Hi! Tim Moore wrote: > Is it practical to use the Landsat classification stuff you guys have demoed > on > your web pages to generate our own coastline data?
Yes, we can extract the coastline data, but it might still require some further editing to eliminate misclassifications. The editing effort might still be less than the effort required for correcting the missing data in GSHHS, given that we have equalized Landsat data for the whole world. We can try using the typically available Landsat mosaics, but these only have RGB data, while the waterbodies are most reliably classified using RGB and infrared. Still, it's not possible to extract waterways automatically in a reliable way from Landsat data, so we will still have to adapt VMAP0 data ourselves. Maybe the OSM data is of help there. Note that Martin has imported OSM data into the database, making it more easily available for TerraGear, as the OSM format itself is a custom format not currently supported by OGR. The guys at OSM also seem to be in the process of changing their format, but there's also a licensing issue. Cheers, Ralf ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
