Am 20.05.2011 um 17:38 schrieb Rich Shepard: > I'd appreciate advice from folks here on a question of coordinates and > projections. > > I have been given a list of site coordinates such as these: > easting: 371801.756688, northing: 427253.142826 located in northeastern > Nevada. Because they are each 6 digits (left of the decimal point) I assume > that they are in State Plane Coordinates for eastern Nevada (zone 4601) and > I want to convert them to UTM (zone 11).
Hello I just checked here: http://www.earthpoint.us/StatePlane.aspx and it seems that the zones for Nevada are 27XX (4601 is Washington).. ..maybe that helps. /Johannes > > Using the NGS/NOAA SPC to GeoCoords converter results in latitudes of > either 50 degrees N (for NAD83 in meters) or 47.5 degrees N (for NAD27 in > feet), both of which are well off. I live about 45.5 degrees N and am well > north of the area of interest. > > Please suggest how I can identify the projection and datum for these > points so I can use proj4 to re-project them. > > TIA, > > Rich > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
