Use of coordinates to plot a figure as shown
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I am trying to make a plot of some coordinates that represent each node in the system and get the lines drawn as shown in the figure. Making a plot for the coordinates is no problem, writing a script that can make the lines, im clueless.
Thank you
2 Comments
Doug Hull
on 2 Oct 2013
It looks like you have done it.
You will need to tell us how the connectivity data is stored. My guess is you have a matrix holding the XY data, and a second matrix storing the connectivity of the nodes. Please explain what this format is.
Accepted Answer
Kelly Kearney
on 2 Oct 2013
The gplot function is probably the easiest way to do this:
xy = NodeCoordinates;
ee = ElementNodes;
n = size(xy,1);
adj = sparse(ee(:,1), ee(:,2), ones(size(ee,1),1), n,n);
gplot(adj, xy);
hold on;
plot(xy(:,1), xy(:,2), 'k.');
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