Thanks
Not being too familiar with the software, perhaps there are settings that will
allow for higher accuracy - what would be the causes of inexactitude?

Alain <kua### [at] videotronca> wrote:

> > Hello
> > I was considering trying to use POV ray to compute illuminance values for a
> > solar energy system. Can the povray output be used to determine illuminance,
> > e.g. lumens/sqm or the like? Has anyone developed such methods?
> > Thanks
> > Jeremy
> >
> >
>
> In a way...
> Using the photons feature, you get acurate reflection of incomming light.
> If you use a standard image format, part of the illumination can easily
> get clipped. You can circumvent that using some high dinamic range
> format like HDR or EXR.
>
> If you place a screen at the correct place, you can get an image where
> the brightness is directly proportional to the illumination.
> Using the animation feature, you can have that screen move, giving you a
> serie of sampling planes.
>
> While the results may not be as acurate as you may want/hope, they will
> give you at least a reasonable estimate.
>
>
>
> Alain

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