3 Answered Questions for the topic open data

05/24/19

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
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04/11/19

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
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Open Data Geography Mapping

03/29/19

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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