[quote]There is an important difference between the terms of faces and polygons in ViewBSP: Faces always denote those primitives (polygons) that are specified in the input file. That is, faces are polygons modeled by the user. Each face has material properties, color and texture, for instance. During BSP compilation faces need to be split, yielding polygons. Thus, polygons denote those primitives (polygons) which actually comprise the output model. In the output file, the term face is mainly used to refer to material properties shared by some polygons created by splitting their original face.
Once again: Input polygons are called faces and describe both material properties and actual geometry via vertex index-lists. Output polygons are called polygons but since some of them share the same properties, each polygon belongs also to a specific face. Aside from material properties, polygons being part of the same face also share the same normal vector (they all lie in the same plane!) and texture map parameterization.
[url=\"http://www.cg.tuwien.ac.at/~msh/vbspdocs/v_tech.html#ti_faces\"]http://www.cg.tuwien.ac.at/~msh/vbspdocs/v...h.html#ti_faces[/url][/quote]Statistics: Posted by Tibs — Mon Mar 27, 2006 12:45 pm
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