# Equidistant Conic

Name | Equidistant Conic
EPSG Code |
GeoTIFF Code | CT_EquidistantConic (13)
OGC WKT Name | Equidistant_Conic
Supported By | GeoTIFF, GXF, OGC WKT

### Projection Parameters

Name | EPSG # | GeoTIFF ID | OGC WKT | Units | Notes
--- | --- | --- | --- | --- | ---
Latitude of first standard parallel | 1 | StdParallel1 | standard_parallel_1 | Angular |
Latitude of second standard parallel | 2 | StdParallel2 | standard_parallel_2 | Angular |
Latitude of false origin | 3 | NatOriginLat | latitude_of_center | Angular |
Longitude of false origin | 4 | NatOriginLong | longitude_of_center | Angular |
Easting of false origin | 6 | FalseEasting | false_easting | Linear |
Northing of false origin | 7 | FalseNorthing | false_northing | Linear |

### Notes

In Geosoft GXF format it is known by the name "*Equidistant Conic" indicating that it isn't an EPSG projection. The GXF definition also refers to the origin as the false origin rather than the natural origin.

### PROJ.4 Organization

      +proj=eqdc  +lat_1=Latitude of first standard parallel
                  +lat_2=Latitude of second standard parallel
                  +lat_0=Latitude of center
                  +lon_0=Longitude of center
                  +x_0=False Origin Easting
                  +y_0=False Origin Northing