how to put different colors for different bars for barh function.

Question

Seyhan Emre Gorucu 2012-7-17

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/43899-how-to-put-different-colors-for-different-bars-for-barh-function

Hello,

I have a bar plot that shows the value for each fluid type but I want the bar to be green if the value of the bar is larger than 0.7. The simplified code is as follows:

neworder = {
'Hot Water'     [0.2700]
'Steamflood'    [0.4500]
'N2'            [0.6800]
'CO2'           [1.0100]
'HC'            [1.0100]};
for i=1:length(neworder)
    if cell2mat(neworder(i,2))<0.7
        neworder1(i,:)=neworder(i,:);
    else
        neworder2(i,:)=neworder(i,:);
    end
end
figure
barh([neworder1{:,2}],0.5,'b');
set(gca,'YtickL',neworder1(:,1),...
    'XLim',[0 1],...
    'Color','white');
hold on
barh([neworder2{:,2}],0.5,'g');
set(gca,'YtickL',neworder2(:,1),...
    'XLim',[0 1],...
    'Color','white');

This code puts two values on the same plots as I wanted but some of the values disappear. What I want is I want to see 5 bars 3 of which are blue and the rest two are green.

Thank you very much in advance.

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Answer 1

per isakson 2012-7-18

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https://ww2.mathworks.cn/matlabcentral/answers/43899-how-to-put-different-colors-for-different-bars-for-barh-function#answer_53877

编辑：per isakson 2012-7-18

在 MATLAB Online 中打开

Study this and note especially the length and values of neworder, neworder1 and neworder2 in your and my revised code.

    function cssm()
    neworder = {
    'Hot Water'     [0.2700]
    'Steamflood'    [0.4500]
    'N2'            [0.6800]
    'CO2'           [1.0100]
    'HC'            [1.0100]};
    y_labels = neworder( :, 1 );
    neworder1 = cat( 2, y_labels, num2cell( nan(5,1) ) ); 
    neworder2 = cat( 2, y_labels, num2cell( nan(5,1) ) ); 
    for i=1:length(neworder)
        if cell2mat(neworder(i,2))<0.7
            neworder1(i,:)=neworder(i,:);
        else
            neworder2(i,:)=neworder(i,:);
        end
    end
    figure
    barh([neworder1{:,2}],0.5,'b');
    set(gca,'YtickL',neworder1(:,1),...
        'XLim',[0 1],...
        'Color','white');
    hold on
    barh([neworder2{:,2}],0.5,'g');
    set(gca,'YtickL',neworder2(:,1),...
      'XLim',[0 1],...
      'Color','white');
    end