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/////////////////////////////////////////////////////////////////////////////////////////////////
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void convxtalid(Int_t &nphi,Int_t &neta)
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{
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// Changed to what Yong's convention; output will give just two indices
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// phi is unchanged; only eta now runs from
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//
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// 03/01/2008 changed to the new definition in CMSSW. The output is still the same...
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// Barrel only
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// Output nphi 0...359; neta 0...84; nside=+1 (for eta>0), or 0 (for eta<0).
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// neta will be [-85,-1] , or [0,84], the minus sign indicates the z<0 side.
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if(neta > 0) neta -= 1;
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if(nphi > 359) nphi=nphi-360;
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// final check
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if(nphi >359 || nphi <0 || neta< -85 || neta > 84)
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{
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cout <<" output not in range: "<< nphi << " " << neta << " " <<endl;
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exit(1);
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}
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} //end of convxtalid
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// Calculate the distance in xtals taking into account possibly different sides
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// change to coincide with yongs definition
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Int_t diff_neta(Int_t neta1, Int_t neta2){
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Int_t mdiff;
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mdiff=abs(neta1-neta2);
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return mdiff;
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}
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// Calculate the absolute distance in xtals taking into account the periodicity of the Barrel
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Int_t diff_nphi(Int_t nphi1,Int_t nphi2) {
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Int_t mdiff;
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mdiff=abs(nphi1-nphi2);
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if (mdiff > (360-abs(nphi1-nphi2))) mdiff=(360-abs(nphi1-nphi2));
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return mdiff;
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}
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// Calculate the distance in xtals taking into account possibly different sides
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// Then the distance would be from the 1st to the 2nd argument
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// _s means that it gives the sign; the only difference from the above !
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// also changed to coincide with Yong's definition
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Int_t diff_neta_s(Int_t neta1, Int_t neta2){
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Int_t mdiff;
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mdiff=(neta1-neta2);
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return mdiff;
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}
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// Calculate the distance in xtals taking into account the periodicity of the Barrel
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Int_t diff_nphi_s(Int_t nphi1,Int_t nphi2) {
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Int_t mdiff;
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if(abs(nphi1-nphi2) < (360-abs(nphi1-nphi2))) {
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mdiff=nphi1-nphi2;
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}
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else {
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mdiff=360-abs(nphi1-nphi2);
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if(nphi1>nphi2) mdiff=-mdiff;
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}
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return mdiff;
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}
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void sortPtvector(vector<float> pt, vector<int> &ind){
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ind.clear();
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int n = int( pt.size());
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vector<float> pt0;
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for(int j=0; j< n ; j++){
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pt0.push_back(pt[j]);
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}
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sort(pt.begin(),pt.end());
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for(int j = n -1; j>=0; j--){
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float dptmin = 0.1;
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int jmin = -1;
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for(int k=0; k< n; k++){
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float dpt = fabs( pt[j] - pt0[k]);
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vector<int>::iterator it = find( ind.begin(),ind.end(),k);
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if( it != ind.end()) continue;
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if( dpt < dptmin){
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dptmin = dpt;
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jmin = k;
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}
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}
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ind.push_back(jmin);
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}
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if(int(ind.size()) != n){
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cout<<"erorr_sortPtvector.."<<endl;
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exit(1);
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}
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}
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float calculateS4(int nn, float en[],int ieta[], int iphi[]){
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///shower-shape
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Float_t S4_0 =0.; Float_t S4_1 =0.;
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Float_t S4_2 =0.; Float_t S4_3 =0.;
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for(int n=0; n< nn; n++){
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float energy = en[n];
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int deta = diff_neta_s(ieta[0],ieta[n]);
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int dphi = diff_nphi_s(iphi[0],iphi[n]);
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if( abs(deta) <=1 && abs(dphi) <= 1){
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if( dphi <= 0 && deta <= 0) S4_0+=energy;
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if( dphi >= 0 && deta <= 0) S4_1+=energy;
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if( dphi <= 0 && deta >= 0) S4_2+=energy;
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if( dphi >= 0 && deta >= 0) S4_3+=energy;
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}
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}
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Float_t S4max=S4_0;
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if(S4_1 > S4max) S4max=S4_1;
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if(S4_2 > S4max) S4max=S4_2;
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if(S4_3 > S4max) S4max=S4_3;
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return S4max;
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}
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void calculateS4_v1(int nn, float en[],int ieta[], int iphi[],float res[]){
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///shower-shape
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Float_t S4_0 =0.; Float_t S4_1 =0.;
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Float_t S4_2 =0.; Float_t S4_3 =0.;
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float S9 = 0;
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for(int n=0; n< nn; n++){
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float energy = en[n];
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int deta = diff_neta_s(ieta[0],ieta[n]);
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int dphi = diff_nphi_s(iphi[0],iphi[n]);
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if( abs(deta) <=1 && abs(dphi) <= 1){
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S9 += energy;
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if( dphi <= 0 && deta <= 0) S4_0+=energy;
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if( dphi >= 0 && deta <= 0) S4_1+=energy;
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if( dphi <= 0 && deta >= 0) S4_2+=energy;
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if( dphi >= 0 && deta >= 0) S4_3+=energy;
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}
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}
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Float_t S4max=S4_0;
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if(S4_1 > S4max) S4max=S4_1;
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if(S4_2 > S4max) S4max=S4_2;
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if(S4_3 > S4max) S4max=S4_3;
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//// return S4max;
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res[0] = S4max;
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res[1] = S9;
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}
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///input ieta iphi originall
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void calculateS4_v2(int nn, float en[],int ieta[], int iphi[],float res[]){
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///shower-shape
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Float_t S4_0 =0.; Float_t S4_1 =0.;
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Float_t S4_2 =0.; Float_t S4_3 =0.;
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float S9 = 0;
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int ieta_seed = ieta[0];
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int iphi_seed = iphi[0];
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convxtalid(iphi_seed,ieta_seed);
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for(int n=0; n< nn; n++){
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float energy = en[n];
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int eta = ieta[n];
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int phi = iphi[n];
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convxtalid(phi,eta);
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int deta = diff_neta_s(ieta_seed,eta);
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int dphi = diff_nphi_s(iphi_seed,phi);
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if( abs(deta) <=1 && abs(dphi) <= 1){
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S9 += energy;
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if( dphi <= 0 && deta <= 0) S4_0+=energy;
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if( dphi >= 0 && deta <= 0) S4_1+=energy;
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if( dphi <= 0 && deta >= 0) S4_2+=energy;
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if( dphi >= 0 && deta >= 0) S4_3+=energy;
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}
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}
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Float_t S4max=S4_0;
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if(S4_1 > S4max) S4max=S4_1;
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if(S4_2 > S4max) S4max=S4_2;
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if(S4_3 > S4max) S4max=S4_3;
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//// return S4max;
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res[0] = S4max;
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res[1] = S9;
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}
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