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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_queryByDistance"></title>
- <style type="text/css">
- body {
- margin: 0;
- overflow: hidden;
- background: #fff;
- width: 100%;
- height: 100%
- }
- #map {
- position: absolute;
- width: 100%;
- height: 100%;
- }
- #toolbar {
- position: absolute;
- top: 50px;
- right: 10px;
- text-align: center;
- z-index: 100;
- border-radius: 4px;
- }
- </style>
- </head>
- <body>
- <div id="toolbar" class="panel panel-primary">
- <div class='panel-heading'>
- <h5 class='panel-title text-center' data-i18n="resources.title_queryByDistance"></h5></div>
- <div class='panel-body content'>
- <input type="button" class="btn btn-default" data-i18n="[value]resources.text_query" onclick="queryByDistance()"/>
- <input type="button" class="btn btn-default" data-i18n="[value]resources.text_input_value_clear" onclick="clearFeatures()"/>
- </div>
- </div>
- <div id="map"></div>
- <script type="text/javascript" include="bootstrap,widgets.alert" src="../js/include-web.js"></script>
- <script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
- <script>
- var local, map, layer, markerLayer1, markerLayer2,
- centerPoint = new SuperMap.Geometry.Point(121, 31),//构造一个点的几何图形
- host = window.isLocal ? window.server : "https://iserver.supermap.io",
- url = host + "/iserver/services/map-world/rest/maps/World";
- init();
- function init() {
- map = new SuperMap.Map("map", {
- controls: [
- new SuperMap.Control.ScaleLine(),
- new SuperMap.Control.Zoom(),
- new SuperMap.Control.Navigation({
- dragPanOptions: {
- enableKinetic: true
- }
- })]
- });
- map.addControl(new SuperMap.Control.LayerSwitcher(), new SuperMap.Pixel(42, 80));
- layer = new SuperMap.Layer.TiledDynamicRESTLayer("World", url, {
- transparent: true,
- cacheEnabled: true
- }, {maxResolution: "auto"});
- layer.events.on({"layerInitialized": addLayer});
- markerLayer1 = new SuperMap.Layer.Markers("Markers");
- markerLayer2 = new SuperMap.Layer.Markers("Markers");
- //在地图上具体位置上画一个图形
- var point = centerPoint,
- size = new SuperMap.Size(44, 40),
- offset = new SuperMap.Pixel(-(size.w / 2), -size.h),
- icon = new SuperMap.Icon("./images/marker-gold.png", size, offset);
- markerLayer1.addMarker(new SuperMap.Marker(new SuperMap.LonLat(point.x, point.y), icon));
- }
- function addLayer() {
- map.addLayers([layer, markerLayer1, markerLayer2]);
- map.setCenter(new SuperMap.LonLat(106.3, 35), 2);
- }
- function queryByDistance() {
- markerLayer2.clearMarkers();
- var queryByDistanceParams = new SuperMap.REST.QueryByDistanceParameters({
- queryParams: new Array(new SuperMap.REST.FilterParameter({name: "Capitals@World.1"})),
- returnContent: true,
- distance: 30,
- geometry: centerPoint
- });
- var queryByDistanceService = new SuperMap.REST.QueryByDistanceService(url);
- queryByDistanceService.events.on({
- "processCompleted": processCompleted,
- "processFailed": processFailed
- });
- queryByDistanceService.processAsync(queryByDistanceParams);
- }
- function processCompleted(queryEventArgs) {
- var i, j, result = queryEventArgs.result;
- for (i = 0; i < result.recordsets.length; i++) {
- for (j = 0; j < result.recordsets[i].features.length; j++) {
- var point = result.recordsets[i].features[j].geometry,
- size = new SuperMap.Size(44, 33),
- offset = new SuperMap.Pixel(-(size.w / 2), -size.h),
- icon = new SuperMap.Icon("./images/marker.png", size, offset);
- markerLayer2.addMarker(new SuperMap.Marker(new SuperMap.LonLat(point.x, point.y), icon));
- }
- }
- }
- function processFailed(e) {
- widgets.alert.showAlert(e.error.errorMsg, false);
- }
- function clearFeatures() {
- //清除上次的显示结果
- markerLayer2.clearMarkers();
- }
- </script>
- </body>
- </html>
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