Re: [osg-users] Cylindrical Display for OSG?

2011-08-12 Thread Esim Takleef
Thanks a lot for the response. I looked into osgDistortion where they applied the RTT. What I don't understand is where/how they are applying the texture in createDistortionSubgraph. What part of the code is causing the image to stretch at the edges? I don't see it grabbing a particular

Re: [osg-users] Cylindrical Display for OSG?

2011-08-11 Thread Torben Dannhauer
Hi, Using many cameras is only a workround. To get accurate rendering results you need a real distortion of the rendered image. Osgdistortion is a nice example. Basically you have two options: Distort you rtt pass on a per pixel basis with a shader, or apply the rtt result on a mesh and

[osg-users] Cylindrical Display for OSG?

2011-08-10 Thread Esim Takleef
Hi, I'm really new to OSG and I've inherited a project for it. Actually, that's the reason I'm new to it. =/ The problem I'm debugging at the moment has to do with taking the scene, and projecting it to a curved surface. I'm using 3 projectors with edge-blending. I see some really ugly