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Thank for your reply. Where is the message in which Jamie describes this
technique> I must have missed it.
But to be clear, if I put a plane on the Y axis beyond my object, I should
still be able to use the illumination from the map even if the map image is
not showing in my scene?
thanks again,
D.
"Gilles Tran" <git### [at] wanadoo fr> wrote in message
news:3e162bfa@news.povray.org...
> 3e15d35a$1@news.povray.org...
> > file? In other words, does the placement of the HDR file in the scene
act
> > exactly like a light-emitting source? That's the part I don't quite get.
> > In effect, the probes I have used are of a campus, a beach, a kitchen,
> etc.
> > and you can always see some part of that original scene in the POV
scene.
> > I'd like to "sample" the illumination of the HDR file but leave the
> kitchen
> > (or the beach) out of my own picture.
>
> Well, HDR maps really behave like any other map apart the high range stuff
> (mildy reflective objects will show proper highlights, radiosity effects
> will be more natural-looking etc.). I don't see a way to use only the
> illumination but not the image itself, apart carefully setting up the
scene
> so that the HDR map doesn't show up in the frame and the non-HDR parts
shown
> are consistent with the rest of the lighting (the sort of trick we use
with
> regular maps). And no_image only works for the reflective parts, not the
> illumination itself (just checked...). Possibly the best would be to use
> Jaime's trick, setting up a complete scene and then using it as a map with
> the "fake HDR" method(s) he describes.
>
> G.
>
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