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Adding "getBounds" method to L.Path and a debug page to show it in use.

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This commit is contained in:
Jason Sanford 2011-08-14 22:31:13 -06:00
parent 229b905bb5
commit 9e6d976449
2 changed files with 78 additions and 0 deletions
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69
debug/vector/vector-bounds.html Normal file
View File

@ -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
src/layer/vector/Path.js
View File

@ -63,6 +63,15 @@ L.Path = L.Class.extend({
return this;
},
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;
},
_initElements: function() {
this._initRoot();
this._initPath();