Re: [osg-users] Need help regarding rendering to a texture

2009-08-23 Thread J.P. Delport
Hi, just uncomment the line: mPreRenderCamera->setComputeNearFarMode(osg::Camera::DO_NOT_COMPUTE_NEAR_FAR); jp Brett Thomas Lee wrote: Hi, Here I attached another quad at some distance but Im unable to see the projection of one quad over the other.I am unable figure the reason why I dont se

Re: [osg-users] Need help regarding rendering to a texture

2009-08-23 Thread J.P. Delport
Hi, Brett Thomas Lee wrote: Hi again thank you Mr. delport for spending your time.I have a last and final question. setProjectionMatrixAsOrtho() is not working in the code.can you please tell me the reason for that please. It is working, OSG just by default automatically computes near and far

Re: [osg-users] Need help regarding rendering to a texture

2009-08-20 Thread J.P. Delport
Hi Brett, problem seems to be that lighting was on in your RTT camera. See attached. I added geode->getOrCreateStateSet()->setMode( GL_LIGHTING, osg::StateAttribute::OFF); Also be aware of the way OSG blends your RTT texture with your final geometry. OSG defaults to GL_MODULATE. Search h

Re: [osg-users] Need help regarding rendering to a texture

2009-08-19 Thread J.P. Delport
Hi, what do you get on screen with the code I attached? Should be a red square. What is your desired output? jp Brett Thomas Lee wrote: Hi, Thank you very much for the reply.Even though i changed those two things im unable get my desired output. -- Read this topic onli

Re: [osg-users] Need help regarding rendering to a texture

2009-08-19 Thread J.P. Delport
Hi, fix attached. There is no magic here, you should have been able to find out the problems by looking at the osg examples. You forgot to attach the prerender camera to you main scene. Also, the prerender camera usually operates in the default OpenGL coord system, ie z coming out of the scr

Re: [osg-users] Need help regarding rendering to a texture

2009-08-18 Thread Robert Osfield
Hi Brett, Perhaps others can devine what is going wrong in your code, I'm afraid I have way too much of work backlog to go reviewing uncommented application code. If you want others to help you'll want to explain what you are trying to achieve, and what artifacts you are getting. Robert. On Mon

Re: [osg-users] Need help regarding rendering to a texture

2009-08-17 Thread Robert Osfield
Hi Brett, Your email doesn't really provide enough details to help you. For pre-render examples have a look at osgprerender or osgprerendercubemap. Please note the viewer level Camera controls what the overall scene looks at, the viewer doesn't need a CameraManipulator though, you can set the vi