World Cost outline

The GSHHG is a high-resolution geography data set, amalgamated from two databases in the public domain: World Vector Shorelines (WVS) and CIA World Data Bank II (WDBII). The former is the basis for shorelines while the latter is the basis for lakes, although there are instances where differences in coastline representations necessitated adding WDBII islands to GSHHG. The WDBII source also provides all political borders and rivers. GSHHG data have undergone extensive processing and should be free of internal inconsistencies such as erratic points and crossing segments. The shorelines are constructed entirely from hierarchically arranged closed polygons.

http://www.ngdc.noaa.gov/mgg/shorelines/gshhs.html

http://sourceforge.net/projects/opencpnplugins/files/opencpn_packaging_data/opencpn-tcdata_3.3.1932.tar.bz2/download

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OpenCPN-gshhs-Data.spec 0000001203 1.17 KB 8 months
opencpn-gshhs_2.2.4.tar.xz 0070644960 67.4 MB over 4 years
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