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[Q/HELP] Using the Z-buffer
| [Q/HELP] Using the Z-buffer [message #6649] |
Wed, 17 July 1996 00:00 |
Tim Patterson
Messages: 65
Registered: October 1995
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There isn't really much in depth discussion in the IDL manuals
(including on-line help and the Training manuals) about using
the Z buffer to perform hidden line removal.
What I would like to do is something similar to the example
of the vector cube within the training manual, but create
a vector sphere instead (which i will later have to upgrade
to an oblate sphere as I want to use it to represent a
planetary body, and perhaps wrap actual image data onto it).
Does anybody have code for creating more complex vector objects
than the simple cube, using the Z-buffer to remove hidden lines?
It may be that what I need is some more decription of how
Z-buffers work in general and how 3D objects should be specified,
so if anybody knows of a useful reference on the subject outside
of IDL, that would also be helpful.
Thanks
Tim Patterson
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