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Informations about the package geometry-library

Geometry Library Google Maps API V3

PHP Geometry Library provides utility functions for the computation of geometric data on the surface of the Earth. Code ported from Google Maps Android API.

Features

Dependency

Installation

Issue following command:

Alternatively edit composer.json by adding following line and run composer update

Usage

Here is an example of using GeometryLibrary:

Available methods

PolyUtil class

SphericalUtil class


containsLocation( $point, $polygon, $geodesic = false ) - To find whether a given point falls within a polygon

Returns boolean


isLocationOnEdge( $point, $polygon, $tolerance = self::DEFAULT_TOLERANCE, $geodesic = true ) - To determine whether a point falls on or near a polyline, or on or near the edge of a polygon, within a specified tolerance in meters.

Returns boolean


isLocationOnPath( $point, $polygon, $tolerance = self::DEFAULT_TOLERANCE, $geodesic = true ) - To determine whether a point falls on or near a polyline, within a specified tolerance in meters

Returns boolean


distanceToLine( $p, $start, $end ) - To calculate distance from a point to line start->end on sphere.

Returns distance from a point to line


decode( $encodedPath ) - Decodes an encoded path string into a sequence of LatLngs.

Returns array


encode( $path ) - Encodes a sequence of LatLngs into an encoded path string.

Returns string


computeHeading( $from, $to ) - Returns the heading from one LatLng to another LatLng.

Returns int


computeOffset( $from, $distance, $heading ) - Returns the LatLng resulting from moving a distance from an origin in the specified heading.

Returns array


computeOffsetOrigin( $from, $distance, $heading ) - Returns the location of origin when provided with a LatLng destination, meters travelled and original heading. Headings are expressed in degrees clockwise from North.

Returns array


interpolate( $from, $to, $fraction ) - Returns the LatLng which lies the given fraction of the way between the origin LatLng and the destination LatLng.

Returns array


computeDistanceBetween( $from, $to ) - Returns the distance, in meters, between two LatLngs. You can optionally specify a custom radius. The radius defaults to the radius of the Earth.

Returns float


computeLength( $path ) - Returns the length of the given path, in meters, on Earth.

Returns float


computeArea( $path ) - Returns the area of a closed path.

Returns float


computeSignedArea( $path ) - Returns the signed area of a closed path.

Returns float


Support

Please open an issue on GitHub

License

Geometry Library Google Maps API V3 is released under the MIT License. See the bundled LICENSE file for details.


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