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In other places on StackExchange, I read: "In versions 12.0, TreePlot is changed substantially, and the legacy TreePlot is available under the name GraphComputation`TreePlotLegacy".

How do I go from this to actually using the legacy package?

Needs["GraphComputation`TreePlotLegacy"] gives an error.

I have a beautiful TreePlot created 6-7 years ago. Doesn't work now.

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  • $\begingroup$ What version are you currently using? This is helpful to us if you can include this information. $\endgroup$
    – CA Trevillian
    Commented May 29, 2020 at 2:51
  • $\begingroup$ I edited the title, as it was misleading. The question is actually not about packages. This is a built-in function, not part of a package. $\endgroup$
    – Szabolcs
    Commented May 29, 2020 at 6:13
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    $\begingroup$ Before you start using TreePlotLegacy, check if TreePlot[tree, PlotTheme -> "ClassicDiagram"] works well enough for you (it may or it may not, depending on the specific features of TreePlot you used). $\endgroup$
    – Szabolcs
    Commented May 29, 2020 at 6:14
  • $\begingroup$ To Szabolics: Trying to understand. Is GraphComputation`TreePlotLegacy not to be considered part of package, just a different context in the built-in system? Thanks for your comments so far, helping me. $\endgroup$
    – PaulCommentary
    Commented May 29, 2020 at 15:48

1 Answer 1

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Just call it like:

GraphComputation`TreePlotLegacy[KaryTree[9, 2]]

Mathematica graphics

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  • $\begingroup$ Just tested. So easy. Thanks very much. Appreciated! Took me a bit to realize that TreePlot had been changed and old options wouldn't work. Could be documented a bit better. But now I can move forward. $\endgroup$
    – PaulCommentary
    Commented May 29, 2020 at 15:46

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