257 lines
8.0 KiB
C
257 lines
8.0 KiB
C
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#ifndef ClassDetGeo_H
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#define ClassDetGeo_H
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#include <stdio.h> /// for FILE
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#include <cstdlib>
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#include <string>
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#include <vector>
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#include <unistd.h>
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#include "TMath.h"
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#include "TString.h"
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#include "TMacro.h"
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#include "AnalysisLib.h"
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struct Array{
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double detPerpDist; /// distance from axis
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double detWidth; /// width
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double detLength; /// length
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double blocker;
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double firstPos; /// meter
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double eSigma; /// intrinsic energy resolution MeV
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double zSigma; /// intrinsic position resolution mm
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bool detFaceOut; ///detector_facing_Out_or_In
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std::vector<double> pos; /// near position in meter
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int nDet, mDet; /// nDet = number of different pos, mDet, number of same pos
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std::vector<double> detPos; ///absolute position of detector
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double zMin, zMax;
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void DeduceAbsolutePos(){
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nDet = pos.size();
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detPos.clear();
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for(int id = 0; id < nDet; id++){
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if( firstPos > 0 ) detPos.push_back(firstPos + pos[id]);
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if( firstPos < 0 ) detPos.push_back(firstPos - pos[nDet - 1 - id]);
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///printf("%d | %f, %f \n", id, pos[id], detPos[id]);
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}
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zMin = TMath::Min(detPos.front(), detPos.back()) - (firstPos < 0 ? detLength : 0);
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zMax = TMath::Max(detPos.front(), detPos.back()) + (firstPos > 0 ? detLength : 0);
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}
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void PrintArray() const{
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for(int i = 0; i < nDet ; i++){
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if( firstPos > 0 ){
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printf("%d, %8.2f mm - %8.2f mm \n", i, detPos[i], detPos[i] + detLength);
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}else{
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printf("%d, %8.2f mm - %8.2f mm \n", i, detPos[i] - detLength , detPos[i]);
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}
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}
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printf(" Blocker Position: %8.2f mm \n", firstPos > 0 ? firstPos - blocker : firstPos + blocker );
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printf(" First Position: %8.2f mm \n", firstPos);
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printf(" number of det : %d x %d \n", mDet, nDet);
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printf(" detector facing : %s\n", detFaceOut ? "Out" : "In");
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printf(" energy resol.: %f MeV\n", eSigma);
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printf(" pos-Z resol.: %f mm \n", zSigma);
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}
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};
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class DetGeo {
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public:
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DetGeo();
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~DetGeo();
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double Bfield; /// T
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int BfieldSign ; /// sign of B-field
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double BfieldTheta; /// rad, 0 = z-axis, pi/2 = y axis, pi = -z axis
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double bore; /// bore , mm
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double recoilPos; /// recoil, downstream
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double recoilInnerRadius; /// radius recoil inner
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double recoilOuterRadius; /// radius recoil outter
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double recoilPos1, recoilPos2; /// imaginary recoils
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double elumPos1, elumPos2; /// imaginary elum, only sensitive to light recoil
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//===================1st array
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Array array1;
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//==================2nd array
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bool use2ndArray;
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Array array2;
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double zMin, zMax; /// range of detectors
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bool isCoincidentWithRecoil;
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bool LoadDetectorGeo(TString fileName);
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bool LoadDetectorGeo(TMacro * macro);
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void PrintDetGeo( bool printAll = true) const;
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private:
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};
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inline DetGeo::DetGeo(){
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}
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inline DetGeo::~DetGeo(){
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}
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inline bool DetGeo::LoadDetectorGeo(TString fileName){
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TMacro * haha = new TMacro();
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if( haha->ReadFile(fileName) > 0 ) {
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if( LoadDetectorGeo(haha) ){
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return true;
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}else{
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return false;
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}
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}else{
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return false;
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}
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}
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///Using TMacro to load the detectorGeo frist,
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///this indrect method is good for loading detectorGeo from TMacro in root file
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inline bool DetGeo::LoadDetectorGeo(TMacro * macro){
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if( macro == NULL ) return false;
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TList * haha = macro->GetListOfLines();
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int numLine = (haha)->GetSize();
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array1.pos.clear();
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array2.pos.clear();
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use2ndArray = false;
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int detFlag = 0;
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int detLine = 0;
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for( int i = 0 ; i < numLine; i++){
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std::vector<std::string> str = AnalysisLib::SplitStr(macro->GetListOfLines()->At(i)->GetName(), " ");
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//printf("%3d | %s\n", i, str[0].c_str());
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if( str[0].find("####") != std::string::npos ) break;
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if( str[0].find("#===") != std::string::npos ) {
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detFlag ++;
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detLine = 0;
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continue;;
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}
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if( detFlag == 0 ){
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if ( i == 0 ) {
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Bfield = atof(str[0].c_str());
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BfieldSign = Bfield > 0 ? 1: -1;
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}
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if ( i == 1 ) BfieldTheta = atof(str[0].c_str());
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if ( i == 2 ) bore = atof(str[0].c_str());
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if ( i == 3 ) recoilPos = atof(str[0].c_str());
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if ( i == 4 ) recoilInnerRadius = atof(str[0].c_str());
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if ( i == 5 ) recoilOuterRadius = atof(str[0].c_str());
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if ( i == 6 ) isCoincidentWithRecoil = str[0] == "false" ? false: true;
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if ( i == 7 ) recoilPos1 = atof(str[0].c_str());
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if ( i == 8 ) recoilPos2 = atof(str[0].c_str());
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if ( i == 9 ) elumPos1 = atof(str[0].c_str());
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if ( i == 10 ) elumPos2 = atof(str[0].c_str());
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}
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if( detFlag == 1){
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if ( detLine == 0 ) array1.detPerpDist = atof(str[0].c_str());
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if ( detLine == 1 ) array1.detWidth = atof(str[0].c_str());
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if ( detLine == 2 ) array1.detLength = atof(str[0].c_str());
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if ( detLine == 3 ) array1.blocker = atof(str[0].c_str());
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if ( detLine == 4 ) array1.firstPos = atof(str[0].c_str());
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if ( detLine == 5 ) array1.eSigma = atof(str[0].c_str());
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if ( detLine == 6 ) array1.zSigma = atof(str[0].c_str());
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if ( detLine == 7 ) array1.detFaceOut = str[0] == "Out" ? true : false;
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if ( detLine == 8 ) array1.mDet = atoi(str[0].c_str());
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if ( detLine >= 9 ) array1.pos.push_back(atof(str[0].c_str()));
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detLine ++;
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}
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if( detFlag == 2){
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if ( detLine == 0 ) use2ndArray = str[0] == "true" ? true : false;
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if ( detLine == 1 ) array2.detPerpDist = atof(str[0].c_str());
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if ( detLine == 2 ) array2.detWidth = atof(str[0].c_str());
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if ( detLine == 3 ) array2.detLength = atof(str[0].c_str());
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if ( detLine == 4 ) array2.blocker = atof(str[0].c_str());
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if ( detLine == 5 ) array2.firstPos = atof(str[0].c_str());
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if ( detLine == 6 ) array2.eSigma = atof(str[0].c_str());
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if ( detLine == 7 ) array2.zSigma = atof(str[0].c_str());
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if ( detLine == 8 ) array2.detFaceOut = str[0] == "Out" ? true : false;
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if ( detLine == 9 ) array2.mDet = atoi(str[0].c_str());
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if ( detLine >= 10 ) array2.pos.push_back(atof(str[0].c_str()));
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detLine ++;
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}
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}
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array1.DeduceAbsolutePos();
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zMin = array1.zMin;
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zMax = array1.zMax;
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if( use2ndArray) {
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array2.DeduceAbsolutePos();
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zMax = TMath::Min(array1.zMax, array2.zMax);
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zMin = TMath::Min(array1.zMin, array2.zMin);
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}
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PrintDetGeo(false);
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return true;
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}
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inline void DetGeo::PrintDetGeo(bool printAll) const{
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printf("=====================================================\n");
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printf(" B-field: %8.2f T, Theta : %6.2f deg \n", Bfield, BfieldTheta);
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if( BfieldTheta != 0.0 ) {
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printf(" +---- field angle != 0 is not supported!!! \n");
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}
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printf(" Recoil detector pos: %8.2f mm, radius: %6.2f - %6.2f mm \n", recoilPos, recoilInnerRadius, recoilOuterRadius);
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if( printAll ){
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printf("------------------------------------- Detector Position \n");
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array1.PrintArray();
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if( use2ndArray){
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printf("--------------------------------- 2nd Detector Position \n");
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array2.PrintArray();
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}
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}else{
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if( use2ndArray){
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printf("--------------------------------- 2nd Detector Position \n");
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array2.PrintArray();
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}else{
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printf("------------------------------------- Detector Position \n");
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array1.PrintArray();
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}
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}
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if( elumPos1 != 0 || elumPos2 != 0 || recoilPos1 != 0 || recoilPos2 != 0){
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printf("=================================== Auxillary/Imaginary Detectors\n");
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}
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if( elumPos1 != 0 ) printf(" Elum 1 pos.: %f mm \n", elumPos1);
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if( elumPos2 != 0 ) printf(" Elum 2 pos.: %f mm \n", elumPos2);
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if( recoilPos1 != 0 ) printf(" Recoil 1 pos.: %f mm \n", recoilPos1);
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if( recoilPos2 != 0 ) printf(" Recoil 2 pos.: %f mm \n", recoilPos2);
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printf("=====================================================\n");
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}
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#endif
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