GKL1", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("GKL1", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
- // Ceramic slice
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t2 / 2.;
- gMC->Gsvolu("SCL1", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SCL1", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
- // ******Electronic slice *******
- // Silicon ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("SEL1", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SEL1", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
- // Ceramic ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("CEL1", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CEL1", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
- // ***********************************************************
- // DEFINE LEFT DISK#4 OF FMD
- // ***********************************************************
-
- // Define parameters
-
- rin = 4.2;
- rout = 13.;
- z = -229.5;
- tt = 2.5;
- h1 = TMath::Sqrt(rout * rout + v1/ (tt * kPI)) - rout;
- h2 = .4;
- t0 = v2/ (h1 * kPI * (h1 + rout * 2.));
- t1 = v3/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
- t2 = v4/ (h2 * kPI * (h2 + (h1 + rout) * 2.));
-
- // *******Inner slice***********
- // Inner steel wall
- par[0] = rin - .02;
- par[1] = rin;
- par[2] = 1.5;
- gMC->Gsvolu("IWL4", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("IWL4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Front steel wall
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("FWL4", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("FWL4", 1, "ALIC", 0., 0., z - .01, 0, "ONLY");
- // Rear steel wall
- gMC->Gsvolu("RWL4", "TUBE", idtmed[899], par, 3);
- gMC->Gspos("RWL4", 1, "ALIC", 0., 0., z - 2.99, 0, "ONLY");
- // MCP
- par[0] = rin;
- par[1] = rout;
- par[2] = .07;
- gMC->Gsvolu("MPL4", "TUBE", idtmed[900], par, 3);
- gMC->Gspos("MPL4", 1, "ALIC", 0., 0., z - 1.57, 0, "ONLY");
- // Silicon plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .019;
- gMC->Gsvolu("SPL4", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SPL4", 1, "ALIC", 0., 0., z - 1.719, 0, "ONLY");
- // Summator plate
- par[0] = rin;
- par[1] = rout;
- par[2] = .01;
- gMC->Gsvolu("SML4", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SML4", 1, "ALIC", 0., 0., z - 2.01, 0, "ONLY");
- // *******Outer slice *******
- // Ceramic plate
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = 1.25;
- gMC->Gsvolu("CPL4", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CPL4", 1, "ALIC", 0., 0., z - 1.5, 0, "ONLY");
- // Covar spring
- par[0] = rout;
- par[1] = rout + h1;
- par[2] = t0 / 2.;
- gMC->Gsvolu("C1L4", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C1L4", 1, "ALIC", 0., 0., z - .25 + t0 / 2., 0, "ONLY");
- gMC->Gsvolu("C2L4", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("C2L4", 1, "ALIC", 0., 0., z - 2.75 - t0 / 2., 0, "ONLY");
- // Getter camera
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t1 / 2.;
- gMC->Gsvolu("GKL4", "TUBE", idtmed[903], par, 3);
- gMC->Gspos("GKL4", 1, "ALIC", 0., 0., z - .25 - t1 / 2., 0, "ONLY");
- // Ceramic slice
- par[0] = rout + h1;
- par[1] = rout + h1 + h2;
- par[2] = t2 / 2.;
- gMC->Gsvolu("SCL4", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("SCL4", 1, "ALIC", 0., 0., z - .25 - t1 - t2 / 2., 0, "ONLY");
- // ******Electronic slice *******
- // Silicon ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("SEL4", "TUBE", idtmed[901], par, 3);
- gMC->Gspos("SEL4", 1, "ALIC", 0., 0., z - 1.57 + .025, 0, "ONLY");
- // Ceramic ring
- par[0] = rout + h1 + h2;
- par[1] = rout + h1 + h2 + 5.;
- par[2] = .025;
- gMC->Gsvolu("CEL4", "TUBE", idtmed[902], par, 3);
- gMC->Gspos("CEL4", 1, "ALIC", 0., 0., z - 1.58 - .025, 0, "ONLY");
+ // Get the ring geometry
+ //Int_t nsec = fmd->GetDetector(detector)->GetRing(ring)->GetNSectors();
+ Int_t nstr = fmd->GetDetector(detector)->GetRing(ring)->GetNStrips();
+ Double_t lowr = fmd->GetDetector(detector)->GetRing(ring)->GetMinR();
+ Double_t theta = fmd->GetDetector(detector)->GetRing(ring)->GetTheta();
+ Double_t pitch = fmd->GetDetector(detector)->GetRing(ring)->GetPitch();
+
+ // Figure out the strip number
+ Double_t r = TMath::Sqrt(v.X() * v.X() + v.Y() * v.Y());
+ Int_t str = Int_t((r - lowr) / pitch);
+ if (str < 0 || str >= nstr) return kFALSE;
+ strip = str;
+
+ // Figure out the sector number
+ Double_t phi = TMath::ATan2(v.Y(), v.X()) * 180. / TMath::Pi();
+ if (phi < 0) phi = 360. + phi;
+ Double_t t = phi - 2 * moduleno * theta;
+ sector = 2 * moduleno;
+ if (t < 0 || t > 2 * theta) return kFALSE;
+ else if (t > theta) sector += 1;
+
+ AliFMDDebug(40, ("<1> Inside an active FMD volume FMD%d%c[%2d,%3d] %s",
+ detector, ring, sector, strip, mc->CurrentVolPath()));
+ return kTRUE;
}
-
-//_____________________________________________________________________________
-void AliFMDv1::DrawModule()
+
+//____________________________________________________________________
+Bool_t
+AliFMDv1::VMC2FMD(Int_t copy, TLorentzVector& v,
+ UShort_t& detector, Char_t& ring,
+ UShort_t& sector, UShort_t& strip) const
{
- //
- // Draw a shaded view of the FMD version 1
- //
+ // Convert VMC coordinates to detector coordinates
+ TVirtualMC* mc = TVirtualMC::GetMC();
+ AliFMDGeometry* fmd = AliFMDGeometry::Instance();
-
- // Set everything unseen
- gMC->Gsatt("*", "seen", -1);
- //
- // Set ALIC mother transparent
- gMC->Gsatt("ALIC","SEEN",0);
- //
- // Set the volumes visible
- gMC->Gsatt("IWR3","seen",1);
- gMC->Gsatt("FWR3","seen",1);
- gMC->Gsatt("RWR3","seen",1);
- gMC->Gsatt("MPR3","seen",1);
- gMC->Gsatt("SPR3","seen",1);
- gMC->Gsatt("SMR3","seen",1);
- gMC->Gsatt("CPR3","seen",1);
- gMC->Gsatt("C1R3","seen",1);
- gMC->Gsatt("C2R3","seen",1);
- gMC->Gsatt("GKR3","seen",1);
- gMC->Gsatt("SCR3","seen",1);
- gMC->Gsatt("SER3","seen",1);
- gMC->Gsatt("CER3","seen",1);
- gMC->Gsatt("IWL3","seen",1);
- gMC->Gsatt("FWL3","seen",1);
- gMC->Gsatt("RWL3","seen",1);
- gMC->Gsatt("MPL3","seen",1);
- gMC->Gsatt("SPL3","seen",1);
- gMC->Gsatt("SML3","seen",1);
- gMC->Gsatt("CPL3","seen",1);
- gMC->Gsatt("C1L3","seen",1);
- gMC->Gsatt("C2L3","seen",1);
- gMC->Gsatt("GKL3","seen",1);
- gMC->Gsatt("SCL3","seen",1);
- gMC->Gsatt("SEL3","seen",1);
- gMC->Gsatt("CEL3","seen",1);
- gMC->Gsatt("IWR2","seen",1);
- gMC->Gsatt("FWR2","seen",1);
- gMC->Gsatt("RWR2","seen",1);
- gMC->Gsatt("MPR2","seen",1);
- gMC->Gsatt("SPR2","seen",1);
- gMC->Gsatt("SMR2","seen",1);
- gMC->Gsatt("CPR2","seen",1);
- gMC->Gsatt("C1R2","seen",1);
- gMC->Gsatt("C2R2","seen",1);
- gMC->Gsatt("GKR2","seen",1);
- gMC->Gsatt("SCR2","seen",1);
- gMC->Gsatt("SER2","seen",1);
- gMC->Gsatt("CER2","seen",1);
- gMC->Gsatt("IWL2","seen",1);
- gMC->Gsatt("FWL2","seen",1);
- gMC->Gsatt("RWL2","seen",1);
- gMC->Gsatt("MPL2","seen",1);
- gMC->Gsatt("SPL2","seen",1);
- gMC->Gsatt("SML2","seen",1);
- gMC->Gsatt("CPL2","seen",1);
- gMC->Gsatt("C1L2","seen",1);
- gMC->Gsatt("C2L2","seen",1);
- gMC->Gsatt("GKL2","seen",1);
- gMC->Gsatt("SCL2","seen",1);
- gMC->Gsatt("SEL2","seen",1);
- gMC->Gsatt("CEL2","seen",1);
- gMC->Gsatt("IWR1","seen",1);
- gMC->Gsatt("FWR1","seen",1);
- gMC->Gsatt("RWR1","seen",1);
- gMC->Gsatt("MPR1","seen",1);
- gMC->Gsatt("SPR1","seen",1);
- gMC->Gsatt("SMR1","seen",1);
- gMC->Gsatt("CPR1","seen",1);
- gMC->Gsatt("C1R1","seen",1);
- gMC->Gsatt("C2R1","seen",1);
- gMC->Gsatt("GKR1","seen",1);
- gMC->Gsatt("SCR1","seen",1);
- gMC->Gsatt("SER1","seen",1);
- gMC->Gsatt("CER1","seen",1);
- gMC->Gsatt("IWL1","seen",1);
- gMC->Gsatt("FWL1","seen",1);
- gMC->Gsatt("RWL1","seen",1);
- gMC->Gsatt("MPL1","seen",1);
- gMC->Gsatt("SPL1","seen",1);
- gMC->Gsatt("SML1","seen",1);
- gMC->Gsatt("CPL1","seen",1);
- gMC->Gsatt("C1L1","seen",1);
- gMC->Gsatt("C2L1","seen",1);
- gMC->Gsatt("GKL1","seen",1);
- gMC->Gsatt("SCL1","seen",1);
- gMC->Gsatt("SEL1","seen",1);
- gMC->Gsatt("CEL1","seen",1);
- gMC->Gsatt("IWL4","seen",1);
- gMC->Gsatt("FWL4","seen",1);
- gMC->Gsatt("RWL4","seen",1);
- gMC->Gsatt("MPL4","seen",1);
- gMC->Gsatt("SPL4","seen",1);
- gMC->Gsatt("SML4","seen",1);
- gMC->Gsatt("CPL4","seen",1);
- gMC->Gsatt("C1L4","seen",1);
- gMC->Gsatt("C2L4","seen",1);
- gMC->Gsatt("GKL4","seen",1);
- gMC->Gsatt("SCL4","seen",1);
- gMC->Gsatt("SEL4","seen",1);
- gMC->Gsatt("CEL4","seen",1);
- //
- gMC->Gdopt("hide", "on");
- gMC->Gdopt("shad", "on");
- gMC->Gsatt("*", "fill", 7);
- gMC->SetClipBox(".");
- gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
- gMC->DefaultRange();
- gMC->Gdraw("alic", 40, 30, 0, 6, 9, .08, .08);
- gMC->Gdhead(1111, "Forward Multiplicity Detector version 1");
- gMC->Gdman(13, 9, "MAN");
+ strip = copy - 1;
+ Int_t sectordiv; mc->CurrentVolOffID(fmd->GetSectorOff(), sectordiv);
+ if (fmd->GetModuleOff() >= 0) {
+ Int_t module; mc->CurrentVolOffID(fmd->GetModuleOff(), module);
+ sector = 2 * module + sectordiv;
+ }
+ else
+ sector = sectordiv;
+ AliFMDDebug(30, ("Getting ring volume with offset %d -> %s",
+ fmd->GetRingOff(),
+ mc->CurrentVolOffName(fmd->GetRingOff())));
+ Int_t iring; mc->CurrentVolOffID(fmd->GetRingOff(), iring);
+ ring = Char_t(iring);
+ Int_t det; mc->CurrentVolOffID(fmd->GetDetectorOff(), det);
+ detector = det;
+
+ //Double_t rz = fmd->GetDetector(detector)->GetRingZ(ring);
+ AliFMDDetector* gdet = fmd->GetDetector(detector);
+ AliFMDRing* gring = gdet->GetRing(ring);
+ if (!gring) {
+ AliFatal(Form("Ring %c not found (volume was %s at offset %d in path %s)",
+ ring, fmd->GetRingOff(),
+ mc->CurrentVolOffName(fmd->GetRingOff()),
+ mc->CurrentVolPath()));
+ }
+ Int_t n = gring->GetNSectors();
+#if 0
+ if (rz < 0) {
+ Int_t s = ((n - sector + n / 2) % n) + 1;
+ AliFMDDebug(1, ("Recalculating sector to %d (=%d-%d+%d/2%%%d+1 z=%f)",
+ s, n, sector, n, n, rz));
+ sector = s;
+ }
+#endif
+ if (sector < 1 || sector > n) {
+ AliWarning(Form("sector # %d out of range (0-%d)", sector-1, n-1));
+ return kFALSE;
+ }
+ sector--;
+ // Get track position
+ mc->TrackPosition(v);
+ AliFMDDebug(40, ("<2> Inside an active FMD volume FMD%d%c[%2d,%3d] %s",
+ detector, ring, sector, strip, mc->CurrentVolPath()));
+
+ return kTRUE;
}
-//_____________________________________________________________________________
-void AliFMDv1::CreateMaterials()
-{
- //
- // Create materials for version 1 of FMD
- //
- // Steel for chamber
- Float_t ast[4] = { 55.847,58.71,51.996,47.9 };
- Float_t zst[4] = { 26.,28.,24.,22. };
- Float_t wst[4] = { .6,.18,.12,.1 };
- // Lead glass for MCP
- Float_t amcp[3] = { 15.9994,28.086,207.19 };
- Float_t zmcp[3] = { 8.,14.,82. };
- Float_t wmcp[3] = { .43,.375,.195 };
- // Ceramic for plates
- Float_t acer[2] = { 26.98,15.9994 };
- Float_t zcer[2] = { 13.,8. };
- Float_t wcer[2] = { .4,.6 };
-
- Float_t epsil, stmin, deemax, tmaxfd, stemax;
-
- Int_t ISXFLD = gAlice->Field()->Integ();
- Float_t SXMGMX = gAlice->Field()->Max();
-
- // Silicon
-
- AliMaterial(2, "SI$", 28.086, 14., 2.33, 9.36, 45.5);
-
- // Covar
-
- AliMaterial(4, "FE$", 55.85, 26., 8.3, 1.67, 15.9);
-
- // Steel
-
- AliMixture(0, "FMD_STEEL$", ast, zst, 7.9, 4, wst);
-
- // Lead glass
-
- AliMixture(1, "FMD_MCP$", amcp, zmcp, 1.55, 3, wmcp);
-
- // Ceramic
-
- AliMixture(3, "FMD_CERAMIC$", acer, zcer, 3.96, -2, wcer);
- // *******************************************************
- // Defines tracking media parameters.
- // *******************************************************
- epsil = .001; // Tracking precision, DLS
- stemax = -1.; // Maximum displacement for multiple scattering
- tmaxfd = -20.; // Maximum angle due to field deflection
- deemax = -.3; // Maximum fractional energy loss, DLS
- stmin = -.8;
- // ********************************************************
- AliMedium(0, "STEEL_L3 ", 0, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(1, "LEAD_GLASS_L3 ", 1, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(2, "SILICON_L3 ", 2, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(3, "CERAMIC_L3 ", 3, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(4, "COVAR_L3 ", 4, 0, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
+//____________________________________________________________________
+Bool_t
+AliFMDv1::CheckHit(Int_t trackno, Int_t pdg, Float_t absQ,
+ const TLorentzVector& p, Float_t edep) const
+{
+ // Check that a hit is good
+ if (AliLog::GetDebugLevel("FMD", "AliFMD") < 5) return kFALSE;
+ TVirtualMC* mc = TVirtualMC::GetMC();
+ Double_t mass = mc->TrackMass();
+ Double_t poverm = (mass == 0 ? 0 : p.P() / mass);
+
+ // This `if' is to debug abnormal energy depositions. We trigger on
+ // p/m approx larger than or equal to a MIP, and a large edep - more
+ // than 1 keV - a MIP is 100 eV.
+ if (!(edep > absQ * absQ && poverm > 1)) return kFALSE;
+
+ TArrayI procs;
+ mc->StepProcesses(procs);
+ TString processes;
+ for (Int_t ip = 0; ip < procs.fN; ip++) {
+ if (ip != 0) processes.Append(",");
+ processes.Append(TMCProcessName[procs.fArray[ip]]);
+ }
+ TDatabasePDG* pdgDB = TDatabasePDG::Instance();
+ TParticlePDG* particleType = pdgDB->GetParticle(pdg);
+ TString pname(particleType ? particleType->GetName() : "???");
+ TString what;
+ if (mc->IsTrackEntering()) what.Append("entering ");
+ if (mc->IsTrackExiting()) what.Append("exiting ");
+ if (mc->IsTrackInside()) what.Append("inside ");
+ if (mc->IsTrackDisappeared()) what.Append("disappeared ");
+ if (mc->IsTrackStop()) what.Append("stopped ");
+ if (mc->IsNewTrack()) what.Append("new ");
+ if (mc->IsTrackAlive()) what.Append("alive ");
+ if (mc->IsTrackOut()) what.Append("out ");
+
+ Int_t mother = gAlice->GetMCApp()->GetPrimary(trackno);
+ AliFMDDebug(15, ("Track # %5d deposits a lot of energy\n"
+ " Volume: %s\n"
+ " Momentum: (%7.4f,%7.4f,%7.4f)\n"
+ " PDG: %d (%s)\n"
+ " Edep: %-14.7f keV (mother %d)\n"
+ " p/m: %-7.4f/%-7.4f = %-14.7f\n"
+ " Processes: %s\n"
+ " What: %s\n",
+ trackno, mc->CurrentVolPath(), p.X(), p.Y(), p.Z(),
+ pdg, pname.Data(), edep, mother, p.P(), mass,
+ poverm, processes.Data(), what.Data()));
+ return kTRUE;
}
+
+//____________________________________________________________________
+void
+AliFMDv1::StepManager()
+{
+ // Member function that is executed each time a hit is made in the
+ // FMD. None-charged particles are ignored. Dead tracks are
+ // ignored.
+ //
+ // The procedure is as follows:
+ //
+ // - IF NOT track is alive THEN RETURN ENDIF
+ // - IF NOT particle is charged THEN RETURN ENDIF
+ // - IF NOT volume name is "STRI" or "STRO" THEN RETURN ENDIF
+ // - Get strip number (volume copy # minus 1)
+ // - Get phi division number (mother volume copy #)
+ // - Get module number (grand-mother volume copy #)
+ // - section # = 2 * module # + phi division # - 1
+ // - Get ring Id from volume name
+ // - Get detector # from grand-grand-grand-mother volume name
+ // - Get pointer to sub-detector object.
+ // - Get track position
+ // - IF track is entering volume AND track is inside real shape THEN
+ // - Reset energy deposited
+ // - Get track momentum
+ // - Get particle ID #
+ /// - ENDIF
+ // - IF track is inside volume AND inside real shape THEN
+ /// - Update energy deposited
+ // - ENDIF
+ // - IF track is inside real shape AND (track is leaving volume,
+ // or it died, or it is stopped THEN
+ // - Create a hit
+ // - ENDIF
+ //
+ TVirtualMC* mc = TVirtualMC::GetMC();
+ if (!mc->IsTrackAlive()) return;
+ Double_t absQ = TMath::Abs(mc->TrackCharge());
+ if (absQ <= 0) return;
+
+ Int_t copy;
+ Int_t vol = mc->CurrentVolID(copy);
+ AliFMDGeometry* fmd = AliFMDGeometry::Instance();
+ if (!fmd->IsActive(vol)) {
+ AliFMDDebug(50, ("Not an FMD volume %d '%s'",vol,mc->CurrentVolName()));
+ return;
+ }
+ TLorentzVector v;
+ UShort_t detector;
+ Char_t ring;
+ UShort_t sector;
+ UShort_t strip;
+
+ if (fmd->IsDetailed()) {
+ if (!VMC2FMD(copy, v, detector, ring, sector, strip)) return;
+ } else {
+ if (!VMC2FMD(v, detector, ring, sector, strip)) return;
+ }
+ TLorentzVector p;
+ mc->TrackMomentum(p);
+ Int_t trackno = gAlice->GetMCApp()->GetCurrentTrackNumber();
+ Int_t pdg = mc->TrackPid();
+ Double_t edep = mc->Edep() * 1000; // keV
+ Bool_t isBad = CheckHit(trackno, pdg, absQ, p, edep);
+
+ // Check that the track is actually within the active area
+ Bool_t entering = mc->IsTrackEntering();
+ Bool_t inside = mc->IsTrackInside();
+ Bool_t out = (mc->IsTrackExiting()|| mc->IsTrackDisappeared()||
+ mc->IsTrackStop());
+ // Reset the energy deposition for this track, and update some of
+ // our parameters.
+ if (entering) {
+ AliFMDDebug(15, ("Track # %8d entering active FMD volume %s: "
+ "Edep=%f (%f,%f,%f)", trackno, mc->CurrentVolPath(),
+ edep, v.X(), v.Y(), v.Z()));
+ fCurrentP = p;
+ fCurrentV = v;
+ fCurrentDeltaE = edep;
+ fCurrentPdg = pdg; // mc->IdFromPDG(pdg);
+ }
+ // If the track is inside, then update the energy deposition
+ if (inside && fCurrentDeltaE >= 0) {
+ fCurrentDeltaE += edep;
+ AliFMDDebug(15, ("Track # %8d inside active FMD volume %s: Edep=%f, "
+ "Accumulated Edep=%f (%f,%f,%f)", trackno,
+ mc->CurrentVolPath(), edep, fCurrentDeltaE,
+ v.X(), v.Y(), v.Z()));
+ }
+ // The track exits the volume, or it disappeared in the volume, or
+ // the track is stopped because it no longer fulfills the cuts
+ // defined, then we create a hit.
+ if (out) {
+ if (fCurrentDeltaE >= 0) {
+ fCurrentDeltaE += edep;
+ AliFMDDebug(15, ("Track # %8d exiting active FMD volume %s: Edep=%g, "
+ "Accumulated Edep=%g (%f,%f,%f)", trackno,
+ mc->CurrentVolPath(), edep, fCurrentDeltaE,
+ v.X(), v.Y(), v.Z()));
+ TVector3 cur(v.Vect());
+ cur -= fCurrentV.Vect();
+ Double_t len = cur.Mag();
+ AliFMDHit* h =
+ AddHitByFields(trackno, detector, ring, sector, strip,
+ fCurrentV.X(), fCurrentV.Y(), fCurrentV.Z(),
+ fCurrentP.X(), fCurrentP.Y(), fCurrentP.Z(),
+ fCurrentDeltaE, fCurrentPdg, fCurrentV.T(),
+ len, mc->IsTrackDisappeared()||mc->IsTrackStop());
+ // Add a copy
+ if (isBad && fBad) {
+ new ((*fBad)[fBad->GetEntries()]) AliFMDHit(*h);
+ }
+ // Check the geometry that we can get back the coordinates.
+#ifdef CHECK_TRANS
+ Double_t x, y, z;
+ fmd->Detector2XYZ(detector, ring, sector, strip, x, y ,z);
+ AliFMDDebug(1, ("Hit at (%f,%f,%f), geometry says (%f,%f,%f)",
+ fCurrentV.X(), fCurrentV.Y(), fCurrentV.Z(), x, y, z));
+#endif
+ }
+ fCurrentDeltaE = -1;
+ }
+}
+//___________________________________________________________________
+//
+// EOF
+//
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff