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raycast

v1.0.8

Published

Raycast algorithm helps you determine if a point lies inside a polygon

Downloads

70

Vulnerabilities

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  • 0Low

Links

Git

Maintainers

subzero42subzero42

Keywords

Raycast

Readme

NPM  

Raycast

Raycast algorithm helps you determine if a point lies inside a polygon. Edge cases involved in working with LatLngs have been handled. The package also provides LatLng and Point classes to support following two methods

  1. isLatLntInside([LatLng], LatLng);

  2. isPointInside([Point], Point);

Example usage

var latlngs = [];
latlngs.push(new LatLng(28.635789, 77.215029));
latlngs.push(new LatLng(28.638086, 77.220952));
latlngs.push(new LatLng(28.634621, 77.225758));
latlngs.push(new LatLng(28.634771, 77.221467));
latlngs.push(new LatLng(28.632662, 77.225114));
latlngs.push(new LatLng(28.629724, 77.220265));
latlngs.push(new LatLng(28.631796, 77.215265));

var latlng = new LatLng(28.632869, 77.219466);

var isLatLngInside = raycast.isLatLngInside(latlngs, latlng);

See this blogpost for further explanation GitHub