Fwd: Rendering 3D models over X session
Fwd: Rendering 3D models over X session
- Subject: Fwd: Rendering 3D models over X session
- From: "Alexander MacLennan" <email@hidden>
- Date: Mon, 23 Apr 2007 14:07:51 +0800
Thanks for the reply,
VTK supports backface culling, but forcing the parameter doesn't fix the problem.
The only machine that is having trouble displaying the 3d model is the iMac, other computers in my department running Linux have no issues. The application is being run from one computer, but displayed on others.
Does anyone know of any OpenGL rendering issues, or what rendering options I can control on the X11 Server running under OS X 10.4?
cheers
alex
---------- Forwarded message ----------
From: Thaddeus Thomas <email@hidden>
Date: Apr 23, 2007 5:15 AM
Subject: Re: Rendering 3D models over X session
To: Alexander MacLennan <
email@hidden>
Sounds like one of your graphics boards has 'back-face culling" (off) or has a "Z-buffer" or "Depth Buffer"
The application probably doesn't set the culling on cause who ever developed it probably didn't have that hardware feature.
Look into those terms and see what you can find.
Alexander MacLennan wrote:
> Hi,
>
> I am having problems with rendering objects over an X connection to my
> Linux box being displayed on an Apple iMac ( OS X 10.4 ). I'm using VTK
> (
http://www.vtk.org/) and Java wrappers to display the model.
>
> Has anyone on the list had issues with regions that should be
> culled/clipped appearing on the display that shouldn't be there? I.E
.,
> when viewing an object with volume, the other side of the object is also
> visible?
>
> The code is fine if I display the model on the local server or a remote
> linux workstation.
>
> I've put the screenshots on a web page to make my explanation clearer.
>
>
http://www.computing.edu.au/~maclenna/horse.html> <
http://www.computing.edu.au/~maclenna/horse.html>
>
> I don't think this is a VTK issue, as it works between Linux boxes over
> X without a problem.
>
> Has anyone came across this rendering (mis)behavior when using the OS X
> X11 Server before?
>
> Cheers
>
> Alex
>
>
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Thaddeus Thomas
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