Hi Sebastian,
[EMAIL PROTECTED] wrote:
>
> Thank you for this link - i tried the grabForeground-method and it worked
> well.
> What i still need (i didnt say that) is for every pixel a depth-value to
> reconstruct the (almost) exact position in world-coordinates after
> applying the image-processing. That was the reason i considered using
> shaders to keep the depth values in a texture or something...
> If i understand you right this is also what you suggest to do.
>
You can use another GrabForeground to grab depth, too. It's a hack (you
need to set the Image's format to
*GL_DEPTH_COMPONENT before grabbing, and back to OSG_L_PF, OSG_I_PF or OSG_A_PF
afterwards), but for a quick test it should work. But using an FBO is a much
cleaner and especially if you want to do it interatively, much faster option.
Yours
Dirk
*
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