Commit of new FMD3 geometry and other geometry related issues.

[u/mrichter/AliRoot.git] / FMD / AliFMD1.cxx

diff --git a/FMD/AliFMD1.cxx b/FMD/AliFMD1.cxx
index 8e1e634d85b5eeb43ff486f814cef0d42a72147c..1cd9bdf566907a9bcf116d780971df8ad39e38e8 100644 (file)
--- a/FMD/AliFMD1.cxx
+++ b/FMD/AliFMD1.cxx
@@ -12,80 +12,40 @@
  * about the suitability of this software for any purpose. It is          *
  * provided "as is" without express or implied warranty.                  *
  **************************************************************************/
-
 /* $Id$ */
-
-//////////////////////////////////////////////////////////////////////////////
+/** @file    AliFMD1.cxx
+    @author  Christian Holm Christensen <cholm@nbi.dk>
+    @date    Sun Mar 26 18:00:23 2006
+    @brief   Implementation of FMD1 parameters 
+*/
+//____________________________________________________________________
 //                                                                          
-// Concrete implementation of AliFMDSubDetector 
+// Concrete implementation of AliFMDDetector 
 //
-// This implements the geometry for FMD1 
+// This implements the geometry for FMD1.  
+// FMD1 has only one ring, of type `inner'.  
+// It is sitting at z=320.
+// It is the FMD ring with highest eta.  
+// FMD1 currently has no support defined. 
 //
-//////////////////////////////////////////////////////////////////////////////
-#ifndef ALIFMD1_H
-# include "AliFMD1.h"
-#endif 
-#ifndef ALIFMDRING_H
-# include "AliFMDRing.h"
-#endif 
-#ifndef ROOT_TVirtualMC
-# include <TVirtualMC.h>
-#endif
-#ifndef ALILOG_H
-# include "AliLog.h"
-#endif
+#include "AliFMD1.h"           // ALIFMD1_H 
+// #include "AliFMDRing.h"             // ALIFMDRING_H 
 
 
-//____________________________________________________________________
-ClassImp(AliFMD1);
-
-//____________________________________________________________________
-AliFMD1::AliFMD1() 
-  : AliFMDSubDetector(1) 
-{}
-
-//____________________________________________________________________
-AliFMD1::~AliFMD1() 
-{}
-
-//____________________________________________________________________
-void 
-AliFMD1::SetupGeometry(Int_t airId, Int_t kaptionId) 
-{
-  fInnerHoneyLowR  = fInner->GetLowR() + 1;
-  fInnerHoneyHighR = fInner->GetHighR() + 1;
-  fOuterHoneyLowR  = 0;
-  fOuterHoneyHighR = 0;
-
-  Double_t par[3];
-  par[0] = fInner->GetLowR();
-  par[1] = fInnerHoneyHighR;
-  par[2] = fDz = (fInner->GetLegLength() 
-                 + fInner->GetSiThickness() 
-                 + fInner->GetPrintboardThickness() 
-                 + fInner->GetModuleSpacing() 
-                 + fHoneycombThickness) / 2;
-  fVolumeId = gMC->Gsvolu("FMD1", "TUBE", airId, par, 3);
-
-  // Rotate the full sub-detector 
-  gMC->Matrix(fRotationId, 270, 180, 90, 90, 180, 0); 
-
-  AliFMDSubDetector::SetupGeometry(airId, kaptionId);
-}
+//====================================================================
+ClassImp(AliFMD1)
+#if 0
+  ; // This is to keep Emacs from indenting the next line 
+#endif 
 
 //____________________________________________________________________
-void 
-AliFMD1::Geometry(const char* mother, Int_t pbRotId, 
-                 Int_t idRotId, Double_t z) 
+AliFMD1::AliFMD1(AliFMDRing* inner) 
+  : AliFMDDetector(1, inner, 0)
 {
-  // The Z passed in isn't used. 
-  z = fInnerZ + fDz;
-  gMC->Gspos("FMD1", 1, mother, 0, 0, z, fRotationId);
-
-  AliFMDSubDetector::Geometry("FMD1", pbRotId, idRotId, z);
+  // Subtracting 0.25 cm puts the middle plane of the detector at 320 cm
+  SetInnerZ(320. - 0.25);
 }
 
-  
 
 //____________________________________________________________________
 //