View topic - New YafaRay v3.0.2-beta for Blender v2.77a released!

New YafaRay v3.0.2-beta for Blender v2.77a released!

General questions related with the YafaRay Project, 3D computer graphics and about this site.

Re: New YafaRay v3.0.0-beta for Blender v2.77a released!

Post Wed Aug 03, 2016 2:37 pm

pafurijaz wrote:Hi, I can not create the material glass, as you can see in the image below, the file is under, you have to do some sample files to learn better.

CupsSky2

I have some file to test if needed


Hi pafurijaz, I have tested your scene using v3.0.2 and here is what I've got.

Hope this helps. I disable Abs to 0 at color and absorption setting
and disable dispersion to 0. Using Pathtracing and photon mapping should be able to
achieve similar glass effects only that pathtracing is a little bit slow.

Thanks David for all your hard work.
Attachments
v3_test_glass_mat_setting.jpg
glass setting
v3_test_glass.jpg
rendered glass
3djkk
 
Posts: 5
Joined: Thu Feb 19, 2015 1:03 pm

Re: New YafaRay v3.0.2-beta for Blender v2.77a released!

Post Tue Aug 16, 2016 12:31 pm

Hi David

I have problems to make adaptive sampling threshold based on a curve to work as expected, if fact it behaves like if thresold was 0 or very close to 0 for the whole image. I have worked out a simple system to detect it, which is rendering a tone in the image with no curve but with a thresold the "curve" option is supposed to use for that area, and the result is compared with how the "curve" option would perform on there. The result is that "curve" is using much more sampling in that area at any render time.

In the example below, "curve" thresold is enabled which on the cyan area is supposed to be using a 0.0012 thresold as per your report, since on that area pixel brightness is 0.22 more or less. This is pass 7 with a x2 factor for AA, lights and indirect samples.

case01.jpg
case01.jpg (30.67 KiB) Viewed 1918 times


However, if I render with no curve but with a 0.0012 thresold, in pass 7 with x2 factor for AA, lights and indirect samples, I get the result below.
case02.jpg
case02.jpg (51.84 KiB) Viewed 1918 times


Also it would be great if in the future we can work out a more flexible curve option, for instance the user could set parameters for low, mid and high tones and with that information producing a curve for sampling the whole image. Thanks David.
User avatar
Samo
 
Posts: 3056
Joined: Tue Dec 20, 2005 10:39 am
Location: Spain

Re: New YafaRay v3.0.2-beta for Blender v2.77a released!

Post Wed Aug 17, 2016 7:01 pm

Hello, Álvaro.

I've reopened the Issue in the bugtracker: http://www.yafaray.org/node/704

I will take a look at this.
User avatar
David Bluecame
 
Posts: 388
Joined: Mon Jan 21, 2013 12:42 pm
Location: Spain

Re: New YafaRay v3.0.2-beta for Blender v2.77a released!

Post Thu Aug 18, 2016 9:29 am

thanks ! :D
User avatar
Samo
 
Posts: 3056
Joined: Tue Dec 20, 2005 10:39 am
Location: Spain

Re: New YafaRay v3.0.2-beta for Blender v2.77a released!

Post Wed Aug 31, 2016 1:10 pm

Thank you very much .
dbfusion
 
Posts: 1
Joined: Wed Aug 31, 2016 1:07 pm

Re: New YafaRay v3.0.2-beta for Blender v2.77a released!

Post Sat Sep 03, 2016 5:00 pm

Hello,

I've checked and I cannot see anything wrong. In fact, the curve generated threshold is not 0 and it's easy to make an scene that proves it. However, it's true that with the current curve as specified the curve generated thresholds are really low.

If you don't mind, and to keep things in the correct place, I will continue this conversation in the bugtracker entry http://www.yafaray.org/node/704
User avatar
David Bluecame
 
Posts: 388
Joined: Mon Jan 21, 2013 12:42 pm
Location: Spain

Previous

Return to News & Discussion



Who is online

Users browsing this forum: No registered users and 4 guests