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formato |
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#ifndef PAMVMCPRIMARYGF |
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#define PAMVMCPRIMARYGF |
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#include <vector> |
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//#include <TObjectTable.h> |
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#include "TObject.h" |
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#include "TrkParams.h" |
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#include "TMath.h" |
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#define ZOFFSET 49.229 |
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using TMath::Min; |
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struct PamVMCPlCross |
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{ |
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Double_t fX, fY; |
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Int_t fplID; |
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PamVMCPlCross(Double_t x,Double_t y, Int_t id):fX(x), fY(y), fplID(id){ }; |
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virtual ~PamVMCPlCross(){; }; |
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}; |
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typedef vector<PamVMCPlCross*> Plcrvec; |
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//variable NGF is defined in TrkParams.h |
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class PamVMCPrimaryGF : public TObject |
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{ |
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Plcrvec vec; |
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Double_t fXtol, fYtol; |
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Bool_t fisinside; |
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Int_t PlCross(Double_t z_prev, Double_t z_curr){ |
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for(Int_t i = 0; i<NGF; i++){ |
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if( ( (z_prev>=TrkParams::zGF[i] + ZOFFSET ) && (z_curr<=TrkParams::zGF[i] + ZOFFSET ) ) || ( (z_prev<=TrkParams::zGF[i] + ZOFFSET ) && (z_curr>=TrkParams::zGF[i] + ZOFFSET ) ) ) { |
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return i; |
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} |
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} |
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return -1; |
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} |
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Bool_t IsInside(Int_t id, Double_t z_prev, Double_t x_prev, Double_t y_prev, Double_t z_curr, Double_t x_curr, Double_t y_curr, Double_t* xc, Double_t* yc){ |
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if (z_prev==z_curr){ |
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*xc = x_curr; |
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*yc = y_curr; |
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if( (TrkParams::xGF_min[id]<=x_curr) && (TrkParams::xGF_max[id]>=x_curr) && |
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(TrkParams::yGF_min[id]<=y_curr) && (TrkParams::yGF_max[id]>=y_curr) ) return kTRUE; |
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} else { |
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Double_t kx = (x_prev - x_curr)/(z_prev-z_curr); |
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Double_t bx = x_prev - kx*z_prev; |
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Double_t ky = (y_prev - y_curr)/(z_prev-z_curr); |
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Double_t by = y_prev - ky*z_prev; |
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*xc = kx*(TrkParams::zGF[id]+ZOFFSET)+bx; |
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*yc = ky*(TrkParams::zGF[id]+ZOFFSET)+by; |
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//cout<<"Trk_plane:"<<id<<" x_prev,y_prev,zprev:"<<x_prev<<","<<y_prev<<","<<z_prev<<endl; |
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//cout<<"Trk_plane:"<<id<<" x_curr,y_curr,zcurr:"<<x_curr<<","<<y_curr<<","<<z_curr<<endl; |
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//cout<<"Trk_plane:"<<id<<" xc,yc,zc:"<<*xc<<","<<*yc<<","<<TrkParams::zGF[id]+ZOFFSET<<endl; |
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if( (TrkParams::xGF_min[id]<=*xc) && (TrkParams::xGF_max[id]>=*xc) && |
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(TrkParams::yGF_min[id]<=*yc) && (TrkParams::yGF_max[id]>=*yc) ) return kTRUE; |
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} |
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return kFALSE; |
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} |
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void AddPlane(Double_t x_cr, Double_t y_cr, Int_t pl_id){ |
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vec.push_back( new PamVMCPlCross( x_cr, y_cr, pl_id) ); |
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} |
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public: |
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PamVMCPrimaryGF():fXtol(-100.),fYtol(-100.), fisinside(kFALSE){ }; |
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virtual ~PamVMCPrimaryGF() { }; |
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//doing after each step of primary |
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void CheckCrossing(Double_t z_prev, Double_t x_prev, Double_t y_prev, Double_t z_curr, Double_t x_curr, Double_t y_curr){ |
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Int_t pl_id = PlCross(z_prev, z_curr); |
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Double_t xc,yc; |
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xc = yc = -100.; |
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if(pl_id >= 0){ |
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fisinside = IsInside(pl_id, z_prev, x_prev, y_prev, z_curr, x_curr, y_curr, &xc, &yc); |
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if (fisinside) AddPlane(xc, yc, pl_id); |
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} |
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} |
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//doing after finishing primary track |
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Bool_t IsInsideAcceptance(Double_t* xc, Double_t* yc, Double_t &xtol, Double_t &ytol){ |
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Plcrvec::const_iterator p = vec.begin(); |
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*xc = *yc = -100; |
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xtol = ytol = 100.; |
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Bool_t is_tol_outside = kFALSE; |
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while( p!=vec.end() ) |
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{ |
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xc[(*p)->fplID] = (*p)->fX; |
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yc[(*p)->fplID] = (*p)->fY; |
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Double_t xtolpl = Min((*p)->fX-TrkParams::xGF_min[(*p)->fplID], TrkParams::xGF_max[(*p)->fplID]-(*p)->fX); |
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Double_t ytolpl = Min((*p)->fY-TrkParams::yGF_min[(*p)->fplID], TrkParams::yGF_max[(*p)->fplID]-(*p)->fY); |
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if( (xtolpl < 0.) || (ytolpl<0.)) is_tol_outside = kTRUE; |
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//cout<<"xc="<<(*p)->fX<<" yc="<<(*p)->fY<<" xtolpl="<<xtolpl<<" ytolpl="<<ytolpl<<endl; |
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xtol=(xtolpl<xtol)?xtolpl:xtol; |
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ytol=(ytolpl<ytol)?ytolpl:ytol; |
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p++; |
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} |
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if ( is_tol_outside ) xtol = ytol = -100.; |
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//cout<<"xtolpl_FIN="<<xtol<<" ytolpl_FIN="<<ytol<<" PL:"<<vec.size()<<endl; |
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if (vec.size() == NGF) return kTRUE; |
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xtol = ytol = -100.; |
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return kFALSE; |
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} |
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// calls after primary propagation to clean everything |
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virtual void Clear(Option_t * = ""){ |
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fXtol=fYtol=-100.; |
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vec.clear(); |
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} |
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}; |
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#endif |
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