Forums Technical Discussion Joint Capture Paint very unstable

Joint Capture Paint very unstable

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rendereverything
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Anybody else using Joint Capture Paint SOP and finding it very unstable? I get very frequent random "segmentation fault" crashes all the time - usually when undoing, but I can't give exact reproduction steps and fill a bug report.
Node also produces python errors. Sometimes it garbles all the weights after a python error. Sometimes I manage to save scene in a state just before crash, and I can't open it again - I get segmentation foult immediately after opening.
Overall it seems like a very nice weight painting node, just it's so unstable for me, almost unusable.
Edited by rendereverything - March 17, 2023 07:53:45
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rendereverything
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Just wanted to add to this that this has been fixed since 19.5.562 and is now working perfectly - rock solid! Thank's SideFX!
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aeaeaeae
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It's not been fixed. Crashes all the time using 19.5.569.
B-System for Houdini [ae43ae43.gumroad.com]: instance editor, blender like interface.
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itai
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Still crashing!....
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kodra
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In H20 it's completely unusable. It's not just unstable, but I literally can't enter the view state.

I got this python error:

Traceback (most recent call last):
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.590/houdini/python3.10libs\hudinfohandler.py", line 268, in onHudSetTemplate
    hud.setTemplate(kwargs["hud_template"])
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.590/houdini/python3.10libs\hudinfohandler.py", line 120, in setTemplate
    self._hud.toolInfo().setTemplate(hud_template)
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.590/houdini/python3.10libs\hutil\qt\data\panels.py", line 823, in setTemplate
    self.resolveHotkeys()
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.590/houdini/python3.10libs\hutil\qt\data\panels.py", line 857, in resolveHotkeys
    self._scene_viewer.hotkeyAssignments(symlist)
  File "C:\PROGRA~1/SIDEEF~1/HOUDIN~1.590/houdini/python3.10libs\hou.py", line 80628, in hotkeyAssignments
    return _hou.SceneViewer_hotkeyAssignments(self, hotkey_symbols)
ValueError: Invalid hotkey symbol (h.pane.gview.radial)

Even with a completely clean Houdini install without custom preferences or hotkeys.

The whole thing is just unbelievably broken. I mean, yeah, it's more of an UI bug and one can hack the python script in python3.10libs to make it work... but seriously how was KineFX the selling point of 19 and 19.5...
Edited by kodra - Jan. 21, 2024 02:23:07
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toonafish
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After all these years, still extremely buggy and unstable in 20.5.360.

Started rigging a character and trying to paint weights with "jointcapturepaint" and its a huge smelly swamp full of bugs.

I slowly get the feeling these features are just there for show, nobody expects you to actually use them...
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jumax
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Can confirm the same, was trying to get in to some kinefx and I got sidetracked with this crashy node.
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gimletful
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i spent hours painting just to realize its the node that is buggy not me.
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YottaGlow33
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Same over here.
29944: Fatal error: Segmentation fault
Crashes after I do a very simple mesh with 2 points making a joint in it. Wanting to do the weighting more smooth.. first substract and then smooth.. crash !! I didn't do something wrong, it's jointcapturepaint ( I thought the better version of captureLayerpaint, specially with the fill option.. it's paints better) anyways... I change it back to captureLayerPaint.. now more stable than Jointcapture in 20.550, it seems...

If you don't paint the weight.. you good.
If you want to paint the weight.. sometimes it's eating the polygons !!
Picture is before I did simplyfied the joints and when painting the polygons are vanishing away.
Edited by YottaGlow33 - May 29, 2025 10:49:16

Attachments:
houdini_EW2b12EL7T.png (1.1 MB)
houdini_jwVYHX9wvt.png (490.4 KB)

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raincole
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The good news is that the Python error is fixed.

The bad news is that it's still comically unstable.
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