set reco param on an event by event basis

[u/mrichter/AliRoot.git] / ITS / AliITSsegmentationSPD.cxx

diff --git a/ITS/AliITSsegmentationSPD.cxx b/ITS/AliITSsegmentationSPD.cxx
index 34ea73681134fc99350d1eeecac30d6eca479660..b78ce1225161bf27d8b836ae7219e9df56d2923d 100644 (file)
--- a/ITS/AliITSsegmentationSPD.cxx
+++ b/ITS/AliITSsegmentationSPD.cxx
@@ -74,10 +74,9 @@ Float_t AliITSsegmentationSPD::ZFromCol300(Int_t col) const {
   return z;
 }
 //_____________________________________________________________________________
-Float_t AliITSsegmentationSPD::ZpitchFromCol300(Int_t col) const {
+Float_t AliITSsegmentationSPD::Zpitch300() const {
   // returns Z pixel pitch for 300 micron pixels.
 
-    col = 0; // done to remove unused variable warning.
     return 300.0;
 }
 //_____________________________________________________________________________
@@ -95,10 +94,10 @@ Float_t AliITSsegmentationSPD::ColFromZ(Float_t z) const {
     } // end if outsize of detector
     s = 0.0;
     i = -1;
-    while(z>s){
-       i++;
-       s += fCellSizeZ[i];
-    } // end while
+    do {
+      i++;
+      s += fCellSizeZ[i];
+    } while(z>s);
     s -= fCellSizeZ[i];
     col = (Float_t) i + (z-s)/fCellSizeZ[i];
     return col;
@@ -235,6 +234,8 @@ AliITSsegmentationSPD::AliITSsegmentationSPD(const AliITSsegmentationSPD &source
     AliITSsegmentation(source),
 fNpx(0),
 fNpz(0){
+  for(Int_t i=0; i<256; i++)fCellSizeX[i]=0.;
+  for(Int_t i=0; i<280; i++)fCellSizeZ[i]=0.;
   // copy constructor
   source.Copy(*this);
 }
@@ -260,7 +261,7 @@ void AliITSsegmentationSPD::Init300(){
     fNpx = 256; // The number of X pixel Cell same as in fCellSizeX array size
     fNpz = 279; // The number of Z pixel Cell same as in fCellSizeZ array size
     for(i=0;i<fNpx;i++) fCellSizeX[i] = 50.0; // microns all the same
-    for(i=0;i<280;i++) fCellSizeZ[i] = ZpitchFromCol300(i); // microns
+    for(i=0;i<280;i++) fCellSizeZ[i] = Zpitch300(); // microns
 //    for(i=fNpz;i<280;i++) fCellSizeZ[i] = 0.0; // zero out rest of array
     fDx = 0;
     for(i=0;i<fNpx;i++) fDx += fCellSizeX[i];