A vertex color attribute set in geometry nodes doesn't show in the viewport #118126
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Reference: blender/blender#118126
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System Information
Operating system: Windows 10 22H2
Graphics card: GTX 1060
Blender Version
Broken: 3.6.8, 4.0.2
Worked: 3.3.15
A color attribute (Byte Color on Face Corner) set in geometry node doesn't show in the viewport. It is black.
The values are showing in the spreadsheet thought.
I can't confirm, however this issue has been reported before, see #106563. Will merge reports. Please subscribe in #106563 if you want to see further updates.
Does "Attribute" show up in the Color Attributes list?
Does it work when you create the attribute first (and only then store the color from the geonodes tree)?
Seems to work fine then:
@mod_moder : this report was not about instancing, so I dont really think this is a duplicate of #106563
@lichtwerk This is issue about creating new attribute. In your casem you just rewrite original one. Try to create
Cube Primitivenode. Name of duplicate is not really clear though...No, because I'm creating the geometry from scratch. But I've tried that, it doesn't work. As well as setting Color outputs from as I've seen mentioned here: https://blender.stackexchange.com/questions/245691/geometry-nodes-output-to-vertex-color
Yes it does, but not if I create the geometry in GN, which is the point
I've tried something (in 3.6):
If I apply the GN Modifier (which is not what I want to do), then I switch to Object Data Properties, the Color Attribute is showing, but it is still black in the viewport. If I then click on this Color Attribute, the color appears in the viewport.
The attribute has to active (e.g. clicked on in the list) for the workbench to show up.
Colors set via the Store Named Attribute Node are never really active, so...
https://docs.blender.org/manual/en/4.0/render/workbench/color.html
See related discussion in #114657
There is also #117249 which at least makes it the default color, but that does not really help for the workbench...
I dont really think this is a bug, just a workflow issue (that is unlikely to be changed -- @HooglyBoogly correct me if I am wrong).
As an alternative, I thought of using a Viewer node -- but I just realized that this does not really output colors? just values?
correction, this seems to be fixed now
Thank you for your investigation. I though it may have been related.
I don't understand all the dev talks, but I think we can expect the workbench to show the color attribute set by GN, as it's should be unified behavior IMO. For now, too bad I'm stuck with 3.3 for this workflow.