ll The lower-left coordinate, as a tuple.

tuple A tuple representing the envelope.

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

class Point x Returns the X coordinate of this

class Polygon shell Returns the shell or exterior

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

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

skew Skew coefficients used to georeference the raster, as a point object with x and y members. In

touches(other) Returns True if this geometry touches the other, otherwise returns False.

union() Returns the region consisting of the union of this geometry and the other, as a new OGRGeometry object