hi everyone, Recently,i have some troubles with drawing complex polygon.These polygons contains Convex polygon ,concave polygon.Sometimes the polygon contains holes in it. I only know how to draw them using Opengl,there two methods: 1 using glEdgeFlag() 2 using gluTessCallBack gluTessBeginPolygon... But these methods have some problems,they all draw points one by one,they don't use vertexs array. And I also don't know how to draw them using Osg and i don't konw whether osg has provided us with Convex decomposition Algorithm. Any help would be appreaciated. Thanks, Yang
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