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The RouteBoxer class generates a set of LatLngBounds objects that are guaranteed to cover every point within a specified distance of a path, such as that generated for a route by the DirectionsService class

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Routeboxer

This is a git clone of the googlecode project http://google-maps-utility-library-v3.googlecode.com/svn/trunk/routeboxer/docs/examples.html The RouteBoxer class generates a set of LatLngBounds objects that are guaranteed to cover every point within a specified distance of a path, such as that generated for a route by the DirectionsService class

How to use

To use the RouteBoxer class, first load the RouteBoxer.js file into your page:

<script type="text/javascript" src="http://google-maps-utility-library-v3.googlecode.com/svn/trunk/routeboxer/src/RouteBoxer.js"></script>

Then create a RouteBoxer object, and pass an array of google.maps.LatLng objects and a distance to the RouteBoxer.box() method. If implementing search along a route the overview_polyline property of a google.maps.DirectionsRoute object contains a suitable array of LatLng objects:

var directionService = new google.maps.DirectionsService();
var rboxer = new RouteBoxer();
var distance = 20; // km

directionService.route(request, function(result, status) {
  if (status == google.maps.DirectionsStatus.OK) {

    // Box the overview path of the first route
    var path = result.routes[0].overview_path;
    var boxes = routeBoxer.box(path, distance);

    for (var i = 0; i < boxes.length; i++) {
      var bounds = box[i];
      // Perform search over this bounds
    }
  }
});

Original author: Thor Mitchell

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The RouteBoxer class generates a set of LatLngBounds objects that are guaranteed to cover every point within a specified distance of a path, such as that generated for a route by the DirectionsService class

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