Defines the material shading model
siShadingModel.siUndefinedShadingModel // -1 siShadingModel.siShadingModelConstant // 0 siShadingModel.siShadingModelLambert // 1 siShadingModel.siShadingModelBlinn // 2 siShadingModel.siShadingModelPhong // 3 siShadingModel.siShadingModelShadow // 4 siShadingModel.siShadingModelColorVertex // 5 |