/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/DetectorDescription/RegressionTest/src/build.cc

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using namespace std;

#include <cmath>
#include <iostream>
#include <fstream>
#include <vector>
#include "DetectorDescription/Parser/interface/DDLParser.h"
#include "DetectorDescription/Parser/interface/FIPConfiguration.h"
#include "DetectorDescription/Algorithm/src/AlgoInit.h"

#include "DetectorDescription/Core/interface/DDCompactView.h"
#include "DetectorDescription/Core/interface/DDExpandedView.h"
#include "CLHEP/Units/GlobalSystemOfUnits.h"

#include "DetectorDescription/Core/interface/DDRoot.h"
#include "DetectorDescription/Core/interface/DDLogicalPart.h"
#include "DetectorDescription/Core/interface/DDMaterial.h"
#include "DetectorDescription/Core/interface/DDSolid.h"
#include "DetectorDescription/Core/interface/DDTransform.h"

#include "DetectorDescription/ExprAlgo/interface/ExprEvalSingleton.h"

#include <Math/RotationZ.h>
#include <Math/AxisAngle.h>

/*
File setup.xml:
  Material(mixt) Air
  LogicalPart world
  Solid world
  Constant length
  Constant corner
File elements.xml:
  Material(elem) Nitrogen
  Material(elem) Oxygen  
*/
void regressionTest_setup() {
   ExprEvalInterface & eval = ExprEval::instance();
   
   string ns = "setup"; // current namespace faking the filename 'setup.xml'
   
   // length of a side of  world cube
   eval.set(ns,"length","20.*m"); 
   
   // center of a corner in the cube
   eval.set(ns,"corner","[length]/4.");
   
   // world-solid
   DDName worldName("world",ns);
   DDName airName("Air",ns);
   DDName nitrogenName("Nitrogen","elements");
   DDName oxygenName("Oxygen","elements");
   
   DDSolidFactory::box(worldName, eval.eval(ns,"[length]/2."),
                    eval.eval(ns,"[length]/2."),
                    eval.eval(ns,"[length]/2."));
   
   DDLogicalPart(worldName, // name
                 airName,   // material
                 worldName  // solid
                );

   DDMaterial air(airName,eval.eval(ns,"1.214*mg/cm3")); // mixture for Air
   air.addMaterial(DDMaterial(nitrogenName),eval.eval(ns,"0.75"));
   air.addMaterial(DDMaterial(oxygenName),eval.eval(ns,"0.25"));
   
   cout << air << endl;
   
   DDMaterial(nitrogenName,      // name
              eval.eval(ns,"7"), // Z
              eval.eval(ns,"14.007*g/mole"), // A
              eval.eval(ns,"0.808*g/cm3") ); // density
              
   DDMaterial(oxygenName,      // name
              eval.eval(ns,"8"), // Z
              eval.eval(ns,"15.999*g/mole"), // A
              eval.eval(ns,"1.43*g/cm3") ); // density

   cout << air << endl;   

   // Some rotations in the x-y plane (Unit, 30,60,90 degs)
   DDRotationMatrix * r0  = new DDRotationMatrix();
   DDRotationMatrix * r30 = new DDRotationMatrix(ROOT::Math::RotationZ(30.*deg));   
   DDRotationMatrix * r60 = new DDRotationMatrix(ROOT::Math::RotationZ(60.*deg));   
   DDRotationMatrix * r90 = new DDRotationMatrix(ROOT::Math::RotationZ(90.*deg));   
   
   DDrot(DDName("Unit",ns),r0);
   DDrot(DDName("R30",ns),r30);
   DDrot(DDName("R60",ns),r60);
   DDrot(DDName("R90",ns),r90);
   
   DDSolid collectorSolid = DDSolidFactory::shapeless(DDName("group",ns));
   
   DDRootDef::instance().set(worldName);              
}

/*
  naming convention for the 8 corners in the world:
  +++ (upper, +x, +y)
  -++ (lower, +x, +y)
  +-+ (upper, -x, +y)
  and so on ...
*/

// Fills corner +++ with a hierarchy of boxes ...
/*
  File: first.xml
  
*/ 
void regressionTest_first( ) {
  AlgoInit();
  DDCompactView cpv;
  cout << "main::initialize DDL parser" << endl;
  DDLParser myP(cpv);// = DDLParser::instance();
  
  cout << "main::about to set configuration" << endl;
  
  ExprEvalInterface & eval = ExprEval::instance();
  string ns("first");
  DDSolid support = DDSolidFactory::box(DDName("support",ns),
                                        eval.eval(ns,"[setup:corner]/4."),
                                        eval.eval(ns,"[setup:corner]/8."),
                                        eval.eval(ns,"[setup:corner]/4.")
                                        );
  DDSolid sensor = DDSolidFactory::box(DDName("sensor",ns),                        
                                       eval.eval(ns,"[setup:corner]/16."),
                                       eval.eval(ns,"[setup:corner]/16."),
                                       eval.eval(ns,"[setup:corner]/16.")
                                       );
  
  DDLogicalPart supportLP(DDName("support",ns),     // name
                          DDName("Oxygen","elements"), // material
                          DDName("support",ns));    // solid
  
  DDLogicalPart sensorLP(DDName("sensor",ns),
                         DDName("Nitrogen","elements"),
                         DDName("sensor",ns));  
  
  DDLogicalPart part(DDName("group",ns),
                     DDName("Air","setup"),
                     DDName("group","setup")    
                      );
  
  DDRotation r30(DDName("R30","setup"));
  DDRotation r60(DDName("R60","setup"));
  DDRotation r90(DDName("R90","setup"));
  DDRotation unit(DDName("Unit","setup"));
  DDTranslation t0;
  DDTranslation t1(eval.eval(ns,"[setup:corner]/8."),
                   eval.eval(ns,"[setup:corner]/16."),
                   eval.eval(ns,"[setup:corner]/8.")
                   );
  DDTranslation t2(eval.eval(ns,"[setup:corner]*1.25*cos(0.)"),
                   eval.eval(ns,"[setup:corner]*1.25*sin(0.)"),
                   eval.eval(ns,"0."));
  DDTranslation t3(eval.eval(ns,"[setup:corner]*1.25*cos(30.*deg)"),
                   eval.eval(ns,"[setup:corner]*1.25*sin(30.*deg)"),
                    eval.eval(ns,"0."));
  DDTranslation t4(eval.eval(ns,"[setup:corner]*1.25*cos(60.*deg)"),
                   eval.eval(ns,"[setup:corner]*1.25*sin(60.*deg)"),
                   eval.eval(ns,"0."));
  DDTranslation t5(eval.eval(ns,"[setup:corner]*1.25*cos(90.*deg)"),
                   eval.eval(ns,"[setup:corner]*1.25*sin(90.*deg)"),
                   eval.eval(ns,"0."));
  
  cpv.position(sensorLP, supportLP, std::string("1"), t1, unit);
  cpv.position(supportLP, part, std::string("1"), t2, unit);
  cpv.position(supportLP, part, std::string("2"), t3, r30);
  cpv.position(supportLP, part, std::string("3"), t4, r60);
  cpv.position(supportLP, part, std::string("4"), t5, r90);
   
  DDRotationMatrix * rm = new DDRotationMatrix(ROOT::Math::AxisAngle(DD3Vector(1.,1.,1.),20.*deg));
  DDRotation rw= DDrot(DDName("group", ns), rm);
  DDLogicalPart ws(DDName("world","setup"));
  cpv.position(part, ws, std::string("1"), t0, rw);
}


void output(string filename) 
{
  ostream & os(cout);

  os << "Starting Regressiontest Output" << endl;
  AlgoInit();
  DDCompactView cpv;
  cout << "main::initialize DDL parser" << endl;
  DDLParser myP(cpv);// = DDLParser::instance();

  cout << "main::about to set configuration" << endl;
  //    myP->SetConfig("configuration.xml");
  FIPConfiguration cf(cpv);
  cf.readConfig("DetectorDescription/RegressionTest/test/configuration.xml");

  cout << "main::about to start parsing" << endl;
 
  myP.parse(cf);

  cout << "main::completed Parser" << endl;

  DDExpandedView exv(cpv);
  vector<DDTranslation> tvec;
  bool loop=true;
  std::cout << "Before the loop..." << std::endl;
  while(loop) {
    ROOT::Math::AxisAngle ra(exv.rotation());
    os << exv.logicalPart() << endl
       << "  " << exv.logicalPart().material() << endl
       << "  " << exv.logicalPart().solid() << endl
       << "  " << exv.translation() << endl;
    os << "  " << ra.Axis() << ra.Angle()/deg << endl;
    tvec.push_back(exv.translation());   
    loop = exv.next();
  }
  
  vector<DDTranslation>::iterator it = tvec.begin();
  os << endl << "center points of all solids" << endl;
  for (; it != tvec.end(); ++it) {
    os << (*it).x() << " " << (*it).y() << " " << (*it).z() << endl;
  }
}

void testParser()
{
  try {
    cout << "main:: initialize" << endl;
    AlgoInit();
    DDCompactView cpv;
    cout << "main::initialize DDL parser" << endl;
    DDLParser myP(cpv);// = DDLParser::instance();

    cout << "main::about to set configuration" << endl;
    //    myP->SetConfig("configuration.xml");
    FIPConfiguration cf(cpv);
    cf.readConfig("DetectorDescription/RegressionTest/test/configuration.xml");

    cout << "main::about to start parsing" << endl;
 
    myP.parse(cf);

    cout << "main::completed Parser" << endl;
  
    cout << endl << endl << "main::Start checking!" << endl << endl;
  
  }
  catch (cms::Exception& e)
    {
      cout << "main::PROBLEM:" << endl 
           << "         " << e << endl;
    }  
}

void printRot(const DDRotationMatrix & rot) {
  std::cout << "rot asis\n" << rot << std::endl;
  DD3Vector x,y,z; const_cast<DDRotationMatrix &>(rot).GetComponents(x,y,z);
  std::cout << "components\n" 
            << x << "\n"
            << y << "\n"
            << z << std::endl;
  cout << "phiX=" << x.phi() << " or in degrees = " 
       << x.phi()/deg << endl;
  cout << "thetaX=" << x.theta() << " or in degrees = " 
       << x.theta()/deg << endl;
  cout << "phiY=" << y.phi() << " or in degrees = " 
       << y.phi()/deg << endl;
  cout << "thetaY=" << y.theta() << " or in degrees = " 
       << y.theta()/deg << endl;
  cout << "phiZ=" << z.phi() << " or in degrees = " 
       << z.phi()/deg << endl;
  cout << "thetaZ=" << z.theta() << " or in degrees = " 
       << z.theta()/deg << endl;
  
  cout << "some factor/equations..." << endl;
  cout << " sin(thetaX()) * cos(phiX()) = " 
       << sin(x.theta()) * cos(x.phi()) << endl;
  
}

void testrot()
{
  //  ExprEvalInterface & eval = ExprEval::instance();
  {
    ROOT::Math::AxisAngle aa(DD3Vector(1.,1.,1.), 20.*deg);
    DDRotationMatrix rm(aa); 
    cout << "DD3Vector was " << DD3Vector(1.,1.,1.) << " and the rotation was 20*deg around that axis." << endl;
    printRot(rm);
  }
  {
    DDRotationMatrix rm(1,0,0, 0,-1,0, 0,0,1); 
    cout << "(1,0,0, 0,-1,0, 0,0,1)" << endl;
    printRot(rm);
  }
}