Hi Garry,
To give decent framerates the OpenFlight loader performs some
optimizations by default.
You can turn it off with the preserveFace and preserveObject reader options.
Here is a list of reader options for the OpenFlight loader.
http://www.openscenegraph.org/osgwiki/pmwiki.php/KnowledgeBase/OpenFlight
To use reader options with the osgviewer use the -O argument like this.
osgviewer -O "preserveFace dofAnimation billboardCenter dds_flip
noTextureAlphaForTransparancyBinning" test.flt
btw. I have come across a couple of dds textures the dds loader
doesn't handle correctly.
Regards,
Brede
2006/11/16, Garry Keltie <[EMAIL PROTECTED]>:
Hi
This subject seems to be well documented in the archives, app usage and
the codebase.
However, I am using windows and have tried:
set OSG_OPTIMIZER="OFF"
set OSG_OPTIMIZER=OFF
set OSG_OPTIMIZER=""
as the variations I can find to turn all optimisation operations off.
With a debug notification set, my OpenFlight file still undergoes all
the standard optimisations with osgViewer.
I'm specifically concerned about the replacing of duplicate TexEnvs as I
have 6 textures (dds dx1 format) and 6 texture mappings. These all
appear as expected in Creator but somehow get crunched by the optimiser.
Even the texture mapping/texture that is left is rotated from its
original setting.
What's interesting is this is a fairly normal operation for me - except
for the use of the dds image format. I can see (printed) all the
textures being found and loaded - then somehow treated as duplicates.
I would like to turn all optimisation off to test what is happening but
the bugger keeps on doing it. Any ideas on what is going on? Any other
tricks I should be looking out for? (Gladly accepted) Oh... yes, I do
know I by default use an 's', my variables are definitely with a 'Z'
Garry
--
Garry Keltie
garry. @rmit. .au
keltie edu
VR Centre - Research & Innovation
RMIT University
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