BSB data

More to come

NOAA BSB Navigational Charts

See these mailing list posts for more detail:

http://thread.gmane.org/gmane.comp.linux.gps/3920/focus=3937

http://thread.gmane.org/gmane.comp.linux.gps/3920/focus=3934

Download

• NOAA BSB format raster data (RNC)

http://nauticalcharts.noaa.gov/mcd/Raster/download.htm

• Nice previews / chart picker:

http://www.oceangrafix.com/o.g/search-nautical-charts.html

Import

• Convert BSB maps to GeoTiffs with gdalwarp. Essentially this step applies the embedded GCP data.
• Import these GeoTiffs with r.in.gdal

• There is some more information and links on the Export for GpsDrive wiki page

(see the mailing list posts at the end of that page)