Colombia Urban¶
New in version 7.2.
Classification |
Miscellaneous |
Available forms |
Forward and inverse ellipsoidal projection |
Alias |
col_urban |
Domain |
2D |
Input type |
Geodetic coordinates |
Output type |
Projected coordinates |
From [IOGP2018]:
The capital cites of each department in Colombia use an urban projection for large scale topographic mapping of the urban areas. It is based on a plane through the origin at an average height for the area, eliminating the need for corrections to engineering survey observations.
proj-string:
+proj=col_urban
Parameters¶
- +lon_0=<value>¶
Longitude of projection center.
Defaults to 0.0.
- +lat_0=<value>¶
Latitude of projection center.
Defaults to 0.0.
- +ellps=<value>¶
The name of a built-in ellipsoid definition.
See Ellipsoids for more information, or execute
proj -le
for a list of built-in ellipsoid names.Defaults to “GRS80”.
- +x_0=<value>¶
False easting.
Defaults to 0.0.
- +y_0=<value>¶
False northing.
Defaults to 0.0.
- +h_0=<value>¶
Projection plane origin height (in metre)
Defaults to 0.0.