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I have a blend file that was made in a earlier version of blender and now a lot of nodes are labeled as "undefined". I don't remember what these nodes were, but I do know how to replace them. All of these Undefined nodes need to be converted into 'Mapping' nodes. Is there a way to automate this process of changing these undefined nodes into these mapping nodes?

In the pic below I simply manually added the Mapping node and changed the flow. Example file: http://www.mediafire.com/file/ypbtuinri3ntzmq/file enter image description here

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  • $\begingroup$ Can you build a small example .blend that has one of these materials mapped to a cube or something? I know how I'd do it in theory, but it would be nice to test before I post an answer... $\endgroup$
    – Ron Jensen
    Commented Aug 14, 2020 at 23:13
  • $\begingroup$ I added the example file to the OP, but here it is again: mediafire.com/file/ypbtuinri3ntzmq/file $\endgroup$
    – Tone
    Commented Aug 14, 2020 at 23:31
  • $\begingroup$ What you posted doesn't have an 'Undefined' node? In the mean time, I found a post on Blender Artists that kind of does what you're asking for. $\endgroup$
    – Ron Jensen
    Commented Aug 15, 2020 at 3:20

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Very strange. I was the one who asked this question, but my account doesn't say I asked it and I cannot comment on the Ron Jensen comment chain. The solution to my problem was that I was using blender 2.8 and updating to 2.83 LTS changed the node from Undefined and back to Mapping.

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