Leaflet/debug/vector/vector-canvas.html

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<!DOCTYPE html>
<html>
<head>
<title>Leaflet debug page</title>
<link rel="stylesheet" href="../../dist/leaflet.css" />
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<link rel="stylesheet" href="../css/screen.css" />
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<script>
L_PREFER_CANVAS = true; // experimental
</script>
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<script type="text/javascript" src="../../build/deps.js"></script>
<script src="../leaflet-include.js"></script>
</head>
<body>
<div id="map" style="width: 800px; height: 600px; border: 1px solid #ccc"></div>
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<button onclick="group.removeLayer(path)">Remove path</button>
<button onclick="group.removeLayer(circle)">Remove circle</button>
<button onclick="group.clearLayers()">Remove all layers</button>
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<script src="route.js"></script>
<script>
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var osmUrl = 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
osmAttrib = '&copy; <a href="http://openstreetmap.org/copyright">OpenStreetMap</a> contributors',
osm = L.tileLayer(osmUrl, {maxZoom: 18, attribution: osmAttrib});
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for (var i = 0, latlngs = [], len = route.length; i < len; i++) {
latlngs.push(new L.LatLng(route[i][0], route[i][1]));
}
var canvas = L.canvas();
var path = new L.Polyline(latlngs, {renderer: canvas});
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var map = new L.Map('map', {layers: [osm]});
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var group = new L.LayerGroup();
map.fitBounds(new L.LatLngBounds(latlngs));
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var circleLocation = new L.LatLng(51.508, -0.11),
circleOptions = {
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color: 'red',
fillColor: 'yellow',
fillOpacity: 0.7,
renderer: canvas
};
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var circle = new L.Circle(circleLocation, 500000, circleOptions),
circleMarker = new L.CircleMarker(circleLocation, {fillColor: 'blue', fillOpacity: 1, stroke: false});
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group.addLayer(circle).addLayer(circleMarker);
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circle.bindPopup('I am a circle');
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circleMarker.bindPopup('I am a circle marker');
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group.addLayer(path);
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path.bindPopup('I am a polyline');
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var p1 = latlngs[0],
p2 = latlngs[parseInt(len/4)],
p3 = latlngs[parseInt(len/3)],
p4 = latlngs[parseInt(len/2)],
p5 = latlngs[len - 1],
polygonPoints = [p1, p2, p3, p4, p5];
var h1 = new L.LatLng(p1.lat, p1.lng),
h2 = new L.LatLng(p2.lat, p2.lng),
h3 = new L.LatLng(p3.lat, p3.lng),
h4 = new L.LatLng(p4.lat, p4.lng),
h5 = new L.LatLng(p5.lat, p5.lng);
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h1.lng += 20;
h2.lat -= 5;
h3.lat -= 5;
h4.lng -= 10;
h5.lng -= 8;
h5.lat += 10;
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var holePoints = [h5, h4, h3, h2, h1];
var polygon = new L.Polygon([polygonPoints, holePoints], {
fillColor: "#333",
color: 'green',
renderer: canvas
});
group.addLayer(polygon);
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polygon.bindPopup('I am a polygon');
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map.addLayer(group);
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</script>
</body>
</html>