How to use the attribute:hemax_material and hemax_matid,
When I select the object in the scene with hda,
The materail just gone..

hemax_material should be a detial attribute that uses the following syntax for specifying a material:


For example if you had a material library with the name RockMaterials.mat and you wanted to use a material called RockInterior, the attribute should look like this:


The hemax_matid should be a primitive attribute that specifies the material ID for each face of the mesh.