Bar series plot, transparent colors on the bars

Question

kathrigr 2015-5-6

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/215322-bar-series-plot-transparent-colors-on-the-bars

评论： paul harder 2018-9-19

I use Matlab v. R2014b and have a problem with setting the bar series plot to have transparent colors. I add 9 different data sets (given by a&b) on one single plot/figure, using a for-loop and the hold on comand. A simplification of the code is given here:

-------------------------------------------------------------

plotStyle = {'b','k','r','g','c','m','y',[1 0.270588 0],[0.180392 0.545098 0.341176]}; %setting colors for the plot

for i=1:9 %starting for-loop

 a=[1; 2; 3; 4; 5]; %vector giving moment, x-axis
 b=[10; 3; 5; 7; 9]; %vector giving number of occurences, y-axis    
 z=rand();
 a=a.*z;
 b=b.*z;
 % Both a & b is updated for every round of the loop, here exemplified with use of a random number
 figure (1)
 bar(a,b,'FaceColor',plotStyle{i},'EdgeColor',plotStyle{i});
 legendInfo{i} = ['Overpull' num2str(i)];
 hold on

end %ending for-loop

legend(legendInfo) %displaying legend

-----------------------------------------

To get transparent bar I therefore tried to add "FaceAlpha" in the "bar-command", but this is not allowed for barseries as far as I have found out. I have also tried using handles with pathces, but this doesent seem to work with this version of matlab... Does anyone have a solution on how to get transparent colors on the bars?

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Answer 1

Brendan Hamm 2015-5-6

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https://ww2.mathworks.cn/matlabcentral/answers/215322-bar-series-plot-transparent-colors-on-the-bars#answer_178051

Try the solution I have pasted in another post ... just last night. I have made a function which creates the patches necessary to create a transparent bar plot.

http://www.mathworks.com/matlabcentral/answers/213991-matlab-put-transparancy-on-a-bar-plot

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kathrigr 2015-5-6

Perfect! however, i had a problem with my labels when using this patch function you created(the labels come up in the plot, but the colors are not correct(all blue)). Do you know if there is a simple way of including labels in this function?

Brendan Hamm 2015-5-7