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Re: Leather sofa for material evaluation

Posted: Mon Mar 16, 2015 12:13 am
by Keraressi Abdelkarim
Here my test .

0 node . only basic surfaces . i use color gradient slope .

Re: Leather sofa for material evaluation

Posted: Tue Mar 17, 2015 1:44 am
by Keraressi Abdelkarim
here my new test with leather . the same as u have :D :P .

Kray render ofcourse . 0 node . ony basic surfaces . + photoshop poste process :D .

Re: Leather sofa for material evaluation

Posted: Tue Mar 17, 2015 1:52 am
by Keraressi Abdelkarim
here the raw!

Re: Leather sofa for material evaluation

Posted: Tue Mar 17, 2015 2:54 am
by NiGMa
Sorry but it looks like the couch is covered in clingwrap! Need more refl blur.

Re: Leather sofa for material evaluation

Posted: Tue Mar 17, 2015 10:31 pm
by Keraressi Abdelkarim
NiGMa wrote:Sorry but it looks like the couch is covered in clingwrap! Need more refl blur.
u think its hard to make blur reflection ?

Re: Leather sofa for material evaluation

Posted: Tue Mar 17, 2015 11:54 pm
by NiGMa
lightwave3d wrote:
NiGMa wrote:Sorry but it looks like the couch is covered in clingwrap! Need more refl blur.
u think its hard to make blur reflection ?
No, its not hard, you just increase the value right?

Re: Leather sofa for material evaluation

Posted: Wed Mar 18, 2015 1:41 pm
by graflukas
It's quite good. Clingwrap - but just a little. Some smoothiness I think. I see some unsmooth square polys or unwelded polys.

Re: Leather sofa for material evaluation

Posted: Wed Mar 18, 2015 9:24 pm
by S0nny
Hello guys, just a small update: spherical light + reflector, a small table and a different wood for the boiserie on the back.
I don't know but it seems to me that glass and the book have very subtle contact shadows, but everything else does.
Anyway, any comment appreciated!

p.s. I forgot the power cable! :D

Re: Leather sofa for material evaluation

Posted: Wed Mar 18, 2015 10:19 pm
by Janusz Biela
The glass needs multiply reflection. Book seems for me too high diffuse (problem with Albedo). Both I can not show because still I test it in my Nodes.
...still waiting for floor :wink:

Re: Leather sofa for material evaluation

Posted: Wed Mar 18, 2015 10:30 pm
by S0nny
Janusz Biela wrote:The glass needs multiply reflection. Book seems for me too high diffuse (problem with Albedo). Both I can not show because still I test it in my Nodes.
Yes the book is totally too bright, I checked the texture is 255 needs less brightness.
About the glass: multiply with another reflection?
...still waiting for floor :wink:
Let's do this experiment, you tell me what floor you want and I'll try to replicate it, that's a good exercise for me!
I'll try when my clients are not pressing, maybe it will not be immediate :D

Re: Leather sofa for material evaluation

Posted: Wed Mar 18, 2015 10:50 pm
by Janusz Biela
White color should be at maximum 220,220,220 RGB in other way you reflect too much photons which is not physically correct. Pure White color should have Albedo on the level 85-90% Albedo so if you want use diffuse control (to emulate Albedo) RGB level + 80% diffuse.
I found something that, maybe will help you:
Albedo_values.jpg

Re: Leather sofa for material evaluation

Posted: Wed Mar 18, 2015 11:55 pm
by S0nny
Yes, I have a similar scheme because when I used Maxwell and the principle for rgb values was the same, but sometimes I just copy paste materials and I leave behind some check on texture value.

here's the last one

Re: Leather sofa for material evaluation

Posted: Thu Mar 19, 2015 12:16 am
by Janusz Biela
Can you render it in override mode? I would like to see pure GI samples because I suspect you have too low Final Gathering settings.

Re: Leather sofa for material evaluation

Posted: Thu Mar 19, 2015 1:03 am
by S0nny
Yes! Here we go:

edit: not so important, but why it says always Kray 2.2 in the window settings?

Re: Leather sofa for material evaluation

Posted: Thu Mar 19, 2015 1:37 am
by Janusz Biela
Is no so bad GI quality but can be better with long time render of course.
This is version of Core Kray.