Hi,
I'm trying to import some points from Postgres and convert it into raster using v.in.ogr and v.surf.idw v.in.ogr dsn="PG:host=tsf.noblis.org dbname=gis port=5433" layer=regcm.huss_monavg_2038 output=huss_monavg_2038_395_875 where='timestamp=395.875' v.surf.idw input=huss_monavg_2038_395_875 column=huss output=rast_huss_monavg_2038_huss395_875 When I run the v.surf.idw, I get 13936 records selected from table 0 points loaded ERROR: No data points found When I try to view it in the map display, I see nothing yet I do see 13936 points which is the right number of points when I do v.info. v.info huss_monavg_2038_395_875 Layer: huss_monavg_2038_395_875 | | Mapset: PERMANENT | | Location: RegCM-4269 | | Database: /data/grassdata/echang | | Title: | | Map scale: 1:1 | | Map format: native | | Name of creator: echang | | Organization: | | Source date: Tue Jul 13 15:44:59 2010 | |----------------------------------------------------------------------- -----| | Type of Map: vector (level: 2) | | | | Number of points: 13936 Number of areas: 0 | | Number of lines: 0 Number of islands: 0 | | Number of boundaries: 0 Number of faces: 0 | | Number of centroids: 0 Number of kernels: 0 | | | | Map is 3D: No | | Number of dblinks: 1 | | | | Projection: Lat/Lon | | N: 70:15:29.96521N S: 19:27:00.387268N | | E: 35:43:20.669862W W: 157:42:49.097902W | | | | Digitization threshold: 0 | | Comments: | | It is a large file so I tried making the region quite small zone: 0 datum: nad83 ellipsoid: grs80 north: 70:15:29.96521N south: 69N west: 120W east: 110W nsres: 0:15:05.993042 ewres: 0:20 rows: 5 cols: 30 cells: 150 Is there a problem with the resolution? Any ideas? Thanks, Elizabeth Elizabeth Chang Lead Noblis 3150 Fairview Park Drive Sourth Falls Church, VA 22042 703-610-2321 (office) elizabeth.ch...@noblis.org <mailto:elizabeth.ch...@noblis.org> ************************************* Noblis For the best of reasons
_______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user