hi Tyler, On Sun, Mar 14, 2010 at 7:19 AM, Tyler Smith <tyler.sm...@eku.edu> wrote: > Hi, > > It's been a while since I used GRASS, and I'm having trouble getting my data > into the system. The data I'm working on is available here: > > http://kymartian.ky.gov/demwebusgs/har/index.html > > It's USGS format DEM data. The meta data is found here: > > http://kymartian.ky.gov/demwebusgs/DEM_dem.xml > > Apparently, the metadata is not available in the data files, so I had to > enter the details by hand in setting up a new location. I'm working from > Neteler and Mitasova 3rd ed., but otherwise have very limited GIS > background. My attempt at the projection is listed below. It appears that > I'm using two different systems here, with the actual raster file in units > of meters, while the default region is measured in degrees. I'm not sure how > to convert the easting/northing into degrees, or the degrees into meters. > I've also tried this with State Plane System and Lat-Long, but haven't > figured out what I'm doing wrong. Please help!
The rule is that you can have only one projection in a location. If you have several projections you need several locations and to reproject data between them (r.proj, v.proj). GRASS can generate locations directly from metadata. Cheers Markus > Thanks, > > Tyler > > > -PROJ_INFO------------------------------------------------- > name : Lambert Conformal Conic > datum : nad83 > nadgrids : TN > proj : lcc > ellps : grs80 > a : 6378137.0000000000 > es : 0.0066943800 > f : 298.2572221010 > lat_0 : 36.3333333300 > lat_1 : 38.6666666670 > lat_2 : 37.0833333330 > lon_0 : -85.7500000000 > x_0 : 1500000.0000000000 > y_0 : 1000000.0000000000 > -PROJ_UNITS------------------------------------------------ > unit : meter > units : meters > meters : 1.0 > > > _______________________________________________ > 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