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Gemstones

Posted: Wed Nov 10, 2010 8:08 pm
by Meelis
Hi :D

Here are my gemstones in attachment (zip) , also some of them are in MDB like Amethyst, Topaz and Emerald.
So i don't need to upload if the default material preview scenes look similar.

Most of the absorption is from http://minerals.gps.caltech.edu/FILES/V ... st_AZ.html
Most dispersion data is computed from n @ different wavelength found at http://www.mindat.org/
and from other sites.

Some more will be added in future, and plz recommend gemstone that you would like to see.

I do understand i need default scene for preview to upload in MDB, but i had few problems with that,
like i wanted to use halt 2000 SPP, Aperture Diffraction on, MLT with BIDIR
Also most of the materials need very thin / small medium to not look black because in reall life they are used also for very small gems.

Also from larger gemstones u can see there is some SSS, so i experiment with that when i get back home from Norway in 1,5 months or so.
U can google image search "gemstones scattering"
for example Kazakhstan Jadeite has some SSS.

Bolivia Amethyst
Image

Brazil Aquamarine
Image

Brazil Greenish-yellow Chrysoberyl
Image

Burma Blue Zircon
Image

California Aquamarine
Image

California Cherry Opal
Image

Green Sapphire
Image

Ireland Aquamarine
Image

Italy Andradite
Image

Kazakhstan Jadeite
Image

Madagascar Pezzottaite
Image

Namibia Blue Elbaite
Image

Namibia Blue Jeremejevite
Image

New Mexico Golden Beryl
Image

Zambia Emerald
Image

Tanzania Almandine
Image

Thailand Ruby
Image

Topaz
Image

Utah Red Beryl
Image

Re: Gemstones

Posted: Thu Nov 11, 2010 6:27 am
by pixie
:shock:
Pure awesomeness!

Re: Gemstones

Posted: Fri Nov 12, 2010 3:07 am
by matsta
That test scene is great! Amazing reproductions! Really solid work.

Re: Gemstones

Posted: Fri Nov 12, 2010 4:14 am
by PureSpider
matsta wrote:That test scene is great!
Thank you... :D

Re: Gemstones

Posted: Fri Nov 12, 2010 10:13 am
by pixie
Now I'm going to the market to sell those... :D

Re: Gemstones

Posted: Mon Nov 15, 2010 1:22 pm
by Soup
Wow that's beautiful! I love the black gem with the red light in it :)

Re: Gemstones

Posted: Mon Nov 15, 2010 1:50 pm
by pixie
Soup wrote:Wow that's beautiful! I love the black gem with the red light in it :)
Since you're Indigo's developer there's a special price for ya mate! :D

Re: Gemstones

Posted: Tue Nov 16, 2010 8:22 am
by dag
In alphabeticalistic order on a crappy model.
Had to remove the hyphen in the material name of Brazil Greenish-yellow Chrysoberyl or indigo gives an error.

Re: Gemstones

Posted: Tue Nov 16, 2010 8:29 am
by pixie
dag wrote:In alphabeticalistic order on a crappy model.
Had to remove the hyphen in the material name of Brazil Greenish-yellow Chrysoberyl or indigo gives an error.
sweet 8)

Re: Gemstones

Posted: Tue Nov 16, 2010 11:15 am
by Soup
dag wrote:In alphabeticalistic order on a crappy model.
Had to remove the hyphen in the material name of Brazil Greenish-yellow Chrysoberyl or indigo gives an error.
Hey that's really nice! Any chance you could post the .pigs? I'll see if I can do a larger render!

Re: Gemstones

Posted: Wed Nov 17, 2010 8:10 pm
by dag
Pigs with jewellery. Replaced with some proper models.
Added Diamond Real from matdb at 7th posish.

Re: Gemstones

Posted: Sun Nov 21, 2010 1:12 am
by Meelis
Hi

Sorry for late reply, i had to leave unexpectetly fast.

And thank you all for feedback and awesome tests.

Very good test dag
I guess u used very small gemstones, they look so nice.

Sorry PureSpider i forgot to mention it's your test scene, :oops:
Yep it's truly very nice scene :D

Re: Gemstones

Posted: Sun Nov 21, 2010 8:05 am
by dakiru
Meelis wrote:Hi :D

Here are my gemstones in attachment (zip) , also some of them are in MDB like Amethyst, Topaz and Emerald.
So i don't need to upload if the default material preview scenes look similar.
That is a great stuff, thanks a lot, will use 8)

Re: Gemstones

Posted: Wed Jan 26, 2011 9:22 am
by Meelis
I was hoping to create Rose Quartz:
Will upload to MDB if it clears up a bit more.

2500 s pix 8,5 h on c2d e4500 and e7400

Path tracing with MLT didn't work (bug image gets brighter and brighter)

metropolis true
max num consec rejections 30000
bidirectional true
super sample factor 3
hybrid true
ray origin nudge distance 1e-6
aperture diffraction true

Image

Re: Gemstones

Posted: Wed Jan 26, 2011 10:23 am
by Soup
I've noticed you've done a heap of great materials lately, well done Meelis! Keep it up!