“Using CSG representations of polygons for practical point-in-polygon tests” by Walker and Snoeyink

  • ©Robert Walker and Jack Snoeyink

Conference:


Type(s):


Interest Area:


    Technical

Title:

    Using CSG representations of polygons for practical point-in-polygon tests

Session/Category Title:   Modeling


Presenter(s)/Author(s):



Abstract:


    A CSG representation for polygons is used to perform point-in-polygon tests and is compared to existing methods. It is far less memory-intensive than the grid method and faster than basic methods.

References:


    1 Eric Haines. Point in Polygon Strategies, In Paul S. Heckbert, ed., Graphics Gems IV, chapter 1.4, pp. 24-46, Academic Press, Boston, 1994.
    2 David Dobkin, Leonidas Guibas, John Hershberger, and Jack Snoeyink. An Efficient Algorithm for Finding the CSG Representation of a Simple Polygon, In John Dill, ed., Computer Graphics (SIGGRAPH ’88 Proceedings), volume 22, pp. 31-40, August 1988.


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