Slashdolt wrote:
>>
>
>I still don't feel I'm explaining this very well.  Maybe if I said something
>like, "To some extent, it's like radiosity coming from a photograph rather
>than from a light source bouncing off 3D objects in a completely rendered
>scene."
>
>Slash
>

Well, I haven't tried it yet, so I may be completely wrong, but if I
understand what I've seen here, both in comments and in images, the HRDI
image IS the light source.  That requires an image with higher values than
1.

Best example I can think of is in my frozen moment IRTC entry
(http://www.irtc.org/ftp/pub/stills/2002-12-31/hang_rg.jpg) I use a
terragen image as a background. I also had to use a lightsource with a fade
power of about 10 to get the light on the foreground to look right, not to
mention the time I spent getting it positioned to look right.  If I had
used an HRDI image I wouldn't have had to add the light source, the HRDI
image would take care of that and it would be right where it belonged.

And that is pretty much what I understand its intended for. Unfortunately,
the patch came out about three days after I submitted it or I probably
would have tried it, since it looks like terragen supports this with a
plug-in... :)

RG

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