changing color for each bar plot

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Prasad Joshi
Prasad Joshi 2022-2-16
评论： Prasad Joshi 2022-2-17
How can i can change color for each color in bar plot . I am saving all this values in an percBar and doing a bar plot how can I change the individual color for an bar like for first 3 it should be red , next 3 blue and last green .. I tried but it is taking the last color only i.e green .... How can I add set of 3 color to the plot ......Thank you in advance....I am using 2016B matlab version
t= [ 200 500 1000]
%% O2 Pollutant
% t=[572,922,2000]; %%% Time to measure the Pollutant Scores
EO_10=round(FlowMng_v401_1_O2_sim_mass_cum(t(1)));
EO_45=round(FlowMng_v401_1_O2_sim_mass_cum(t(2)));
EO_200=round(FlowMng_v401_1_O2_sim_mass_cum(t(3)));
%%% score at times After TWC1 Conditions
C1_10=round(BK401d1_1_O2_sim_mass_cum(t(1)));
C1_45=round(BK401d1_1_O2_sim_mass_cum(t(2)));
C1_200=round(BK401d1_1_O2_sim_mass_cum(t(3)));
%%% score at times After TWC2 Conditions
C2_10=round(BK401d1_2_O2_sim_mass_cum(t(1)));
C2_45=round(BK401d1_2_O2_sim_mass_cum(t(2)));
C2_200=round(BK401d1_2_O2_sim_mass_cum(t(3)));
%%% Plottting
hold on
percBar= [EO_10,C1_10,C2_10,EO_45,C1_45,C2_45,EO_200,C1_200,C2_200];
%%% plotting with different colours
col=[ 'r' 'r' 'r' 'b' 'b' 'b' 'g' 'g' 'g'] % setting color
xtics=[1:1:9]
h= bar(xtics,percBar)
for i= 1:3:9
set(h,'FaceColor',col(i)) % adding facecolor to the bar plot
end
xticlab={'EO-10' 'C1-10' 'C2-10' 'EO-45 ' 'C1-45' 'C2-45' 'EO-200' 'C1-200' 'C2-200'};
set(gca,'XTick',xtics,'XTickLabel',xticlab,'Fontsize',8)
text(xtics,percBar,num2str(percBar'),'vert','bottom','horiz','center');

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采纳的回答

Cris LaPierre
Cris LaPierre 2022-2-16
See the Control Individual Bar Color example on the bar documentation page.
  3 个评论
显示 1更早的评论
Cris LaPierre
Cris LaPierre 2022-2-16
Ran in:
Try this answer from 2016
https://www.mathworks.com/matlabcentral/answers/310039-how-to-change-the-color-of-individual-bars-in-a-bar-chart
Here's an example of my interpretation of how to do this.
percBar= {'EO_10','C1_10','C2_10','EO_45','C1_45','C2_45','EO_200','C1_200','C2_200'};
x = 1:9;
y = [75 91 105 123.5 131 150 179 203 226];
c = jet(length(y));
for a = 1:length(y)
b=bar(x(a),y(a),'FaceColor',c(a,:),'barwidth',0.9);
hold on
end
hold off
xticks(x)
xticklabels(percBar)
set(gca,'TickLabelInterpreter','none')

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