OpenGL pick program

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The pick2.c program demonstrates the use of X overlay window on top of a RGBA, Doublebuffered and depthbuffered OpenGL Window to do picking. The program accepts two optional parameters which define the number of polygons in the x and y directions. The default is a 10x10 grid.

The Makefile is fairly straightforward.

The pick buffer is set to 2000 words which can pick about 600 items. To pick a larger region, modify the pick_buffer_size #define in pick2.c.

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a compressed tar image of the entire pick directory.
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