+Int_t AliITSsegmentationSSD::GetChipsInLocalWindow(Int_t* array, Float_t zmin, Float_t zmax,
+ Float_t xmin, Float_t xmax) const {
+
+ Int_t nChipInW = 0;
+
+ Float_t zminDet=-fDz*1.0E-04/2.;
+ Float_t zmaxDet=fDz*1.0E-04/2.;
+ if(zmin<zminDet) zmin=zminDet;
+ if(zmax>zmaxDet) zmax=zmaxDet;
+
+ Float_t xminDet=-fDx*1.0E-04/2;
+ Float_t xmaxDet=fDx*1.0E-04/2;
+ if(xmin<xminDet) xmin=xminDet;
+ if(xmax>xmaxDet) xmax=xmaxDet;
+
+ Int_t n1N=-1;
+ Int_t n1P=-1;
+ Int_t n1=GetChipFromLocal(xmin,zmin);
+ if(n1!=-1) { // Note! Recpoint can be on the sensor but in the dead area not covered by strips!
+ n1N = (Int_t) (n1/10); // N-side chip coded as 10*chip_index
+ n1P = n1 - 10 * n1N; // P-side chip coded 0-5
+ array[nChipInW]=n1P;
+ nChipInW++;
+ array[nChipInW]=n1N;
+ nChipInW++;
+ }
+
+ Int_t n2N=-1;
+ Int_t n2P=-1;
+ Int_t n2=GetChipFromLocal(xmin,zmax);
+ if(n2!=-1) { // Note! Recpoint can be on the sensor but in the dead area not covered by strips!
+ n2N = (Int_t) (n2/10); // N-side chip coded as 10*chip_index
+ n2P = n2 - 10 * n2N; // P-side chip coded 0-5
+ if(n2P!=n1P) { array[nChipInW]=n2P; nChipInW++;}
+ if(n2N!=n1N) { array[nChipInW]=n2N; nChipInW++;}
+ }
+
+ Int_t n3N=-1;
+ Int_t n3P=-1;
+ Int_t n3=GetChipFromLocal(xmax,zmin);
+ if(n3!=-1) {
+ n3N=(Int_t) (n3/10); // N-side chip coded as 10*chip_index
+ n3P=n3 - 10 * n3N; // P-side chip coded 0-5
+ if((n3P!=n1P)&&(n3P!=n2P)) { array[nChipInW]=n3P; nChipInW++;}
+ if((n3N!=n1N)&&(n3N!=n2N)) { array[nChipInW]=n3N; nChipInW++;}
+ }
+
+ Int_t n4N=-1;
+ Int_t n4P=-1;
+ Int_t n4=GetChipFromLocal(xmax,zmax);
+ if(n4!=-1) {
+ n4N=(Int_t) (n4/10); // N-side chip coded as 10*chip_index
+ n4P=n4 - 10 * n4N; // P-side chip coded 0-5
+ if((n4P!=n1P)&&(n4P!=n2P)&&(n4P!=n3P)) { array[nChipInW]=n4P; nChipInW++;}
+ if((n4N!=n1N)&&(n4N!=n2N)&&(n4N!=n3N)) { array[nChipInW]=n4N; nChipInW++;}
+ }
+
+ return nChipInW;
+
+}
+