How to add 3D points to a surfc surface plot?

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Anders
Anders 2013-1-22
Hi MATLAB Central,
I have a 2D matrix called "HS" with columns (X) and rows (Y). Using the command below I can produce a beautiful 3D surface plot:
figure;
surfc(X, Y, HS);
shading interp
However, what I really want to do is to add points to the surface plot. So I want to do something like:
figure;
hold on;
surfc(X, Y, HS);
shading interp
plot3(x,y,z, 'ko');
hold off;
When I do this the 3D surface plot breaks down. Even in the absence of the plot3 command, just adding the hold on;/hold off; causes the surface plot to break down into a 2D heatmap.
Surely, there must be a way to co-plot points onto a 3D surface plot? Does anyone know how?
Thanks in advance,
Anders

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Walter Roberson
Walter Roberson 2013-1-22
More the "hold on" until after the "surfc".

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