Re: [osg-users] Draw Order/Culling with OpenFlight and Transparency

2011-02-24 Thread Tomlinson, Gordon
Order/Culling with OpenFlight and Transparency Thanks for the suggestion, Chuck. I've tried this, and do not observe any appreciable improvement in rendering. I should point out that while the images I provided highlight the main rotor disc as the offending geometry, there are numerous

Re: [osg-users] Draw Order/Culling with OpenFlight and Transparency

2011-02-24 Thread Andreas Ekstrand
...@lists.openscenegraph.org [mailto:osg-users-boun...@lists.openscenegraph.org] *On Behalf Of *Murray G. Gamble *Sent:* Wednesday, February 23, 2011 2:37 PM *To:* OpenSceneGraph Users *Subject:* Re: [osg-users] Draw Order/Culling with OpenFlight and Transparency Thanks for the suggestion, Chuck. I've

Re: [osg-users] Draw Order/Culling with OpenFlight and Transparency

2011-02-23 Thread Chuck Seberino
Murray, Your rotor is being placed in the Opaque render bin, which is causing all of the geometry behind it to be culled out. You need to make sure it is in the transparent bin. You should add these to the stateSet of the rotors:

Re: [osg-users] Draw Order/Culling with OpenFlight and Transparency

2011-02-23 Thread Murray G. Gamble
Thanks for the suggestion, Chuck. I've tried this, and do not observe any appreciable improvement in rendering. I should point out that while the images I provided highlight the main rotor disc as the offending geometry, there are numerous other geometry elements (e.g., windows) that cause

Re: [osg-users] Draw Order/Culling with OpenFlight and Transparency

2011-02-23 Thread Robert Osfield
Hi Murray, The OpenFlight format is pretty crap when it comes to identifying which objects should be treated as opaque or transparent. The OSG has to do a best guess based on an alpha values present in colour or textures. It could be that your model is being treated as completely transparent so

Re: [osg-users] Draw Order/Culling with OpenFlight and Transparency

2011-02-23 Thread Simon Hammett
On 23 February 2011 19:37, Murray G. Gamble mgam...@connect.carleton.cawrote: Thanks for the suggestion, Chuck. I've tried this, and do not observe any appreciable improvement in rendering. I should point out that while the images I provided highlight the main rotor disc as the offending

Re: [osg-users] Draw Order/Culling with OpenFlight and Transparency

2011-02-23 Thread Murray G. Gamble
No. nVidia GTX480... On 2011-02-23, at 4:13 PM, Simon Hammett wrote: On 23 February 2011 19:37, Murray G. Gamble mgam...@connect.carleton.ca wrote: Thanks for the suggestion, Chuck. I've tried this, and do not observe any appreciable improvement in rendering. I should point out that