in news:3d736db0$1@news.povray.org Oliver Tilch wrote:

> Is it feasible to misuse the raytracer to get  photocell output
> values for defined scenes, rather than camera images?

Oliver,

I'm not quite sure I understand what you want to achieve, so here's wild 
guess on what could be done.

Assuming you have an optical system that is some kind of 
imaging/projection device and the light from it falls on the photocell. 
The photocell will give a voltage depending on the amount of energy it 
receives. 
If this is what you want to simulate, you can build the whole setup in 
POV-Ray, using photons. Instead of projecting on a photocell you project 
on a white plane. Now set up the camera to only render an image of the 
plane. You can average the brightness of all the pixels in the resulting 
image, that could be something comparable with a voltage from a 
photocell.
Note that POV-Ray does not simulate realistic, absolute, light 
intensities.

Ingo

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