Re: Stains problem in HDRI 2003-11-17 - By pmiinalainen
Back
To reduce render times, carrara doesn't calculate indirect lighting
etc. with maximum accuracy by default. This can sometimes cause
bloches.
To remedy this do following
-go to render room
-check sky light
-check interpolation
-increase the precision
do test renders and change the precision to get satisfactory results.
You can even lower the photon count to speed up rendering.
Experimenting with these settings can be very big time-saver with
animations if you intend to use indirect lighting and sky lights.
Also experiment with filter size if you use caustics option.
hope this helps
petteri
--- In Carrara@(protected), "Dexter Ward" <ward_dex@(protected)> wrote:
> When I render with HDRI I get some stains, spots, I don't know how
exactely
> call them, maybe artifacts. Can anyone explain what are they and
how can I
> avoid them? I render with best light quality, best antialiasing, I
tried every
> setting in the render tray, but the stains are still there. I
uploaded a file in the
> files sections to show you what they are, the file is
called "artifacts.jpg". You
> can clearly see the spots on the key. The shader is a preset
aluminium. It
> seems a shadows problem but I'm not sure and I don't know what to
do. Thank
> you for any help!
> Dexter
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