[vtkusers] Z-buffer to Depth: formula

[Dženan Zukić]

0 corresponds to near clipping plane, and 1 corresponds to far clipping
plane. If you know the distance of both you can do linear interpolation.
Someone correct me if I am wrong.

On Fri, Dec 9, 2011 at 07:41, Atul Kumar <sharmaatul11 at gmail.com> wrote:

> Thank you so much David. I will try vtkRenderer::ViewToWorld().
>
> To Dev
>
> vtkRenderer::GetZBufferData() gives us the depth map values which ranges
> from 0 to 1, so it is not the actual depth value at the pixels. To get the
> actual depth at pixels we need to convert Z-buffer into actual depth
> values. So, for this we need a conversion formula. I hope this makes it
> clear.
>
> Regards,
> Atul
>
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