How to programmatically draw arcs between cities on a global map? [closed]

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I have a series o开发者_运维问答f cities that I need to programmaticly draw arcs between on a global map. The arcs also have to be labeled with a series of values. Output needs to be png or something similar (i.e. I am not looking for a javascript solution.)

Any suggestions on ways of doing this? I can choose language or tool (so long as it is free).

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From your description, any language would do. Java, Python, C# etc. They each have graphics libraries that make it easy to draw lines and text and output images.

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Ah, found one that will work perfectly myself.

http://scipy.org/Cookbook/Matplotlib/Maps

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Processing might fit your bill

http://processing.org/exhibition/