MATLAB: Could I use gplot in different linewidths and colors; how?/

gplot;

hi all

Could I use gplot to produce analytical hydraulics. As, I suppose to have output of different pipe diameters (different segment/riches) and different materiasl within some pipelines. Either, I have attached docs, It always generates postive integer or logical value-error. unique code could be source of errors

Thanks in advance

Best Answer

Hi MatLab community I got the answers through new MatLab version, 2018. All line properties are analysed by gplot/g graph capabilities. Thanks

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MATLAB: Generating adjacency matrix for an un-directed graph

Are you using a graph object? If so, call adjacency on it. If instead you just have a list of edges, take a look at the functions sparse or accumarray.

MATLAB: How to use “gplot” function

I assume you want to plot based on the adjacency matrix A? You'll have to figure out exactly how to define an objects coordinates... an edge point? The centroid?

In the example below, I've just chosen the first point of each boundary. Is this similar to what you're looking for?

 BW = imread('blobs.png');
 [B, L, N, A] = bwboundaries(BW,'noholes');
 xy = cell2mat(cellfun(@(x) [x(1,2) x(1,1)], B, 'uni', 0));
 figure;
 imshow(BW) 
 hold on
 plot(xy(:,1), xy(:,2), 'b.')
 gplot(A, xy, 'r');

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Related Solutions

MATLAB: Generating adjacency matrix for an un-directed graph

MATLAB: How to use “gplot” function

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