Trk::GeoMaterialConverter Class Reference

A Simple Helper Class that convertes the GeoMaterial object used in GeoModel full detector description to an appropriate Trk::ExtendedMaterialProperties object. More...

#include <GeoMaterialConverter.h>

Collaboration diagram for Trk::GeoMaterialConverter:

Public Member Functions
	GeoMaterialConverter ()=default
	Default constructor.
	~GeoMaterialConverter ()=default
	Destructor.

Static Public Member Functions
static Material	convert (const GeoMaterial *gm)
	Single conversion , input type GeoMaterial - output type Trk::MaterialProperties.
static bool	dummy_material (const GeoMaterial *)
	hardcoded dummy materials : TODO : find generic criterium ( density ?

Detailed Description

A Simple Helper Class that convertes the GeoMaterial object used in GeoModel full detector description to an appropriate Trk::ExtendedMaterialProperties object.

Author

Andre.nosp@m.as.S.nosp@m.alzbu.nosp@m.rger.nosp@m.@cern.nosp@m..ch

Definition at line 30 of file GeoMaterialConverter.h.

Constructor & Destructor Documentation

GeoMaterialConverter()

Trk::GeoMaterialConverter::GeoMaterialConverter ( )

default

Default constructor.

~GeoMaterialConverter()

Trk::GeoMaterialConverter::~GeoMaterialConverter ( )

default

Destructor.

Member Function Documentation

convert()

Trk::Material Trk::GeoMaterialConverter::convert ( const GeoMaterial * gm )

static

Single conversion , input type GeoMaterial - output type Trk::MaterialProperties.

Definition at line 18 of file GeoMaterialConverter.cxx.

                                                                  {
    // get the obvious things
    float x0 = gm->getRadLength();
    float l0 = gm->getIntLength();
    float rho = gm->getDensity() * s_densityCnvFactor;
    // float dEdX = gm->getDeDxMin();
    float A = 0.;
    float Z = 0.;
    // get the number of elements that build the material
    int numberOfElements = gm->getNumElements();
    // loop over the elements
    for (int iEl = 0; iEl < numberOfElements; iEl++) {
        const GeoElement* geoEl = gm->getElement(iEl);
        float fraction = gm->getFraction(iEl);
        A += fraction * (geoEl->getA() / (GeoModelKernelUnits::gram));
        Z += fraction * (geoEl->getZ());
    }
    // return the result
    return {x0, l0, A, Z, rho};
}

dummy_material()

bool Trk::GeoMaterialConverter::dummy_material ( const GeoMaterial * mat )

static

hardcoded dummy materials : TODO : find generic criterium ( density ?

radiation length ? )

Definition at line 39 of file GeoMaterialConverter.cxx.

                                                                   {
 
    bool dummyMat = false;
 
    const std::string& matName = mat->getName();
 
    if (matName == "special::Ether")
        dummyMat = true;
    if (matName == "WorldLog:Air")
        dummyMat = true;
    if (matName == "std::Air")
        dummyMat = true;
    if (matName == "Air")
        dummyMat = true;
 
    return dummyMat;
}

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The documentation for this class was generated from the following files:

• GeoMaterialConverter.h
• GeoMaterialConverter.cxx