Zlist[7]=iZ-1;
}
//______________________________________________________________________
-void AliITSsegmentationSPD::LocalToDet(Float_t x,Float_t z,Int_t &ix,Int_t &iz) const {
-// Transformation from Geant detector centered local coordinates (cm) to
-// Pixel cell numbers ix and iz.
-// Input:
-// Float_t x detector local coordinate x in cm with respect to the
-// center of the sensitive volume.
-// Float_t z detector local coordinate z in cm with respect to the
-// center of the sensitive volulme.
-// Output:
-// Int_t ix detector x cell coordinate. Has the range 0<=ix<fNpx.
-// Int_t iz detector z cell coordinate. Has the range 0<=iz<fNpz.
-// A value of -1 for ix or iz indecates that this point is outside of the
-// detector segmentation as defined.
+Bool_t AliITSsegmentationSPD::LocalToDet(Float_t x,Float_t z,
+ Int_t &ix,Int_t &iz) const {
+ // Transformation from Geant detector centered local coordinates (cm) to
+ // Pixel cell numbers ix and iz.
+ // Input:
+ // Float_t x detector local coordinate x in cm with respect to
+ // the center of the sensitive volume.
+ // Float_t z detector local coordinate z in cm with respect to
+ // the center of the sensitive volulme.
+ // Output:
+ // Int_t ix detector x cell coordinate. Has the range
+ // 0<=ix<fNpx.
+ // Int_t iz detector z cell coordinate. Has the range
+ // 0<=iz<fNpz.
+ // Return:
+ // kTRUE if point x,z is inside sensitive volume, kFALSE otherwise.
+ // A value of -1 for ix or iz indecates that this point is outside of the
+ // detector segmentation as defined.
Int_t i,j;
Float_t dx,dz;
const Float_t kconv = 1.0E-04; // converts microns to cm.
dz = -0.5*kconv*Dz();
ix = -1;
iz = -1;
- if(x<dx) return; // outside x range.
- if(z<dz) return; // outside z range.
+ if(x<dx) return kFALSE; // outside x range.
+ if(z<dz) return kFALSE; // outside z range.
for(i=0;i<Npx();i++){
dx += kconv*fCellSizeX[i];
if(x<dx) break;
} // end for i
- if(i>=Npx()) return; // outside x range.
+ if(i>=Npx()) return kFALSE; // outside x range.
for(j=0;j<Npz();j++){
dz += kconv*fCellSizeZ[j];
if(z<dz) break;
} // end for j
- if(j>=Npz()) return; // outside z range.
+ if(j>=Npz()) return kFALSE; // outside z range.
ix = i;
iz = j;
- return; // Found ix and iz, return.
+ return kTRUE; // Found ix and iz, return.
}
//______________________________________________________________________
void AliITSsegmentationSPD::DetToLocal(Int_t ix,Int_t iz,Float_t &x,Float_t &z) const