Author Topic: Friday fun  (Read 6421 times)

2014-04-07, 02:25:27

rickeloy

  • Active Users
  • **
  • Posts: 28
    • View Profile
Had some spare time last friday and put together a small scene to test both V-Ray 3.0 and Corona.
The scene is no biggy, but I wanted to try a few things. For instance, I wanted to test the Material Converter with a couple donzen different materials. Found some discrepancies, some weirdness with anisotropy, but all fixable. The other thing I noticed was a small problem with the displacement: Corona seemed to simply ignore the mapping already applied to the object, which was kind of weird. On the bright side, I thought "what the heck" and replaced the displacement on the rug with real fur turned into geometry (21 million polys). Corona passed thru it like a breeze. So sweet!
Also did a few captures on different moments just to compare how noisy the pic is as time passes and found the scene to be completely noise-free after around 40 minutes (which is lightning fast compared to V-Ray, which took 2:30hrs to finish the same image).
Another thing: the same scene rendered MUCH slower when I had AO included as a render element. Anyone confirm that?

2014-04-07, 13:38:40
Reply #1

yagi

  • Active Users
  • **
  • Posts: 372
    • View Profile
CANT SEE ANY VRAY COMPARISONS HERE???

2014-04-07, 14:29:05
Reply #2

rickeloy

  • Active Users
  • **
  • Posts: 28
    • View Profile
Didn't post the V-Ray image, thought this was not the case since all you would see was a clean render and pretty much the same quality.

2014-04-08, 08:48:22
Reply #3

rockin

  • Users
  • *
  • Posts: 4
    • View Profile
It would be very interesting to see the VRay image, if you still have it, even if the differences are minor!

2014-04-08, 14:26:13
Reply #4

rickeloy

  • Active Users
  • **
  • Posts: 28
    • View Profile
Here's the V-Ray version...

2014-04-09, 08:06:38
Reply #5

Tanakov

  • Active Users
  • **
  • Posts: 839
  • Corona is faster than diarrhea
    • View Profile
    • https://www.behance.net/Gringott
This is sstupid, you compare 2 images with 2 diffrent camera settings, one has post and other does not.

You waste people time by this, also you materials look mostly straight "Converted"
Using Corona since 2014-01-02
https://www.behance.net/Gringott

2014-04-09, 14:42:26
Reply #6

rickeloy

  • Active Users
  • **
  • Posts: 28
    • View Profile
Look, Tanakov, in case you did not read the first post I was not comparing both engines. I just wanted to see how the converter behaves in a somewhat complex scene (the original materials had some intrincated settings) and specially the displacement. Thought this was important to figure out for me since my workflow is 100% based on VRay and if I'm to consider making the jump to Corona I need to be sure everything works in case of need.
Never wanted to compare the two pics. If that was the case, I'd have posted both side by side (which I didn't, I just posted the VRay version because people asked me to). Not reading the original post and stoping by to criticize something that was already stated by the original poster is a waste of time and just plain stupid, imo.

2014-04-09, 17:20:53
Reply #7

racoonart

  • Active Users
  • **
  • Posts: 1446
    • View Profile
    • racoon-artworks
For instance, I wanted to test the Material Converter with a couple donzen different materials. Found some discrepancies, some weirdness with anisotropy, but all fixable. The other thing I noticed was a small problem with the displacement: Corona seemed to simply ignore the mapping already applied to the object, which was kind of weird.

I'd appreciate it if you could post possible problems (with descriptions and - if possible - stripped down maxfiles) in the converter thread :) I can only fix the issues that get reported ;)
Any sufficiently advanced bug is indistinguishable from a feature.

2014-04-09, 17:39:19
Reply #8

Ondra

  • Administrator
  • Active Users
  • *****
  • Posts: 9048
  • Turning coffee to features since 2009
    • View Profile
For instance, I wanted to test the Material Converter with a couple donzen different materials. Found some discrepancies, some weirdness with anisotropy, but all fixable. The other thing I noticed was a small problem with the displacement: Corona seemed to simply ignore the mapping already applied to the object, which was kind of weird.

I'd appreciate it if you could post possible problems (with descriptions and - if possible - stripped down maxfiles) in the converter thread :) I can only fix the issues that get reported ;)

welcome to my world ;)
Rendering is magic.How to get minidumps for crashed/frozen 3ds Max | Sorry for short replies, brief responses = more time to develop Corona ;)

2014-04-09, 18:28:09
Reply #9

rickeloy

  • Active Users
  • **
  • Posts: 28
    • View Profile
I'd appreciate it if you could post possible problems (with descriptions and - if possible - stripped down maxfiles) in the converter thread :) I can only fix the issues that get reported ;)
I ended up fixing the few issues I found, so I don't have them anymore. But I'll keep it in mind next time and post these there. ;-)