MATLAB: Repeating values on colorbar

colorbarcyclic repeating values

I have set a colobar for an experiment with a user defined limit for it, but i dont know why the colorbar is repeating the values cyclically. This is the part of the code that generates colorbar. 
limColorBar = 2.0; 
colormap(ha,'hot');
caxis([0,limColorBar])
hcolorBar = colorbar(ha); hcolorBar.LimitsMode = 'manual';
hcolorBar.Limits = [0,limColorBar];
ha.CLim = [0,limColorBar];
hcolorBar.TickLabels = round((1/17)*hcolorBar.Ticks,2);   %scalefactor 1/17 for 1.6mag; 4/83 for 2.5mag
xlabel(hcolorBar,'mm/min')
Please help me rectify this.
Thank you.

Best Answer

According to the doc, Tick mark labels, specified as a cell array of character vectors, a string array, a numeric array, a character vector, or a categorical array. By default, the colorbar labels the tick marks with numeric values. If you specify labels and do not specify enough labels for all the tick marks, then MATLAB® cycles through the labels.
Below is one workaround
close all; clc;
indexedImage = imread('cameraman.tif');
% Make it go from 0 - 2:

indexedImage = 2 * mat2gray(indexedImage);
imshow(indexedImage);
limColorBar = 2.0; 
colormap('hot');
caxis([0,limColorBar])
hcolorBar = colorbar(); 
hcolorBar.LimitsMode = 'manual';
hcolorBar.Limits = [0,limColorBar];
temp = hcolorBar.TickLabels;
hcolorBar.Ticks = [str2double(temp(1)) str2double(temp(2)) str2double(temp(3)) str2double(temp(4)) str2double(temp(5))];
hcolorBar.TickLabels = round((1/17)*hcolorBar.Ticks,2);   %scalefactor 1/17 for 1.6mag; 4/83 for 2.5mag

Another workaround
close all; clc;
indexedImage = imread('cameraman.tif');
% Make it go from 0 - 2:
indexedImage = 2 * mat2gray(indexedImage);
imshow(indexedImage);
limColorBar = 2; 
colormap('hot');
caxis([0,limColorBar])
hcolorBar = colorbar(); 
hcolorBar.LimitsMode = 'manual';
hcolorBar.Limits = [0,limColorBar];
hcolorBar.Ticks = linspace(0,limColorBar,5); %This depends on limcolorbar value
hcolorBar.TickLabels = round((1/17)*hcolorBar.Ticks,2);   %scalefactor 1/17 for 1.6mag; 4/83 for 2.5mag
xlabel(hcolorBar, 'mm/min') ;
Hope this helps!
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