[Radiance-general] using rpict like a range scanner

[Greg Ward]

> From: Tarik Rahman <tarik.rahman at ed.ac.uk>
> Date: September 13, 2004 8:13:36 AM PDT
>
> Hi
> When using rpict -z to get pixel distances, are these distances the 
> distance
> from viewpoint until it hits the first object, just like a laser range 
> scanner?

Yes, unless you have assigned a fore clipping plane (-vo option), in 
which case it is the distance from this plane (which may be a cylinder 
or a sphere for the -vtc, -vta and -vth options).

-Greg