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00001 #include "RecoTracker/TkNavigation/interface/TkLayerLess.h" 00002 #include "FWCore/Utilities/interface/Exception.h" 00003 #include "FWCore/MessageLogger/interface/MessageLogger.h" 00004 00005 bool TkLayerLess::insideOutLess( const DetLayer* a, const DetLayer* b) const 00006 { 00007 if (a == b) return false; 00008 00009 const BarrelDetLayer* bla = 00010 dynamic_cast<BarrelDetLayer*>(const_cast<DetLayer*>(a)); 00011 const BarrelDetLayer* blb = 00012 dynamic_cast<BarrelDetLayer*>(const_cast<DetLayer*>(b)); 00013 00014 if ( bla!=0 && blb!=0) { // barrel with barrel 00015 return bla->specificSurface().radius() < blb->specificSurface().radius(); 00016 } 00017 00018 const ForwardDetLayer* flb = 00019 dynamic_cast<ForwardDetLayer*>(const_cast<DetLayer*>(b)); 00020 00021 if ( bla!=0 && flb!=0) { // barrel with forward 00022 return barrelForwardLess( bla, flb); 00023 } 00024 00025 const ForwardDetLayer* fla = 00026 dynamic_cast<ForwardDetLayer*>(const_cast<DetLayer*>(a)); 00027 00028 if (fla!=0 && flb!=0) { // forward with forward 00029 return fabs( fla->position().z()) < fabs( flb->position().z()); 00030 } 00031 if ( fla!=0 && blb!=0) { // forward with barrel 00032 return !barrelForwardLess( blb, fla); 00033 } 00034 //throw DetLogicError("TkLayerLess: arguments are not Barrel or Forward DetLayers"); 00035 throw cms::Exception("TkLayerLess", "Arguments are not Barrel or Forward DetLayers"); 00036 00037 } 00038 00039 bool TkLayerLess::barrelForwardLess( const BarrelDetLayer* bla, 00040 const ForwardDetLayer* flb) const 00041 { 00042 return bla->surface().bounds().length()/2. < fabs( flb->position().z()); 00043 } 00044 00045 00046 bool TkLayerLess::insideOutLessSigned( const DetLayer* a, const DetLayer* b) const 00047 { 00048 if (a == b) return false; 00049 00050 const BarrelDetLayer* bla = 00051 dynamic_cast<BarrelDetLayer*>(const_cast<DetLayer*>(a)); 00052 const BarrelDetLayer* blb = 00053 dynamic_cast<BarrelDetLayer*>(const_cast<DetLayer*>(b)); 00054 00055 if ( bla!=0 && blb!=0) { // barrel with barrel 00056 return bla->specificSurface().radius() < blb->specificSurface().radius(); 00057 } 00058 00059 const ForwardDetLayer* flb = 00060 dynamic_cast<ForwardDetLayer*>(const_cast<DetLayer*>(b)); 00061 00062 if ( bla!=0 && flb!=0) { // barrel with forward 00063 return barrelForwardLess( bla, flb); 00064 } 00065 00066 const ForwardDetLayer* fla = 00067 dynamic_cast<ForwardDetLayer*>(const_cast<DetLayer*>(a)); 00068 00069 if (fla!=0 && flb!=0) { // forward with forward 00070 if (fla->position().z()*flb->position().z() > 0) {// same z-sign 00071 //regular ordering when same sign 00072 LogDebug("BeamHaloTkLayerLess")<<"reaching this: " 00073 <<theFromLayerSign<<" " 00074 <<fla->position().z()<<" " 00075 <<flb->position().z(); 00076 return (fabs(fla->position().z()) < fabs( flb->position().z())); 00077 } 00078 else{//layers compared are not on the same z-side 00079 LogDebug("BeamHaloTkLayerLess")<<"reaching this at least: " 00080 <<theFromLayerSign<<" " 00081 <<fla->position().z()<<" " 00082 <<flb->position().z(); 00083 00084 if (theFromLayerSign*fla->position().z()>0){ 00085 //"fla" and original layer are on the same side 00086 //say that fla is less than flb 00087 return false; 00088 }else{ 00089 return true; 00090 } 00091 } 00092 } 00093 if ( fla!=0 && blb!=0) { // forward with barrel 00094 return !barrelForwardLess( blb, fla); 00095 } 00096 throw cms::Exception("BeamHaloTkLayerLess", "Arguments are not Barrel or Forward DetLayers"); 00097 00098 } 00099 00100
1.7.3