I'm trying to plot a counter map over a general map (Asia or US).
Generally speaking (input data is only by example)
% Data Input
long = (:,1) lat = (:,2)
z = (:,3)
[x,y] = meshgrid(x,y)
z = x.^2 + y.^2
[C, h] = contour(x, y, z, 10)
So this where I get stuck. I use world map 'asia' but
I only see the map and not the contour map over Asia.
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How are you doing the map plotting? If you are using the Mapping Toolbox, then you can use "hold on" and you would use contourm() to do the contour plot.
If you are using the third party mapping routines, then no solution was found when someone tried this about a month ago (which does not mean it is impossible, but does mean that it was not obvious to the level of resources that the volunteers could devote to it at the time.)