[eq-dev] frustum for 2D-texture?

[Stefan Eilemann]

Hi,

On 6. Apr 2011, at 9:18, shaakni [via Software] wrote:

> Using osgScaleViewer, I render a 2D texture that fit to my screen size (1280 * 1024). 
> My window is having the viewport relatively [0 0 1 1]. 
> But I m not sure what values need to be given for setting frustum i.e., wall { ... } so that the texture 
> get rendered in original resolution on the screen?

For 2D operations you want to set up a 2D orthographic relative to the *view*. Have a look at eqPly::Channel::_drawOverlay for an example.


Cheers,

Stefan.



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