[Radiance-general] Shadow above highlight?

Thomas Bleicher tbleicher at googlemail.com
Fri Aug 14 01:58:25 PDT 2009


On Fri, Aug 14, 2009 at 12:44 AM, Greg Ward <gregoryjward at gmail.com> wrote:
>
> Hi John,
>
> I spent a little time looking at your model, and there are some irregularities that I'm not sure are intentional.  Specifically, I rendered a view from the darker region of the ceiling looking down like so:

[...]

> The light patch is the one seen at the bottom of your original view, but the dark patch below it (actually towards the camera in your first view) is peculiar.  It appears to be an opening, where light goes but does not return.  Was this what you meant to do?  Are you radiosity calculations OK with this?  Infinite rays may cause some oddities in the interpolation, which I think is at least part of what we are seeing in the 10-20% level drop in the dark patch on the ceiling.


The dark patch should be the window opening. The ground glow has been removed
from the sky description so you look into the ...

... cold dark void. [cue flash and rolling thunder]

Thomas ;)



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