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Generalized barycentric coordinates on irregular polygons. (English) Zbl 1024.68109
Summary: We present an easy computation of a generalized form of barycentric coordinates for irregular, convex $$n$$-sided polygons. Triangular barycentric coordinates have had many classical applications in computer graphics, from texture mapping to ray tracing. Our new equations preserve many of the familiar properties of the triangular barycentric coordinates with an equally simple calculation, contrary to previous formulations. We illustrate the properties and behavior of these new generalized barycentric coordinates through several example applications.

##### MSC:
 68U05 Computer graphics; computational geometry (digital and algorithmic aspects)
##### Keywords:
barycentric coordinates; convex $$n$$-sided polygons
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