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Rod Boyd avatar image
Rod Boyd asked ·

How to get C4DtoA to work with Speedtree

Hi,

I can't seem to figure out how to make Speedtree 8, Cinema 4D R19, and Arnold 5 work together to render out a tree.

When I start up the Arnold IPR, the leaves don't look correct. How do I link up all the materials (Normal, Alpha, Color, Bump, ect) in the Arnold Shader Network so it renders correctly.

Any screen shot of a working Arnold Shader Network in Cinema 4D (nodes and all) would work fine as an explanation.

Also, I tried an alternative route with a .ass file I created in Maya and I get this error:

C4DtoA | 00:00:00 1898MB ERROR| [ass] line 43: node "color_manager_syncolor" is not installed

Any way around this?

Thanks so much!

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Stephen Blair avatar image
Stephen Blair answered ·

Don't export the color manager node. You don't need it, unless you're using custom color transforms.

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Rod Boyd avatar image
Rod Boyd answered ·

Hi Stephen,

Unchecking the "Color Manager" in Maya before exporting the .ass file did the trick.

Thanks again!

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Stephen Blair avatar image
Stephen Blair answered ·

If you have a working shader tree in Maya, then it shouldn't be hard to do the same thing in CINEMA 4D. I don't know anything about SpeedTree though, I don't have it here.

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Rod Boyd avatar image
Rod Boyd answered ·

Hi Stephen,

Thanks for the reply.

Do you mean: don't export the "Color Manager Node" from Maya when creating the .ass file???

Thanks again.

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That's right. You don't need to export it, and that will avoid the error.

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