253 lines
10 KiB
Plaintext
253 lines
10 KiB
Plaintext
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="LocationSelect.aspx.cs" Inherits="FineUIPro.Web.HSSE.Hazard.LocationSelect" %>
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<!DOCTYPE html>
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<style>
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body,
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html,
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#container {
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overflow: hidden;
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width: 100%;
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height: 100%;
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margin: 0;
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font-family: "微软雅黑";
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}
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</style>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head runat="server">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title></title>
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<link href="../res/css/common.css" rel="stylesheet" type="text/css" />
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</head>
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<body>
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<form id="form1" runat="server">
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<f:PageManager ID="PageManager1" AutoSizePanelID="RegionPanel1" runat="server" />
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<f:RegionPanel ID="RegionPanel1" ShowBorder="false" runat="server" Margin="5px">
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<Regions>
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<f:Region ID="Region2" ShowBorder="false" ShowHeader="false" Position="Center" Layout="VBox"
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BoxConfigAlign="Stretch" BoxConfigPosition="Left" runat="server" BodyPadding="0 5 0 0">
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<Items>
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<f:ContentPanel ID="ContentPanel1" CssClass="bodyregion" ShowBorder="false" ShowHeader="false" runat="server" Height="500px">
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<div id="map" style="width:835px;height:500px"></div>
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</f:ContentPanel>
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<f:Form ID="SimpleForm1" ShowBorder="false" ShowHeader="false" AutoScroll="true"
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BodyPadding="10px" runat="server" RedStarPosition="BeforeText" LabelAlign="Left">
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<Toolbars>
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<f:Toolbar ID="Toolbar1" Position="Bottom" ToolbarAlign="Right" runat="server">
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<Items>
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<f:ToolbarFill ID="ToolbarFill1" runat="server">
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</f:ToolbarFill>
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<f:Button ID="btnSave" ToolTip="保存" Icon="SystemSave" runat="server" Text=""
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OnClick="btnSave_Click">
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</f:Button>
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</Items>
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</f:Toolbar>
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</Toolbars>
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<Rows>
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<f:FormRow>
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<Items>
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<f:TextBox ID="txtLoc" runat="server" Label="坐标" Required="true" LabelWidth="60px" ShowRedStar="true" FocusOnPageLoad="true" ></f:TextBox>
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</Items>
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</f:FormRow>
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</Rows>
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</f:Form>
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</Items>
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</f:Region>
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</Regions>
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</f:RegionPanel>
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</form>
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</body>
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</html>
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<link type="text/css" href="../../res/ol/ol.css" rel="stylesheet"/>
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<script type="text/javascript" src="../../res/ol/ol.js" charset="utf-8"></script>
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<script type="text/javascript" src="../../res/ol/bd09.js" charset="utf-8"></script>
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<script type="text/javascript">
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F.ready(function () {
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var txtLoc = "<%=txtLoc.ClientID%>"
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/*定义百度投影，这是实现无偏移加载百度地图离线瓦片核心所在。
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网上很多相关资料在用OpenLayers加载百度地图离线瓦片时都认为投影就是EPSG:3857(也就是Web墨卡托投影)。
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事实上这是错误的，因此无法做到无偏移加载。
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百度地图有自己独特的投影体系，必须在OpenLayers中自定义百度投影，才能实现无偏移加载。
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百度投影实现的核心文件为bd09.js，在迈高图官网可以找到查看这个文件。*/
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var projBD09 = new ol.proj.Projection({
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code: 'BD:09',
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extent: [-20037726.37, -11708041.66, 20037726.37, 12474104.17],
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units: 'm',
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axisOrientation: 'neu',
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global: false
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});
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ol.proj.addProjection(projBD09);
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ol.proj.addCoordinateTransforms("EPSG:4326", "BD:09",
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function (coordinate) {
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return lngLatToMercator(coordinate);
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},
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function (coordinate) {
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return mercatorToLngLat(coordinate);
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}
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);
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/*定义百度地图分辨率与瓦片网格*/
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var resolutions = [];
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for (var i = 0; i <= 18; i++) {
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resolutions[i] = Math.pow(2, 18 - i);
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}
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var tilegrid = new ol.tilegrid.TileGrid({
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origin: [0, 0],
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resolutions: resolutions
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});
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/*加载百度地图离线瓦片不能用ol.source.XYZ，ol.source.XYZ针对谷歌地图（注意：是谷歌地图）而设计，
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而百度地图与谷歌地图使用了不同的投影、分辨率和瓦片网格。因此这里使用ol.source.TileImage来自行指定
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投影、分辨率、瓦片网格。*/
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var source = new ol.source.TileImage({
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projection: "BD:09",
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tileGrid: tilegrid,
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tileUrlFunction: function (tileCoord, pixelRatio, proj) {
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//openlayer5的版本
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var z = tileCoord[0];
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var x = tileCoord[1];
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var y = tileCoord[2];
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var projectCode = '<%=ProjectCode%>'
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return '../../File/Map/' + projectCode + '/tiles/' + z + '/tile-' + x + '_' + y + '.png';
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//return '../../File/Map/SD1-PC-2023-001/tiles/' + z + '/tile-' + x + '_' + y + '.png';
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}
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});
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var mapLayer = new ol.layer.Tile({
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source: source
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});
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let map = new ol.Map({
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layers: [
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mapLayer
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],
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view: new ol.View({
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center: ol.proj.transform([5, 5], 'EPSG:4326', 'BD:09'),
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projection: 'BD:09',
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zoom: 5
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}),
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target: 'map'
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});
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var marker = null;
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var markerLayer = null;
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map.on('click', function (evt) {
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//map.clearOverlays();
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if (marker != null && markerLayer != null) {
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markerLayer.getSource().removeFeature(marker);
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}
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var coordinate = evt.coordinate; //鼠标单击点的坐标
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//新建一个要素ol.Feature
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//实例化Vector要素，通过矢量图层添加到地图容器中
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var iconFeature = new ol.Feature({
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geometry: new ol.geom.Point(coordinate),
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})
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marker = iconFeature;
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iconFeature.setStyle(createLabelStyle(iconFeature))
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//矢量标注的数据源
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var vectorSource = new ol.source.Vector({
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features: [iconFeature],
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})
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//矢量标注图层
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var vectorLayer = new ol.layer.Vector({
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source: vectorSource,
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})
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markerLayer = vectorLayer;
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map.addLayer(vectorLayer)
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F(txtLoc).setValue(coordinate[0] + ';' + coordinate[1])
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});
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var createLabelStyle = function (feature) {
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return new ol.style.Style({
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/**{olx.style.IconOptions}类型*/
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image: new ol.style.Icon({
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anchor: [0.5, 60],
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anchorOrigin: 'top-right',
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anchorXUnits: 'fraction',
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anchorYUnits: 'pixels',
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offsetOrigin: 'top-right',
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// offset:[0,10],
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//图标缩放比例
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// scale:0.5,
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//透明度
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//opacity: 0.75,
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//图标的url
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src: '../../File/Image/loc.png',
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})
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})
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}
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var txtloc = F(txtLoc).getValue();
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if (txtloc != null && txtloc != '') {
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var lng = txtloc.split(";")[0];
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var lat = txtloc.split(";")[1];
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//实例化Vector要素，通过矢量图层添加到地图容器中
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var iconFeature = new ol.Feature({
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geometry: new ol.geom.Point([Number(lng), Number(lat)]),
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})
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marker = iconFeature;
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iconFeature.setStyle(createLabelStyle(iconFeature))
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//矢量标注的数据源
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var vectorSource = new ol.source.Vector({
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features: [iconFeature],
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})
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//矢量标注图层
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var vectorLayer = new ol.layer.Vector({
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source: vectorSource,
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})
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markerLayer = vectorLayer;
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map.addLayer(vectorLayer);
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}
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//var tileLayer = new BMap.TileLayer();
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//tileLayer.getTilesUrl = function (tileCoord, zoom) {
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// var x = tileCoord.x;
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// var y = tileCoord.y;
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// return '../../File/Map/SD1-PC-2023-001/tiles/' + zoom + '/tile-' + x + '_' + y + '.png';
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//}
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//var MyMap = new BMap.MapType('MyMap', tileLayer, { minZoom: 3, maxZoom: 8 });
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//var map = new BMap.Map('map', { mapType: MyMap });
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//map.addControl(new BMap.NavigationControl( ));
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//map.centerAndZoom(new BMap.Point(0, 0), 5);
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////map.addEventListener('click', function (e) {
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//// alert('点击位置经纬度：' + e.latlng.lng + ',' + e.latlng.lat);
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//// // var marker1 = new BMap.Marker(new BMap.Point(e.latlng.lng, e.latlng.lat));
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////// 在地图上添加点标记
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////map.addOverlay(marker1);
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////});
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//map.addEventListener("click", function (e) {
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// map.clearOverlays();
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// var marker1 = new BMap.Marker(new BMap.Point(e.Dg.lng, e.Dg.lat));
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// //// 在地图上添加点标记
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// map.addOverlay(marker1);
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// F( txtLoc).setValue(e.Dg.lng+';'+e.Dg.lat)
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//}
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//);
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//var txtloc = F(txtLoc).getValue();
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//if (txtloc != null && txtloc != '') {
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// var lng = txtloc.split(";")[0];
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// var lat = txtloc.split(";")[1];
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// var marker1 = new BMap.Marker(new BMap.Point(lng, lat));
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// //// 在地图上添加点标记
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// map.addOverlay(marker1);
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// }
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});
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</script>
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