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Old February 1st, 2007   #11 (permalink)
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Default Re: Glossy Reflection

I would be very interested to see your results
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Old March 29th, 2007   #12 (permalink)
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Default Re: Glossy Reflection

..me too!
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Old March 29th, 2007   #13 (permalink)
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Default Re: Glossy Reflection

if you are using light cache as your secondary bounce.... try clicking the checkbox for "use lightcache for glossy rays." It's a nice little gem that should help your render time.
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Old March 29th, 2007   #14 (permalink)
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Default Re: Glossy Reflection

Quote:
Originally Posted by Brian Smith View Post
Have you tried interpolation...it can really help with the rendering times but make sure that if you use the irradiance map, that you match the Min/Max rate in the reflection interpolation rollout with the Min/Max rate in the irradiance map rollout. The lower your Reflection Glossiness value, the more the interpolation can be of benefit

T'WA? Wow I had never heard that! the part about matching min/max rates.
-- quick hijack sorry--

So Brian I have a glossy scene and when I used interpolation the wall I had went really blurry and I had to up the subs to get the detail I needed. I ended up going to 70 subs and it was almost perfect (a little blurry) but the render times were through the roof. I was able to get better results using 30 subs and no interpolation. There is a little noise but I like that better than the loss of detail I saw with the interpolations.

Now I did not play with the min/max rates on the material reflection I left it at default. But will playing with that rate of the material in your opinion will that solve the problem of loss of detail in the glossy material?


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Old March 29th, 2007   #15 (permalink)
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Default Re: Glossy Reflection

Just try to use LC for secondary bounces and check "Use LC for glossy" as BKittsARC adviced. Just be careful with sample count, size and Screen/World modes. LC for glossy is much faster then interpolation via Irmap, and the result are better.
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Old March 30th, 2007   #16 (permalink)
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Default Re: Glossy Reflection

I've been looking at ceramic stuff a lot lately. I was looking at the sink this morning actually and just thinking how not reflective it actually is. You can't really see your face in it. There are quite high specular highlights, but the reflection value is really quite low. I've re-rendered some of my previous bathrooms with much lower reflective settings and it seems to look quite good.
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