Remove specific edgelabels in the plot of a graph

Question

Gaetano Pavone 2021-3-14

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https://ww2.mathworks.cn/matlabcentral/answers/772368-remove-specific-edgelabels-in-the-plot-of-a-graph

评论： Aghamarsh Varanasi 2021-3-17

I would like to remove specific edgelabels in the plot of a graph. In particular, edgelabels that do not satisfy some conditions.

For example, in my graph plot function I have:

edgename=(1:7)';
active=[1 2];
passive=[4 5];
labeledge(p,edgename(~active|~passive),'');

p is the plot.

However, it doesn't work.

How can I do this?

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Answer 1

Aghamarsh Varanasi 2021-3-17

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Hi,

You can use a index array to specify which graph edges to have the edgeLabels. For example,

s = [1 1 1 2 2 3 4];
t = [2 3 4 2 5 6 7];
G = graph(s,t);
h = plot(G);
% edges that are not labled 
active = [1,2];
passive = [4,5];
edgesNotLabled = [active passive];
% create index array
idx = 1:numedges(G);
idx(edgesNotLabled) = [];
edgename=(1:7)';
% label remaining edges in idx
labeledge(h, idx, edgename(idx));