Large render with Arnold....can i tile?

[john clausing]

Has anyone rendered a single frame for print at a rediculous size? 102,000 pixels?....with Arnold?

We have Qube for our render manager, but i remember using Royal Render with its auto - tile function.
It used to be that Arnold would not allow that tiling, but have things changed?

Any other ideas? I seem to remember something about using multiple cameras and compositing

Any help would be great

Thanks,

John

[Kiryha Krysko]

There was a script, which creates a grid of cameras (3X3, 4X4 etc) from your render camera so you can render each piece with a smaller resolution.

Lifesaver for Mentalray Prints. Can't recall the name, but keys are "tile render Mel script". This technique should work with any render engine.

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[john clausing]

thank you.....i found that in a previous search and it was 2008 so i figured it would never work now....lol
i'll have a look, thanks

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[john clausing]

looked promising but doesn't recognize "mtoa"......

On Friday, October 13, 2017 at 1:28:30 PM UTC-4, Kiryha Krysko wrote:

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[Kiryha Krysko]

If its only about splitting the original camera into several new - should works. Or I hope it would be easy to fix it.

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[Lars Gerstenmaier]

Guess you already tried to render the image straight in one piece? We just rendered an image at 70k x 40k with VRay and also it took 11h, it rendered fine on one 64GB machine. But there were not heavy textures involved.

Lars

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[john clausing]

we're currently testing "max sizes".....

[Nathan Shipley]

What about some mix of settings using the film back scale and translate on one camera to make tiles?  You could make a series of render layers and then override the translate values per layer.  I'm not totally sure how to do this precisely, but maybe that'd work?

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[Ark]

You can make tiling in a single camera by using it's Post Scale and animating Film Translate. FilmTranslateH should be in range from -/+ 0.9 and FilmTranslateV in range -/+ 0.9/resolutionAspect (that's for Fit Resolution Gate set to Fill or Horizontal), Post Scale is your actual tiling.

That means, if you need 19200x10800 image and want to tile it as 10x10 1920x1080 images, set Post Scale to 10 and animate H from -0.9 to 0.9 in 10 frames 10 times each time adding a step to V, starting from -0.506 (since 0.9/(1920/1080) = 0.506) and up to 0.506. You will have 100-frame animation that you can render. I hope you get an idea. Should be better than multiple cameras, since the pieces will remain flat. Attaching a test scene with expressions - should be seamless.

Btw, if you want to see the proper framing in viewport, make sure you have overscan 1.0

[john clausing]

thank you, i'll try that