centroid Returns a Point representing the centroid of this polygon.

name Returns the name of this field: >>>

min The minimum pixel value of the band (excluding the “no data” value).

as_double() Returns the value of the field as a double (float):

precision Returns the numeric precision of this field. This is meaningless (and set to zero) for non-numeric fields:

class Driver(dr_input) The Driver class is used internally to wrap an OGR DataSource driver.

extent Returns the envelope of this geometry as a 4-tuple, instead of as an Envelope object:

ewkt Returns the EWKT representation of this geometry.

add(geom) Adds a geometry to this geometry collection. Not applicable to other geometry types.

class CoordTransform(source, target) Represents a coordinate system transform. It is initialized with two SpatialReference