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In My Dreams
In My Dreams
Comments: 4
NYHELLRAISER

29.03.2024, 06:02








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Another sketchup/Bryce test
Another sketchup/Bryce test

            

Another sketchup/Bryce test
Description:  
Added by: scrog
Keywords:  
Date: 01.14.2008 14:52
Hits: 3663
Downloads: 91
Rating: 0.00 (0 Vote(s))
File size: 143.7 KB
Previous image: The House
Next image: Architecture test



Author: Comment:
Horo
Admin

Join Date: 05.26.2004
Comments: 4721
-

Nice idea. There is some shadow banding evident below the platform and the column seems not to be smoothed optimally. But since it is a test - what were your objectives?
01.14.2008 18:31 Offline Horo h.-r.h.wernli at bluewin.ch https://www.horo.ch/
rashadcarter1
Admin

Join Date: 06.04.2006
Comments: 2610
-

The ibl again is doing a great job of getting light into the places it needs to be. The only issue of course is the banding that can only be fixed by increasing many fold the number of ibl lights or by engaing soft shadows in the render options which will require 64 rpp which will add huge render times also.

Wise man, looks like you are using an almost completely greyscale hdri! Sneaky, but most effective. I observe very little if any color bias coming off of the hdri in this image, and truthfully, the image is more realisiic because of it. This more or less white image demonstrates my point very clearly about how much better greayscale hdri's are compared to heavily color saturated ones.

I at first thought that color bias in the hdri was essential for realism but bryce ibl seems to boost hdri color saturations far too much and it changes the colors slightly also, they are not exact reproductions. I have since learned that the light levels themselves indicated within the hdri mean much more than the color hues. Even without orange tinted sun and blue tinted skylight I can still tell what is supposed to be sunlight and what is secondary skylight just due to the intensities of the lights. Clearly the more intense light is the sunlight. The human eye tends to cancel out the blue tint from skylight and the red tint from sunlight anyway, so too much of these hues in an hdri will look false in a render. Only late in the evening does the blue from the sky and the red from the sun really become obvious to us in real life. This means that a greyscale version of your favorite hdri will be more versatile and proper for more situtations than heavily saturated ones will that are only appropriate at certain times of the day.

I am very pleased with the results of this test!
01.14.2008 19:51 Offline rashadcarter1 rashadcarter1 at aol.com
davidbrinnen
Admin

Join Date: 01.03.2004
Comments: 2224
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Shows off the IBL very nicely. Pity about the shadow banding. On occasion where this has been an issue, I've gone for quality 16 and engaged soft shadows in premium 36 rpp. This route does tend to be better suited to fewer stronger light sources rather than a general dome of light like is in evidence here. Something to consider thought when the render time overhead between quality 1024 and qualtiy 16 soft shadows is about evens in a lot of cases.
01.16.2008 19:44 Offline davidbrinnen mail at davidbrinnen.co.uk http://www.davidbrinnen.com


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