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Issues arising in the graphics simulation of bone grafting and in the use of commercial libraries to create custom-designed models revolve on the ability to combine data defined in Volume Representation--as that generated by Computed Tomography scans--and user-defined data introduced in Boundary Representation--as vertices of polygons, for instance. To(More)
The higher-level graphics language LIG has now been operational for over two years. The language has proven to be easy to learn and easy to use, as attested by a number of programmers. Through its use, many improvement possibilities of the syntax and the supporting subprogram system have shown up. The experimental design of a higher-level special purpose(More)