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water glass and caustic
Posted: Fri Mar 27, 2009 3:45 pm
by nico
hi boys, a new wip.
this is a image experiment after see a picture of fryrender.
the first render is this but i want a colour glass and a best caustic effect.
can you help me?
nico
Re: water glass and caustic
Posted: Fri Mar 27, 2009 5:31 pm
by Janusz Biela
nico wrote:hi boys, a new wip.
this is a image experiment after see a picture of fryrender.
the first render is this but i want a colour glass and a best caustic effect.
can you help me?
nico
You need better glass model (this is a bit ugly...) need thin glass one side.
Maybe try hdri?
Try this glass idea:
Re: water glass and caustic
Posted: Fri Mar 27, 2009 5:41 pm
by nico
hi johny,
ok for surface i have it, for model i remodel the object tomorrow, the glass is on side as water
in this image no hdri...
wou think that it's necessary? what's hdri? (uffizi???nooo) i don't know the best hdri for one scene as this
Re: water glass and caustic
Posted: Sat Mar 28, 2009 1:02 pm
by nico
new render with change of model and surface.
no hdri
but where are the caustic? i have use 2 spot light
Re: water glass and caustic
Posted: Sat Mar 28, 2009 1:33 pm
by jure
Did u turn on caustics in general tab and chose some preset on the photons tab under caustics?
Re: water glass and caustic
Posted: Sat Mar 28, 2009 4:56 pm
by nico
ohhh that mind!!!
i'ven't set
on the caustic
Re: water glass and caustic
Posted: Sun Mar 29, 2009 7:03 pm
by _mats_
that should do the trick !
Please show us the results Nico !
I haven't used caustics at all, but saw some really really good Kray renders with it, need to start playing with that !
Matt -
Re: water glass and caustic
Posted: Mon Mar 30, 2009 3:04 pm
by nico
hi matt, sorry for a long time but in the week end i work on my web site.
so this is the new render test.
i not see the caustic effect so i post the screen of setup and surface of glass (the first) and water (the second).
C&C
Re: water glass and caustic
Posted: Mon Mar 30, 2009 6:25 pm
by jure
No idea... It should work. Can you post your scene?
Re: water glass and caustic
Posted: Mon Mar 30, 2009 6:31 pm
by nico
this is the scene and object
Re: water glass and caustic
Posted: Tue Mar 31, 2009 1:00 pm
by jure
Caustics are there, they are just very diffused because of your big light... You can see them in preview when Kray is shooting caustics photons. I also suggest you turn to indirect luminosity mode.
Re: water glass and caustic
Posted: Tue Mar 31, 2009 2:22 pm
by silverlw
Caustics are there but faint from those lowintense luminous planes you added in the scene. To see caustics photons from your lights you have to switch them to inverse square falloff, then you see very strong caustics.
Re: water glass and caustic
Posted: Tue Mar 31, 2009 5:26 pm
by nico
thank's for tips but with indirect luminous the render time is impossible
Re: water glass and caustic
Posted: Tue Mar 31, 2009 8:33 pm
by jure
nico wrote:thank's for tips but with indirect luminous the render time is impossible
indirect renders faster than direct... I think your scene has something weird in it.
Re: water glass and caustic
Posted: Tue Mar 31, 2009 9:14 pm
by silverlw
10 million received photons. This is rendered on a quadcore.