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I have a Log count histogram:

DensityHistogram[myData, 100, {"Log", "Count"}, 
  ColorFunction -> "Rainbow", ChartLegends -> Automatic]

But ChartLegends -> Automatic generates an incorrect bar legend: it is linear and doesn't match the data. How can I generate the correct bar legend for a log-count density histogram?

The image depicts the linear (top - doesn't have the {"Log", "Count"} argument) histogram and the log-count histogram (bottom). They both have the same legend, which is wrong.

DensityHistograms

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2 Answers 2

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This is an extended comment.

It doesn't seem to happen in V9, so perhaps it's a version bug:

SeedRandom[42];
myData = RandomVariate[BinormalDistribution[.5], 1000]; 
DensityHistogram[myData, 10, #, ColorFunction -> "Rainbow", 
    ChartLegends -> Automatic] & /@ {{"Log", "Count"}, "Count"} // Row

Mathematica graphics

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2
  • $\begingroup$ Yes, must be. I just ran it in version 10 and the bar legends are incorrect. $\endgroup$
    – earnric
    Oct 2, 2015 at 21:07
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    $\begingroup$ Do you know how to generate the bar legend manually? I can't seem to figure it out. $\endgroup$
    – earnric
    Oct 2, 2015 at 21:08
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This is a verified BUG in Mathematica 10.1.

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  • 1
    $\begingroup$ You mean verified by Wolfram Research? If not I would not give this as an answer. $\endgroup$ Jan 11, 2016 at 6:35
  • $\begingroup$ Yea. I got an email from Wolfram support confirming this was a bug in version 10. It was working in a previous version (9), but there's a problem with it now. $\endgroup$
    – earnric
    Jan 12, 2016 at 17:06

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