Change units of colorbar

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ARP
ARP 2019-3-12
评论： ARP 2019-3-26
Hi,
How can I change the units of the colorbar? The image has units in the logarithm scale. I would like to show the tick labels of the colorbar in the linear scale.
The tick labels in the colorbar display show (-1.5, -1, -0.5, 0, 0.5, 1). I would like to chage them to the linear scale, (0.03,0.10,0.32,1.00,3.16,10.00).
Is thre a way to do that without affecting the interval of the image? I have tried with c. Limits = [10^(-1.6) 10^(1.2)]. It does the job on chaging the scale bar, but also changes the image to the linear scale. I don't mind to write it manually, but how to do it?.
I also tried as in the example colorbar doc, but returns : Index exceeds matrix dimensions.
c('Ticks', [-1.5,-1,-0.5,0,0.5,1],'Ticklabels',[0.03,0.10,0.32,1.00,3.16,10.00]);
Here is the code for the image:
imagesc(x_axis,distance_subset,log10(AV_c_3(1:end,:)),[-1.6 1.2]);
colormap(jet);
c = colorbar('location', 'SouthOutside');
axis image
xlabel('Lateral length (mm)')
ylabel('Depth (mm)')
Thanks in advance

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回答（1 个）

Naman Bhaia
Naman Bhaia 2019-3-21
Hello Andres,
What I understood from your question is that you just want to change the X-axis labels. Since you said that you are willing to do it manually, have a look at this link and see if it helps.
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Image Analyst
Image Analyst 2019-3-26
The help for colorbar() has an example showing you how to change the tick labels:
contourf(peaks)
colorbar('Ticks',[-5,-2,1,4,7],...
'TickLabels',{'Cold','Cool','Neutral','Warm','Hot'})
ARP
ARP 2019-3-26
Yes thanks, that is were I looked in first place.
That is why I tried: ( change colobar units from the logarithm to linear scale)
c = colorbar('location', 'SouthOutside');
c('Ticks', [-1.5,-1,-0.5,0,0.5,1],'Ticklabels',[0.03,0.10,0.32,1.00,3.16,10.00]);
And returns the following error:
Index exceeds matrix dimensions.
Error in comparison_short_vs_long (line 603)
c('Ticks', [-1.5,-1,-0.5,0,0.5,1],'Ticklabels',[0.03,0.10,0.32,1.00,3.16,10.00]);

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