GSHHS
GSHHS is the "Global Self-consistent, Hierarchical, High-resolution Shoreline Database". It is a high-resolution dataset derived from the CIA World DataBank II and World Vector Shorelines, where all of internal inconsistencies such as erratic points and crossing segments have been removed.
- Coverage:
- Global.
- License:
- GPL
- Author:
- Paul Wessel, Walter H. F. Smith
- Download:
- http://www.soest.hawaii.edu/pwessel/gshhs/index.html (different formats; shapefile recommended)
Convert to GMT (from shapefile):
ogr2ogr -f GMT output.gmt input.shp