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  • Error writing extra exr attributes

    Hi,
    I have som problems writing extra exr attributes to my exr files during batch render. It works fine if I do a single render in the render view, but not if I batch render.

    Vray prints this to the terminal:
    [WriteEXRExtraAttributes] Unexpected end of stream at position 8

    The image renders fine, it's just the extra attributes that doesn't get written to the exr-file.

    This is what I'm trying to write (example from the help):
    int_attr=53;float_attr=3.14;vec4_attr=(1, 2, 3, 4)


    We are using this version of vray:

    V-Ray: V-Ray for Maya version 1.50.SP1 from Jun 16 2010, 17:24:42
    V-Ray: V-Ray core version is 1.90.03
    Maya 2010-64


    By the way:

    What I want to do is to write my camera-matrix as an extra exr attribute. This works by default in vray for exr (multichannel), but we use "single-layer" exr here at our company.
    Is their a reason why vray doesn't write the camera matrix to the "single-layer" exr (as it does for multichannel)?

  • #2
    I think both issues are fixed in the nightly builds. Also note that the error during writing the extra attributes will be reported in maya only for multichannel exr. In the other case, you can see if there was an error only in batch mode. This is a limitation that can be fixed in future.
    V-Ray/PhoenixFD for Maya developer

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    • #3
      Originally posted by simpadimp View Post

      This is what I'm trying to write (example from the help):
      int_attr=53;float_attr=3.14;vec4_attr=(1, 2, 3, 4)

      ?
      just curious, can you point me to that example from the help? I'm probably not looking good but I can't find it..

      thanks
      showreel: http://vimeo.com/27236919

      Comment


      • #4
        Here you are: http://www.spot3d.com/vray/help/maya...#image_options
        Best regards,
        Zdravko Keremidchiev
        Technical Support Representative

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