Question: Plotting gridded data on a globe

I'm sure there are other Maple users who have done these things, but I'm in the early stages of learning Maple 15 after moving (up) from Mathcad.

1. How do I plot a simple wireframe map of the world?

2. If I have a dataset of gridded data where the data is in the form [latitude, longitude, number] how do I map that data to a grid on the globe and give it a height according to the magnitude of the [number]?

3. Is there a way to smooth the heights of each grid block so that the centre represents the [number], but there is a spline which interpolates between that height and the heights of the surrounding grid?

Thanks in advance

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