[osg-users] Creator/OpenFlight (.flt) Extended Materials pipeline question

Alexandre Vaillancourt alexandre.vaillancourt.list at gmail.com
Wed Jan 13 10:03:13 PST 2016

Hello all!

How do others work with the Extended Materials offered by

We've been lately interested in understanding Presagis Creator modelling
tool's Extended Materials feature. (Creator is used to manipulate
OpenFlight files (.flt), the extended materials have been added in version
16.3 of the .flt specifications.)

For a while now we've been using the software to make our models, but in
the last couple of years, our 3rd party artists have been pushing to add
more WOW to the models by using the Extended Materials feature.

As far as I know, the OpenFlight reader plugin does not understand what
those Extended Materials do, and I'm not yet knowledgeable enough of how
OSG works to decide and go ahead and update the plugin so that everyone
benefits from the new feature.

And from what I could see, it might not even be possible.

What I've thought, though was to extract the material data from the .flt
when doing the flt-to-osg conversion, and keep track where it was applied,
then when loading the OSG model in our software, load that data and apply
shader programs to the relevant nodes.


Alexandre Vaillancourt
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