Polygons

Boundaries

generalize_boundaries

Generalize shared polygon boundaries while strictly preserving topology.

Patches

generalize_area_patches

Generalise area patches using enlargement and contraction.

Collapsing

skeletonize_natural	Create the natural TIN skeleton of a polygon.
skeletonize_artificial	Create a TIN skeleton from a polygon by enforcing entry points.
skeletonize_network	Create an artificial TIN skeleton and blend it inside a network.
spinalize_polygon	Collapse a single polygon into one or multiple lines.
spinalize_polygons	Collapse multiple polygons into one or multiple lines.

Measures

polygon_elongation	Calculate the elongation of a polygon.
polygon_compactness	Calculate the compactness of a polygon.
polygon_concavity	Calculate the concavity of a polygon.
polygon_orientation	Calculate the orientation of a polygon.
surfacic_distance	Calculate the surfacic distance between two polygons.

Miscellaneous

remove_flat_vertices	Removes flat vertices from a polygon.
enclosing_rectangle	Construct an enclosing rectangle from a polygon.
close_polygon	Close a polygon using dilation and erosion.
open_polygon	Open a polygon using erosion and dilation.