Community
Bifrost Forum
Welcome to the Bifrost Forum. This is the place for artists using Bifrost to ask and answer questions, browse popular topics, and share knowledge about creating effects procedurally using Bifrost. You can also visit the Bifrost Community on AREA to download an array of ready-to-use graphs, read Bifrost news and updates, and find the latest tutorials.
cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

Usd Geometry Roundtrip via bifrost

1 REPLY 1
SOLVED
Reply
Message 1 of 2
ilpoldoU8ACM
235 Views, 1 Reply

Usd Geometry Roundtrip via bifrost

Hi, I am trying to use a bifrost graph to load a Maya mesh exported via usd. The aim is to get the displayColor (and ideally the component tags) back into a Maya mesh.

I manually renamed the color exported from Maya to primvars:displayColor. The attribute seems to come through fine using mayaUsdProxyShape when reading the usd stage directly or via the bifrost graph.

 

When I use bifrostGeoToMaya, however the color set does not come through (see screenshot).

 

I had a look at pages like:

https://help.autodesk.com/view/BIFROST/ENU/?guid=Bifrost_MayaPlugin_output_objects_to_the_scene_conv...

and 

https://forums.autodesk.com/t5/bifrost-forum/bifrost-color-to-maya-colorset/m-p/9925306

 

And I am not still sure what I am doing wrong.

 

The color attribute from the stage is coming in as array<Math::float3>, I tried changing it to a different shade and to  array<Math::float4> and while the change looked ok in the proxy preview and the alpha worked, the Maya mesh was still grey. Is this step necessary?

 

Do I need to manually plug the Color Set from the bifrost graph into the Maya mesh node?

 

Am I missing anything else?

 

Sounds like component tags are not supported in bifrost yet. Is there an alternative to "tag" some of the components in the bifrost graph in a way that can be used with deformers in Maya?

1 REPLY 1
Message 2 of 2

Hi,

In your attached scene you need to specify the property you want to use to set the point_color property.
In the get_geo_property node that is connected to the "Set geo point_color", the property name is not specified. You need to set it to "color". Finally, in order to see the color set in Maya viewport, select the Maya mesh coming from the bifrostGeoToMaya node and click on "Toggle Display Color Attribute" in the "Mesh Display" menu.

 

Hope this help!


Guillaume Laforge
Software Development Manager

Can't find what you're looking for? Ask the community or share your knowledge.

Post to forums