Libraries tagged by polygons

Simple Yet Powerful Geo Library

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GeoPHP is a open-source native PHP library for doing geometry operations. It is written entirely in PHP and can therefore run on shared hosts. It can read and write a wide variety of formats: WKT (including EWKT), WKB (including EWKB), GeoJSON, KML, GPX, GeoRSS). It works with all Simple-Feature geometries (Point, LineString, Polygon, GeometryCollection etc.) and can be used to get centroids, bounding-boxes, area, and a wide variety of other useful information.

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Powerful GeoCoding library: Retrieve bounding box coordinates, distances between geopoints, point in polygon, get longitude and latitude from addresses and more with GeoLocation for PHP

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PHP Geometry library provides utility functions for the computation of geometric data on the surface of the Earth.

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GeoPHP is a open-source native PHP library for doing geometry operations. It is written entirely in PHP and can therefore run on shared hosts. It can read and write a wide variety of formats: WKT (including EWKT), WKB (including EWKB), GeoJSON, KML, GPX, GeoRSS). It works with all Simple-Feature geometries (Point, LineString, Polygon, GeometryCollection etc.) and can be used to get centroids, bounding-boxes, area, and a wide variety of other useful information.

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Map Field for Laravel Nova

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A collection of algorithms for reducing the number of points in polyline

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CryptAPI's PHP library

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Open-source native PHP library for doing geometry operations. Can read and write a wide variety of formats: (E)WKT, (E)WKB, TWKB, GeoJSON, KML, GPX, GeoRSS. Works with all Simple-Feature geometries (Point, LineString, Polygon...) and can be used to get centroids, bounding-boxes, area, etc.

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GeoPHP is an open-source native PHP library for doing geometry operations. It is written entirely in PHP and can therefore run on shared hosts. It can read and write a wide variety of formats: (E)WKT, (E)WKB, GeoJSON, KML, GPX, GeoRSS). It works with all Simple-Feature geometries (Point, LineString, Polygon, GeometryCollection etc.) and can be used to get centroids, bounding-boxes, area and a wide variety of other useful information.

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Open-source native PHP library for doing geometry operations. Can read and write a wide variety of formats: (E)WKT, (E)WKB, TWKB, GeoJSON, KML, GPX, GeoRSS. Works with all Simple-Feature geometries (Point, LineString, Polygon...) and can be used to get centroids, bounding-boxes, area, etc.

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Martinez-Rueda algorithm for polygon boolean operations

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Robust and tested library for boolean operations on polygons (union, intersection, difference, xor)

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Point In Polygon

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PHP helper classes to enforce RFC7946 polygon winding order in GeoJSON

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