This part of ISO 10303 specifies the application module for non-shaded surface presentation, encompassing surface colour and wireframe-style visual attributes. The following are within scope of this part of ISO 10303:
— specification of visual attributes which may be assigned to curves belonging to surfaces;
— selection of specific curve types for wireframe-like presentaion of surfaces;
— specification of a mechanism of colour to surfaces.
The following are outside the scope of this part of ISO 10303:
— realistic presentation of surfaces;
— scientific visualization.