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yangyong |
1.1 |
int convertIetaIphiToSMNumber(int ieta, int iphi){
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if( ! (abs(ieta)>=1 && abs(ieta)<=85 && iphi>=1 && iphi<=360)) {
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cout<<" convertSMNumber " << ieta <<" "<<iphi<<endl;
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exit(1);
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}
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int ism = (iphi-1)/20+1;
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if( ieta<0) ism += 18;
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return ism;
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}
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| 13 |
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| 14 |
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//information on the crystal's x/y/z needed to compute cluster position X/Y/Z after
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//each inter-calibration step.
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void get_xyzEBrechits(){
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TChain *ch = new TChain("Analysis");
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ch->Add("/uscms_data/d2/yongy/tmp1/CMSSW_5_2_4/src/Pi0Calibration/Common/xyzECAL.root");
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ch->SetBranchAddress("xEBAll",xEBAll);
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ch->SetBranchAddress("yEBAll",yEBAll);
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ch->SetBranchAddress("zEBAll",zEBAll);
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ch->SetBranchAddress("etaEBAll",etaEBAll);
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ch->SetBranchAddress("phiEBAll",phiEBAll);
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ch->SetBranchAddress("dxEBAll",dxEBAll);
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ch->SetBranchAddress("dyEBAll",dyEBAll);
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ch->SetBranchAddress("dzEBAll",dzEBAll);
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ch->SetBranchAddress("xEEAll",xEEAll);
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ch->SetBranchAddress("yEEAll",yEEAll);
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ch->SetBranchAddress("zEEAll",zEEAll);
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ch->SetBranchAddress("dxEEAll",dxEEAll);
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ch->SetBranchAddress("dyEEAll",dyEEAll);
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ch->SetBranchAddress("dzEEAll",dzEEAll);
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ch->SetBranchAddress("etaEEAll",etaEEAll);
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ch->SetBranchAddress("phiEEAll",phiEEAll);
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ch->GetEntry(0);
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ch->Delete();
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cout<<"got xyzEcal.."<<endl;
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}
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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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///to access xEBAll[ieta][iphi]
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/// input ieta -85,0,84
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int getIndetaxyzEBAll(int ieta){
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return ieta+85;
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}
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////something not consistent with 167,152?
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///input 0, 359 after convxtalid
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int getIndphixyzEBAll(int iphi){
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iphi = iphi-1;
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if(iphi<0) return 359;
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else return iphi;
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}
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double DeltaPhi(double phi1, double phi2){
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double diff = fabs(phi2 - phi1);
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| 144 |
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while (diff >acos(-1)) diff -= 2*acos(-1);
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while (diff <= -acos(-1)) diff += 2*acos(-1);
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return diff;
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}
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double GetDeltaR(double eta1, double eta2, double phi1, double phi2){
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return sqrt( (eta1-eta2)*(eta1-eta2)
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+ DeltaPhi(phi1, phi2)*DeltaPhi(phi1, phi2) );
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}
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Float_t getcosd(Float_t eta1, Float_t phi1, Float_t eta2, Float_t phi2) {
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Float_t theta1 = 2*atan(exp(-eta1));
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Float_t theta2 = 2*atan(exp(-eta2));
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Float_t cosd;
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Float_t dphi = DeltaPhi(phi1,phi2);
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cosd = cos(theta1)*cos(theta2)+sin(theta1)*sin(theta2)*cos(dphi); //opening angle
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return cosd;
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}
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void separation(Float_t sceta1, Float_t scphi1, Float_t sceta2, Float_t scphi2, Float_t &dr)
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{
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float dphi=fabs(scphi1-scphi2);
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if(dphi > (2*acos(-1)-fabs(scphi1-scphi2))) dphi = ( 2*acos(-1)-fabs(scphi1-scphi2));
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dr=sqrt((sceta1- sceta2)*(sceta1- sceta2)+dphi*dphi);
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}
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void phinorm(Float_t & PHI)
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{
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while (PHI<0) PHI= PHI + 2*acos(-1);
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if(PHI>2*acos(-1)) PHI= PHI - 2*acos(-1);
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}
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////change to [-pi,pi];
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float phinorm2(float phi){
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while( phi > acos(-1) ) phi -= 2*acos(-1);
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while(phi< -acos(-1)) phi += 2*acos(-1);
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return phi;
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}
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void convertindTTindCrystal(int ietaT,int iphiT, int &ieta, int &iphi){
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if( iphiT >= 71) iphi = (iphiT-71)*5+3;
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else if( iphiT >=1 && iphiT <=70){
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iphi = (iphiT+1)*5+3;
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}else{
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cout<<"fatal error ..iphiT "<<iphiT<<endl;
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exit(1);
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}
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ieta = abs(ietaT)*5-2;
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if(ietaT<0) ieta *= -1;
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if( ieta >85 || ieta <-85 || ieta ==0){
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cout<<"convertindTTindCrystal... "<<ieta<<" "<<ietaT<<endl;
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exit(1);
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}
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if( iphi <0 || iphi >360){
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cout<<"convertindTTindCrystal... "<<iphi<<" "<<iphiT<<endl;
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exit(1);
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}
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}
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