Minor corrections needed on alpha

[u/mrichter/AliRoot.git] / TRD / AliTRDconst.h

diff --git a/TRD/AliTRDconst.h b/TRD/AliTRDconst.h
index 8f92026b3af42d950329254fb026bcfed29b2f97..8b5edd872d323ab1afde01dc5eb35f65bea28cef 100644 (file)
--- a/TRD/AliTRDconst.h
+++ b/TRD/AliTRDconst.h
@@ -1,12 +1,18 @@
+#ifndef ALITRDCONST_H
+#define ALITRDCONST_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice                               */
+
+/* $Id$ */
+
 //
-// Parameter for the TRD
+// Geometry parameter for the TRD
 //
 
-//_____________________________________________________________________________
-//  Geometry parameter
-
 const Int_t   kNsect   = 18;      // Number of sectors in the full detector
 const Int_t   kNplan   = 6;       // Number of planes of the TRD
+const Int_t   kNcham   = 5;       // Number of chambers in z-direction
+const Int_t   kNdet    = kNsect * kNplan * kNcham;
 
 const Float_t kRmin    = 294.0;   // r-dimensions of the TRD
 const Float_t kRmax    = 368.0;
@@ -14,10 +20,12 @@ const Float_t kRmax    = 368.0;
 const Float_t kZmax1   = 378.35;  // z-dimensions of the TRD
 const Float_t kZmax2   = 302.0;
 
-const Float_t kSheight =  74.0;   // Height of the TRD-volume in spaceframe
-const Float_t kSwidth1 = 103.674; // Lower width of the TRD-volume in spaceframe
-const Float_t kSwidth2 = 129.768; // Upper width of the TRD-volume in spaceframe
-const Float_t kSlength = 751.0;   // Length of the TRD-volume in spaceframe
+const Float_t kSheight =  74.0;   // Height of the TRD-volume in spaceframe (BTR1-3)
+const Float_t kSwidth1 =  99.613; // Lower width of the TRD-volume in spaceframe (BTR1-3)
+const Float_t kSwidth2 = 125.707; // Upper width of the TRD-volume in spaceframe (BTR1-3)
+const Float_t kSlenTR1 = 751.0;   // Length of the TRD-volume in spaceframe (BTR1)
+const Float_t kSlenTR2 = 313.5;   // Length of the TRD-volume in spaceframe (BTR2)
+const Float_t kSlenTR3 = 159.5;   // Length of the TRD-volume in spaceframe (BTR3)
 
 const Float_t kCheight =  11.0;   // Height of the chambers
 const Float_t kCspace  =   1.6;   // Vertical spacing of the chambers
@@ -58,3 +66,5 @@ const Float_t kCoZpos  =  1.3175;             // PE of the cooling device
 const Float_t kWaZpos  =  1.3325;             // Cooling Water
 
 //_____________________________________________________________________________
+#endif
+