to facilitate testing, you can create a cluster on a mesh, and run
1. fn = MFnGeometryFilter(MGlobal.getSelectionListByName('cluster1').
getDependNode(0))
2. fnData = MFnGeometryData(fn.object())
then, if you try to print tags (which should return a key and give a hint
on what those keys are)
1. fnData.componentTags()
you get a *RuntimeError: (kFailure): Object does not exist*
This is on Maya2023
On Thursday, May 11, 2023 at 5:19:41 PM UTC-7 vince touache wrote:
> hello,
>
> I'm trying to wrap my head around the new componentTag workflow from
> maya2022+, but I find the documentation somewhat light on this topic.
>
> I understand I can interact with component tags using a MFnGeometryData
> <https://help.autodesk.com/view/MAYAUL/2023/ENU/?guid=Maya_SDK_What_s_New_What_s_Changed_2022_Whats_New_in_API_html#new-methods-and-types-added-to-mfngeometrydata-to-support-component-tags>,
>
> but every command seems to expect so called "keys", which, based on the C++
> doc, seems to be strings. But I have no clue what those keys are. Any idea
> how I can query componentTags for a given deformer with the api? And follow
> up question, how do I query what's vertices/faces/edges are actually in
> those components (similar to cmds.geometryAttrInfo), using the api?
>
> Thank you
>
>
>
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