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S.A.U. (Spatial Analysis Utilities) is a free and user-friendly software for point pattern analyses developed by Giancarlo Macchi (ASIAA Lab). It allows to perform analyses like barycentre, nearest neighbour, quadrat and proximity analysis, Thiessen / Voronoi polygons and has features like shape export abilities etc.


Patgen is a free little command-line utility that allows creating SNNS pattern files from two tab-delimited text files, one containing inputs, and other containing output values. This software is available for both Windows and Linux/Unix-like platforms.

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