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Tooltip doesn't work properly in line with InterpolationOrder 2, 3, etc

Jos Klaps, Home / Hobbyist
Posted 4 years ago

Hi All,

I got a problem. The function 'Tooptip' doesn't work properly with the function 'InterpolationOrder' 2 or 3, etc. but works fine with 'InterpolationOrder 0 or 1. Why???

dataMean = {32.4, 32.6, 39.3, 40.1, 45.2, 48.2, 48.8, 51.4, 52.5, 
   52.9};
dataMedian = {25.0, 27.0, 37.5, 38.0, 45.0, 52.0, 54.0, 59.0, 63.0, 
   59.0};
dataStDev = {25.1, 23.3, 26.2, 27.6, 26.8, 27.5, 28.3, 26.5, 27.5, 
   25.9};
ListLinePlot[Tooltip [{dataMean, dataMedian, dataStDev}]
 , InterpolationOrder -> 1 (* Always an ERROR message with 2 or 3, etc. *)
 , PlotMarkers -> Automatic
 , PlotRange -> {{1, 10}, {10, 70}}]

Please can you help ?

Thanks,...Jos
POSTED BY: Jos Klaps
4 Replies
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Hi Gustavo,

The problem is now solved and interpolation works perfectly. Thank you very much.

Yes, it's probably a bug.

Best Regards and again thanks for your support. ..... Jos
POSTED BY: Jos Klaps

It looks like a bug. Anyway, this is longer but it works:

Show[
 Plot[
   Evaluate@Map[Interpolation[#, InterpolationOrder -> 3][x] &, {dataMean, dataMedian, dataStDev}],
   {x, 1, Length[dataMean]}, PlotRange -> {{1, 10}, {10, 70}}],
 ListPlot[Tooltip[{dataMean, dataMedian, dataStDev}], PlotMarkers -> Automatic]]
POSTED BY: Gustavo Delfino

In the Tooltip documentations it says "Tooltip[expr] is equivalent to Tooltip[expr,expr]." but somehow this is not always the case because this works perfectly: 

dataMean = {32.4, 32.6, 39.3, 40.1, 45.2, 48.2, 48.8, 51.4, 52.5, 52.9};
dataMedian = {25.0, 27.0, 37.5, 38.0, 45.0, 52.0, 54.0, 59.0, 63.0, 59.0};
dataStDev = {25.1, 23.3, 26.2, 27.6, 26.8, 27.5, 28.3, 26.5, 27.5, 25.9};
ListLinePlot[
 Tooltip[{dataMean, dataMedian, dataStDev}, 
         {dataMean, dataMedian, dataStDev}], 
 InterpolationOrder -> 3 (*Always an ERROR message with 2 or 3,etc.*),
  PlotMarkers -> Automatic, PlotRange -> {{1, 10}, {10, 70}}]
POSTED BY: Gustavo Delfino

Hi Gustavo,

Thanks for your quick reply and help. I still got problems.

When I moved the cursor now over the PlotMarkers, the whole range of data is highlighted. See screenshot

Do you now why ??. enter image description here

Thanks in advance,..... Jos
POSTED BY: Jos Klaps
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