December 2017
# Calculating Convex and Concave Hulls

Experimenting with Convex and Concave Hulls with Haskell

## Concave

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## Convex
![](alpha.png){}\
Alpha Shapes and Concave Hulls obtained from the delaunay triangulation

## Ref

* STOC '83 Proceedings of the fifteenth annual ACM symposium on Theory of computing / Primitives for the manipulation of general subdivisions and the computation of Voronoi diagrams

## Git
* <https://gitweb.softwarefools.com/?p=miguel/haskell.git;a=tree;f=hulls>