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PHP Concave Hull: Find a concave shape that contains a set of points

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2014-06-04 (4 years ago) RSS 2.0 feedNot enough user ratingsTotal: 336 All time: 6,933 This week: 510Up
Version License PHP version Categories
concave-hull 0.1Free for non-comm...3.0Algorithms, Graphics
Description Author

This class can find a concave shape that contains a set of points known as the concave hull.

It takes a set of points in a two dimensional plane and uses the concave hull algorithm to calculate the coordinates of the edges of a shape that contains all the points in the set.

Another class can render the points and the concave hull shape as an image file in the PNG format.

Innovation Award
PHP Programming Innovation award nominee
September 2013
Number 8
Sometimes a set of points are part of a concave shape.

This class can compute the edges of a concave shape that includes a given set of points.

Manuel Lemos
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Name: Ken Schick <contact>
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Country: Viet Nam Viet Nam
Age: 34
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Innovation award
Innovation award
Nominee: 22x

Winner: 3x

Screenshots  
  • screenshot.png
  • hullexample.png
  Files folder image Files  
File Role Description
Plain text file concave-hull.php Class class file
Accessible without login Plain text file example.php Example example
Accessible without login Plain text file star.dat Data example data

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