Thiessen Polygon

Thiessen polygon creator: Automatically create thiessen polygons around your model nodes to support demand assignment (LoadBuilder) methods that require service polygons. Data management ...

Thiessen Polygons Thiessen or voronoi polygons define individual areas of influence around each of a set of points. Thiessen polygons are polygons whose boundaries define the area that is closest to each point relative to all other points.

Thiessen polygons: The boundaries of Thiessen polygons are defined by the perpendicular bisectors of the lines between all neighbouring points.

Thiessen polygons Polygons whose boundaries define the area that is closest to each point relative to all other points. Thiessen polygons are generated from a set of points.

In the case of Thiessen polygons, representative areas for each gauging station are directly identified from the morton numbers of the gauging locations. Morton numbers are hexa-decimal numbers used for spatial referencing in SPANS GIS.

- Extract (clip, select, split), Overlay (erase, identify, intersect, union, update), Proximity (buffer, near, point distance, thiessen polygon) Raster analysis ...

The bubbles divide the counties into "nearest-neighbor" polygons, also known as polygons of influence, Thiessen polygons, Voronoi polygons, and Dirichlet cells.

This involves a variety of point interpolation techniques including slope and aspect calculations, contour generation, and Thiessen polygons.

See also: Analysis, Polygon, Cover, Location, Software