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Graphics and Visualization Wolfram Language

Trying to add a legend when using CombinePlots

Paul Newton

Posted 2 years ago

My notebook contains two functions makePlot1 and makePlot2. Which one is used depends on the setting of a variable cMethod. makePlot1 has a single Plot command which plots two data series and I use the following to add a legend to the plot: cPlotLegends -> Placed[LineLegend[{legend1, legend2}, LegendFunction -> (Framed[#, FrameMargins -> -2, Background -> White, FrameStyle -> Directive[Black]] &), LegendLayout -> "Row", LegendMarkerSize -> {{8, 8}}, LabelStyle -> {FontSize -> 10}], {Right, Bottom}] This works beautifully and produces a legend looking like this A screenshot of the full plot from makePlot1 is attached (FullPlot.png) makePlot2 uses CombinePlots to combine two plots and various "decorations" to fine-tune the results. I have tried adding legends to the two plots before combining them, and have also tried adding a legend after the two plots have been combined. If any kind soul would be prepared to take a look at this, I would be very grateful. My notebook and required data (Dissociation constants.TXT) are attached. I should add that makePlot1 was only intended to be an interim solution and that makePlot2 is what I want finally.. Attachments: Dissociation con...txt FullPlot.png V19 Calculation_...nb

POSTED BY: Paul Newton

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Rohit Namjoshi

Posted 1 year ago

Hi Paul, I have not looked at the code in the attached notebook, however, this works fine. ResourceFunction["CombinePlots"][ Plot[Sin[x], {x, 0, 2 \[Pi]}, PlotLegends -> Placed[LineLegend[{Red, Blue}, {"Sin[x]", "Cos[x]"}, LegendFunction -> (Framed[#, FrameMargins -> -2, FrameStyle -> Directive[Black]] &), LegendLayout -> "Row", LegendMarkerSize -> {{8, 8}}, LabelStyle -> {FontSize -> 10}], {Right, Bottom}], PlotStyle -> Blue], Plot[Cos[x], {x, 0, 2 \[Pi]}, PlotStyle -> Red], Frame -> True]

Hi Paul,

I have not looked at the code in the attached notebook, however, this works fine.

ResourceFunction["CombinePlots"][
 Plot[Sin[x], {x, 0, 2 \[Pi]}, 
  PlotLegends -> 
   Placed[LineLegend[{Red, Blue}, {"Sin[x]", "Cos[x]"}, 
     LegendFunction -> (Framed[#, FrameMargins -> -2, 
         FrameStyle -> Directive[Black]] &), LegendLayout -> "Row",
     LegendMarkerSize -> {{8, 8}},
     LabelStyle -> {FontSize -> 10}], {Right, Bottom}], 
  PlotStyle -> Blue],
 Plot[Cos[x], {x, 0, 2 \[Pi]}, PlotStyle -> Red],
 Frame -> True]

enter image description here

POSTED BY: Rohit Namjoshi

Paul Newton

Posted 1 year ago

Thank you very much, Rohit. Following your example I now have it working just fine and I am attaching the revised, working notebook (the previously uploaded notebook actually contained two typos which would have prevented it from working properly under certain circumstances). Attachments: V19WC Calculatio...nb

POSTED BY: Paul Newton

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