Geometric tables - polygon tables, Computer Graphics

Geometric tables - Polygon Tables

1) Vertex table: Keep vertices' coordinates values in the object.

2) Edge table: Keep pointers back in to the vertex table for identification of the vertices related to all polygon edges.

3) Polygon table or polygon surface table:  Keep pointers back in the edge table for consideration of the edges associated to the polygon surface under construction.

This tabular representation of a polygon surface is demonstrated in Figure. Such representations assist one to rapidly refer to the data associated to a polygon surface. Also, while the data is put for processing then the processing can be fairly efficient, leading to efficient display of the object under identification.

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