DLG4::VolumeBuilders::Helpers Namespace Reference

Classes
class	G4MaterialPtrOrString

Functions
G4Material *	GetMaterial (const G4String &materialName)
G4Element *	GetElement (const G4String &elementName)
G4Material *	CopyMaterial (G4MaterialPtrOrString source, const G4String &name, G4double dens, Density unit)
G4Material *	CopyMaterial (G4MaterialPtrOrString source, const G4String &name)

Function Documentation

CopyMaterial() [1/2]

G4Material * CopyMaterial	(	G4MaterialPtrOrString	source,
		const G4String &	name
	)

Copy a G4Material to one with a new name.

Definition at line 61 of file MaterialsHelpers.cc.

                                                                                 {
        const G4double dens = source->GetDensity();
        const auto dest = CopyMaterial(source, name, dens, Density::native);
        return dest;
    }

CopyMaterial() [2/2]

G4Material * CopyMaterial	(	G4MaterialPtrOrString	source,
		const G4String &	name,
		const G4double	dens,
		const Density	unit
	)

Copy a G4Material to one with a new name, and change its density.

Definition at line 51 of file MaterialsHelpers.cc.

                                                                                                         {
        const double dens_with_unit = dens * unit.Native();
        constexpr int n_components = 1;
        constexpr G4double fraction_mass = 100 * CLHEP::perCent;
        const auto dest = new G4Material(name, dens_with_unit, n_components);
        dest->AddMaterial(source, fraction_mass);
        return dest;
    }

GetElement()

G4Element * GetElement

(

const G4String &

elementName

)

Definition at line 31 of file MaterialsHelpers.cc.

                                                       {
        // Check the GIlobal Element Table first
        G4Element *el = G4Element::GetElement(elementName, false);
 
        if (el) {
            return el;
        }
 
        // Fallback to NIST manager for standard elements
        G4NistManager *nist = G4NistManager::Instance();
        el = nist->FindOrBuildElement(elementName);
 
        if (!el) {
            G4Exception("GeoModulesContext::GetElement", "ElementNotFound",
                    FatalException, ("Could not find element: " + elementName).c_str());
        }
 
        return el;
    }

GetMaterial()

G4Material * GetMaterial

(

const G4String &

materialName

)

Get material by local or NIST name.

Parameters

materialName

Returns

Definition at line 10 of file MaterialsHelpers.cc.

                                                          {
        // Check local material store (materials already created/defined)
        // 2nd parameter is warn if missing.
        G4Material *mat = G4Material::GetMaterial(materialName, false);
 
        if (mat) {
            return mat;
        }
 
        // Fallback to NIST manager
        G4NistManager *nist = G4NistManager::Instance();
        mat = nist->FindOrBuildMaterial(materialName);
 
        if (!mat) {
            G4Exception("GeoModulesContext::GetMaterial", "MatNotFound",
                    FatalException, ("Could not find material: " + materialName).c_str());
        }
 
        return mat;
    }