fuyuhang
/
Project_yhfu
зеркало из 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_mapQueryByDistance"></title>
    <script type="text/javascript" src="../js/include-web.js"></script>
    <script type="text/javascript" src="../../dist/ol/include-ol.js"></script>
</head>
<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%; position: absolute;top: 0;">
<div id="map" style="width: 100%;height:100%"></div>
<script type="text/javascript">
    var map, point, vectorLayer, resultLayer,
        url = (window.isLocal ? window.server : "https://iserver.supermap.io")+"/iserver/services/map-world/rest/maps/World";
    map = new ol.Map({
        target: 'map',
        controls: ol.control.defaults({attributionOptions: {collapsed: false}})
            .extend([new ol.supermap.control.Logo()]),
        view: new ol.View({
            center: [100, 0],
            zoom: 3,
            projection: 'EPSG:4326',
            multiWorld: true
        })
    });
    var layer = new ol.layer.Tile({
        source: new ol.source.TileSuperMapRest({
            url: url,
            wrapX: true
        }),
        projection: 'EPSG:4326'
    });
    map.addLayer(layer);
    query();

    function query() {
        //添加查询中心点
        point = new ol.geom.Point([104, 30]);
        var iconStyle = new ol.style.Style({
            image: new ol.style.Icon(({
                src: '../img/markerbig_select.png'
            }))
        });
        var feature = new ol.Feature(point);
        feature.setStyle(iconStyle);
        var pointSource = new ol.source.Vector({
            features: [feature],
            wrapX: false
        });
        vectorLayer = new ol.layer.Vector({
            source: pointSource
        });
        map.addLayer(vectorLayer);
        var param = new SuperMap.QueryByDistanceParameters({
            queryParams: {name: "Capitals@World.1"},
            distance: 10,
            geometry: point
        });
        //创建距离查询实例
        new ol.supermap.QueryService(url).queryByDistance(param, function (serviceResult) {
            var vectorSource = new ol.source.Vector({
                features: (new ol.format.GeoJSON()).readFeatures(serviceResult.result.recordsets[0].features),
                wrapX: false
            });
            resultLayer = new ol.layer.Vector({
                source: vectorSource
            });
            map.addLayer(resultLayer);
        });
    }
</script>
</body>
</html>