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added algorithm credits

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1 parent ef9374a commit b18b582b9fb88034e7253324b35b8a04cc10535c @gka gka committed May 15, 2012
Showing with 4 additions and 1 deletion.
  1. +4 −1 kartograph/simplify/visvalingam.py
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5 kartograph/simplify/visvalingam.py
@@ -1,7 +1,10 @@
def simplify_visvalingam_whyatt(points, tolerance):
- """ Visvalingam-Whyatt simplification """
+ """ Visvalingam-Whyatt simplification
+ implementation borrowed from @migurski:
+ https://github.com/migurski/Bloch/blob/master/Bloch/__init__.py#L133
+ """
if points[0].simplified:
return
if len(points) < 3:

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