PHP Classes

Polygon: Perform geometric operations on polygons

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Version License PHP version Categories
polygon 1.6GNU General Publi...3Algorithms, Geography, Math
Description Author

This package can be used to perform different types of geometric operations with polygons.

It provides generic polygon and vertex classes that support mixing lines and arc segments between vertices. Polygons may be self-intersecting.

It provides means to perform boolean operations AND and OR (Intersect and Union) with the shapes and compute shape clipping (A-B and B-A).

Innovation Award
PHP Programming Innovation award nominee
August 2005
Number 5

Prize: One book of choice by SAMS		 Certain types of image manipulation applications need to execute operations on images that involve shapes, for instance to define clipping areas. Such areas are defined by individual polygons or combinations of multiple polygons.

This class provides means to perform operations on shapes defined by polygons delimited by lines or arcs. It is useful for image manipulation applications like, for instance, those that involve maps.

Manuel Lemos
Picture of Brenor Brophy
Name: Brenor Brophy <contact>
Classes: 2 packages by
Country: United States United States
Age: 55
All time rank: 39647 in United States United States
Week rank: 1092 Down119 in United States United States Down
Innovation award
Innovation award
Nominee: 1x

Screenshots  
  • poly_ex1.gif
  • poly_ex2.gif
  • poly_ex3.gif
  • poly_ex4.gif
  • poly_ex5.gif
  • poly_ex6.gif
  • poly_ex7.gif
  • poly_ex8.gif
  Files folder image Files  
File Role Description
Accessible without login Plain text file polyExample.php Example Example - See screen shots for output
Accessible without login Plain text file polygon.php Class Polygon class
Accessible without login HTML file readme.htm Doc. Documentation
Accessible without login Plain text file vertex.php Class vertex and segment objects used by polygon

Downloadpolygon-2010-05-23.zip 49KB
Downloadpolygon-2010-05-23.tar.gz 48KB
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  Related pages  
polyExample
Run the demo script
Runway Finder
Polygon is used to calculate boundaries of Temporary Flight Restrictions


  Pages that reference this package  
PHP Edit What is best PHP library for working with geometry primitives?
If you mean polygon manipulation, here is a PHP class that can do that:...
Biblioteca de funciones para calculos sobre poligonos, en GPL
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How do I programmatically combine multiple non-self-intersecting contiguous polygons defined in KML?
You may want to take a look at this PHP polygon operations class:...
PHP library for operations on polygons, in GPL
We’ve been looking for something like this for a week now, and someone just sent me a link (after I asked for something like this on the php-general mailing-list)...

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