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"Rohan Bernett" <rox### [at] yahoocom> wrote in message
news:web.3db4b7d5ee9636d518ccf4f70@news.povray.org...
> I've just tried using light groups and negative rgb values for the lights,
> and it does work. The problem with what I was trying, was that I didn't
> realise at the time was that the dark spots (from the texture used) would
> obscure parts of the lower sphere.
Got to use a widespread transparency if the image doesn't have sharp
boundaries of color.
> "transparent_light" - keyword for using transparent light
>
> transmit/filter - transparency method to use
>
> 0,1 - transparency for no light, full brighness (e.g. 0.5,0.9 gives 50%
> transparency in full darkness, and 90% transparency in full light)
Interesting idea, yeah. Same thing for shadows might also be useful. At
least I can't think of any reasons for not having such a feature, at the
moment anyway.
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