search for: naturalearthdata

Displaying 1 result from an estimated 1 matches for "naturalearthdata".

2011 Jul 14
1
calculating distance inland from coastline
Hi All, Does anybody know of any existing functions that will calculate distance inland from a coastline? It's possible to test if a lon,lat location is land or sea using map.where(), but I need to add a buffer to this of say 2km, to allow for points that are just on the coast, and below the resolution of the worldHires database. I'm working with a marine mammal satellite telemetry