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On Mon, 21 Jun 2010 17:40:58 +0200, stbenge <myu### [at] hotmail com>
wrote:
> Nekar Xenos wrote:
>> I tried putting an hdr render of this scene through the luminous bloom
>> code and I got rather strange artifacts. The bricks had a red "wash"
>> overlaid with horizontal white stripes. A normal png didn't get those
>> artifacts at all.
>
> Hmm, could you post an example portion of the result? Or an .hdr version
> of your image so I can try it?
>
> How intense are the brightest areas of light in the original image? I
> personally wouldn't use values much higher than rgb <2,2,2> for
> light_sources, fog and such. I know that really small (<.1) lb_exponent
> values will increase the chance of an image developing artifacts. This
> is made worse by values which are too bright. If this the case with your
> scene, you probably don't want to re-render the whole thing simply to
> make some glare. A color-normalizing file shouldn't be too difficult to
> put together; perhaps I should consider making one. Hopefully it works.
I posted an hdr image on povray.binaries.misc for you to test on.
-Nekar Xenos-
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