State Problem

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RUS (daniela++at++vista.rus.uni-stuttgart.de)
Wed, 2 Jun 1999 15:14:51 +0000

Dear Performer Experts,

our VR application has a state problem in multipipe mode.

The VR renderer for scientific visualization dynamically
creates polygon/tristrip/line/point objects (isosurfaces,
cuttingsurfaces ...). Additionally it draws other geometry like
coordinate systems, menues and interactors. Some of the interactors
are loaded by the iv loader.

Sometimes suddenly the apperance of some of the objects changes on
one stereo eye.
For example on 3 windows of the CAVE objects are lighted
ambient and diffuse and for one window in one stereo channel
some of the objects appear only ambient.
Probably the material changes but it could be also the light source.

Each geoset has a full geostate with a front and back material
thus shouldn't inherit any state attributes.

Is there anybody who has similar experiences?
Thanks for any help
Daniela

P. S.: We have this problem on a Onyx2 IR, IRIX 6.4,
it happend with Performer 2.2 to 2.2.3.

-- 
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Daniela Rainer                       | email: rainer++at++hlrs.de
Rechenzentrum Uni Stuttgart (RUS)    | http://www.hlrs.de/people/rainer/
Allmandring 30a, 70550 Stuttgart     | Tel:   +49 (0) 711 685 5837
GERMANY                              | Fax:   +49 (0) 711 682 357

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