On Sat, Jul 17, 2010 at 2:30 AM, <cruise...@comcast.net> wrote: > am in a quandry, > > have dense/large multibeam files i wish to display i a GIS for various > purposes, essentially XYZ files, in DD WGS84 coordinates, ASCII > tab-delimited or Mapinfo mid-mif formats, up to 10-million points plus in a > datset. > 1. have tried GVsig and quantumGIS, but neither seems to like the ascii > tab-delimited format. > 2. Quantum does not like the Mid-mif files i have, and it appears GVsig does > not take the format > > Everything open-source GIS seems to want CSV or shapefiles.
Find here a dedicated Wiki page for the GRASS software: http://grass.osgeo.org/wiki/Import_XYZ GRASS 6.4+ can meanwhile deal with extremely large data sets. Markus _______________________________________________ Discuss mailing list Discuss@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/discuss