I have started using MaTeX (excellent package to integrate Latex in your wonderful Mathematica generated plots).

I am getting a warning in generating the following plot

<< MaTeX`
texStyle = {FontFamily -> "Latin Modern Roman", FontSize -> 18};
  "Preamble" -> {"\\usepackage{wasysym}\\usepackage[dvipsnames]{xcolor}"}];
f[x_] := ScientificForm[
  N[x /. {NumberForm[y_, {w_, z_}] :> ScientificForm[y, 2]}], 2]
DensityPlot[Sin[x y], {x, -2, 2}, {y, -2, 2}, 
 ColorFunction -> ColorData[{"RedBlueTones", "Reverse"}], 
 ImageSize -> {500, Automatic}, PlotRange -> All, 
 PlotLegends -> 
  Placed[BarLegend[Automatic, LegendFunction -> f, 
    LegendMarkerSize -> 350, 
    LegendLabel -> 
3 T)", Magnification -> 2], LabelStyle -> texStyle], {After, Top}], 
 BaseStyle -> texStyle]

I know that the problem is in using the LegendFunction and the "\\overline" (when I remove one of the two, no warning is issued).

  • $\begingroup$ This is due to f (the LegendFunction) corrupting the Graphics expression returned by MaTeX. Since this function does not seem to do anything here anyway, remove it. $\endgroup$
    – Szabolcs
    Mar 15 at 13:00
  • $\begingroup$ Thanks for the reply Szabolcs, however the function f is indeed doing something there. It is ensuring that the legend comes out in Scientific form, and I would like to keep that. $\endgroup$
    – user12588
    Mar 16 at 15:00
  • $\begingroup$ This is a very crude way to try to change tick marks that affects all numbers within the expression, not just ticks (and is very likely to break something). I suggest you use this way instead: mathematica.stackexchange.com/a/149416/12 $\endgroup$
    – Szabolcs
    Mar 16 at 15:27

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