Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] Bug Reporting => [Max] Resolved Bugs => Topic started by: fedecuadros on 2021-07-25, 01:27:00

Title: Legacy Material Problems - Corona Render 7 3dsMax
Post by: fedecuadros on 2021-07-25, 01:27:00
Hi Ondra.
I have problems with old legacy material in my previous scenes, I can see the textures perfectly in viewport like before but when I click render, the textures shows with error and sometimes it show other texture not assigned. Every time I hit render, the textures are different.

Please see attached images:
Viewport.jpg --> Viewport screenshot
Render-1.jpg --> First render
Render-2.jpg --> Second render
Render-3.jpg........

I`ll try to change all textures to physical material to check if this change works.

Best.
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: romullus on 2021-07-25, 10:16:46
Please provide the scene with assets - without it it's really hard, if not impossible to tell what's going on. https://corona-renderer.com/upload
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: fedecuadros on 2021-07-25, 18:09:42
Hello Romullus,
Thanks for your response.
I uploaded the demo scene:

Successfully uploaded as 1627229298_CK-DEFI-CORONA-TEST.zip

Best
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: GeorgeK on 2021-07-26, 10:07:29
Hello Romullus,
Thanks for your response.
I uploaded the demo scene:

Successfully uploaded as 1627229298_CK-DEFI-CORONA-TEST.zip

Best

Thank you for submitting the scene, I am afraid I wasn't able to reproduce the issue the images render the same with each new render. Some things to consider.

Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: maru on 2021-07-26, 11:51:33
The scene you sent to us looks different than the one in your original screenshots. The smaller stand with the bag is missing (the one circled in red in your screenshot).
Is your scene using xrefs or some other way external objects are inserted into it?
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: fedecuadros on 2021-07-26, 16:48:26
Hello,
Thanks for your support.

I prepared a small scene with the same error, that's why you can't see the same demo render that I submitted.
We donĀ“t have any problem rendering the demo scene in corona render 6 otherwise we have problems in corona render 7 because the textures shows an error.
We`re using corona for 3 years and never had problems like this, now we had to downgrade to corona 6 to send the works to our clients.
Please let me know if you can find a solution for this.

Best
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: maru on 2021-07-26, 17:41:03
How exactly to reproduce this issue? Just start rendering a few times?
Should I use production rendering or IR?
Should I press F9?
Should I make any changes to the scene inbetween?
Please explain how to reproduce the issue in as simple way as possible.

Thank you!
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: fedecuadros on 2021-07-26, 17:47:19
I will prepare a video for you to see exactly when the error appears.
I'll try to get it up tonight.
Best.

Thanks for your support.
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: maru on 2021-07-26, 17:53:33
Thank you very much!
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: fedecuadros on 2021-07-27, 00:23:42
Hello Maru.
I uploaded a video with the issue:

Successfully uploaded as 1627338145_CK-DEFI-TEST.max-Autodesk-3ds-Max-2020-2021-07-26-18-09-04-Trim.mp4.

Please let me know if you need more information.

Best
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: maru on 2021-07-27, 14:52:10
Thanks. Unfortunately, I am unable to reproduce this.
I have one question: how exactly are you restarting interactive rendering? For example at 00:28 in your video? I do not see you clicking any button.
Also, I can see that your textures were originally placed on the Google Drive. Can you try moving them somewhere else and see if the same issue appears? (regular local drive and folder like C:\folder\)
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: maru on 2021-07-27, 14:53:53
Update: reproduced after moving the assets to Google Drive! We will investigate this.
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: fedecuadros on 2021-07-27, 15:07:15
Thanks Maru.
I'll wait for your news.

Best.
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: maru on 2021-07-27, 15:18:49
Logged.

(Report ID=CRMAX-848)
Title: Re: Legacy Material Problems - Corona Render 7 3dsMax
Post by: fedecuadros on 2021-07-28, 18:49:53
Thanks Maru.
Please let me know when the issue is fixed because we are saving our textures directly in computer HD.

Best