Surfaces

Surfaces can be sculptured, knuckled or planar and are stored in a surface world (with element name SSOWLD). The surface world can be linked to a space that will automatically limit all the surfaces that are created in this surface world.

Each surface is stored with a definition and an instance (containing the actual geometry of the surface). The surface data structure is presented below.

Knuckled and planar surfaces are named polyface surfaces within this document.