How to highlight particular points in a 3D surf plot?

I would like to highlight only important points that I want in a 3D surf plot. Please suggest a method to do it.

Thank You in advance!

Answer 1

[KSSV]

[X,Y,Z] = peaks(25) ;
surf(X,Y,Z)
hold on
%%highlight points which are greater then 5
idx = Z>=3 ;
plot3(X(idx),Y(idx),Z(idx),'.r','markersize',10)
%%highlight points which are less then 5
idx = Z<=-3 ;
plot3(X(idx),Y(idx),Z(idx),'.b','markersize',10)

[vishnu venkat]

Thank you for the reply. I actually want to choose one single point to highlight. Can you explain me how to do it? Thank you

[KSSV]

If you know the point's location, use plot straight away...if you know the value, use find to get the index and then plot.

[vishnu venkat]

Thank you sir!