Re: LOD Range Processing

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John Rohlf (jrohlf++at++tubes)
Tue, 22 Aug 95 9:35:44 PDT

>
> I'm implementing a shell for the Performer LOD range setting but I'm having
> difficulty trying to map my distances to Performer's ranges. The
> documentations says LOD switching uses screen space, channel size and FOV to
> calculate the distance that will be used. I'd like to turn off this mapping
> or force Performer to use my distances rather than the clever algorithm it
> is using. I've tried to turn it off by setting
> pfChanLODAttr::PFLOD_FRUST_SCALE to 0, but that shuts off all LOD switching.
> Does anyone have the Performer LOD mapping algorithm or any suggestions?
>

        Unfortunately, FRUST_SCALE is completely broken in 1.2 as you
have found out. 2.0 has working FRUST_SCALE and other goodies as mentioned
by cct.

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