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/** |
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* \file src/CaloLevel1.cpp |
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* \author Emiliano Mocchiutti |
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* |
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**/ |
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#include <TObject.h> |
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#include <TMath.h> |
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#include <CaloLevel1.h> |
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// |
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ClassImp(CaloStrip); |
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ClassImp(CaloLevel1); |
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|
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/** |
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* CaloStrip default constructor |
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**/ |
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CaloStrip::CaloStrip() { |
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c1 = 0; |
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this->Clear(); |
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}; |
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|
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/** |
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* CaloStrip default constructor |
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**/ |
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CaloStrip::CaloStrip(CaloLevel1 *calo) { |
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c1 = calo->GetCaloLevel1(); |
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this->Clear(); |
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}; |
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|
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/** |
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* Clear variables |
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**/ |
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void CaloStrip::Clear() { |
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fE = 0.; |
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fX = 0.; |
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fY = 0.; |
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fZ = 0.; |
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fView = 0; |
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fPlane = 0; |
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fStrip = 0; |
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}; |
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|
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/** |
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* Given a strip returns its position in the PAMELA reference system |
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**/ |
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void CaloStrip::Set(Int_t view, Int_t plane, Int_t strip) { |
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// |
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this->Clear(); |
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// |
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if ( view < 0 || view > 1 ){ |
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printf(" ERROR: 0 =< view =< 1 \n"); |
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return; |
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}; |
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if ( plane < 0 || plane > 21 ){ |
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printf(" ERROR: 0 =< plane =< 21 \n"); |
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return; |
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}; |
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if ( strip < 0 || strip > 95 ){ |
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printf(" ERROR: 0 =< strip =< 95 \n"); |
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return; |
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}; |
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// |
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Float_t lShift = 0.; |
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Float_t lPos = 0.; |
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extern struct shift shift_; |
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// |
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// Find MIPs for that strip |
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// |
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if ( c1 ) fE = c1->GetEstrip(view, plane, strip); |
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// |
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fView = view + 1; |
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fPlane = plane + 1; |
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fStrip = strip + 1; |
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if ( fPlane%2 ){ |
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lShift = -0.5; |
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} else { |
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lShift = 0.5; |
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}; |
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// |
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shift_.shift = lShift; |
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// |
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Float_t zplane[22]; |
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zplane[0] = 0.; |
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Int_t ii = 0; |
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for ( Int_t i = 2; i < 23; i++){ |
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ii = i-1; |
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if ( i%2 ){ |
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zplane[ii] = zplane[ii-1] - 10.09; |
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} else { |
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zplane[ii] = zplane[ii-1] - 8.09; |
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}; |
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}; |
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// |
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millim_(&fStrip,&lPos); |
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// |
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if ( fView == 1 ){ |
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// |
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// X view |
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// |
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fX = (lPos - CTX)/10.; |
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fY = 0.; |
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fZ = (zplane[fPlane-1] - 5.81 + CTZ)/10.; |
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} else { |
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// |
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// Y view |
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// |
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fX = 0; |
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fY = (lPos - CTY)/10.; |
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fZ = (zplane[fPlane-1] + CTZ)/10.; |
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}; |
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// |
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}; |
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|
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/** |
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* Given a point in the space (PAMELA ref system) returns the closest strip |
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**/ |
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void CaloStrip::Set(Float_t X, Float_t Y, Float_t Z) { |
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// |
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fX = X; |
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fY = Y; |
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fZ = Z; |
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// |
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Float_t zplane[22]; |
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zplane[0] = 0.; |
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Int_t ii = 0; |
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for ( Int_t i = 2; i < 23; i++){ |
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ii = i-1; |
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if ( i%2 ){ |
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zplane[ii] = zplane[ii-1] - 10.09; |
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} else { |
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zplane[ii] = zplane[ii-1] - 8.09; |
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}; |
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}; |
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// |
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Float_t dzx[22]; |
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Float_t dzy[22]; |
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for ( Int_t i=0; i < 22; i++){ |
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dzx[i] = fabs(fZ*10. - (zplane[i] - 5.81 + CTZ)); |
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dzy[i] = fabs(fZ*10. - (zplane[i] + CTZ)); |
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}; |
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// |
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Float_t minx = TMath::MinElement(22,dzx); |
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Float_t miny = TMath::MinElement(22,dzy); |
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// |
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// find view |
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// |
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if ( minx < miny ){ |
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fView = 1; |
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} else { |
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fView = 2; |
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}; |
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// |
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// find plane |
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// |
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Float_t pos = 0.; |
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// |
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for ( Int_t i=0; i < 22; i++){ |
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if ( fView == 1 ){ |
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if ( dzx[i] == minx ){ |
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fPlane = i+1; |
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pos = fX*10. + CTX; |
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}; |
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} else { |
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if ( dzy[i] == miny ){ |
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fPlane = i+1; |
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pos = fY*10. + CTY; |
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}; |
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}; |
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}; |
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// |
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// find strip |
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// |
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Float_t dxy[96]; |
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Float_t stpos = 0.; |
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// |
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CaloStrip *ca = new CaloStrip(); |
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// |
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for ( Int_t i=0; i < 96; i++){ |
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ca->Set(fView-1,fPlane-1,i); |
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if ( fView == 1 ){ |
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stpos = ca->GetX()*10. + CTX; |
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} else { |
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stpos = ca->GetY()*10. + CTY; |
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}; |
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dxy[i] = fabs(pos - stpos); |
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}; |
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// |
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delete ca; |
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// |
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Float_t mins = TMath::MinElement(96,dxy); |
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// |
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for ( Int_t i=0; i < 96; i++){ |
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if ( dxy[i] == mins ) fStrip = i+1; |
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}; |
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}; |
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|
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/** |
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* CaloLevel1 constructor |
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**/ |
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CaloLevel1::CaloLevel1() { |
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// |
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estrip = TArrayI(0,NULL); |
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// |
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this->Clear(); |
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// |
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}; |
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|
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/** |
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* Clear the CaloLevel1 object |
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**/ |
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void CaloLevel1::Clear() { |
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// |
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istrip = 0; |
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estrip.Reset(); |
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// |
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}; |
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|
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/** |
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* Returns the detected energy for the given strip once loaded the event |
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**/ |
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Float_t CaloLevel1::GetEstrip(Int_t sview, Int_t splane, Int_t sstrip){ |
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Int_t view = -1; |
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Int_t plane = -1; |
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Int_t strip = -1; |
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Float_t mip = 0.; |
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// |
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if ( istrip == 0 ) return(0.); |
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// |
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for (Int_t i = 0; i<istrip; i++ ){ |
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// |
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mip = DecodeEstrip(i,view,plane,strip); |
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// |
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if ( view == sview && splane == plane && sstrip == strip ) return(mip); |
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// |
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// entry are ordered by strip, plane and view number. Go out if you pass the input strip |
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// |
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if ( view == sview && plane == splane && strip > sstrip ) return(0.); |
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if ( view == sview && plane > splane ) return(0.); |
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if ( view > sview ) return(0.); |
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// |
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}; |
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return(0.); |
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}; |
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|
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/** |
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* Given estrip entry returns energy plus view, plane and strip numbers |
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**/ |
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Float_t CaloLevel1::DecodeEstrip(Int_t entry, Int_t &view, Int_t &plane, Int_t &strip){ |
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// |
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if ( entry>istrip ) return(0.); |
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// |
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// printf(" num lim %f \n",std::numeric_limits<Float_t>::max()); |
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// printf(" estrip.At(%i) = %i \n",entry,estrip.At(entry)); |
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// |
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Int_t eval = 0; |
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if ( estrip.At(entry) > 0. ){ |
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view = 0; |
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eval = estrip.At(entry); |
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} else { |
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view = 1; |
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eval = -estrip.At(entry); |
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}; |
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// |
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Int_t fbi = 0; |
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fbi = (Int_t)truncf((Float_t)(eval/1000000000)); |
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// |
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Int_t plom = 0; |
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plom = (Int_t)truncf((Float_t)((eval-fbi*1000000000)/10000000)); |
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// |
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Float_t tim = 100000.; |
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plane = plom; |
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if ( fbi == 1 ) tim = 10000.; |
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if ( plom > 21 ){ |
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plane = plom - 22; |
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if ( fbi == 1 ){ |
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tim = 1000.; |
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} else { |
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tim = 100.; |
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}; |
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}; |
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if ( plom > 43 ){ |
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plane = plom - 44; |
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tim = 10.; |
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}; |
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if ( plom > 65 ){ |
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plane = plom - 66; |
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tim = 1.; |
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}; |
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// |
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strip = (Int_t)truncf((Float_t)((eval - fbi*1000000000 -plom*10000000)/100000)); |
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// |
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Float_t mip = ((Float_t)(eval - fbi*1000000000 -plom*10000000 -strip*100000))/tim; |
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// |
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if ( mip > 0. && mip < 99999. ) return(mip); |
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// |
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printf(" WARNING: problems decoding value %i at entry %i \n",estrip.At(entry),entry); |
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// |
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view = -1; |
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plane = -1; |
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strip = -1; |
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return(0.); |
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} |
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