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Rendering with Arnold in 3ds Max using the MaxtoA plug-in.
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Issue Saving Images While Working with Arnold

14 REPLIES 14
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Message 1 of 15
culrichBRU9K
1641 Views, 14 Replies

Issue Saving Images While Working with Arnold

Something I've been having an issue with on and off with Arnold is I can't save texture images while adjusting them in Photoshop. Most of the time things work as expected; Create a material and set a texture for the base color, edit the image file with Photoshop and save it out, go back into Maya which will then have the material reload. Works great because I can edit on the fly and then check in render seamlessly.

However, I've encountered something where Photoshop won't save the image file because it's still in use. I've tried a few different things but the only thing that seems to work is to close Maya. Then I can save the image file again. I'm not sure if this is a bug or possibly a setting that needs to be changed (in Maya or Photoshop), but it slows me down regardless.


5442-imageexample.jpg

Any help would be appreciated! I'm going to try resetting my preferences next but hopefully there's a better solution out there. I've recently updated to Maya 2020, but it's an issue I've had in 2019 as well.

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14 REPLIES 14
Message 2 of 15

Same issue here with 3ds Max and Photoshop files... Files are locked and can not be saved. Same thing helps - closing 3ds Max. Started happening after a recent update to 3ds Max 2020.3 and Arnold 6.

Message 3 of 15

If you're using tx files, you can edit the original because Arnold has the tx file loaded.

But on Windows when a process has a file open, you can't save over it.



// Stephen Blair
// Arnold Renderer Support
Message 4 of 15

Thank you for your reply.

Does Arnold automatically switch out the normal texture files for .tx files? I know with past projects I've been able to edit textures and reload them without difficulty, but for some reason this current project has really thrown me for a loop.

I've tried going through the texture manager and even assigning the .tx files to each material, but I'm still getting the same issue. I'm going to play around with a new empty file and see what happens there.

Message 5 of 15
lee_griggs
in reply to: WojtekOgrodnik

Have you tried flushing the cache?

Lee Griggs
Arnold rendering specialist
AUTODESK
Message 6 of 15

By default, MtoA will automatically create and use tx files. So unless you've changed that in the render settings, tx files will be used.

If you increase the Arnold log verbosity to at least Info, the log will include a list of all texture files used.



// Stephen Blair
// Arnold Renderer Support
Message 7 of 15

Alright, I got that set up and it looks like it's working fine. Still not able to edit my images on the fly and not sure why. I'll keep trying different things when I get the chance.

Thanks again for your help.

Message 8 of 15
culrichBRU9K
in reply to: culrichBRU9K

I have a small update for others who might run into this issue and don't want to close Maya every time.

You can break the connection of the image or texture you're editing outside of Maya, re-update the Arnold scene, and that will 'release' the image file so you can edit and save over it again. Afterwards, you will have to remake that connection and re-update the Arnold scene again to see your changes. Not the best work around, but for me I'd rather not have to close Maya every time.

If anyone has anything better, please add it here.

Message 9 of 15
lee_griggs
in reply to: culrichBRU9K

Have you tried flushing the cache?

Lee Griggs
Arnold rendering specialist
AUTODESK
Message 10 of 15
ACCCC
in reply to: culrichBRU9K

Do you have automatic Mip Mapping or Tiling enabled?

If so try to flush caches

https://docs.arnoldrenderer.com/display/AFMUG/Flush+Caches

Message 11 of 15
culrichBRU9K
in reply to: ACCCC

That'll do it, thank you for your help!

Message 12 of 15
culrichBRU9K
in reply to: lee_griggs

That helps me out a lot, thank you very much for your reply!

Message 13 of 15
Anonymous
in reply to: culrichBRU9K

On the file node, uncheck "Auto-generate TX Textures" while working on Textures.

7623-1594311280136.png

Message 14 of 15
FHull
in reply to: culrichBRU9K

You can disconnect the map node from the material and reconnect after saving the PS file. Far from ideal but better then shutting 3ds max completely.

Message 15 of 15
motoki.paulo
in reply to: culrichBRU9K

Bit late, but maybe help.

Maya preferences>Files/Projects>Automatically reload updated image files.

Just in case, go to Render preferences>Arnold Renderer tab>Textures> unselect Auto-convert Textures to TX and Use existing TX Textures.

RESTART MAYA. These changes won't take effect until you restart.

Let me know how it goes 🙂

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