Created
November 28, 2014 13:09
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Google maps direction polylines
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style type="text/css"> | |
| html, body, #map-canvas { height: 100%; margin: 0; padding: 0;} | |
| </style> | |
| <script type="text/javascript" | |
| src="https://maps.googleapis.com/maps/api/js"> | |
| </script> | |
| <script type="text/javascript"> | |
| function initialize() { | |
| var map = new google.maps.Map(document.getElementById('map-canvas'), { | |
| center: { lat: 42.9994443, lng: -0.0107599}, | |
| zoom: 12 | |
| }); | |
| var fromMarker = new google.maps.Marker({ | |
| map: map, | |
| position: { lat: 43.1002647, lng: -0.0423151 } | |
| }); | |
| var toMarker = new google.maps.Marker({ | |
| map: map, | |
| position: { lat: 42.8906, lng: -0.115006 } | |
| }); | |
| var ds = new google.maps.DirectionsService(); | |
| ds.route({ | |
| origin: fromMarker.getPosition(), | |
| destination: toMarker.getPosition(), | |
| travelMode: google.maps.TravelMode.DRIVING, | |
| unitSystem: google.maps.UnitSystem.METRIC | |
| }, function (result, status) { | |
| if (status == google.maps.DirectionsStatus.OK) { | |
| console.log(result); | |
| new google.maps.Polyline({ | |
| map: map, | |
| path: result.routes[0].overview_path | |
| }); | |
| var fullPath = []; | |
| result.routes[0].legs.forEach(function (leg) { | |
| leg.steps.forEach(function (step) { | |
| fullPath = fullPath.concat(step.path); | |
| new google.maps.Polyline({ | |
| map: map, | |
| path: step.path, | |
| strokeColor: "red", | |
| strokeWeight: 1 | |
| }); | |
| }); | |
| }); | |
| console.log("Overview path length: " + result.routes[0].overview_path.length); | |
| //console.log("Overview path JSON length: " + JSON.stringify(result.routes[0].overview_path).length); | |
| console.log("Overview path JSON length: " + JSON.stringify(result.routes[0].overview_path.map(function (point) {return [point.lat(), point.lng()];})).length); | |
| console.log("Full path length: " + fullPath.length); | |
| console.log("Full path JSON length: " + JSON.stringify(fullPath.map(function (point) {return [point.lat(), point.lng()];})).length); | |
| } | |
| }); | |
| } | |
| google.maps.event.addDomListener(window, 'load', initialize); | |
| </script> | |
| </head> | |
| <body> | |
| <div id="map-canvas"></div> | |
| </body> | |
| </html> |
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great work