colorbar subplot legends problem

[danton267]

Discretization of colorbars is not properly reflected in the legend.

results in: https://chart-studio.plotly.com/~danton267/1394/using-parula256/#/
supposed to be: https://www.mathworks.com/matlabcentral/answers/uploaded_files/692629/image.png
code:

clc;    % Clear the command window.
fprintf('Beginning to run %s.m ...\n', mfilename);
close all;  % Close all figures (except those of imtool.)
clearvars;
workspace;  % Make sure the workspace panel is showing.
format long g;
format compact;
fontSize = 18;
% Read in input gray scale image.
grayImage = imread('cameraman.tif');
% Using parula with 256 colors.
subplot(2, 2, 1);
imshow(grayImage);
hold on;
cmap = parula(256);
imshow(grayImage, 'Colormap', cmap);
title('Using parula(256)', 'FontSize', fontSize);
colorbar
% Using parula with 256 colors but with every 16'th color black
% to better demarcate intensity ranges.
subplot(2, 2, 2);
imshow(grayImage);
hold on;
cmap2 = parula(256);
cmap2(1:16:end,:) = 0;
imshow(grayImage, 'Colormap', cmap2);
title('Using parula(256)', 'FontSize', fontSize);
colorbar
% Using parula with 256 colors but with only 8 ranges of 32 gray levels
% to better demarcate intensity ranges.
subplot(2, 2, 3);
imshow(grayImage);
hold on;
cmap3 = parula(8);
imshow(grayImage, 'Colormap', cmap3);
title('Using parula(8)', 'FontSize', fontSize);
colorbar
% Using parula with 256 colors but contours
% every 32 gray levels overlaid (this is 8 ranges).
subplot(2, 2, 4);
imshow(grayImage);
hold on;
cmap4 = parula(256);
imshow(grayImage, 'Colormap', cmap4);
title('Using contourf(grayImage, 32)', 'FontSize', fontSize);
colorbar
contourf(grayImage, 16)
g = gcf;
g.WindowState = 'maximized'

[gilbertogalvis]

This issue was fixed with PR #404