Платформа ЦРНП "Мирокод" для разработки проектов
https://git.mirocod.ru
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70 lines
2.1 KiB
70 lines
2.1 KiB
<!DOCTYPE html> |
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<html> |
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<head> |
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<title>Leaflet debug page</title> |
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<link rel="stylesheet" href="../../dist/leaflet.css" /> |
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<meta name="viewport" content="width=device-width, initial-scale=1.0"> |
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<link rel="stylesheet" href="../css/screen.css" /> |
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<script type="text/javascript" src="../../build/deps.js"></script> |
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<script src="../leaflet-include.js"></script> |
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</head> |
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<body> |
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<div id="map"></div> |
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<script type="text/javascript"> |
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/* |
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Can be used to profile performance of event system. |
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Start the test, start CPU profiler. Slowly move the |
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mouse around over the map for 20 seconds or so, stop |
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profiler and examine times for _on, _off and fire. |
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*/ |
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var osmUrl = 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', |
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osmAttrib = '© <a href="http://openstreetmap.org/copyright">OpenStreetMap</a> contributors', |
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osm = L.tileLayer(osmUrl, {maxZoom: 18, attribution: osmAttrib}); |
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var map = L.map('map') |
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.setView([50.5, 30.51], 15) |
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.addLayer(osm); |
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var markers = new L.FeatureGroup().addTo(map), |
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markerArr = []; |
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var clicks = 0; |
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markers.on('click', function(e) { |
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clicks++; |
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}); |
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function shuffleMarkers() { |
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var marker; |
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if (markerArr.length > 2000) { |
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var i = Math.floor(Math.random() * markerArr.length); |
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marker = markerArr.splice(i, 1)[0]; |
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markers.removeLayer(marker); |
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} else { |
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marker = L.marker(getRandomLatLng(map)) |
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.on('mouseover', function() { |
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marker.setZIndexOffset(10000); |
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}) |
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.on('mouseout', function() { |
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marker.setZIndexOffset(0); |
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}) |
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.addTo(markers); |
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markerArr.push(marker); |
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} |
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} |
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while (markerArr.length < 2000) { |
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shuffleMarkers(); |
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} |
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setInterval(shuffleMarkers, 20); |
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</script> |
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</body> |
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</html>
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