My suggested GRASS improvement is inclusion of read/write capability of
International Hydrographic Institute (IHO) S-57 standard for Electronic
Nautical Charts (ENC).v.in.ogr in GRASS 5.1 should be able to read it. Tried with:
http://www.digitalocean.ca/DigitalOcean%20E-Store/Sample_data/s57.zip
I just noticed that GDAL also supports the Maptech/NOAA BSB Nautical
Chart Format and the GEO/NOS format as supplied by Softchart as well.
(r.in.gdal in GRASS 5.0 and GRASS 5.1)
http://gdal.velocet.ca/projects/bsb/
http://www.thecapn.com/charts.htm
http://www.softcharts.com/
cool.
Hamish