geom_count Returns the number of elements in this geometry:

geom_name Returns the name of the type of this geometry:

description The name or description of the band, if any.

wkb_size Returns the size of the WKB buffer needed to hold a WKB representation of this geometry:

geom Returns the geometry for this feature, as an OGRGeometry object:

z Returns a list of Z coordinates in this line, or None if the line does not have Z coordinates:

max_x The value of the minimum Y coordinate.

extent Returns the spatial extent of this layer, as an Envelope object:

semi_major Returns the semi major axis of the ellipsoid for this spatial reference.

close_rings() If there are any rings within this geometry that have not been closed, this routine will do so by adding the starting