Toward Interactive Color-Shaded Rendering in CAD
by Michael J. Wozny, Rensselaer Polytechnic Inst, Cent, for Interactive Computer Graphics, Troy, NY, USA,Edward Falk, Rensselaer Polytechnic Inst, Cent, for Interactive Computer Graphics, Troy, NY, USA,
Document Type: Proceeding Paper
Part of: Computer Aided Design in Civil Engineering
Abstract:
A software package (CATSIG) is described which allows the user to interactively color shade geometric objects created on a sophisticated commercial CAD system (CATIA). The novel features include the ability to interactively change colors, position light sources to achieve desired reflections and rotate color shaded objects. Reasonable performance was obtained by encoding certain rendering algorithms in microcode. However, hardware accelerators will be needed to provide the degree of interaction required in CAD applications.
Subject Headings: Computer aided design | Computer software | Graphic methods | Computing in civil engineering | Terminology and definition | Rotation | Interactive systems
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