fuyuhang
/
Project_yhfu
spogulis no http://121.37.83.100:3000/sooka_onest/sooka_onest_forestfire_vue2_visualization.git


			
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							<!--********************************************************************
* Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
*********************************************************************-->
<!DOCTYPE html>
<html>

<head>
    <meta charset='utf-8' />
    <title data-i18n="resources.title_markerCluster"></title>
    <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
    <script type="text/javascript" include="jquery,papaparse" src="../js/include-web.js"></script>
    <style>
        body {
            margin: 0;
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        }

        #map {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 100%;
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        .mapboxgl-marker {
            width: 10px;
            height: 10px;
            background: red;
            margin-top: -5px;
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<body>
    <div id='map'></div>
    <script type="text/javascript" include='mapbox-gl-enhance' src="../../dist/mapboxgl/include-mapboxgl.js"></script>
    <script type="text/javascript">
        var host = window.isLocal ? window.server : "https://iserver.supermap.io";
         $.get("../data/chinaEarthquake.csv", function (response) {
                var dataObj = Papa.parse(response, {
                    skipEmptyLines: true,
                    header: true
                });

                var data = dataObj.data;

                var geojson = {
                    "type": "FeatureCollection",
                    "features": []
                };


                for (var i = 0; i < data.length; i++) {
                    var item = data[i];
                    var date = new Date(item.date);
                    var year = date.getFullYear();

                    //2w+地震数据
                    if (year > 2000 && year < 2015) {
                        var feature = {
                            "type": "feature",
                            "geometry": {
                                "type": "Point",
                                "coordinates": []
                            },
                            "properties": {
                                "value": parseFloat(item.level)
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                        feature.geometry.coordinates = [parseFloat(item.X), parseFloat(item.Y)];

                        geojson.features.push(feature);
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                            "type": "raster",
                            "tiles": [host + '/iserver/services/map-china400/rest/maps/China/zxyTileImage.png?z={z}&x={x}&y={y}'],
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                zoom: 3
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            map.on('load', function () {
                map.addSource("earthquakes", {
                    type: "geojson",
                    data: geojson,
                    cluster: true,
                    clusterMaxZoom: 14, 
                    clusterRadius: 100 
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                map.addLayer({
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                    type: "circle",
                    source: "earthquakes",
                    filter: ["has", "point_count"],
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                });

                map.addLayer({
                    id: "cluster-count",
                    type: "symbol",
                    source: "earthquakes",
                    filter: ["has", "point_count"],
                    layout: {
                        "text-field": "{point_count_abbreviated}",
                        "text-font": ["DIN Offc Pro Medium", "Arial Unicode MS Bold"],
                        "text-size": 12
                    }
                });

                map.addLayer({
                    id: "unclustered-point",
                    type: "circle",
                    source: "earthquakes",
                    filter: ["!", ["has", "point_count"]],
                    paint: {
                        "circle-color": "#11b4da",
                        "circle-radius": 4,
                        "circle-stroke-width": 1,
                        "circle-stroke-color": "#fff"
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                map.on('click', 'clusters', function (e) {
                    var features = map.queryRenderedFeatures(e.point, {
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                    });
                    var clusterId = features[0].properties.cluster_id;
                    map.getSource('earthquakes').getClusterExpansionZoom(clusterId, function (
                        err, zoom) {
                        if (err)
                            return;
                        map.easeTo({
                            center: features[0].geometry.coordinates,
                            zoom: zoom
                        });
                    });
                });

                map.on('mouseenter', 'clusters', function () {
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                map.on('mouseleave', 'clusters', function () {
                    map.getCanvas().style.cursor = '';
                });
            });
        })

    </script>

</body>

</html>