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// $Id: NistMaterialTest2.cc,v 1.3 2006/06/29 19:13:21 gunter Exp $
// GEANT4 tag $Name: geant4-09-04-beta-cand-01 $
//
// 
// ------------------------------------------------------------
//
//
//  Test the construction of materials from the NIST data base
//
#include "G4NistManager.hh"

#include "globals.hh"
#include "G4UnitsTable.hh"

int main() {

G4int z;
G4bool buildIsotopes;

G4UnitDefinition::BuildUnitsTable();

// initialise NIST data base
//
G4NistManager*  nistMat = G4NistManager::Instance();

// define Elements
//
nistMat->FindOrBuildElement (z=1);
nistMat->FindOrBuildElement (z=6);
nistMat->FindOrBuildElement (z=7, buildIsotopes=false);
nistMat->FindOrBuildElement ("O");
nistMat->FindOrBuildElement ("Si", buildIsotopes=false);
nistMat->FindOrBuildElement ("Fe");
nistMat->FindOrBuildElement ("U");

G4cout << *(G4Isotope::GetIsotopeTable()) << G4endl;
G4cout << *(G4Element::GetElementTable()) << G4endl;

 
// define Materials
//
G4Material* Al =
nistMat->FindOrBuildMaterial ("G4_Al");
nistMat->FindOrBuildMaterial ("G4_lAr", buildIsotopes=false);
nistMat->FindOrBuildMaterial ("G4_Cu" , buildIsotopes=false);
G4Material* Pb =
nistMat->FindOrBuildMaterial ("G4_Pb");

G4Material* H2O =
nistMat->FindOrBuildMaterial ("G4_WATER");
nistMat->FindOrBuildMaterial ("G4_POLYSTYRENE");
nistMat->FindOrBuildMaterial ("G4_SILICON_DIOXIDE");
nistMat->FindOrBuildMaterial ("G4_AIR", buildIsotopes=false);
// build new materials from scratch
//
G4String gelSiElm[3]  = {"H", "O", "Si"};
G4int    gelSiAtom[3] = { 4,   4,   1};
G4double gelSiW[3]    = {0.0416, 0.6661, 0.2923};

std::vector<G4String> elm;
std::vector<G4int> atom;
std::vector<G4double> w;
for (G4int j=0; j<3; j++) { 
   elm.push_back(gelSiElm[j]); atom.push_back(gelSiAtom[j]);
   w.push_back(gelSiW[j]);
}

// by atom count
G4Material* Aerog =    
nistMat->ConstructNewMaterial ("gel_silicate1", elm, atom, 0.2);

// by mass fraction
nistMat->ConstructNewMaterial ("gel_silicate2", elm, w,    0.2);

// print G4MaterialTable
//
G4cout << *(G4Material::GetMaterialTable()) << G4endl;

// print additional informations
//
G4cout << " Nuclear interaction length of Aluminium: " 
       << Al->GetNuclearInterLength()/cm << " cm" << G4endl;
       
G4cout << " Nuclear interaction length of Lead: " 
       << Pb->GetNuclearInterLength()/cm << " cm" << G4endl;
              
G4cout << " Nuclear interaction length of Water: " 
       << H2O->GetNuclearInterLength()/cm << " cm" << G4endl;
       
G4cout << " Nuclear interaction length of Aerogel: " 
       << Aerog->GetNuclearInterLength()/cm << " cm" << G4endl;
                           
return EXIT_SUCCESS;
}