2
$\begingroup$

I have been using Mathematica for quite a while but am really stuck with this problem for too long now and appreciate any help. Thanks a lot.

I am using ListContourPlot to plot a list with each element of format {r,t,z}. The results of ListContourPlot do not display all data. However, when I select a particular value of t and use ListPlot, I do see the expected values. Can someone tell me why ListContourPlot is not showing the right contours?

I am using the following commands for plotting

ListContourPlot[data, PlotLegends -> Automatic, Epilog -> {Point@data[[All, {1, 2}]]}]

ListLinePlot[{Transpose[{Select[data, #[[2]] == .01 &][[All, 1]], 
Select[data, #[[2]] == .01 &][[All, 3]]}]}]

yielding

Mathematica graphics

and

Mathematica graphics

As you can see, there are in fact data points in the empty areas of the ListContourPlot. Also, notice in the list plot corresponding to t=0.01, z should be less than 0.2 for r>2*10^-8, but the contour plot gives a much higher value.

The data is available at https://pastebin.com/raw/uyLvUcb3

data = Get["https://pastebin.com/raw/uyLvUcb3"];
$\endgroup$

Browse other questions tagged or ask your own question.