How to change title and color of bars in groupe bar3?

Hello everyone,

I am not very good in Matlab and will appreciate if you help me.

I have writen the following code and get the results. However, I want to do two changes:

figure(1);

hold on;

%First x value

xval = 1;

h = bar3(HV_array_for_different_number_of_honest_vehicles,'grouped');

Xdat = get(h,'Xdata');

for ii=1:length(Xdat)

Xdat{ii}=Xdat{ii}+(xval-1)*ones(size(Xdat{ii}));

set(h(ii),'XData',Xdat{ii});

end

%Second x value

xval = 2;

h = bar3(TV_array_for_different_number_of_honest_vehicles,'grouped');

Xdat = get(h,'Xdata');

for ii=1:length(Xdat)

Xdat{ii}=Xdat{ii}+(xval-1)*ones(size(Xdat{ii}));

set(h(ii),'XData',Xdat{ii});

end

xlim([0 3]);

view(3);

xlabel('x');

ylabel('y');

zlabel('z');

The left figure is the result of code and I want to have the righ figure with the follwoing changes:

1) the color of each group should be fix. For instance, grren, red, and blue.

2) The x and y axises should be labled as it is mentioned.

[Ehsan Mack]

I do not know why the figure is not depicted, however, you can click on Question.png to see the figure. Thanks.

Answer 1

[Jaswanth]

Hi,

To change the color of a specific group of data when using the "bar3" function in MATLAB, you can adjust the properties of individual bars using the “FaceColor” property. By setting “FaceColor” to a specific color (using an RGB triplet), you can override the colormap for that particular bar.

Refer to the following MATLAB Answer explaining the process of changing the color of bars: https://www.mathworks.com/matlabcentral/answers/867253-setting-color-to-certain-data-in-3d-plot-keeping-rest-of-data-following-colormap#answer_1449546

Also, you can customize the tick marks on your MATLAB plot axes by using the “xtick”, “xticklabels”, “ytick”, and “yticklabels” functions. Refer to the following MathWorks example on Customizing the tick values and labels: https://www.mathworks.com/help/matlab/creating_plots/change-tick-marks-and-tick-labels-of-graph-1.html

You may refer to the following MathWorks documentation to know more about the functions mentioned above:

• xtick: https://www.mathworks.com/help/matlab/ref/xticks.html
• ytick: https://www.mathworks.com/help/matlab/ref/yticks.html
• xticklabels: https://www.mathworks.com/help/matlab/ref/xticklabels.html
• yticklabels: https://www.mathworks.com/help/matlab/ref/yticklabels.html

Hope this is helpful!