Polygon: Perform geometric operations on polygons
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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).
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).
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| Innovation Award |
 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 |
| 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 - |
| 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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| Related pages |
| polyExample Run the demo script |
| Runway Finder Polygon is used to calculate boundaries of Temporary Flight Restrictions |
| Files |
| File | Role | Description |
|---|---|---|
 polyExample.php |
Example | Example - See screen shots for output |
| polygon.php |
Class | Polygon class |
 readme.htm |
Doc. | Documentation |
| vertex.php |
Class | vertex and segment objects used by polygon |
 Install with Composer - Download all files: polygon.tar.gz polygon.zipNOTICE: if you are using a download manager program like 'GetRight', please Login before trying to download this archive.
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