Using Background 'Save in image' in VFB - Deadline/Renderfarm issue

V-Ray for Maya V-Ray for Maya :: Issues
1

Hi all

When setting the Background ‘Save in image’ in VFB to white, the white does not render when using Deadline.

We can save the multichannel .exr from the VFB and the white background gets baked in the RGB pass, but not when rendering on the farm

Cheers

Steve

saveInImage.jpg
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2

Just tested this with Deadline, and it seems to work fine. When saving Raw files, make sure the “Save Color Corrections To Raw Files (.exr and .vrimg)” option (Render Settings > Common > Image File Output > Image format options) is also active.

3

cheers for the info on ‘"Save Color Corrections To Raw Files’ but still not working for me.

Am rendering from a vrscene file - have tried from pc and Mac. The render farm is all macs

4

Does it happen in any scene? Mind if you send one and its output image so we can troubleshoot? Which V-Ray / Maya are you using?

5

Just tried with a simple scene and still no go. Here’s the simple scene:

Cheers
test_blue_VFB_for_forum.mb.zip (32.1 KB)

6

Works fine on my end with that scene (I only activated the Background layer’s “Save in image” and “Save Color Corrections To Raw Files”) with Deadline on Windows.

I tried the same procedure locally on Mac, and it also worked. Setting up Deadline will take some time, so for now, does it happen locally on your Mac? How are you previewing the images, since some previewers apply the alpha? Try opening the image in ChaosPlayer. Also, is it possible for you to try on Windows?

7

Cool, cheers.

Renders fine locally on a Mac and Windows.

We’re submitting vrscene files to the farm. Could this make a difference?

We’re opening in photoshop - using EXR-io (with alpha as a separate layer - so doesn’t knock out the background) and the default Photoshop (now opens multichannel exrs - adds a layer mask from the alpha)

8

Just tried in ChaosPlayer too but looks the same - no background colour baked in.

9

I just tested submitting a .vrscene Deadline job on MacOS with a Background layer (Save in Image = on) and “Save Color Corrections To Raw Files” in the Image format options = on, and the background is correctly saved. Please, triple-check if those options are active (they were not in the attached sample scene) in the Maya scene before exporting the .vrscene. Also, set the output path in the Render Settings if you haven’t already.

10

Cool, thanks for the info. I didn’t have the Image file format save color corrections to raw file selected.

We now get the background in the RGB pass but not split out in to the background pass.

Guess we could subtract to split out the background separately?

image.png
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11

The Background layer elements hold stuff in the 3D background (f.e, environment background in 3ds Max, or the dome light texture), not the background 2d layer. You could easily split it by duplicating the RGB and masking it with the inverted alpha.

12

Cool, cheers for your help.