Batch Render only renders 3 frames (mental ray)

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Old 08 August 2011   #1
Batch Render only renders 3 frames (mental ray)

Hi guys,

I'm at my wits end. I'm trying to batch render a scene with mental ray but it will only render to 3 frames and then stop. (This only happens on Production settings)

Ok, there's lots of threads out there about batch render ending early. Well, I've done everything suggested and I don't understand why this is happening.
  • I've changed my memory settings
  • I've looked at my mental ray render log and nothing seems off. (I am new to Maya so maybe I'm missing something subtle?)
  • Ran render diagnostics and nothing is off
  • I've created a preset render setting in another blank file and used it within my scene
  • Frame padding is sufficient (3 and above- I'm only trying to render out 28 frames)
  • My scene is optimized
The only thing I can think of is that the hair is doing something funny. I am using Shave and a Haircut and Hair Primitives.
Within Shave and a Haircut, I could render the hair in a separate file, within the Shave Globals, but it won't save out the hair images separately. I followed a Digital Tutors tutorial on this and still no luck.

Please, if anyone can help me understand what is going on, I would be really appreciative!
Being new to Maya, I want to understand where I made an error so I can avoid this in the future.

Thank you!

P.S. I can post the specs from my render txt. but it's really long... if you all ask, I will post it.
 
Old 02 February 2012   #2
Way late on replying, but were you able to work out what was going on?
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Old 02 February 2012   #3
Originally Posted by TheNeverman: Way late on replying, but were you able to work out what was going on?


Hey! I did. Thanks for reminding me to update.
I ended up doing a batch render command and it worked fine. The render must have required too much with the program open (?) or my file is buggy.

I did some things with this project that I regret/wouldn't do in the future and I think those things caused my file to corrupt.
The 2 big problems were Shave & a Haircut and "Enable Color Management" working together.
Shave & a Haircut automatically changes the primary renderer to 'Rasterizer (Rapid Motion)', but with "Enable Color Management" checked, that tints the scene green.
I'll use Shave & a Haircut with future projects, but I'll probably hold off on "Enable Color Management" unless necessary.
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Old 02 February 2012   #4
Sorry to hear of the troubles...

Command-line rendering is definitely a powerful option at our disposal - glad it didn't fail you here

The majority of the MR failures I see in my own experience typically comes down to excessive memory usage, or broken shaders/geometry (and once in a long while because I had a plug-in active at some point during the project and deactivated it).

Turning the verbosity mode up to 5 can be pretty helpful on diagnosing at what stage the render is 'breaking'...

I keep a short-cut on my menu bar to execute:
select mentalrayGlobals;openAEWindow;

Where you can set the Render Verbosity, as well as access the BSP tweaking parameters...
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Old 02 February 2012   #5
P.S. That worm critter in your demoreel burrowing into the fleshy bits made my stomach turn a bit...

lol

What the heck was that?
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Old 02 February 2012   #6
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