This is probably very simple. I want to do a simple ListContourPlot.

contourData = Table[ myFunc[x,y], {x,0.1, 2.9}, {y,0.1, 2.9}];

This works without a problem.

Now, I want to include x and y values so that I can show the values corresponding to specific values of x and y. I modify the Table statement to include x and y values.

contourData = Table[ {x,y, myFunc[x,y]}, {x,0.1, 2.9}, {y,0.1, 2.9}];

My contour plot is now blank. I'm guessing it is a problem with the Table statement. The maximum minus minimum over this range is about 220. As this is a function of Pythagorean distance, the values vary (so I don't think it is a case of essentially equal values over the ranges of x and y.

What is the correct way to generate data for a ListContourPlot?

  • 5
    $\begingroup$ Try ListContourPlot[Flatten[contourData, 1]]. $\endgroup$ Sep 14, 2014 at 19:04
  • 1
    $\begingroup$ That was it exactly! Thank you most kindly! $\endgroup$ Sep 14, 2014 at 19:10

1 Answer 1


As an alternative to @ b.gatessucks excellent comment you might consider DataRange:

ListContourPlot[Table[Sin[x + y], {x, 0, 3, 0.1}, {y, 0, 3, 0.1}], 
   DataRange -> {{0, 3}, {0, 3}}]

enter image description here


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