Caustics in Blender

First try with Yafaray in Blender !
-white caustics with a sun lamp
-yellow caustics with spotlight, post prod and averything in blender !
Be welcome to share your thoughts .


looking nice

easier to do with Yafaray
cycles sucks at caustic and takes for ever !

would like to see the set up for this thing
I got some glass and does not render well in cycles!

happy yafaray LOL

Hello,

here is the blend file if you want to see more of it :

https://drive.google.com/open?id=1AaPrO_vYhJHG1jl3ZipekPWZQct2EXj6

  • You will notice that there are 3 scenes (1 cycles & 2 differents yafaray scenes where I separated the mesh in 2 different parts)
  • enclosed a glass node set up that works best with thickness !
  • in this actual case you will notice that for liquid I did not use a mesh but faked it with backfacing colored glass shader.
  • The most important was to make sure normals were facing the right direction.
    -For final render just added some filter glares and color corrections to the actual compositing setup ! (I did not save my final set up. this way you can come up with different effects when playing around).

Happy Blending.

thanks
why is the file so big

this in only a small piece of glass

also you must get the Specail SVN for Yafaray or just an addon ?

and how long did it take to render it on yafaray ?

thanks
happy cl

Hi,

Well I forgot to remove some HDRIs packed in the file !
You can get the blender build here:
http://www.yafaray.org/daily_builds/index.html

I only rendered the caustics with yafaray so its pretty fast about 3 to 5 minutes !

thanks for link
there was an addon for yafaray don’t know if it can still work

I will try the glass render in Yafaray again
I think it gives better results much better caustic and more realist then in cycles !
will do some testing this weekend

thanks
happy cl

Here is a link to file (removed HDRIs)https://goo.gl/Hm66NJ

Thanks for sharing, very interesting.

Caustics can contribute so much to certain scenes. The classic wine glass & candle scene, but also in archviz: the swimming pool, the bridge over the river, etc… one of Cycles’ weaknesses indeed. It would be great if this works, I’ll check it out too!

the link for yafaray
I got one but only 25 KB !

are these SVN working or need to build these ?

there was an addon for yafaray but not certain if it is still working ?

thanks
happy bl

I was mildly impressed with Cycles caustics recently, and it did not take long and it was not faking it. Of course the denoiser helps a lot. But cycles is definitely not bidirectional path tracer and cannot make proper caustics. Your yafray render looks awesome, i dare you to do a comparison of the same model but with cycles render. :stuck_out_tongue: