>using CATIA V5.
This is a CAD program and not a modeller, so while you can use it, it
is not what CATIA was created for.
I guess that CATIA does things without polygons internally and uses
splines, solid objects, booleans etc instead. Probably it just creates
polygons from it ("tesselates/polygonises") when you export to wrl. Of
the formats you mentioned, wrl is best. Using another format would not
make it faster at all. That you see something in FGFS means it is
polygonised in the wrl file, as it should be. Like the others said,
the problem is the number of polygons it created. I would guess that
at some stage, probably during export, it creates the polys from the
splines etc and normally it should ask you how fine the mesh should
be. This is where you choose rendering speed in FGFS!
>This means if the fuselage is 2m in diameter, I want the model to
>have a 2m diameter fuselage as well!
This can be done in any serious modeller.
>http://members.optusnet.com.au/~tjelliffe/Learjet55.jpg
Nice.
>The problem is that CATIA works with surfaces, as you can see in the pic,
>but things like blender and ac3d seem to use nodes.
?
>This makes it hard to convert into .ac format.
Converting to ac would not make it faster.
BTW, if you look at one airplane close up, LoD would not help either.
That is not to say you should not model LoDs later (you should ;-)),
but first solve the current problem.
Try to find out the number of polygons in the wrl. One way is to get
PPE (PrettyPolyEditor) and load the model nd then look into the
conolse window.
>Tim J
Bye bye,
Wolfram.
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