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gvsig mobile, openmoko, wonthurt

How far is my boat from the shoreline?

In answer to Lanzo’s message in the Openmoko community mailing list, here is a demo where gvSIG Mobile for Openmoko v. 0.1.4 permanently shows the distance between the user and the shoreline. You only need to provide a line-type shapefile in EPSG:4326 with exactly one feature (the shoreline of your area). In this case, I recommend a vertex every 100 meters or so.

As you can see at the end of this 45-second video, the estimated distance between Plaza San Agustín (Valencia) and the Mediterranean sea is 4790 meters:

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