Can't load more than one substance material

Report · Jul 20, 2021

I am part of a team working on a project that involves loading many substance materials that have been converted to redshift materials inside of Cinema 4D. The problem we are experiancing is that as soon as we load the second substance based material the substance links seem to break on the second and subsequent materials.

We get errors like the following image, showing that the shader it not found.

We found this page from adobe that seems to imply this may be a current limitation of substance and that each material will need to be manually re-linked. https://substance3d.adobe.com/documentation/integrations/visual-feedback-of-animated-substances-1185...

Are there any known workaround that could help us avoid having to manually relink everyhting

Report · Jul 21, 2021

We do not maintain the Cinema 4D plugin in house however we did run this by one of our technical artists. He was unable to reproduce the issue (his test included using windows, loaded 6 SBSAR in C4D, then converted them to Redshift Materials and upgraded the resolution to 4k; results were: it was slow but nothing broke). He did provide a follow up that hopefully can help you:

Maybe convert Substance to Redshift Material by batches of 10, to not overload the graphic card
Use the GPU engine unstead of the CPU engine in C4D preferences (CPU engine trigger by default in C4D)

Since the plugin is maintained by Cinema 4D you can log the issue at their support site (support.maxon.net)

Report · Jul 21, 2021

@Jill.T Thank you for the fast responce and for recomending that we reach out to Maxon. Our team has reached out to Maxon and have put our question on the Redshift forum as well.

I'm sorry that my original post was unclear. Our materials are built in substance, converted to redshift and then saved out as Cinema 4D files. It is when we import these .c4d files that the substance linkages break. Although we believe that this is more of a redshift issue, we thought it would be worth while to start a thread on these forums because our issue is mentioned explicitly in the adobe substance documentation mentioned above.

If possible could you have your technical artist try to replicate this issue using this criteria and see if they have any suggestions?

Report · Jul 21, 2021

Thanks @Kyle Wolff! I'll pass the additional criteria over to the technical artist