Alias/Mipmap

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Smith, James L. (smithjl2++at++eglin.af.mil)
Thu, 16 Oct 1997 14:28:00 -0500

SGI Info:

I work with a group using SG's Onyx 2 /Reality Engine for real-time
simulation at the Guided Weapons Evaluation Facility (GWEF) at Eglin AFB
in Florida. Operating software uses IRIS Performer with IRIX.
Questions arose when choosing the minification filter in Multigen for
textured terrain. A bilinear, non-mipmapped scene showed considerable
scintillation (alias) when moved. When they chose the "none" option, a
scene without alias and quite good response time developed.
The guys don't know what "none" is. They determine it selects
Performer's default setting.

Question: what is "default" regards filtering and mipmapping with the
stated equipment. I feel default does mipmapping and at least point
sampling. Your opinion?
Lynn Smith
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