3 Answered Questions for the topic open data


How can I find the nearest point on the coast from an ocean location?

Given some location of interest $X$ in a lake or in the ocean with known lat and lon, I'd like to find the lat and lon of the coastal location that is closest to $X$, as well as distance between... more


What kind of data is best shown in a rose diagram?

I am looking for some geological data where presenting it in a rose diagram is desirable. I don't really know what kind of data is suitable. Any suggestion of data —preferably from the field of... more


Street and road data?

Where do companies like Google and Yahoo and Mapquest get their street and road data? Is this a data source that the public has access to?

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