import_proj(proj) Import spatial reference from PROJ.4 string.

import_epsg(epsg) Import spatial reference from EPSG code.

identify_epsg() This method inspects the WKT of this SpatialReference and will add EPSG authority nodes where an EPSG identifier is applicable.

geographic Returns True if this spatial reference is geographic (root node is GEOGCS).

from_esri() Morphs this SpatialReference from ESRI’s format to EPSG

ellipsoid Returns a tuple of the ellipsoid parameters for this spatial reference: (semimajor axis, semiminor axis, and inverse flattening).

clone() Returns a clone of this spatial reference object.

auth_name(target) Returns the authority name for the given string target node.

auth_code(target) Returns the authority code for the given string target node.

attr_value(target, index=0) The attribute value for the given target node (e.g. 'PROJCS'). The index keyword specifies an index of the child node to return.