Hi Patrik,
as I already said the difference is the z write transparency option in
the render action. If you turn it on your example file looks ok, but
this won't solve the face sorting problem.
Andreas
Hi Andreas,
yes - thats clear - but again: if I load the file in your VRED it looks ok
even with BlendChunk - why not in the standard viewer? It's a bit confusing
seeing the same file in one application ok and in the "standard" application
false - where should people normally seeking the error?
Greets and thanks for the help,
Patrik
-----Ursprüngliche Nachricht-----
Von: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Im Auftrag von Andreas
Zieringer
Gesendet: Mittwoch, 29. Dezember 2004 10:40
An: [email protected]
Betreff: Re: AW: [Opensg-users] Problems with Chunkmaterial
Hi Patrik,
just remove the BlendChunk from the material.
Andreas
Hi,
sorry seems I've sent you the wrong file! The cube should look solid
like in VRED - but not in the normal viewer??
Greets,
Patrik
-----Ursprüngliche Nachricht-----
Von: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Im Auftrag von
Andreas Zieringer
Gesendet: Dienstag, 28. Dezember 2004 19:25
An: [email protected]
Betreff: Re: [Opensg-users] Problems with Chunkmaterial
Hi,
as a default I enable the z write transparency option in the render
action this doesn't solve the problem but looks a bit better.
render_action->setZWriteTrans(true);
For a nice transparent cube without face sorting I would add a polygon
chunk with backface culling enabled. I attached the modified file.
Andreas
Hi Patrick,
On Tue, 2004-12-28 at 07:59, Patrik Müller wrote:
Hi all,
I've got a strange effect with the OpenSG Sceneviewer and VRED
0.95beta. If I display the attached file with VRED everything looks
ok. Displaying it with the OpenSG viewer I see some visual artefacts.
Where's the difference?
Hmm, interesting. You have a single concave object (a cube) that is
transparent. To render that without artefacts from nay viewpoint you
have to sort the faces individually, which OpenSG doesn't do (yet),
and AFAIK Vred doesn't do that either, so I'm a little confused.
Andreas, do you do anything special in Vred?
Dirk
--
Andreas Zieringer [EMAIL PROTECTED]
Fraunhofer IGD - A4 phone +49 (0)6151 155 289
Fraunhoferstr. 5 fax +49 (0)6151 155 196
D-64283 Darmstadt www.igd.fhg.de/www/igd-a4
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