[osg-users] Transparency problem

André Rocha kekojeep at gmail.com
Fri Oct 19 05:20:16 PDT 2007


So the solution to the transparency sorting problem is simply to separate
the objects with transparency and those without? In example, I have a
opaque  building with transparent windows in one single object, so I need to
make the windows a separate object before exporting?

[ ]´s

2007/10/18, Christophe Medard <christophe.medard at oktal.fr>:
>
> For your information my problem of transparency was dut to a point
> graphists
> must be careful of in 3DSMax :
> the OSGEXp exporter places a drawable or a geode in the TRANSPARENT_BIN as
> soon as at least one face has transparency.
> It's a perfeclty reasonable behaviour.
>
> In my case, trees (transparent) and some terrain (opaque) parts were in
> the
> same object : that give rise to sorting problems between the trees and the
> very parts of terrain. Having the graphist look over and rectify it, the
> order of rendering is perfect now.
>
> Thanks to Robert for pointing out that direction of verification !  ;)
>
> --
> Christophe Médard
> Société OKTAL (http://www.oktal.fr)
> 2 impasse Boudeville
> 31100 Toulouse (France)
> Tél. : (+33) 5 62 11 50 10
> Fax : (+33) 5 62 11 50 29
>
>
>
> ----- Original Message -----
> From: "Robert Osfield" <robert.osfield at gmail.com>
> To: "OpenSceneGraph Users" <osg-users at lists.openscenegraph.org>
> Sent: Friday, September 28, 2007 9:34 AM
> Subject: Re: [osg-users] Transparency problem
>
>
> Hi Christophe,
>
> I have seem problems like in your screenshot when items like roads and
> grass are placed incorrectly into the transparent bin, or the items
> like the trees are placed in the opaque bin.
>
> Robert.
>
>
> _______________________________________________
> osg-users mailing list
> osg-users at lists.openscenegraph.org
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>



-- 
André Rocha Tomasi
GRV - Virtual Reality Group
PUCRS - Projeto Aeromóvel
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