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(Fixed) [HOU-2404] Error when colorspace parameters are locked

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  • (Fixed) [HOU-2404] Error when colorspace parameters are locked

    We lock the different colorspace parameters and handle them with our own tools as artists still havent fully picked up on how ACES works and etc. If they are locked (especially BitmapBuffer_color_space) we get this traceback when "auto transfer function" is turned on.
    I think you need to check isLocked() on the parm before trying to set it.

    Code:
    File "<stdin>", line 1, in <module>
    File "/path/to/vray/builds/vray_adv_50050_houdini18.0.499_0fb7e2a/vfh_home/scripts/python/vfh/__init__.py", line 194, in texBitmapAutoTransferFunction
    node.parm(parmName).set(colorSpace)
    File "/opt/hfs18.0.499/houdini/python2.7libs/houpythonportion/Parm.py", line 81, in set
    self._set(value)
    File "/opt/hfs18.0.499/houdini/python2.7libs/hou.py", line 50215, in _set
    def set(args): return hou.Parm__set(args)
    PermissionError: Failed to modify node or parameter because of a permission error. Possible causes include locked assets, takes, product permissions or user specified permissions
    Last edited by Gosho.Genchev; 01-02-2021, 05:51 AM.

  • #2
    Hi!
    What is the status on this ticket? We need this to work in order to let the settings under the OCIO tab of the image file node to not conflict with the color management settings under the bitmap tab.

    Cheers!
    Head of Lighting @ Goodbye Kansas Studios

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    • #3
      Here is a post refering to a connected issue
      https://forums.chaosgroup.com/forum/...ement-settings
      Head of Lighting @ Goodbye Kansas Studios

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      • #4
        Hey Hannes,

        This issue, and the request from the other thread should both be handled starting with today's nightly builds.

        Best regards!
        gosho.genchev@chaosgroup.com

        Comment


        • #5
          Thank you for fixing this so quickly Gosho.Genchev
          Head of Lighting @ Goodbye Kansas Studios

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