Logarithmic color scale in 2d histogram

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sam ira
sam ira le 8 Oct 2018
Commenté : ANKUR KUMAR le 8 Oct 2018
I am looking for a way to change the colorbar of a 2d histogram plotted with DisplayStyle = 'tile' to a logarithmic scale so that one can better distinguish the frequencies. Unfortunally histogram2 has no property 'ColorScale'. Thanks in advance!

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ANKUR KUMAR
ANKUR KUMAR le 8 Oct 2018
Use ruler.scale to set log axis in colorbar.
contourf(randi(1000,25,25))
cx= colorbar();
cx.Ruler.Scale = 'log';
cx.Ruler.MinorTick = 'on';
  2 commentaires
sam ira
sam ira le 8 Oct 2018
Modifié(e) : sam ira le 8 Oct 2018
I already tried this but got a
Warning: Error updating ColorBar
DataSpace or ColorSpace transform method failed
ANKUR KUMAR
ANKUR KUMAR le 8 Oct 2018
Please attach you code along with the .mat file containing required variables.

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