Contour-plot - Delete lines in legend colorbar

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Mepe
Mepe 2021-6-25
评论： Mepe 2021-6-25
The colorbar for a logarithmic contour plot shows many small intermediate lines that I would like not to include. Can this be removed?

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Bjorn Gustavsson
Bjorn Gustavsson 2021-6-25
If you keep track of the handle returned by colorbar then it is easy to supress the ticks:
cbh = colorbar;
set(cbh,'TickLength',0.00)
However, I find these tickmarks very helpful to guide the eyes - especially for plots on logarithmic scales (but this is obviously a design choise depending on personal preferences).
HTH
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Bjorn Gustavsson
Bjorn Gustavsson 2021-6-25
It is not clear what you mean by "integrated ticks". But if you want to manually set what levels you want tick-marks at you can do so:
figure
contourf(log10(peaks(123).^2))
cbh = colorbar;
set(cbh,'Ticks',[-10 -7 -5 -3 -1 0])
In general you can get a grasp of what properties of a graphics object you can set by doing (in this case for the colorbar):
set(cbh)
From there on you can pretty much try-n-test your way forward and see what works and what suits your needs and tastes.

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