Hello,
I have a simple contour2d plot that contours the zero level in a dataset, and
that is fine. However, it is not easy to extract the data for the two curves as
the figure properties suggest that the data are duplicated.
Checking the graphic entities:
f=gca().children.children
f = [12x1 handle]
Polyline
Text
Polyline
Text
Polyline
Text
Polyline
Text
Polyline
Text
Polyline
Text
Now, checking the data for each polyline entity (1 at the top and 6 bottom),
f(1) and f(4) both give {298,2] and f(3) and f(6) as [305, 2]. The same effects
are observed, I think, with the help demo for contour2d.
Why is the data duplicated and the text also? Is there an easy way to pick each
curve without testing the size of the data?
This code works, but it concatenates all of the polyline data
[xout,yout] = contour2di(x, y, uz, [0 0]);
Trying to replicate the functionality of Matlab's contourc function and
contour2d in Scilab is the closest.
Thanks
Lester
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