function to plot election-like 3d bars.
high: absolute height of the bars (1 value)
val: a vector of N-values to plot
colo: a 2D-matrix of N x RGB-color triplets
randomVote: set  make your own election and compare with reality.
This might be usefull to simulated the sort of randomness one sometimes
feels after elections.
OUTPUT: handles of the patches: for N-columns this is a 4 x N matrix,
1st line: refering to the gray/empty urn(s)
2nd -||-: -||- colored column(s)
3rd -||-: -||- bottom of the colomn(s)
4th -||-: -||- top of the column(s)
% example 1: plot 10 columns as staircase , with random colors
%example 2; %participate in Germany's election, hit <space> to give your
col=[0 0 0;1 0 0; 1 1 0;0 .6 0; 1 0 1];
paul koch (2021). votebar (https://www.mathworks.com/matlabcentral/fileexchange/27545-votebar), MATLAB Central File Exchange. Retrieved .
Nice one! Works perfectly. Yet I think this function could be made more user-friendly in some ways.
1. Leave the latter two inputs optional such that the function can be called like hp=votebar(high,val);
2. Surpress the output of hp if the function is called without output arguments
Moreover, I found it extremely useful to add some functionality to label the plots. For example it might be great, if a legend could be added to the figure using the function legend.
Yet, all in all this function offers a nice add-on to Matlab's visualization functionality.
Inspired: COLOUR DETECTOR
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