How to change the color of the connections in plot to only one color?

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Haya Ali on 1 Aug 2023

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Commented: Haya Ali on 3 Aug 2023

I am trying to make a chord diagram using the code from here (https://www.mathworks.com/matlabcentral/fileexchange/48576-circulargraph) but i am unable to change the nodes name and the color of the lines to only one color. Can anyone please help me with this.

close all; clear all; clc;
links1= [
0	0	0	0	1	0	0	0	0	0	0	1	0	0	0	1	0	0	1	0	1	0	0;
0	0	1	1	1	0	0	0	0	0	0	1	0	1	0	0	1	0	0	0	0	1	0;
0	0	0	0	0	0	0	1	0	1	0	0	0	1	1	0	1	0	0	1	0	1	0;
1	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	1;
0	1	0	0	0	0	0	1	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0;
1	0	0	1	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	1	1;
0	0	0	0	1	0	0	1	0	1	0	0	0	1	1	0	0	0	0	1	1	0	0;
0	0	0	0	0	0	1	0	0	1	0	0	1	0	0	1	0	0	1	1	0	1	0;
1	0	0	0	0	0	0	1	0	1	0	0	0	0	0	0	0	0	0	0	0	1	0;
1	0	1	0	1	0	0	1	0	0	1	1	0	1	0	0	0	0	0	0	0	0	0;
0	0	0	0	0	0	0	0	0	0	0	1	1	0	1	0	1	0	0	0	0	0	0;
0	0	0	0	1	0	0	0	0	0	0	0	1	1	0	0	1	0	0	0	0	0	1;
0	0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	1	1	1	1;
0	0	0	1	1	0	0	0	0	0	0	1	0	0	0	0	0	1	0	1	1	0	1;
0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0;
0	0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	1	0	0	0	0	0	0;
0	0	0	0	1	0	0	1	0	1	0	0	1	1	1	0	0	0	0	0	0	0	0;
0	0	0	1	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	1	1	1	1;
0	0	0	0	1	0	0	0	0	0	0	0	1	0	0	1	0	0	0	1	1	1	0;
1	1	0	0	0	0	0	1	0	1	0	0	0	0	1	0	0	0	0	0	1	0	0;
0	0	1	1	0	0	0	0	1	1	0	0	0	1	0	0	1	0	0	0	0	1	0;
0	0	0	0	1	0	0	1	0	1	0	0	0	1	0	1	1	0	0	0	0	0	0;
1	1	0	1	0	0	0	0	0	1	0	0	0	0	0	0	0	0	1	1	1	1	0];
circularGraph(links1);
[row2,col2,v2] = find(links1); %v2 will create Nx1 matrix of all correaltion values
map = colormap(hot); %intialize colormap, change the color map scheme to one of your choice
minv = min(v2(:)); %min max to establish bounds of colormap
maxv = max(v2(:));
ncol = size(map,1);
s = round(1+(ncol-1)*(v2-minv)/(maxv-minv)); %scale indicies for conversion
rgb_image = ind2rgb(s,map); %convert scaled indicies to RGB, gives Nx1X3 matrix
defaultColorMap = reshape(rgb_image, [length(v2) 3]); %reshape into Nx3 matrix

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Answer 1

Voss on 1 Aug 2023

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https://nl.mathworks.com/matlabcentral/answers/2003342-how-to-change-the-color-of-the-connections-in-plot-to-only-one-color#answer_1281992

Open in MATLAB Online

To set the node labels, you can specify them with the 'Labels' input argument to circularGraph.

To set the colormap, you can specify it with the 'Colormap' input argument to circularGraph.

close all; clear all; clc;

links1= [

0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 0;

0 0 1 1 1 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 1 0;

0 0 0 0 0 0 0 1 0 1 0 0 0 1 1 0 1 0 0 1 0 1 0;

1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1;

0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0;

1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 1;

0 0 0 0 1 0 0 1 0 1 0 0 0 1 1 0 0 0 0 1 1 0 0;

0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 1 0 1 0;

1 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0;

1 0 1 0 1 0 0 1 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0;

0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0;

0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 1;

0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1;

0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 1 0 1;

0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0;

0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0;

0 0 0 0 1 0 0 1 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0;

0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 1;

0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 1 0;

1 1 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0;

0 0 1 1 0 0 0 0 1 1 0 0 0 1 0 0 1 0 0 0 0 1 0;

0 0 0 0 1 0 0 1 0 1 0 0 0 1 0 1 1 0 0 0 0 0 0;

1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 1 1 0];

N = size(links1,1);

CG = circularGraph(links1, ...

'Label',cellstr(char(64+(1:N).')), ...

'Colormap',repmat([1 0 0],N,1));

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Haya Ali on 2 Aug 2023

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I want to plot another set of links with different color but it is dulicating the nodes name. Any solution for that please?

close all; clear all; clc;
links1= [
0	0	0	1	0	0	0	0	0	0	1	0	0	0	1	0	0	1	0	1	0	0;
0	1	1	1	0	0	0	0	0	0	1	0	1	0	0	1	0	0	0	0	1	0;
0	0	0	0	0	0	1	0	1	0	0	0	1	1	0	1	0	0	1	0	1	0;
0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	0	1;
1	0	0	0	0	0	1	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0;
0	0	1	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0	0	1	1;
0	0	0	1	0	0	1	0	1	0	0	0	1	1	0	0	0	0	1	1	0	0;
0	0	0	0	0	1	0	0	1	0	0	1	0	0	1	0	0	1	1	0	1	0;
0	0	0	0	0	0	1	0	1	0	0	0	0	0	0	0	0	0	0	0	1	0;
0	1	0	1	0	0	1	0	0	1	1	0	1	0	0	0	0	0	0	0	0	0;
0	0	0	0	0	0	0	0	0	0	1	1	0	1	0	1	0	0	0	0	0	0;
0	0	0	1	0	0	0	0	0	0	0	1	1	0	0	1	0	0	0	0	0	1;
0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	1	1	1	1;
0	0	1	1	0	0	0	0	0	0	1	0	0	0	0	0	1	0	1	1	0	1;
0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0;
0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	1	0	0	0	0	0	0;
0	0	0	1	0	0	1	0	1	0	0	1	1	1	0	0	0	0	0	0	0	0;
0	0	1	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	1	1	1	1;
0	0	0	1	0	0	0	0	0	0	0	1	0	0	1	0	0	0	1	1	1	0;
1	0	0	0	0	0	1	0	1	0	0	0	0	1	0	0	0	0	0	1	0	0;
0	1	1	0	0	0	0	1	1	0	0	0	1	0	0	1	0	0	0	0	1	0;
0	0	0	1	0	0	1	0	1	0	0	0	1	0	1	1	0	0	0	0	0	0;
1	0	1	0	0	0	0	0	1	0	0	0	0	0	0	0	0	1	1	1	1	0];
links2= [
0	0	0	0	0	-1	0	-1	-1	0	0	-1	0	0	0	-1	0	0	0	0	-1	0;
0	0	0	0	0	0	-1	0	0	0	0	-1	0	-1	-1	0	0	-1	0	-1	0	0;
-1	-1	0	0	0	0	0	0	0	0	0	0	-1	0	0	-1	0	0	-1	0	-1	0	0;
-1	0	0	-1	0	-1	-1	0	0	-1	0	0	0	0	-1	0	-1	0	-1	-1	0	0;
0	-1	0	0	0	-1	0	-1	-1	-1	0	0	0	0	0	-1	0	0	-1	0	0	0;
0	0	0	0	0	-1	-1	0	0	0	0	-1	0	0	-1	0	-1	0	-1	-1	0	0;
-1	0	-1	0	0	0	0	0	0	0	0	-1	-1	0	0	0	0	0	0	0	0	0	0;
0	-1	0	0	0	0	0	0	0	0	0	0	-1	0	0	0	-1	0	0	-1	0	-1;
0	0	0	-1	0	0	0	0	0	-1	-1	-1	0	0	-1	-1	-1	0	0	-1	0	0;
0	0	0	0	0	0	0	0	0	0	0	-1	0	0	-1	0	0	0	0	-1	-1	0;
0	-1	-1	0	0	0	-1	0	-1	0	0	0	0	0	-1	0	-1	-1	-1	-1	0	0;
-1	-1	-1	0	0	0	-1	0	0	0	0	0	0	0	-1	0	0	0	-1	-1	0	0;
0	0	0	-1	0	-1	0	0	0	-1	-1	0	0	-1	0	-1	0	-1	0	0	0	0;
-1	0	0	0	0	0	-1	-1	0	-1	-1	0	-1	0	-1	0	0	0	0	0	0	0	0;
-1	-1	0	0	0	-1	-1	0	-1	0	0	-1	0	0	-1	0	0	0	0	0	0	-1;
-1	0	-1	-1	0	0	-1	0	0	0	-1	0	0	0	0	0	0	0	-1	-1	0	0;
-1	0	-1	-1	0	0	0	0	0	0	0	-1	0	0	0	-1	0	0	-1	0	0	-1	-1;
-1	0	0	0	0	-1	-1	-1	0	-1	-1	0	-1	0	0	0	0	0	-1	0	0	0	0;
-1	-1	0	0	0	-1	-1	0	-1	0	0	0	0	0	0	0	0	0	0	0	0	-1;
0	-1	0	-1	0	-1	0	0	0	-1	-1	-1	0	0	0	-1	-1	0	0	0	0	-1;
-1	0	0	0	0	-1	-1	0	0	0	-1	-1	0	0	-1	0	0	-1	0	0	0	0;
-1	-1	0	0	0	0	0	0	0	0	0	-1	0	0	0	0	0	-1	0	-1	0	-1;
0	-1	0	-1	0	0	0	-1	0	0	0	-1	0	-1	-1	-1	0	0	0	0	0	0;];
N = size(links1,1);
A = ["D1";"D2";"D3";"D4";"D5";"D6";"D7";"D8";"D9";"P1";"P2";"P3";"P4";"V1";"V2";"V3";"V4";"V5";"V6";"V7";"V8";"V9";"V10"];
CG = circularGraph(links1, ...
    'Label',cellstr(char(A)), ...
    'Colormap',repmat([1 0 0],N,1));
hold on
CG1 = circularGraph(links2, ...
    'Label',cellstr(char(A)), ...
    'Colormap',repmat([0 1 1],N,1));

Voss on 2 Aug 2023

Open in MATLAB Online

I don't see the duplicates.

close all; clear all; clc;

links1= [

0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 1 0 0;

0 0 1 1 1 0 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 1 0;

0 0 0 0 0 0 0 1 0 1 0 0 0 1 1 0 1 0 0 1 0 1 0;

1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1;

0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0;

1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 1;

0 0 0 0 1 0 0 1 0 1 0 0 0 1 1 0 0 0 0 1 1 0 0;

0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 1 0 1 0;

1 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0;

1 0 1 0 1 0 0 1 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0;

0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0;

0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 1;

0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1;

0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 1 0 1;

0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0;

0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0;

0 0 0 0 1 0 0 1 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0;

0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 1;

0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 1 0;

1 1 0 0 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0;

0 0 1 1 0 0 0 0 1 1 0 0 0 1 0 0 1 0 0 0 0 1 0;

0 0 0 0 1 0 0 1 0 1 0 0 0 1 0 1 1 0 0 0 0 0 0;

1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 1 1 0];

links2= [

0 0 0 0 0 0 -1 0 -1 -1 0 0 -1 0 0 0 -1 0 0 0 0 -1 0;

0 0 0 0 0 0 0 -1 0 0 0 0 -1 0 -1 -1 0 0 -1 0 -1 0 0;

-1 -1 0 0 0 0 0 0 0 0 0 0 -1 0 0 -1 0 0 -1 0 -1 0 0;

0 -1 0 0 -1 0 -1 -1 0 0 -1 0 0 0 0 -1 0 -1 0 -1 -1 0 0;

0 0 -1 0 0 0 -1 0 -1 -1 -1 0 0 0 0 0 -1 0 0 -1 0 0 0;

0 0 0 0 0 0 -1 -1 0 0 0 0 -1 0 0 -1 0 -1 0 -1 -1 0 0;

-1 0 -1 0 0 0 0 0 0 0 0 -1 -1 0 0 0 0 0 0 0 0 0 0;

0 0 -1 0 0 0 0 0 0 0 0 0 0 -1 0 0 0 -1 0 0 -1 0 -1;

0 0 0 0 -1 0 0 0 0 0 -1 -1 -1 0 0 -1 -1 -1 0 0 -1 0 0;

0 0 0 0 0 0 0 0 0 0 0 0 -1 0 0 -1 0 0 0 0 -1 -1 0;

0 0 -1 -1 0 0 0 -1 0 -1 0 0 0 0 0 -1 0 -1 -1 -1 -1 0 0;

0 -1 -1 -1 0 0 0 -1 0 0 0 0 0 0 0 -1 0 0 0 -1 -1 0 0;

0 0 0 0 -1 0 -1 0 0 0 -1 -1 0 0 -1 0 -1 0 -1 0 0 0 0;

-1 0 0 0 0 0 -1 -1 0 -1 -1 0 -1 0 -1 0 0 0 0 0 0 0 0;

0 -1 -1 0 0 0 -1 -1 0 -1 0 0 -1 0 0 -1 0 0 0 0 0 0 -1;

0 -1 0 -1 -1 0 0 -1 0 0 0 -1 0 0 0 0 0 0 0 -1 -1 0 0;

-1 0 -1 -1 0 0 0 0 0 0 0 -1 0 0 0 -1 0 0 -1 0 0 -1 -1;

-1 0 0 0 0 -1 -1 -1 0 -1 -1 0 -1 0 0 0 0 0 -1 0 0 0 0;

0 -1 -1 0 0 0 -1 -1 0 -1 0 0 0 0 0 0 0 0 0 0 0 0 -1;

0 0 -1 0 -1 0 -1 0 0 0 -1 -1 -1 0 0 0 -1 -1 0 0 0 0 -1;

0 -1 0 0 0 0 -1 -1 0 0 0 -1 -1 0 0 -1 0 0 -1 0 0 0 0;

0 -1 -1 0 0 0 0 0 0 0 0 0 -1 0 0 0 0 0 -1 0 -1 0 -1;

0 0 -1 0 -1 0 0 0 -1 0 0 0 -1 0 -1 -1 -1 0 0 0 0 0 0;];

N = size(links1,1);

A = ["D1";"D2";"D3";"D4";"D5";"D6";"D7";"D8";"D9";"P1";"P2";"P3";"P4";"V1";"V2";"V3";"V4";"V5";"V6";"V7";"V8";"V9";"V10"];

CG = circularGraph(links1, ...

'Label',cellstr(char(A)), ...

'Colormap',repmat([1 0 0],N,1));

hold on

CG1 = circularGraph(links2, ...

'Label',cellstr(char(A)), ...

'Colormap',repmat([0 1 1],N,1));

Haya Ali on 3 Aug 2023

Maybe theres a problem with my MATLAB. Thanks for the quick response.

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How to change the color of the connections in plot to only one color?

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How to change the color of the connections in plot to only one color?

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