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What is this warning NaN about, and how can I fix it?

aidanstoneauthoraidanstoneauthor Posts: 50
edited December 1969 in New Users

In a scene with several objects, two figures, and 9 nodes of Garibaldi hair, I'm getting these warnings about NaN value. I have no idea what NaN is. The attachment shows some level 3 warnings about Nan. One says it's to do with eyes. I'm lost, and I don't want them to mess up a high quality final render, or corrupt a scene that I've spent three months creating.

warning_questions.jpg
1327 x 1990 - 411K

Comments

  • patience55patience55 Posts: 7,006
    edited December 1969

    aidanstoneauthor said:
    In a scene with several objects, two figures, and 9 nodes of Garibaldi hair, I'm getting these warnings about NaN value. I have no idea what NaN is. The attachment shows some level 3 warnings about Nan. One says it's to do with eyes. I'm lost, and I don't want them to mess up a high quality final render, or corrupt a scene that I've spent three months creating.

    The best thread for questions about Garibaldi is here: http://www.daz3d.com/forums/discussion/17751/

    It might be a good practice in general to save the large scene yes, but then remove various items and "save as" smaller scenes. The smaller scenes could then be merged back together to create the larger scene if necessary.

  • aidanstoneauthoraidanstoneauthor Posts: 50
    edited December 1969

    The garibaldi hair isn't generating the level 3 warnings. They seem to be about the eyes. What is NaN?

  • patience55patience55 Posts: 7,006
    edited December 1969

    aidanstoneauthor said:
    The garibaldi hair isn't generating the level 3 warnings. They seem to be about the eyes. What is NaN?

    Hopefully an expert drops in here:

    I found this about NaN in the docs.

    Word wise it means "Not a Number".

  • aidanstoneauthoraidanstoneauthor Posts: 50
    edited December 1969

    Patience55, thank you for the answer.

  • patience55patience55 Posts: 7,006
    edited December 1969

    aidanstoneauthor said:
    Patience55, thank you for the answer.

    You're welcome.

  • GoneGone Posts: 833
    edited December 1969

    I first started seeing these messages in the AoA lights after upgrading from DS 4.6 to 4.7.

    As far as I can tell, these messages are related to shader mixer shaders and don't have any effect on the render.

    The messages seem to derive from a combination of light and camera angle. I've had scenes where the message does not appear, changed the camera angle and suddenly had 3 or more NaN messages pop up. Changed the camera to yet another position and messages go away.

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