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spatial-relationships-169

v1.0.1

Published

Gives back the spatial relationship operators given 2 ribbons(ie squares)

Downloads

6

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Links

Git

Maintainers

stierma1stierma1

Keywords

Readme

spatial-relationships-169

Gives back the spatial relationship operators given 2 ribbons(ie squares) There are a total of 169 different relationships that can exist between 2 squares each relationship can be encoded as a sequence of 4 characters, 2 chars for the operators and 2 chars for the symmetry indicator, since most(all except equals) have a mirror symmetric version.

https://people.cs.pitt.edu/~chang/365/chap4.htm

Categories

These 169 relationships can be placed into 5 categories

1.Disjoint 2.Joint 3.Partial Overlap 4.Contained 5.Belonging

These can be categorized easily with the relationship string Lee and Hsu came up with. The strings only need to be checked for 5 rules plus a default in order to properly categorize the squares.