class SpatialReference(srs_input)
Spatial reference objects are initialized on the given srs_input, which may be one of the following:
OGC Well Known Text (WKT) (a string) EPSG code (integer or string) PROJ.4 string A shorthand string for well-known standards ('WGS84', 'WGS72', 'NAD27', 'NAD83')
Example:
>>> wgs84 = SpatialReference('WGS84') # shorthand string
>>> wgs84 = SpatialReference(4326) # EPSG code
>>> wgs84 = SpatialReference('EPSG:4326') # EPSG string
&