How do I plot a contour map on the surface of a 3-d surface?
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The idea is similar to using "surf(X,Y,Z,C)" but I want contour lines in addition to the coloring provided by C. The contour lines need to correspond to f(x,y,z), not x, y, or z. If there is a non-toolbox specific answer, that would be great. Thanks.
采纳的回答
Mike Garrity
2016-2-1
编辑：Mike Garrity
2016-2-1
A simple tricky I use sometimes is to use a colormap with a small number of colors.
[x,y] = meshgrid(linspace(-pi,pi,150));
z = cos(x).*cos(y);
c = sin(x).*sin(y);
surf(x,y,z,c,'FaceColor','interp','EdgeColor','none')
zlabel('cosine')
colormap(lines(7))
c = colorbar;
c.Label.String = 'sine';
view([-45 60])
3 个评论
Joseph
2016-2-1
John Mickett
2019-8-7
I would like to put contour lines OVER a surf plot (two different variables), so that solution doesn't work. Any suggestions? I do it in 2D all the time.
GiWon Hong
2020-2-14
Thanks, It is very helpful.
I used colormap(jet(31)) instead of colormap(lines(7)). It gives more contour likely view.
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