render artefacts issue

mathewlp_forum · Post by **mathewlp_forum** » Wed Jan 07, 2009 5:39 pm

Hey everybody, first of all, I wish u a great and happy new year!

I got a problem with my last render, I tried to put some lumi-poly (up globes) at 2000% lum and I like the ambiance of the final GI but some artefacts appear on the image and I can't get them of, I don't know what to change on kray config...

here is the render and kray config...thx for helping

mathewlp_forum · Post by **mathewlp_forum** » Wed Jan 07, 2009 5:50 pm

I'm using LW 9.5 64, kray 1.7 ob 8

my globe lights are 324 polygons each (i know maybe it's too much?), I put them on a different layer, with modifier krayPhotonNumberMultiplier (100000.0) and shaders krayIndirectRays (desturate 50, multiply 2) and kraySurfaceOptions (Visible, reflect, force)

thanks

Post by **jure** » Wed Jan 07, 2009 5:55 pm

Too low FG rays. Try min 400 max 2000 threshold 0.0001.

Also UPDATE TO RC1!

mathewlp_forum · Post by **mathewlp_forum** » Wed Jan 07, 2009 5:58 pm

Ok thanks you I'll try..

Altough I don't have LW 9.6 yet, I allready tried the RC1 but I could't get the same results as usually with same config so I went back to 1.7...

Post by **jure** » Wed Jan 07, 2009 6:03 pm

mathewlp wrote:Ok thanks you I'll try..

Altough I don't have LW 9.6 yet, I allready tried the RC1 but I could't get the same results as usually with same config so I went back to 1.7...

Presets were changed in RC1 so that's maybe why you were getting different result. If you showed what the difference is I could probably help you more.

RC1 is superior to OB8 in all aspects.

mathewlp_forum · Post by **mathewlp_forum** » Wed Jan 07, 2009 6:13 pm

OK thank you very much, I'll post my rc1 results later.

But I saw something about a fixing tool for 9.5 users...? Do I need it to use the rc1?

Post by **jure** » Wed Jan 07, 2009 6:29 pm

mathewlp wrote:OK thank you very much, I'll post my rc1 results later.

But I saw something about a fixing tool for 9.5 users...? Do I need it to use the rc1?

Just download the latest pack from your registration page. All the latest plugins are inside there.

mathewlp_forum · Post by **mathewlp_forum** » Wed Jan 07, 2009 6:56 pm

all right!

ps: So that having optimal settings for final gather, what maximum min & max rays do I can use? min 400 max 2000? Above? cause it still seems not to be enought according to the reslutls...

Post by **jure** » Wed Jan 07, 2009 6:58 pm

mathewlp wrote:all right!

ps: So that having optimal settings for final gather, what maximum min & max rays do I can use? min 400 max 2000? Above? cause it still seems not to be enought according to the reslutls...

You can use as much as u want or time permits... More rays the cleaner the render. Add some FG blur too (like 4 or 8).

mathewlp_forum · Post by **mathewlp_forum** » Wed Jan 07, 2009 7:02 pm

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