Re: Color tables, iv files

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Jim Helman (jimh++at++surreal)
Wed, 01 Dec 93 12:26:22 -0800

  1. - How is EarthSky affected by enabling color table mode ?

pfEarthSky is not affected by pfColortables. It disables the mode
unless you have overriden it on. Instead you should try drawing
the earth sky in normal mode, but use the pfEarthSky API to set the
colors when you switch colortables for the rest of the scene.

  2. - What is the best way of attaching a color table to a loaded
        geometry node? How can one find out how big the colortable should
        be?

You can specify a pfColorTable in the pfGeoState for a pfGeoSet or
use the pre- and post- draw callbacks on a node to change and
restore the pfColortable for geometry underneath a node. The
colortable needs to be large enough to be indexed by the largest
color index stored in any pfGeoSets index array.
     
  3. - Is it possible to load iv files (Inventor geometry) into
  Performer (i.e. is there a loader for it) ? If not, will there
  be one in a later release?

An Inventor loader will be in the Performer 1.2 release.

rgds,

-jim helman

jimh++at++surreal.asd.sgi.com
415/390-1151

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