G4gsmate.cc

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00025 //
00026 //
00027 // $Id$
00028 //
00029 // by I.Hrivnacova, 27 Sep 99
00030 
00031 #include <cmath>
00032 
00033 #include "G4PhysicalConstants.hh"
00034 #include "G4SystemOfUnits.hh"
00035 #include "G3toG4.hh"
00036 #include "G3MatTable.hh"
00037 #include "G3EleTable.hh"
00038 #include "G4Material.hh"
00039 #include "G4Isotope.hh"
00040 #include "G4UnitsTable.hh"
00041 
00042 void PG4gsmate(G4String *tokens)
00043 {
00044   // fill the parameter containers
00045   G3fillParams(tokens,PTgsmate);
00046   G4String name = Spar[0];
00047   G4int imate = Ipar[0];
00048   G4int nwbf = Ipar[1];
00049   G4double a = Rpar[0];
00050   G4double z = Rpar[1];
00051   G4double dens = Rpar[2];
00052   G4double radl = Rpar[3];
00053   // G4double absl = Rpar[4];
00054   G4double *ubuf = &Rpar[5];
00055 
00056   G4gsmate(imate, name, a, z, dens, radl, nwbf, ubuf);
00057 }
00058 
00059 /*
00060 // replaced with G3EleTable 
00061 // only used G4Elements are created;
00062 // !! no checking of given A of the element;
00063 //
00064 
00065 G4Element* CreateElement(G4double zeff, G4double aeff, G4String matName)
00066 {
00067   // tolerance in Z, A for element definition
00068   const G4double tolerance = 0.001;
00069 
00070   // define the symbol Z%A% of element
00071   // !! symbol is not unambiguous element identifier
00072   char symbol[20];
00073   sprintf(symbol,"Z%dA%d",int(zeff),int(aeff/(g/mole)));
00074   G4String elSymbol = symbol;
00075  
00076   // search element table for the element with given (Z,A)
00077   // 
00078   G4int index = 0;
00079   const G4ElementTable* table = G4Element::GetElementTable();
00080   for (G4int i=0; i<table->entries(); i++) {
00081      G4Element* entry = (*table)[i];
00082      if (elSymbol == entry->GetSymbol()) index++; 
00083      if ( std::abs(zeff - entry->GetZ()) < tolerance &&
00084          (std::abs(aeff - entry->GetA())/(g/mole)) < tolerance ){
00085        return entry;
00086      }
00087   }  
00088 
00089   // define a unique name En-Z%A% 
00090   // (n - index of elements with the same int(Z), int(A))
00091   char chIndex[4];
00092   sprintf(chIndex,"%d",index);
00093   G4String elName = "E";  
00094   elName = elName + chIndex + "-";
00095   elName = elName + elSymbol;  
00096 
00097   // create new element if it was not found in element table
00098   G4Element* element = new G4Element(elName, elSymbol, zeff, aeff);     
00099   G4cout << "New element: " << element->GetName()
00100          << " for " << matName << " material has been created." << G4endl;
00101   return element;       
00102 }
00103 */
00104 
00105 void G4gsmate(G4int imate, G4String name, G4double ain, G4double zin,
00106               G4double densin, G4double, G4int, G4double*)
00107 {
00108   G4double G3_minimum_density = 1.e-10*g/cm3;
00109 
00110   // add units
00111   G4double z = zin;    
00112   G4double a = ain*g/mole;
00113   G4double dens = densin*g/cm3;
00114 
00115   G4Material* material=0;
00116   
00117   G4String sname = name.strip(G4String::both);
00118   if (sname == "AIR") {
00119     // handle the built in AIR mixture
00120     G4double aa[2], zz[2], wmat[2];
00121     aa[0] = 14.01*g/mole;
00122     aa[1] = 16.00*g/mole;
00123     zz[0] = 7;
00124     zz[1] = 8;
00125     wmat[0] = 0.7;
00126     wmat[1] = 0.3;
00127     // G4double theDensity = 1.2931*mg/cm3;
00128     G4double theDensity = 0.0012931;
00129     G4int n=2;
00130     G4gsmixt(imate, sname, aa, zz, theDensity, n, wmat);
00131   } 
00132   else if ( z<1 || dens < G3_minimum_density ) {
00133     // define vacuum according to definition from N03 example
00134     G4double density     = universe_mean_density;    //from PhysicalConstants.h
00135     G4double pressure    = 3.e-18*pascal;
00136     G4double temperature = 2.73*kelvin;
00137     material = new G4Material(name, z=1., a=1.01*g/mole, density,
00138                     kStateGas,temperature,pressure);
00139   }
00140   else {
00141     //G4Element* element = CreateElement(z, a, name);
00142     G4Element* element = G3Ele.GetEle(z);
00143     material = new G4Material(name, dens, 1);
00144     material->AddElement(element, 1.);    
00145   }  
00146 
00147   // add the material to the List
00148   G3Mat.put(imate, material);
00149 }
00150 
00151 
00152 
00153 
00154 
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