Surf plot without interpolation

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Kean Yung
Kean Yung 2014-2-7
评论： Kean Yung 2014-2-9
The x y coordinates of my data formed a T-shaped domain in stead of a rectangular domain.
[X,Y] = meshgrid(x,y);
Z = griddata(x,y,z, X, Y);
surf(X,Y,Z);
Using meshgrid and griddata will produce data out of the domain. How can i create s surf plot without interpolation? Or how to remove the extra data from the plot?
  1 个评论
Kean Yung
Kean Yung 2014-2-9
Stuffing Nan did work on the T-shaped domain, but i need to do this on a Y-shaped domain as well. Is there any other simple ways?

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John D'Errico
John D'Errico 2014-2-7
Stuff NaNs into the elements that are outside the area of interest. That part will not plot.

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