Progressive path tracing renders

[Pixelperfectg]

Figured I'd start a thread for some ppt tests. Here's my first stab at ppt.


(Vray logo came from free files at Evermotion.org)

If others want to add tests to this thread, please feel free to do so.

[jujubee]

wow. i think that qualifies as the first progressive path image released. looks great!

[siliconbauhaus]

ooooh.....maxwellishness without the wait :P

[corey]

Nice start Jeff.

Not so original as Jeff's but I could not help my self from seeing how PPT in vray 1.46.15 would compare with maxwell 1.1.22. Just a simple test to let each renderer produce for 20 minutes. The scene is rendered on a dual opteron 250 3gb RAM.





Orig. 1200x1200 http://home.comcast.net/~crubadue/vray/ppt_vray.jpg
Orig. 1200x1200 http://home.comcast.net/~crubadue/vray/ppt_mxs.jpg

[tom schuelke]

ooooh.....maxwellishness without the wait :P

Did you also turn on gi caustics ?

@ corey

now lets do the dielectric boggey

[Gijs]

hmm less noise in Vray's image, did you leave sample size at 0?

[Pixelperfectg]

Neat test Corey! It's great to see how close the two renders are.

Tom - I'll have to check on the caustics.

I'm not sure if it even works (because its NASTY slow) to use a VRaylight material as an emitter. It kinda looks like it's working....but it's hard to tell. Maybe I should just stick with regular lights instead.

[tom schuelke]

Well the caustix do work, i allready tested it, but if your lightemitter is rather small, argh this gets very very slow, and like vlado told, you may wait untill the end of time.

but what works is saving the lc result and use it with irradiance map, and guess what, the caustix stay at place.


nice prepass.

[RErender]

Man Jeff, if you had this build a few weeks ago I think you would of won the contest

I am renderering a kitchen right now, looks like it will be a all-nighter. I am concerened though that 2 of the 4 strips are brighter than the others, anyone else noticed this? Almost looks like the 2 real proccesses are going faster than the HT ones.

beware heavy jpg compression ahead

[corey]

Sample size is at 0. It's hard to tell which has more noise. Over all the vray image seems smoother. But maybe I am biased.

[zuliban]

here are 2 of my test
this one i made it also on mawell, but in v-ray this looks smoother and better.

[Pixelperfectg]

Simple cornell box & caustics:


Nice renders Zuliban.....as if you've never heard that before...lol.

RErender - I'm curious about those patches....I'm running a dual hyperthreaded PC as well, and no stripes here (yet). Oh well, if it doesn't turn out after rendering overnight....just call it an "abstract" render...lol.

[jujubee]

Ran into my first adverse effect of PPT. I have a library full of 'brushed' metals - some of which are purposely set to low subdivisions because I like the effect it gives the mat. With PPT, this method gets thrown out...

[Gijs]

Well Eric, Vlado said it willl converge to the right solution in the end, so you might want to wait a few days longer

[Gijs]

Here is my first test (ignore the rendertime) after about 7 hours @ 1800Mhz
There is a slight DOF in there which I forgot to turn off.