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Pixel2
01-30-2007, 10:31 PM
hello, guys.

I need some help here. I'm submiting an image with some usual problems.

I can't get this artifacts out... can anyone explain why?

settings

Stg: 100%
Acc: 60%
DD: 5
SS:1000
Min: 5
Max: 50

best regards to all

Per-Anders
01-30-2007, 10:32 PM
increase your min/max and accuracy. the samples may also need to be increased further, you don't need such a high diffuse depth on an exterior scene, reduce that down to only 1 or 2 bounces.

Pixel2
01-31-2007, 01:15 PM
Thank's a lot for the help!

Is I've been reading the manual of C4F so that I can find a way to optimize the render time in animation. Is usual to have shots is PAL and I can't get decent times with this settings that you gave me in last post.

One more thing, cam you give me some tip about the glass? I cant make the glass reflect the dome.
glass settings

colour : off
difuse : normal direction
reflect : fresnel front back multiply white
specular : off...

best rebards Per-Anders

Per-Anders
01-31-2007, 08:29 PM
you don't really need a reflection channel with glass, just enable the "fresnel" option in the transparency channel and you should be away. remember to give your glass some thickness if you're using the normal direction shader in the diffuse channel. if you switch off reflection itself then you may not need that channel either anyway (it's mostly just to get rid of the specular "bubble" effect). what's reflected is then purely down to the angle that you view the glass at, and the brightness of the reflected object (versus the brightness of the scene looking through the glass itself).

if you want to artificially increase the reflectivity, say for something like mirror glass then you can check the "Additive" option in the reflection settings and then play around with your reflection channel, which is just added over the top of this. Good luck!

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01-31-2007, 08:29 PM
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