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Are there any free map pictures I can use for geographical visualizations? I'm looking for something of reasonable quality I can map lat/lon points to pixels on and play around with visualization techniques. Where does one go about finding something like this?

Dustin
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2 Answers2

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QGIS is a free and open-source desktop GIS that will be good for this purpose. By adding the free plugin OpenLayers (which is a one-click process) you have access to Google Maps, Bing Maps, OpenStreetMap and more as a basemap. These are high quality as you require. Over these you can display any data that you wish to experiment with visualising.

QGIS download link , OpenLayers plugin

Marian Nasry
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Worm
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You can use the LeafletJS API and combine with tiles from OpenStreet Maps . It will allow you to do a lot more.

Worm
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Osvaldo Maria
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