Hi John, This is good to know about. Thanks for sharing.
My understanding of 1 arc-second resolution is that it is approximately 30m, not 90m. Regards, John On Mar 3, 2010, at 7:16 AM, John A Stevenson wrote: > I've just come across the Global Multi Resolution Topography dataset. It > combines multibeam sonar with satellite bathymetry to produce a DEM of the > oceans, and uses SRTM for the land. Data can be downloaded at ~1 arcsecond > resolution (~90 m). > > I've put links and more information on the wiki: > http://grass.osgeo.org/wiki/Global_datasets#Global_Multi-Resolution_Topography_.28GMRT.29 > > There is a WMS server for the data but I haven't managed to use it > successfully. Instead, I downloaded tiles using wget, which I found very > convenient. I generally have mixed results with r.in.wms. > > Cheers > > John > > -- > > > Dr John Stevenson > Postdoctoral Research Associate > School of Earth, Atmospheric and Environmental Sciences > Williamson Building (Room 2.42) > University of Manchester > Manchester M13 9PL, UK > tel. +44(0)161 306 6585; fax. +44(0)161 306 9361; > john.steven...@manchester.ac.uk > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user