G4gsmate.cc

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//
// by I.Hrivnacova, 27 Sep 99
 
#include <cmath>
 
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
#include "G3toG4.hh"
#include "G3MatTable.hh"
#include "G3EleTable.hh"
#include "G4Material.hh"
#include "G4Isotope.hh"
#include "G4UnitsTable.hh"
 
void PG4gsmate(G4String *tokens)
{
  // fill the parameter containers
  G3fillParams(tokens,PTgsmate);
  G4String name = Spar[0];
  G4int imate = Ipar[0];
  G4int nwbf = Ipar[1];
  G4double a = Rpar[0];
  G4double z = Rpar[1];
  G4double dens = Rpar[2];
  G4double radl = Rpar[3];
  // G4double absl = Rpar[4];
  G4double *ubuf = &Rpar[5];
 
  G4gsmate(imate, name, a, z, dens, radl, nwbf, ubuf);
}
 
void G4gsmate(G4int imate, G4String name, G4double ain, G4double zin,
              G4double densin, G4double, G4int, G4double*)
{
  G4double G3_minimum_density = 1.e-10*g/cm3;
 
  // add units
  G4double z = zin;    
  G4double a = ain*g/mole;
  G4double dens = densin*g/cm3;
 
  G4Material* material=0;
  
  G4String sname = G4StrUtil::strip_copy(name);
  if (sname == "AIR") {
    // handle the built in AIR mixture
    G4double aa[2], zz[2], wmat[2];
    aa[0] = 14.01*g/mole;
    aa[1] = 16.00*g/mole;
    zz[0] = 7;
    zz[1] = 8;
    wmat[0] = 0.7;
    wmat[1] = 0.3;
    // G4double theDensity = 1.2931*mg/cm3;
    G4double theDensity = 0.0012931;
    G4int n=2;
    G4gsmixt(imate, sname, aa, zz, theDensity, n, wmat);
  } 
  else if ( z<1 || dens < G3_minimum_density ) {
    // define vacuum according to definition from N03 example
    G4double density     = universe_mean_density;    //from PhysicalConstants.h
    G4double pressure    = 3.e-18*pascal;
    G4double temperature = 2.73*kelvin;
    material = new G4Material(name, z=1., a=1.01*g/mole, density,
                    kStateGas,temperature,pressure);
  }
  else {
    //G4Element* element = CreateElement(z, a, name);
    G4Element* element = G3Ele.GetEle(z);
    material = new G4Material(name, dens, 1);
    material->AddElement(element, 1.);    
  }  
 
  // add the material to the List
  G3Mat.put(imate, material);
}