how to change the colorbar spacing

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karen patricia gaitan de los rios
评论： karen patricia gaitan de los rios 2021-8-3
I want to make a plot like this.
I used the PCOLOR and CAXIS function ([0 10]) to set the range. But I want the rank from 0 to 300, but that each level or label increases in a different way to linear.
How can I edit the increase in the spacing of the colored bar of the plot?
My plot in this moment is this:
But the Cscale isn't what I need.
  2 个评论
Image Analyst
Image Analyst 2021-8-3
You say you want "each level or label increases in a different way to linear". OK, no problem but you have to define that different way. Do you have some formula for it, like a gamma or log or something? If so, what is it?
karen patricia gaitan de los rios
karen patricia gaitan de los rios 2021-8-3
Yes, I need that the result to increase in a different way to the linear, for example in an exponential way. I understand the map matrix in color bar have to be defined, but I don't got how to do that.

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回答（1 个）

Vimal Rathod
Vimal Rathod 2021-6-15
Hi,
You could use the 'TickLabels' property of colorbar to put the labels which you need in the places where you would like to have.
colorbar('Ticks',[0,50,100,150,200,300],...
'TickLabels',{'0.0','3.0','4.0','5.2','15.0', '300'})
Refer to the following link for more information on colorbar and also have a look at other examples given in the link for more info.
https://in.mathworks.com/help/matlab/ref/colorbar.html#bt56gkg

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