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String of Pearls
Ok, did my best to recreate the scene (was just a test render in detail editor), let it render overnight with microbump reflections at 1920x1082 and scaled it down in photoshop to 1600x900

Still not quite happy with the environment. Reflective objects need just the right environment to show them off.... couldn't be bothered setting up another HDRI/IBL setup and re-rendering






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Filename:Render 2.jpg
Album name:Lahl's album
Submitted by:Lahl  
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Poster Thread
webmaster
Posted: 2012/11/5 9:54  Updated: 2012/11/5 9:54
Webmaster
Joined: 2004/4/3
From: Stockholm, Sweden.
Posts: 2424
 Re: String of Pearls
Still a lot nice then I got, how did you get the color variations in the pearl, is that the lights reflecting or an angular effect on the surface?

I was trying to get the effect by using microbumps and two different ABFakely effects, but I didnt get the effect I wanted from that.

Poster Thread
Lahl
Posted: 2012/11/5 13:01  Updated: 2012/11/5 13:01
Home away from home
Joined: 2004/5/20
From:
Posts: 607
 Re: String of Pearls
well, let's see....

My texture list is a little longer

1. fracbump used as a microbump to blur reflections

2. fracbump with large scale and low octaves and low bump height to create minor variations and imperfections in the shape of the 'perfect sphere'

3. ABfakley, colour spline, almost white with a tinge of yellow at the front, and a touch darker yellow at the sides

4. a special image map that I created to map spherically, usually for that subtle rainbow specular effect, but this time as a colour map, mix/morph value at 0.15

5. ABfakley, reflect spline, almost black (40-45) with a tinge of blue/purple at the front, and a touch lighter at the sides (75-85) with blue/purple tint

6. ABfakeNC hardness spline 160-215, IOR spline 1.53-1.62 (actual pearl IOR = 1.53-1.686), brightness spline 15-50 (originally had 25-100, but it was a touch too much)

7. my rainbow map as specular map

8. ABboost colour boost 1.2, specular boost 1.5

The other trick is getting the right environment to get the best reflections to enhance the look of the pearls, so I had an HDRI map of a photographic studio from which I made an HDRI sphere for reflections and an IBL array from it. Unfortunately the studio was not quite the right environment to show off the pearls, so tried a different one for this second image, Better, but still not quite right.

Rendered in high-res overnight and scaled down in photoshop

Hope that gives you some insight into my process and since this was a quick throw together in the detail editor, I could have refined it if I had more time

Poster Thread
webmaster
Posted: 2012/11/5 18:33  Updated: 2012/11/5 18:33
Webmaster
Joined: 2004/4/3
From: Stockholm, Sweden.
Posts: 2424
 Re: String of Pearls
A bit more then I did and also imagemaps, but thanks for the insight... I will see if I can make mine better


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