Hi Paul

FYI from memory its been a while and I'm get old ;), the Relative priority
if OFLT was matched to Vega Prime to basically help with sub facing in
Creator and doing runway markings etc by using the RP to do offsetting to
aid stopping the Z fighting that can happen when just using the GL offset
mechanism, and in fact VP did use local render bins for this under the hood,
so not as old as you might think ;) , so a lot of VP/Creator users still use
this a lot




__________________________________________________________
Gordon Tomlinson 

Email   : [EMAIL PROTECTED]
YIM/AIM : gordon3dBrit
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Website : www.vis-sim.com www.gordontomlinson.com 

__________________________________________________________
"Self defence is not a function of learning tricks 
but is a function of how quickly and intensely one 
can arouse one's instinct for survival" 
-Master Tambo Tetsura 


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Paul Martz
Sent: Tuesday, January 08, 2008 9:19 AM
To: 'OpenSceneGraph Users'
Subject: Re: [osg-users] Relative Priotiy RenderBin

Conceptually, FLT relative priority and OSG RenderBin numbers are a good
match.

In practice, most FLT files I've seen that use relative priority are
designed for rendering on old display systems that lack depth buffers. OSG
relative priority alone is not sufficient to support "painter's algorithm"
rendering.

Paul Martz
Skew Matrix Software LLC
http://www.skew-matrix.com
303 859 9466


> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of 
> Joakim Simonsson
> 
> Hi!
> 
> I am looking for a way to specify the renderbin index in the flt 
> format, to prevent transparent artifacts. While studying the help 
> files from MultiGen Creator, I found that there is one property on 
> Object basis that defines a "Relative Priority". Quote:
> 
> "Some functions, such as Fixed List drawing and the rendering of face 
> transparency, use the order of nodes in the database traversal to 
> determine the final appearance of the Graphics view. This order can be 
> changed using relative priority."
> It seems that the relative priority does the same as osg's renderbin 
> index.
> 
> If nobody here has anything against this, I would be happy to modify 
> the flight reader, so the "Relative Priority" sets the renderbin 
> number.
> 
> Comments?
> 
> --
> Joakim Simonsson
> _______________________________________________
> osg-users mailing list
> [email protected]
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-opensce
negraph.org

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