Geometry Nodes input subtype changes on assign #112646
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Reference: blender/blender#112646
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System Information
Operating system: Windows-10-10.0.19045-SP0 64 Bits
Graphics card: NVIDIA GeForce GTX 860M/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 522.25
Blender Version
Broken: version: 4.0.0 Alpha, branch: main, commit date: 2023-09-19 21:26, hash:
264c3e7bd7a6Worked: (newest version of Blender that worked as expected)
Short description of error
When setting GN modifier value in Python, float input changes subtype from
AngletoNone.Example code:
object.modifiers[0]['Socket_2'] = 3.14Exact steps for others to reproduce the error
* Note: I also noticed that subtype does not affect input default value.
Thanks for the report. I can confirm.
This may not be a bug because GN might be dealing with radian unit only (degree might be there for user convenience)
I'll forward the report to GN devs
cc @mod_moder
@HooglyBoogly @JacquesLucke Its okay to just take out id properties and reimplements all inputs as list of rna value structures? To solve all problems related with this (type rewriting, subtype cleaning, update not propagation, ...).
That might be the best long term solution, but for now, I think assigning an
IDPropertyvalue with Python should just maintain the UI data. That seems helpful in other contexts too. #106161 is slightly related too.ive found that doing anything to the inputs or outputs of the node group will cause it to refresh, and for some reason, it only needs to be done once. after it is refreshed, any other time the code is run, the inputs are formatted correctly. if a new input is added, then the bug happens to it, so i just leave the line of code at the end.
bpy.data.node_groups["Geometry Nodes"].interface.items_tree[0].description = "this somehow fixes the issue of it reformatting the text box"
(this only changes the description of the geometry output, so it doesnt change anything visible)