Fast and Robust Curve Intersections

Version 2.0.0.0 (11,5 KB) von Douglas Schwarz
Computes intersection points of two curves.
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(149)
43K Downloads
Aktualisiert 26. Mai 2017

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This function computes the (x,y) locations where two curves intersect. The curves can be broken with NaNs or have vertical segments. It is also very fast (at least on data that represents what I think is a typical application).

Zitieren als

Douglas Schwarz (2024). Fast and Robust Curve Intersections (https://www.mathworks.com/matlabcentral/fileexchange/11837-fast-and-robust-curve-intersections), MATLAB Central File Exchange. Abgerufen .

Kompatibilität der MATLAB-Version
Erstellt mit R2009a
Kompatibel mit allen Versionen
Plattform-Kompatibilität
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Version Veröffentlicht Versionshinweise
2.0.0.0

This version uses implicit expansion (or bsxfun in slightly older MATLAB versions) to compute the line segments that might overlap. When the number of line segments is large, it uses a different algorithm to avoid forming large matrices.
1.2.0.0

Fixed bug that my previous "bug fix" failed to fix.
1.1.0.0

Fixed bug identified by Rodrigo Portugal. No longer fails when there are no intersections and you need 4 outputs.
1.0.0.0

Added ability to find self-intersections of one curve.