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Python implementation of the Bentley-Ottmann algorithm for 2d line segment intersection, described in de Berg et al., Ch. 2.
This project forked from splichte/lsi
Python implementation of the Bentley-Ottmann algorithm for 2d line segment intersection, described in de Berg et al., Ch. 2.
Implementation of the Bentley-Ottmann algorithm for 2d line segment intersection. See: de Berg et al., Ch. 2 http://en.wikipedia.org/wiki/Bentley-Ottmann_algorithm for more information. Usage: from lsi import intersection # S is a list of tuples of the form: ((x,y), (x,y)) i = intersection(S) This function returns a dictionary of intersection points (keys) and a list of their associated segments (values). Currently, this implementation does not handle horizontal/vertical line segments. This will be changed shortly! A test file is available. It compares the running time of the algorithm to that of a brute-force O(N^2) comparison. It also generates a specified number of random input segments--you can set the precision and range by editing the file. Email at: [email protected]
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