1 2 3 4 5 6 | 1) install GMT, download gshhs boundary data and source code from ftp://ftp.soest.hawaii.edu/pwessel/gshhs/. 2) compile gshhs.c, use to create gshhs_{c,l,i,h}.txt files. 3) run dumpbounds.sh to create states, countries, rivers text files. 4) run readboundaries.py to process into binary files, with metadata in separate text files. |