DCW-GMT is an enhancement to the original 1:1,000,000 scale vector basemap of the world available from the Princeton University Digital Map and Geospatial Information Center and from GeoCommunity at http://data.geocomm.com/readme/dcw/dcw.html. To read and process the data you should install GMT, the Generic Mapping Tools (port gmt5 or subport gmt6).
DCW-GMT is an enhancement to the original 1:1,000,000 scale vector basemap of the world available from the Princeton University Digital Map and Geospatial Information Center and from GeoCommunity at http://data.geocomm.com/readme/dcw/dcw.html. To read and process the data you should install GMT, the Generic Mapping Tools (port gmt5 or subport gmt6).
To install dcw-gmt, run the following command in macOS terminal (Applications->Utilities->Terminal)
sudo port install dcw-gmt
To see what files were installed by dcw-gmt, run:
port contents dcw-gmt
To later upgrade dcw-gmt, run:
sudo port selfupdate && sudo port upgrade dcw-gmt
Reporting an issue on MacPorts Trac
The MacPorts Project uses a system called Trac to file tickets to report bugs and enhancement requests.
Though anyone may search Trac for tickets, you must have a GitHub account in order to login to Trac to create tickets.