OGR | ESRI |
Mercator_1SP Mercator_2SP | Mercator |
Lambert_Conformal_Conic_1SP and Lambert_Conformal_Conic_2SP | Lambert_Conformal_Conic |
Albers_Conic_Equal_Area | Albers |
Thursday, July 26, 2007
Projection differences between GDAL/OGR and ESRI's ArcGIS
Recently while working with some translation code ArcGIS was throwing a COM exception for some of the WKT strings I was creating using OGR. These WKTs were being created from EPSG codes and ArcGIS would simply throw a COM exception with no information about what was going on.
After a little research I found that the problem was in the difference in names of projections that the 2 APIs used. So here is what I found:
(from http://geotools.codehaus.org/Coordinate+Transformation+Parameters)
The distinction is based on the values of the "standard_parallel_1" and "standard_parallel_2" parameters.
Labels:
GIS
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