Alembic vertex color export does not work in maya #60977
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Reference: blender/blender#60977
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System Information
Win 10 Pro, i7-6800k, nvidia gtx 1070
Blender Version
Broken:
2.79b release
2.80,
957b4547ae, blender2.8, 2019-01-28Short description of error
Blenders vertex color channel does not get recognized in maya
Exact steps for others to reproduce the error
Attached are two abc files created in blender and maya respectively with vertex colors applied.
Both of them read fine in blender but only the maya export works in maya.
vertexColor_blender.abc
vertexColor_maya.abc
Added subscriber: @irfancelik
Added subscribers: @dr.sybren, @ZedDB
@dr.sybren can you reproduce this?
Added subscriber: @mont29
@ZedDB 'needs information from user" is when requiring info from user (reporter of the bug)… ;)
When you want a dev to check on a report and cannot confirm it yourself, just assign and leave it as untriaged. :)
Added subscriber: @FeralMan
Hi guys. Just found this bug in Blender. And searching brings me here.
I tried to export vertex color from Blender to Maya. Alembic the only format I found to have "vertex color".
And it's doesn't work. Maya can't see the color.
Is there some progress with a solution?
Not yet
Note that FBX should also be able to export vertex color data?
Yeah, Bastien. In my case, I found the solution with FBX export.
The structure in Alembic seems to be the same in both files. Both use a subproperty of
.arbGeomParams, and both use indexed colours (thanks to D3704). Maybe Maya is very particular about the name of the vertex colour map? That's the only real difference I see; the Blender-produced file hasColwhereas the Maya-produced file hascolorSet1.Here is a Blender-produced file that uses the
colorSet1name, together with the blend file I used to make it.vertexColor_blender_colorSet1.abc
vertexColor_blender_colorSet1.blend
I remember that I tried that as well. Anyway, it still does not show up in Maya 2017 and 2018. Funny enough, I tried it in 3ds max 2019 and there they are.
It is just Maya being weird.
Added subscriber: @SteffenD
vertexColor_blender_colorSet1.abc is also working fine in Houdini 17.5:
If I create fresh geometry in Houdini and add a vertex color the main difference (except for the name which is "Cd" in Houdini terms) is that the vertex colors don't store an alpha channel like Blender does.
Don't know if this is important or causing Maya to not see the vertex colors...
Changed status from 'Open' to: 'Archived'
Thanks for testing. This seems to be a Maya issue, and not a Blender issue, so I'll close this task.