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Adding a getBounds method for Path #253

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merged 2 commits into from
Aug 16, 2011
Merged

Adding a getBounds method for Path #253

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9e6d976
Adding "getBounds" method to L.Path and a debug page to show it in use.
JasonSanford Aug 15, 2011
da37975
Moving "getBounds" from L.Path to L.Polyline as some descendants of L…
JasonSanford Aug 15, 2011
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69 changes: 69 additions & 0 deletions debug/vector/vector-bounds.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,69 @@
<!DOCTYPE html>
<html>
<head>
<title>Leaflet debug page</title>

<link rel="stylesheet" href="../../dist/leaflet.css" />
<!--[if lte IE 8]><link rel="stylesheet" href="../../dist/leaflet.ie.css" /><![endif]-->

<link rel="stylesheet" href="../css/screen.css" />

<script src="../leaflet-include.js"></script>
</head>
<body>
<div id="map" style="width: 800px; height: 600px; border: 1px solid #ccc"></div>
<button onclick="map.fitBounds(path.getBounds())">Zoom to path</button>
<button onclick="map.fitBounds(poly.getBounds())">Zoom to polygon</button>
<script src="route.js"></script>
<script>
var cloudmadeUrl = 'http://{s}.tile.cloudmade.com/BC9A493B41014CAABB98F0471D759707/997/256/{z}/{x}/{y}.png',
cloudmade = new L.TileLayer(cloudmadeUrl, {maxZoom: 18});

var poly_points = [
[39.70348880963439, -104.98603820800781],
[39.69926245589766, -104.95582580566406],
[39.67918374111695, -104.94483947753906],
[39.663856582926165, -104.95307922363281],
[39.66279941218785, -104.98672485351562],
[39.70348880963439, -104.98603820800781]
];

var path_points = [
[39.72567292003209, -104.98672485351562],
[39.717222671644635, -104.96612548828124],
[39.71405356154611, -104.95513916015625],
[39.70982785491674, -104.94758605957031],
[39.70454535762547, -104.93247985839844],
[39.696092520737224, -104.91874694824217],
[39.687638648548635, -104.90432739257812],
[39.67759833072648, -104.89471435546875]
];

for (var i = 0, latlngs = [], len = path_points.length; i < len; i++) {
latlngs.push(new L.LatLng(path_points[i][0], path_points[i][1]));
}
var path = new L.Polyline(latlngs);

for (var i = 0, latlngs2 = [], len = poly_points.length; i < len; i++) {
latlngs2.push(new L.LatLng(poly_points[i][0], poly_points[i][1]));
}
var poly = new L.Polygon(latlngs2);

var map = new L.Map('map', {
layers: [cloudmade],
center: new L.LatLng(39.69596043694606, -104.95084762573242),
zoom: 12
});

//map.fitBounds(new L.LatLngBounds(latlngs));

//map.addLayer(new L.Marker(latlngs[0]));
//map.addLayer(new L.Marker(latlngs[len - 1]));

map.addLayer(path);
map.addLayer(poly);

path.bindPopup("Hello world");
</script>
</body>
</html>
9 changes: 9 additions & 0 deletions src/layer/vector/Polyline.js
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,15 @@ L.Polyline = L.Path.extend({
}
if (minPoint) minPoint.distance = Math.sqrt(minDistance);
return minPoint;
},

getBounds: function() {
var b = new L.LatLngBounds();
var latLngs = this.getLatLngs();
for (var i = 0, len = latLngs.length; i < len; i++) {
b.extend(latLngs[i]);
}
return b;
},

_getPathPartStr: function(points) {
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