MIRA-3D: A three-dimensional graphical extension of pascal

MIRA-3D is a three-dimensional graphical extension of Pascal based on abstract graphical types. The user may define and manipulate complex 3D objects, as well as image transformations. Viewing transformations and attributes are compatible with the ACM GSPC Core System. A large set of graphical primitives are available and the paper discusses the most important ones. Portability has also been an important criterion in implementation.