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Feedback with mental ray rendering
show user profile  Paunescudanutz
Would appreciate if you guys could throw some crits for this render

Here is a screenshot with the settings used, if something seems odd please tell me. Also why do i get noise in the red marked area and not on the rest of the object? (its the same material)

Thank you !!!


<---~( Daniel )~--->

read 746 times
6/24/2011 6:30:39 PM (last edit: 6/24/2011 6:32:43 PM)
show user profile  mike_renouf
Could the noise be due to a low shadow samples setting? Nice render, it's very effective.

read 730 times
6/24/2011 7:04:45 PM (last edit: 6/24/2011 7:04:45 PM)
show user profile  Nik Clark
Very nice!

The mirrored point of the pen looks too perfectly mirrored. Perhaps a hint of glossiness?

read 727 times
6/24/2011 7:06:52 PM (last edit: 6/24/2011 7:06:52 PM)
show user profile  Paunescudanutz
the shadow precision multiplier is set to 4, but the samples on my sky portal are 16, ill up those too and check. As mentioned in another thread the other day, speed vs quality, trying to learn these things, and as it actually depends on every scene you pretty much have to set parameters, render, reset parameters, render and so on.

OT: yes, my handwriting is horrible.

Edit: @ Nick: i just used the chrome preset from arch and design out of commodity, will add some blurry-ness to it.


<---~( Daniel )~--->

read 724 times
6/24/2011 7:12:35 PM (last edit: 6/24/2011 7:15:45 PM)
show user profile  Mr_Stabby
well the reflection and shadow graininess can be fixed by upping sampling on shadows, reflections and pixels in general. Other then that the paper lacks height detail (its too perfect) and FG is too harsh due to low settings.

As for speed vs quality - sky portal isn't optimized for lighting fine detail and to get the required quality it is bound to slow you down, try using photometric free lights instead with a rectangular or whatever u like shape.

read 712 times
6/24/2011 7:53:19 PM (last edit: 6/24/2011 7:53:19 PM)
show user profile  K-tonne
the text on the left page looks to be mirrored left to right- just comparing the t's to the right page where they slant to the right- i don't read the lingo
i'm finiding the new pen on an old piece of paper a bit weird too- but that's probably just me
the paper could do with a bit of a suggestion of fibres and a tiny bump to reflect that
maybe a little bit more thickness of the clip thing wouldn't hurt either

Website and Portfolio

read 707 times
6/24/2011 8:10:21 PM (last edit: 6/24/2011 8:10:21 PM)
show user profile  Paunescudanutz
thanks for the feedback, ill go and fix some of these.
I have to scan some other pages. The paper isn't old but pen marks from the other side got caught in the scan.
I added a sky portal and a daylight system because the final render should have the pen in a position where you can see the window in the back, i know its not optimal but it gives the result i want pretty quick


<---~( Daniel )~--->

read 690 times
6/24/2011 11:58:26 PM (last edit: 6/24/2011 11:58:26 PM)
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