Contour plot - how to show contours of irregular body in XY plane?
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Hi all
I use contour(X,Y,Z,n) function and it works fine. However, sometimes I would like to show only one part of the contours which are in top view (X-Y plane) within body of irregular shape. Something similar like "inpolygon".
Is anybody having an idea how to show only contours within selected area?
Thanks, Janez
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Sean de Wolski
2013-4-12
You could replace the values that you don't want with NaNs. For example:
[x,y,z] = peaks;
subplot(121)
contourf(x,y,z)
z(abs(z)<0.5) = nan;
subplot(122)
contourf(x,y,z)
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