20#ifndef BASE_VGM_V_MEDIUM_H
21#define BASE_VGM_V_MEDIUM_H
The ABC for tracking medium.
VGM::IMaterial * fMaterial
virtual VGM::IMaterial * Material() const
Return its associated material.
static const int fgkParamSize
virtual int NofParameters() const
Return the number of defined parameters.
The VGM interface to materials.
The VGM interface to tracking medium.