srid Returns the SRID of top-level authority, or None if undefined.

index A method that returns the index of the given field name. This will be the same for all features in a given layer:

json Returns a string representation of this geometry in JSON format:

class Polygon shell Returns the shell or exterior

origin Coordinates of the top left origin of the raster in the spatial reference system of the source, as a point object with

pretty_wkt Returns the ‘pretty’ representation of the WKT.

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

class Point x Returns the X coordinate of this

to_esri() Morphs this SpatialReference to ESRI’s format.

value Returns the value of this field. The Field class itself returns the value as a string, but each subclass