Abstract
In the first half of the paper, various types of processing pertaining to a polygon, using the 4×4 determinant theories are explained along with a new containment test algorithm of a point in a polygon. In the latter half of the paper, a general-purpose geometric processor, the POLYGON ENGINE, is presented which can deal with various types of interference problems, such as Boolean operations in solid modelling, hidden line and surface eliminations, ray tracing and so on. It is, a successor of the TRIANGLE PROCESSOR and is also based upon the 4×4 determinant theories [4–6]. While the TRIANGLE PROCESSOR processes a triangulated polygon on a triangle-by-triangle basis, the POLYGON ENGINE can treat a polygon without triangulation. The latter is expected to be more functional, more efficient and easier to use.
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Yamaguchi, F., Tsuda, S. & Nagasaki, T. Applications of the 4×4 determinant method and the POLYGON ENGINE. The Visual Computer 4, 176–187 (1988). https://doi.org/10.1007/BF01887590
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DOI: https://doi.org/10.1007/BF01887590