[GRASS-user] Alaska shapefile crosses 180th parallel
Paul Van Deusen
Paul_VanDeusen at uml.edu
Wed Feb 21 14:49:22 EST 2007
I'm trying to read in the state boundary shapefile from
http://nationalatlas.gov. However, the Aleutian Islands
cross the 180th parrallel, so longitude goes from +180 to -180 at that
point. I end up with the end of the
Aleutian Islands getting disconnected. What is the solution? I used
v.in.ogr and set up a location using the information that came
with the shapefile. See spatial information below..
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.000278
Longitude_Resolution: 0.000278
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: GRS1980
Semi-major_Axis: 6378137
Denominator_of_Flattening_Ratio: 298.257222
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