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File indexing completed on 2021-02-14 12:44:33

0001 //   COCOA class implementation file

0002 //Id:  ALIUtils.cc

0003 //CAT: ALIUtils

0004 //

0005 //   History: v1.0

0006 //   Pedro Arce

0007 
0008 #include "Alignment/CocoaUtilities/interface/ALIUtils.h"
0009 #include "Alignment/CocoaUtilities/interface/GlobalOptionMgr.h"
0010 
0011 #include <cmath>
0012 #include <cstdlib>
0013 #include <iomanip>
0014 
0015 ALIint ALIUtils::debug = 99;
0016 ALIint ALIUtils::report = 1;
0017 ALIdouble ALIUtils::_LengthValueDimensionFactor = 1.;
0018 ALIdouble ALIUtils::_LengthSigmaDimensionFactor = 1.;
0019 ALIdouble ALIUtils::_AngleValueDimensionFactor = 1.;
0020 ALIdouble ALIUtils::_AngleSigmaDimensionFactor = 1.;
0021 ALIdouble ALIUtils::_OutputLengthValueDimensionFactor = 1.;
0022 ALIdouble ALIUtils::_OutputLengthSigmaDimensionFactor = 1.;
0023 ALIdouble ALIUtils::_OutputAngleValueDimensionFactor = 1.;
0024 ALIdouble ALIUtils::_OutputAngleSigmaDimensionFactor = 1.;
0025 time_t ALIUtils::_time_now;
0026 ALIdouble ALIUtils::deg = 0.017453293;
0027 ALIbool ALIUtils::firstTime = false;
0028 ALIdouble ALIUtils::maximum_deviation_derivative = 1.E-6;
0029 
0030 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0031 //@@ CHECKS THAT EVERY CHARACTER IN A STRING IS NUMBER, ELSE GIVES AN ERROR

0032 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0033 int ALIUtils::IsNumber(const ALIstring& str) {
0034   int isnum = 1;
0035   int numE = 0;
0036   for (ALIuint ii = 0; ii < str.length(); ii++) {
0037     if (!isdigit(str[ii]) && str[ii] != '.' && str[ii] != '-' && str[ii] != '+') {
0038       //--- check for E(xponential)

0039       if (str[ii] == 'E' || str[ii] == 'e') {
0040         if (numE != 0 || ii == str.length() - 1) {
0041           isnum = 0;
0042           break;
0043         }
0044         numE++;
0045       } else {
0046         isnum = 0;
0047         break;
0048       }
0049     }
0050   }
0051 
0052   return isnum;
0053 }
0054 
0055 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0056 //@@ Dump a Hep3DVector with the chosen precision

0057 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0058 void ALIUtils::dump3v(const CLHEP::Hep3Vector& vec, const std::string& msg) {
0059   //  double phicyl = atan( vec.y()/vec.x() );

0060   std::cout << msg << std::setprecision(8) << vec;
0061   std::cout << std::endl;
0062   //  std::cout << " " << vec.theta()/deg << " " << vec.phi()/deg << " " << vec.perp() << " " << phicyl/deg << std::endl;

0063   //  setw(10);

0064   //  std::cout << msg << " x=" << std::setprecision(8) << vec.x() << " y=" << setprecision(8) <<vec.y() << " z=" << std::setprecision(8) << vec.z() << std::endl;

0065   // std::setprecision(8);

0066 }
0067 
0068 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0069 //@@

0070 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0071 void ALIUtils::dumprm(const CLHEP::HepRotation& rm, const std::string& msg, std::ostream& out) {
0072   out << msg << " xx=" << rm.xx() << " xy=" << rm.xy() << " xz=" << rm.xz() << std::endl;
0073   out << msg << " yx=" << rm.yx() << " yy=" << rm.yy() << " yz=" << rm.yz() << std::endl;
0074   out << msg << " zx=" << rm.zx() << " zy=" << rm.zy() << " zz=" << rm.zz() << std::endl;
0075 }
0076 
0077 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0078 //@@ Set the dimension factor to convert input length values and errors to

0079 //@@  the dimension of errors

0080 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0081 void ALIUtils::SetLengthDimensionFactors() {
0082   //---------------------------------------- if it doesn exist, GlobalOptions is 0

0083   //---------- Calculate factors to convert to meters

0084   GlobalOptionMgr* gomgr = GlobalOptionMgr::getInstance();
0085   ALIint ad = ALIint(gomgr->getGlobalOption("length_value_dimension"));
0086 
0087   _LengthValueDimensionFactor = CalculateLengthDimensionFactorFromInt(ad);
0088   ad = ALIint(gomgr->GlobalOptions()[ALIstring("length_error_dimension")]);
0089   _LengthSigmaDimensionFactor = CalculateLengthDimensionFactorFromInt(ad);
0090 
0091   //---------- Change factor to convert to error dimensions

0092   //  _LengthValueDimensionFactor /= _LengthSigmaDimensionFactor;

0093   //_LengthSigmaDimensionFactor = 1;

0094 
0095   if (ALIUtils::debug >= 6)
0096     std::cout << _LengthValueDimensionFactor << " Set Length DimensionFactors " << _LengthSigmaDimensionFactor
0097               << std::endl;
0098 }
0099 
0100 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0101 //@@ Set the dimension factor to convert input angle values and errors to

0102 //@@  the dimension of errors

0103 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0104 void ALIUtils::SetAngleDimensionFactors() {
0105   //--------------------- if it doesn exist, GlobalOptions is 0

0106   //---------- Calculate factors to convert to radians

0107   GlobalOptionMgr* gomgr = GlobalOptionMgr::getInstance();
0108   ALIint ad = ALIint(gomgr->GlobalOptions()[ALIstring("angle_value_dimension")]);
0109   _AngleValueDimensionFactor = CalculateAngleDimensionFactorFromInt(ad);
0110 
0111   ad = ALIint(gomgr->GlobalOptions()[ALIstring("angle_error_dimension")]);
0112   _AngleSigmaDimensionFactor = CalculateAngleDimensionFactorFromInt(ad);
0113 
0114   //---------- Change factor to convert to error dimensions

0115   //  _AngleValueDimensionFactor /= _AngleSigmaDimensionFactor;

0116   //_AngleSigmaDimensionFactor = 1;

0117 
0118   if (ALIUtils::debug >= 6)
0119     std::cout << _AngleValueDimensionFactor << "Set Angle DimensionFactors" << _AngleSigmaDimensionFactor << std::endl;
0120 }
0121 
0122 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0123 //@@ Set the dimension factor to convert input length values and errors to

0124 //@@  the dimension of errors

0125 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0126 void ALIUtils::SetOutputLengthDimensionFactors() {
0127   //---------------------------------------- if it doesn exist, GlobalOptions is 0

0128   //---------- Calculate factors to convert to meters

0129   GlobalOptionMgr* gomgr = GlobalOptionMgr::getInstance();
0130   ALIint ad = ALIint(gomgr->GlobalOptions()[ALIstring("output_length_value_dimension")]);
0131   if (ad == 0)
0132     ad = ALIint(gomgr->GlobalOptions()[ALIstring("length_value_dimension")]);
0133   _OutputLengthValueDimensionFactor = CalculateLengthDimensionFactorFromInt(ad);
0134 
0135   ad = ALIint(gomgr->GlobalOptions()[ALIstring("output_length_error_dimension")]);
0136   if (ad == 0)
0137     ad = ALIint(gomgr->GlobalOptions()[ALIstring("length_error_dimension")]);
0138   _OutputLengthSigmaDimensionFactor = CalculateLengthDimensionFactorFromInt(ad);
0139 
0140   //---------- Change factor to convert to error dimensions

0141   //  _LengthValueDimensionFactor /= _LengthSigmaDimensionFactor;

0142   //_LengthSigmaDimensionFactor = 1;

0143 
0144   if (ALIUtils::debug >= 6)
0145     std::cout << _OutputLengthValueDimensionFactor << "Output Length Dimension Factors"
0146               << _OutputLengthSigmaDimensionFactor << std::endl;
0147 }
0148 
0149 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0150 //@@ Set the dimension factor to convert input angle values and errors to

0151 //@@  the dimension of errors

0152 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0153 void ALIUtils::SetOutputAngleDimensionFactors() {
0154   //--------------------- if it doesn exist, GlobalOptions is 0

0155   //---------- Calculate factors to convert to radians

0156   GlobalOptionMgr* gomgr = GlobalOptionMgr::getInstance();
0157   ALIint ad = ALIint(gomgr->GlobalOptions()[ALIstring("output_angle_value_dimension")]);
0158   if (ad == 0)
0159     ad = ALIint(gomgr->GlobalOptions()[ALIstring("angle_value_dimension")]);
0160   _OutputAngleValueDimensionFactor = CalculateAngleDimensionFactorFromInt(ad);
0161 
0162   ad = ALIint(gomgr->GlobalOptions()[ALIstring("output_angle_error_dimension")]);
0163   if (ad == 0)
0164     ad = ALIint(gomgr->GlobalOptions()[ALIstring("angle_error_dimension")]);
0165   _OutputAngleSigmaDimensionFactor = CalculateAngleDimensionFactorFromInt(ad);
0166 
0167   //---------- Change factor to convert to error dimensions

0168   //  _AngleValueDimensionFactor /= _AngleSigmaDimensionFactor;

0169   //_AngleSigmaDimensionFactor = 1;

0170 
0171   if (ALIUtils::debug >= 9)
0172     std::cout << _OutputAngleValueDimensionFactor << "Output Angle Dimension Factors"
0173               << _OutputAngleSigmaDimensionFactor << std::endl;
0174 }
0175 
0176 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0177 //@@ Calculate dimension factor to convert any length values and errors to meters

0178 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0179 ALIdouble ALIUtils::CalculateLengthDimensionFactorFromString(ALIstring dimstr) {
0180   ALIdouble valsig = 1.;
0181   ALIstring internalDim = "m";
0182   if (internalDim == "m") {
0183     if (dimstr == "m") {
0184       valsig = 1.;
0185     } else if (dimstr == "mm") {
0186       valsig = 1.E-3;
0187     } else if (dimstr == "mum") {
0188       valsig = 1.E-6;
0189     } else if (dimstr == "cm") {
0190       valsig = 1.E-2;
0191     } else {
0192       std::cerr << "!!! UNKNOWN DIMENSION SCALING " << dimstr << std::endl
0193                 << "VALUE MUST BE BETWEEN 0 AND 3 " << std::endl;
0194       exit(1);
0195     }
0196   } else if (internalDim == "mm") {
0197     if (dimstr == "m") {
0198       valsig = 1.E3;
0199     } else if (dimstr == "mm") {
0200       valsig = 1.;
0201     } else if (dimstr == "mum") {
0202       valsig = 1.E-3;
0203     } else if (dimstr == "cm") {
0204       valsig = 1.E+1;
0205     } else {
0206       std::cerr << "!!! UNKNOWN DIMENSION SCALING: " << dimstr << std::endl
0207                 << "VALUE MUST BE A LENGTH DIMENSION " << std::endl;
0208       exit(1);
0209     }
0210   }
0211 
0212   return valsig;
0213 }
0214 
0215 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0216 //@@ Calculate dimension factor to convert any angle values and errors to radians

0217 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0218 ALIdouble ALIUtils::CalculateAngleDimensionFactorFromString(ALIstring dimstr) {
0219   ALIdouble valsig;
0220   if (dimstr == "rad") {
0221     valsig = 1.;
0222   } else if (dimstr == "mrad") {
0223     valsig = 1.E-3;
0224   } else if (dimstr == "murad") {
0225     valsig = 1.E-6;
0226   } else if (dimstr == "deg") {
0227     valsig = M_PI / 180.;
0228   } else if (dimstr == "grad") {
0229     valsig = M_PI / 200.;
0230   } else {
0231     std::cerr << "!!! UNKNOWN DIMENSION SCALING: " << dimstr << std::endl
0232               << "VALUE MUST BE AN ANGLE DIMENSION " << std::endl;
0233     exit(1);
0234   }
0235 
0236   return valsig;
0237 }
0238 
0239 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0240 //@@ Calculate dimension factor to convert any length values and errors to meters

0241 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0242 ALIdouble ALIUtils::CalculateLengthDimensionFactorFromInt(ALIint ad) {
0243   ALIdouble valsig;
0244   switch (ad) {
0245     case 0:  //----- metres

0246       valsig = CalculateLengthDimensionFactorFromString("m");
0247       break;
0248     case 1:  //----- milimetres

0249       valsig = CalculateLengthDimensionFactorFromString("mm");
0250       break;
0251     case 2:  //----- micrometres

0252       valsig = CalculateLengthDimensionFactorFromString("mum");
0253       break;
0254     case 3:  //----- centimetres

0255       valsig = CalculateLengthDimensionFactorFromString("cm");
0256       break;
0257     default:
0258       std::cerr << "!!! UNKNOWN DIMENSION SCALING " << ad << std::endl << "VALUE MUST BE BETWEEN 0 AND 3 " << std::endl;
0259       exit(1);
0260   }
0261 
0262   // use microradinas instead of radians

0263   //-  valsig *= 1000000.;

0264 
0265   return valsig;
0266 }
0267 
0268 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0269 //@@ Calculate dimension factor to convert any angle values and errors to radians

0270 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0271 ALIdouble ALIUtils::CalculateAngleDimensionFactorFromInt(ALIint ad) {
0272   ALIdouble valsig;
0273   switch (ad) {
0274     case 0:  //----- radians

0275       valsig = CalculateAngleDimensionFactorFromString("rad");
0276       break;
0277     case 1:  //----- miliradians

0278       valsig = CalculateAngleDimensionFactorFromString("mrad");
0279       break;
0280     case 2:  //----- microradians

0281       valsig = CalculateAngleDimensionFactorFromString("murad");
0282       break;
0283     case 3:  //----- degrees

0284       valsig = CalculateAngleDimensionFactorFromString("deg");
0285       break;
0286     case 4:  //----- grads

0287       valsig = CalculateAngleDimensionFactorFromString("grad");
0288       break;
0289     default:
0290       std::cerr << "!!! UNKNOWN DIMENSION SCALING " << ad << std::endl << "VALUE MUST BE BETWEEN 0 AND 3 " << std::endl;
0291       exit(1);
0292   }
0293 
0294   // use microradinas instead of radians

0295   //-  valsig *= 1000000.;

0296 
0297   return valsig;
0298 }
0299 
0300 /*template<class T>

0301  ALIuint FindItemInVector( const T* item, const std::vector<T*> std::vector )

0302 {

0303 

0304 }

0305 */
0306 
0307 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

0308 void ALIUtils::dumpDimensions(std::ofstream& fout) {
0309   fout << "DIMENSIONS: lengths = ";
0310   ALIstring internalDim = "m";
0311   if (_OutputLengthValueDimensionFactor == 1.) {
0312     fout << "m";
0313   } else if (_OutputLengthValueDimensionFactor == 1.E-3) {
0314     fout << "mm";
0315   } else if (_OutputLengthValueDimensionFactor == 1.E-6) {
0316     fout << "mum";
0317   } else if (_OutputLengthValueDimensionFactor == 1.E-2) {
0318     fout << "cm";
0319   } else {
0320     std::cerr << " !! unknown OutputLengthValueDimensionFactor " << _OutputLengthValueDimensionFactor << std::endl;
0321     exit(1);
0322   }
0323 
0324   fout << " +- ";
0325   if (_OutputLengthSigmaDimensionFactor == 1.) {
0326     fout << "m";
0327   } else if (_OutputLengthSigmaDimensionFactor == 1.E-3) {
0328     fout << "mm";
0329   } else if (_OutputLengthSigmaDimensionFactor == 1.E-6) {
0330     fout << "mum";
0331   } else if (_OutputLengthSigmaDimensionFactor == 1.E-2) {
0332     fout << "cm";
0333   } else {
0334     std::cerr << " !! unknown OutputLengthSigmaDimensionFactor " << _OutputLengthSigmaDimensionFactor << std::endl;
0335     exit(1);
0336   }
0337 
0338   fout << "  angles = ";
0339   if (_OutputAngleValueDimensionFactor == 1.) {
0340     fout << "rad";
0341   } else if (_OutputAngleValueDimensionFactor == 1.E-3) {
0342     fout << "mrad";
0343   } else if (_OutputAngleValueDimensionFactor == 1.E-6) {
0344     fout << "murad";
0345   } else if (_OutputAngleValueDimensionFactor == M_PI / 180.) {
0346     fout << "deg";
0347   } else if (_OutputAngleValueDimensionFactor == M_PI / 200.) {
0348     fout << "grad";
0349   } else {
0350     std::cerr << " !! unknown OutputAngleValueDimensionFactor " << _OutputAngleValueDimensionFactor << std::endl;
0351     exit(1);
0352   }
0353 
0354   fout << " +- ";
0355   if (_OutputAngleSigmaDimensionFactor == 1.) {
0356     fout << "rad";
0357   } else if (_OutputAngleSigmaDimensionFactor == 1.E-3) {
0358     fout << "mrad";
0359   } else if (_OutputAngleSigmaDimensionFactor == 1.E-6) {
0360     fout << "murad";
0361   } else if (_OutputAngleSigmaDimensionFactor == M_PI / 180.) {
0362     fout << "deg";
0363   } else if (_OutputAngleSigmaDimensionFactor == M_PI / 200.) {
0364     fout << "grad";
0365   } else {
0366     std::cerr << " !! unknown OutputAngleSigmaDimensionFactor " << _OutputAngleSigmaDimensionFactor << std::endl;
0367     exit(1);
0368   }
0369   fout << std::endl;
0370 }
0371 
0372 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

0373 double ALIUtils::getFloat(const ALIstring& str) {
0374   //----------- first check that it is a number

0375   if (!IsNumber(str)) {
0376     std::cerr << "!!!! EXITING: trying to get the float from a string that is not a number " << str << std::endl;
0377     exit(1);
0378   }
0379 
0380   return atof(str.c_str());
0381 }
0382 
0383 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

0384 int ALIUtils::getInt(const ALIstring& str) {
0385   //----------- first check that it is an integer

0386   if (!IsNumber(str)) {
0387     //----- Check that it is a number

0388     std::cerr << "!!!! EXITING: trying to get the integer from a string that is not a number " << str << std::endl;
0389     exit(1);
0390   } else {
0391     //----- Check that it is not a float, no decimal or E-n

0392     bool isFloat = false;
0393     int ch = str.find('.');
0394     ALIuint ii = 0;
0395     if (ch != -1) {
0396       for (ii = ch + 1; ii < str.size(); ii++) {
0397         if (str[ii] != '0')
0398           isFloat = true;
0399       }
0400     }
0401 
0402     ch = str.find('E');
0403     if (ch != -1)
0404       ch = str.find('e');
0405     if (ch != -1) {
0406       if (str[ch + 1] == '-')
0407         isFloat = true;
0408     }
0409 
0410     if (isFloat) {
0411       std::cerr << "!!!! EXITING: trying to get the integer from a string that is a float: " << str << std::endl;
0412       std::cerr << ii << " ii " << ch << std::endl;
0413       exit(1);
0414     }
0415   }
0416   return int(atof(str.c_str()));
0417 }
0418 
0419 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

0420 bool ALIUtils::getBool(const ALIstring& str) {
0421   bool val;
0422 
0423   //t str = upper( str );

0424   //----------- first check that it is a not number

0425   if (str == "ON" || str == "TRUE") {
0426     val = true;
0427   } else if (str == "OFF" || str == "FALSE") {
0428     val = false;
0429   } else {
0430     std::cerr << "!!!! EXITING: trying to get the float from a string that is not 'ON'/'OFF'/'TRUE'/'FALSE' " << str
0431               << std::endl;
0432     exit(1);
0433   }
0434 
0435   return val;
0436 }
0437 
0438 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

0439 ALIstring ALIUtils::subQuotes(const ALIstring& str) {
0440   //---------- Take out leading and trailing '"'

0441   if (str.find('"') != 0 || str.rfind('"') != str.length() - 1) {
0442     std::cerr << "!!!EXITING trying to substract quotes from a word that has no quotes " << str << std::endl;
0443     exit(1);
0444   }
0445 
0446   //  str = str.strip(ALIstring::both, '\"');

0447   //---------- Take out leading and trallling '"'

0448   ALIstring strt = str.substr(1, str.size() - 2);
0449 
0450   //-  std::cout << " subquotes " << str << std::endl;

0451   //---------- Look for leading spaces

0452   while (strt[0] == ' ') {
0453     strt = strt.substr(1, strt.size() - 1);
0454   }
0455 
0456   //---------- Look for trailing spaces

0457   while (strt[strt.size() - 1] == ' ') {
0458     strt = strt.substr(0, strt.size() - 1);
0459   }
0460 
0461   return strt;
0462 }
0463 
0464 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

0465 void ALIUtils::dumpVS(const std::vector<ALIstring>& wl, const std::string& msg, std::ostream& outs) {
0466   outs << msg << std::endl;
0467   ALIuint siz = wl.size();
0468   for (ALIuint ii = 0; ii < siz; ii++) {
0469     outs << wl[ii] << " ";
0470     /*  ostream_iterator<ALIstring> os(outs," ");

0471     copy(wl.begin(), wl.end(), os);*/
0472   }
0473   outs << std::endl;
0474 }
0475 
0476 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

0477 ALIdouble ALIUtils::getDimensionValue(const ALIstring& dim, const ALIstring& dimType) {
0478   ALIdouble value;
0479   if (dimType == "Length") {
0480     if (dim == "mm") {
0481       value = 1.E-3;
0482     } else if (dim == "cm") {
0483       value = 1.E-2;
0484     } else if (dim == "m") {
0485       value = 1.;
0486     } else if (dim == "mum") {
0487       value = 1.E-6;
0488     } else if (dim == "dm") {
0489       value = 1.E-1;
0490     } else if (dim == "nm") {
0491       value = 1.E-9;
0492     } else {
0493       std::cerr << "!!!!FATAL ERROR:  ALIUtils::GetDimensionValue. " << dim
0494                 << " is a dimension not supported for dimension type " << dimType << std::endl;
0495       abort();
0496     }
0497   } else if (dimType == "Angle") {
0498     if (dim == "rad") {
0499       value = 1.;
0500     } else if (dim == "mrad") {
0501       value = 1.E-3;
0502     } else if (dim == "murad") {
0503       value = 1.E-6;
0504     } else if (dim == "deg") {
0505       value = M_PI / 180.;
0506     } else if (dim == "grad") {
0507       value = M_PI / 200.;
0508     } else {
0509       std::cerr << "!!!!FATAL ERROR:  ALIUtils::GetDimensionValue. " << dim
0510                 << " is a dimension not supported for dimension type " << dimType << std::endl;
0511       abort();
0512     }
0513   } else {
0514     std::cerr << "!!!!FATAL ERROR:  ALIUtils::GetDimensionValue. " << dimType << " is a dimension type not supported "
0515               << std::endl;
0516     abort();
0517   }
0518 
0519   return value;
0520 }
0521 
0522 /*

0523 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

0524 std::ostream& operator << (std::ostream& os, const CLHEP::HepRotation& rm)

0525 {

0526 

0527   return os << " xx=" << rm.xx() << " xy=" << rm.xy() << " xz=" << rm.xz() << std::endl

0528         << " yx=" << rm.yx() << " yy=" << rm.yy() << " yz=" << rm.yz() << std::endl

0529         << " zx=" << rm.zx() << " zy=" << rm.zy() << " zz=" << rm.zz() << std::endl;

0530 

0531 }

0532 */
0533 
0534 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

0535 std::string ALIUtils::changeName(const std::string& oldName, const std::string& subsstr1, const std::string& subsstr2) {
0536   std::string newName = oldName;
0537   int il = oldName.find(subsstr1);
0538   //  std::cout << " il " << il << " oldname " << oldName << " " << subsstr1 << std::endl;

0539   while (il >= 0) {
0540     newName = newName.substr(0, il) + subsstr2 + newName.substr(il + subsstr1.length(), newName.length());
0541     //    std::cout << " dnewName " << newName << " " << newName.substr( 0, il ) << " " << subsstr2 << " " << newName.substr( il+subsstr1.length(), newName.length() ) << std::endl;

0542     il = oldName.find(subsstr1, il + 1);
0543   }
0544 
0545   return newName;
0546 }
0547 
0548 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0549 std::vector<double> ALIUtils::getRotationAnglesFromMatrix(const CLHEP::HepRotation& rmLocal,
0550                                                           double origAngleX,
0551                                                           double origAngleY,
0552                                                           double origAngleZ) {
0553   double pii = acos(0.) * 2;
0554   std::vector<double> newang(3);
0555   double angleX = origAngleX;
0556   double angleY = origAngleY;
0557   double angleZ = origAngleZ;
0558 
0559   if (ALIUtils::debug >= 4) {
0560     std::cout << " angles as value entries: X= " << angleX << " Y= " << angleY << " Z " << angleZ << std::endl;
0561   }
0562 
0563   //-  std::cout << name () << " vdbf " << angleX << " " << angleY << " " << angleZ << std::endl;

0564   double rotzx = approxTo0(rmLocal.zx());
0565   double rotzy = approxTo0(rmLocal.zy());
0566   double rotzz = approxTo0(rmLocal.zz());
0567   double rotyx = approxTo0(rmLocal.yx());
0568   double rotxx = approxTo0(rmLocal.xx());
0569   if (rotzy == 0. && rotzz == 0.) {
0570     //check that entry is z angle

0571     newang[0] = angleX;
0572     //beware of aa <==> pii - aa

0573     if (eq2ang(rmLocal.zx(), -1.)) {
0574       double aa = asin(rmLocal.xy());
0575       if (diff2pi(angleZ, -aa + newang[0]) < diff2pi(angleZ, -pii + aa + newang[0])) {
0576         newang[2] = -aa + newang[0];
0577         if (ALIUtils::debug >= 5)
0578           std::cout << " newang[0] = -aa + newang[0] " << std::endl;
0579       } else {
0580         newang[2] = -pii + aa + newang[0];
0581         if (ALIUtils::debug >= 5)
0582           std::cout << " newang[0] = -pii + aa + newang[0] " << newang[0] << " " << aa << " " << newang[2] << std::endl;
0583       }
0584     } else {
0585       double aa = asin(-rmLocal.xy());
0586       if (diff2pi(angleZ, aa - newang[0]) < diff2pi(angleZ, pii - aa - newang[0])) {
0587         newang[2] = aa - newang[0];
0588         if (ALIUtils::debug >= 5)
0589           std::cout << " newang[0] = aa - newang[2] " << std::endl;
0590       } else {
0591         newang[2] = pii - aa - newang[0];
0592         if (ALIUtils::debug >= 5)
0593           std::cout << " newang[0] = pii - aa - newang[2] " << newang[0] << " " << aa << " " << newang[2] << std::endl;
0594       }
0595     }
0596   } else {
0597     newang[0] = atan(rotzy / rotzz);
0598     newang[2] = atan(rotyx / rotxx);
0599   }
0600   if (rotzx < -1.) {
0601     //-    std::cerr << " rotzx too small " << rotzx << " = " << rmLocal.zx() << " " << rotzx-rmLocal.zx() << std::endl;

0602     rotzx = -1.;
0603   } else if (rotzx > 1.) {
0604     //-    std::cerr << " rotzx too big " << rotzx << " = " << rmLocal.zx() << " " << rotzx-rmLocal.zx() << std::endl;

0605     rotzx = 1.;
0606   }
0607   newang[1] = -asin(rotzx);
0608   if (ALIUtils::debug >= 5)
0609     std::cout << "First calculation of angles: " << std::endl
0610               << " newang[0] " << newang[0] << " " << rotzy << " " << rotzz << std::endl
0611               << " newang[1] " << newang[1] << " " << rotzx << std::endl
0612               << " newang[2] " << newang[2] << " " << rotyx << " " << rotxx << std::endl;
0613 
0614   //    newang[2] = acos( rmLocal.xx() / cos( newang[1] ) );

0615   //----- CHECK if the angles are OK (there are several symmetries)

0616   //--- Check if the predictions with the angles obtained match the values of the rotation matrix (they may differ for exampole by a sign or more in complicated formulas)

0617   double rotnewxx = cos(newang[1]) * cos(newang[2]);
0618   double rotnewzz = cos(newang[0]) * cos(newang[1]);
0619   double rotnewxy = sin(newang[0]) * sin(newang[1]) * cos(newang[2]) - cos(newang[0]) * sin(newang[2]);
0620   double rotnewxz = cos(newang[0]) * sin(newang[1]) * cos(newang[2]) + sin(newang[0]) * sin(newang[2]);
0621   double rotnewyy = sin(newang[0]) * sin(newang[1]) * sin(newang[2]) + cos(newang[0]) * cos(newang[2]);
0622   double rotnewyz = cos(newang[0]) * sin(newang[1]) * sin(newang[2]) - sin(newang[0]) * cos(newang[2]);
0623 
0624   bool eqxx = eq2ang(rotnewxx, rmLocal.xx());
0625   bool eqzz = eq2ang(rotnewzz, rmLocal.zz());
0626   bool eqxy = eq2ang(rotnewxy, rmLocal.xy());
0627   bool eqxz = eq2ang(rotnewxz, rmLocal.xz());
0628   bool eqyy = eq2ang(rotnewyy, rmLocal.yy());
0629   bool eqyz = eq2ang(rotnewyz, rmLocal.yz());
0630 
0631   //--- Check if one of the tree angles should be changed

0632   if (ALIUtils::debug >= 5) {
0633     std::cout << " pred rm.xx " << rotnewxx << " =? " << rmLocal.xx() << " pred rm.zz " << rotnewzz << " =? "
0634               << rmLocal.zz() << std::endl;
0635     std::cout << " eqxx " << eqxx << " eqzz " << eqzz << std::endl;
0636     //-    std::cout << " rotnewxx " << rotnewxx << " = " << rmLocal.xx() << " " << fabs( rotnewxx - rmLocal.xx() ) << " " <<(fabs( rotnewxx - rmLocal.xx() ) < 0.0001) << std::endl;

0637   }
0638 
0639   if (eqxx & !eqzz) {
0640     newang[0] = pii + newang[0];
0641     if (ALIUtils::debug >= 5)
0642       std::cout << " change newang[0] " << newang[0] << std::endl;
0643   } else if (!eqxx & !eqzz) {
0644     newang[1] = pii - newang[1];
0645     if (ALIUtils::debug >= 5)
0646       std::cout << " change newang[1] " << newang[1] << std::endl;
0647   } else if (!eqxx & eqzz) {
0648     newang[2] = pii + newang[2];
0649     if (ALIUtils::debug >= 5)
0650       std::cout << " change newang[2] " << newang[2] << std::endl;
0651   }
0652 
0653   //--- Check if the 3 angles should be changed (previous check is invariant to the 3 changing)

0654   if (ALIUtils::debug >= 5) {
0655     std::cout << " pred rm.xy " << rotnewxy << " =? " << rmLocal.xy() << " pred rm.xz " << rotnewxz << " =? "
0656               << rmLocal.xz() << " pred rm.yy " << rotnewyy << " =? " << rmLocal.yy() << " pred rm.yz " << rotnewyz
0657               << " =? " << rmLocal.yz() << std::endl;
0658     std::cout << " eqxy " << eqxy << " eqxz " << eqxz << " eqyy " << eqyy << " eqyz " << eqyz << std::endl;
0659   }
0660 
0661   if (!eqxy || !eqxz || !eqyy || !eqyz) {
0662     // check also cases where one of the above 'eq' is OK because it is = 0

0663     if (ALIUtils::debug >= 5)
0664       std::cout << " change the 3 newang " << std::endl;
0665     newang[0] = addPii(newang[0]);
0666     newang[1] = pii - newang[1];
0667     newang[2] = addPii(newang[2]);
0668     double rotnewxy = -sin(newang[0]) * sin(newang[1]) * cos(newang[2]) - cos(newang[0]) * sin(newang[2]);
0669     double rotnewxz = -cos(newang[0]) * sin(newang[1]) * cos(newang[2]) - sin(newang[0]) * sin(newang[2]);
0670     if (ALIUtils::debug >= 5)
0671       std::cout << " rotnewxy " << rotnewxy << " = " << rmLocal.xy() << " rotnewxz " << rotnewxz << " = "
0672                 << rmLocal.xz() << std::endl;
0673   }
0674   if (diff2pi(angleX, newang[0]) + diff2pi(angleY, newang[1]) + diff2pi(angleZ, newang[2]) >
0675       diff2pi(angleX, pii + newang[0]) + diff2pi(angleY, pii - newang[1]) + diff2pi(angleZ, pii + newang[2])) {
0676     // check also cases where one of the above 'eq' is OK because it is = 0

0677     if (ALIUtils::debug >= 5)
0678       std::cout << " change the 3 newang " << std::endl;
0679     newang[0] = addPii(newang[0]);
0680     newang[1] = pii - newang[1];
0681     newang[2] = addPii(newang[2]);
0682     double rotnewxy = -sin(newang[0]) * sin(newang[1]) * cos(newang[2]) - cos(newang[0]) * sin(newang[2]);
0683     double rotnewxz = -cos(newang[0]) * sin(newang[1]) * cos(newang[2]) - sin(newang[0]) * sin(newang[2]);
0684     if (ALIUtils::debug >= 5)
0685       std::cout << " rotnewxy " << rotnewxy << " = " << rmLocal.xy() << " rotnewxz " << rotnewxz << " = "
0686                 << rmLocal.xz() << std::endl;
0687   }
0688 
0689   for (int ii = 0; ii < 3; ii++) {
0690     newang[ii] = approxTo0(newang[ii]);
0691   }
0692   //  double rotnewyx = cos( newang[1] ) * sin( newang[2] );

0693 
0694   if (checkMatrixEquations(newang[0], newang[1], newang[2], rmLocal) != 0) {
0695     std::cerr << " wrong rotation matrix " << newang[0] << " " << newang[1] << " " << newang[2] << std::endl;
0696     ALIUtils::dumprm(rmLocal, " matrix is ");
0697   }
0698   if (ALIUtils::debug >= 5) {
0699     std::cout << "Final angles:  newang[0] " << newang[0] << " newang[1] " << newang[1] << " newang[2] " << newang[2]
0700               << std::endl;
0701     CLHEP::HepRotation rot;
0702     rot.rotateX(newang[0]);
0703     ALIUtils::dumprm(rot, " new rot after X ");
0704     rot.rotateY(newang[1]);
0705     ALIUtils::dumprm(rot, " new rot after Y ");
0706     rot.rotateZ(newang[2]);
0707     ALIUtils::dumprm(rot, " new rot ");
0708     ALIUtils::dumprm(rmLocal, " rmLocal ");
0709     //-    ALIUtils::dumprm( theRmGlobOriginal, " theRmGlobOriginal " );

0710   }
0711 
0712   //-  std::cout << " before return newang[0] " << newang[0] << " newang[1] " << newang[1] << " newang[2] " << newang[2] << std::endl;

0713   return newang;
0714 }
0715 
0716 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0717 double ALIUtils::diff2pi(double ang1, double ang2) {
0718   double pii = acos(0.) * 2;
0719   double diff = fabs(ang1 - ang2);
0720   diff = diff - int(diff / 2. / pii) * 2 * pii;
0721   return diff;
0722 }
0723 
0724 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0725 bool ALIUtils::eq2ang(double ang1, double ang2) {
0726   bool beq = true;
0727 
0728   double pii = acos(0.) * 2;
0729   double diff = diff2pi(ang1, ang2);
0730   if (diff > 0.00001) {
0731     if (fabs(diff - 2 * pii) > 0.00001) {
0732       //-      std::cout << " diff " << diff << " " << ang1 << " " << ang2 << std::endl;

0733       beq = false;
0734     }
0735   } else {
0736     beq = true;
0737   }
0738 
0739   return beq;
0740 }
0741 
0742 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0743 double ALIUtils::approxTo0(double val) {
0744   double precision = 1.e-9;
0745   if (fabs(val) < precision)
0746     val = 0;
0747   return val;
0748 }
0749 
0750 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0751 double ALIUtils::addPii(double val) {
0752   if (val < M_PI) {
0753     val += M_PI;
0754   } else {
0755     val -= M_PI;
0756   }
0757 
0758   return val;
0759 }
0760 
0761 //@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

0762 int ALIUtils::checkMatrixEquations(double angleX, double angleY, double angleZ, const CLHEP::HepRotation& rot) {
0763   double sx = sin(angleX);
0764   double cx = cos(angleX);
0765   double sy = sin(angleY);
0766   double cy = cos(angleY);
0767   double sz = sin(angleZ);
0768   double cz = cos(angleZ);
0769 
0770   double rotxx = cy * cz;
0771   double rotxy = sx * sy * cz - cx * sz;
0772   double rotxz = cx * sy * cz + sx * sz;
0773   double rotyx = cy * sz;
0774   double rotyy = sx * sy * sz + cx * cz;
0775   double rotyz = cx * sy * sz - sx * cz;
0776   double rotzx = -sy;
0777   double rotzy = sx * cy;
0778   double rotzz = cx * cy;
0779 
0780   int matrixElemBad = 0;
0781   if (!eq2ang(rot.xx(), rotxx) || !eq2ang(rot.xy(), rotxy) || !eq2ang(rot.xz(), rotxz) || !eq2ang(rot.yx(), rotyx) ||
0782       !eq2ang(rot.yy(), rotyy) || !eq2ang(rot.yz(), rotyz) || !eq2ang(rot.zx(), rotzx) || !eq2ang(rot.zy(), rotzy) ||
0783       !eq2ang(rot.zz(), rotzz)) {
0784     matrixElemBad++;
0785   }
0786 
0787   return matrixElemBad;
0788 }