flat: 地图
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史典卓
@@ -5,46 +5,6 @@
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</template>
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<script>
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import 'ol/ol.css';
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import Map from 'ol/Map';
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import View from 'ol/View';
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import TileLayer from 'ol/layer/Tile';
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import SourceVector from 'ol/source/Vector';
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import LayerVector from 'ol/layer/Vector';
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import * as control from 'ol/control';
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import {
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toLonLat
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} from 'ol/proj';
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import Overlay from 'ol/Overlay';
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import {
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toStringHDMS
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} from 'ol/coordinate';
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import {
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Select
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} from 'ol/interaction'
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import {
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GeoJSON
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} from 'ol/format';
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import {
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Style,
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Circle,
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Fill,
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Stroke,
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Icon,
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Text
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} from 'ol/style';
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import Feature from 'ol/Feature';
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import {
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Point,
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Polygon
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} from 'ol/geom';
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import {
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Logo,
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TileSuperMapRest,
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FeatureService,
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GetFeaturesByGeometryParameters
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} from '@supermap/iclient-ol';
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const geoJSONParser = new GeoJSON();
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let mypoint = require('@/static/img/mypoint.png');
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export default {
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name: "uMapView",
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@@ -114,297 +74,12 @@
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};
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},
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mounted() {
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if (this.init) {
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this.initMap()
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}
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},
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methods: {
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initMap(options) {
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let lat, lon;
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if (options) {
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lat = options.lat
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lon = options.lon
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} else {
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lat = this.latitude
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lon = this.longitude
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}
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this.map = new Map({
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target: 'map',
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controls: control.defaults({
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attribution: false,
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zoom: this.ScaleZoom,
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}),
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layers: [
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new TileLayer({ // 使用瓦片
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source: new TileSuperMapRest({
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url: this.MapUrl,
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wrapX: true,
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}),
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projection: 'EPSG:4326',
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}),
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],
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view: new View({
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center: [lon, lat],
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maxZoom: this.maxZoom,
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minZoom: this.minZoom,
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zoom: this.zoom,
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projection: 'EPSG:4326',
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})
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});
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//添加查询结果图层
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this.vectorSource = new SourceVector({
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wrapX: false
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});
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const resultLayer = new LayerVector({
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source: this.vectorSource,
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});
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//添加点图层
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this.addPointsSource = new SourceVector({
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wrapX: false
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});
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const addPointsLayer = new LayerVector({
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source: this.addPointsSource,
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});
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this.map.addLayer(addPointsLayer);
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this.map.addLayer(resultLayer);
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this.map.on('pointermove', (e) => {
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if (this.isShowToolTip) {
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this.helpTooltip.setPosition(undefined);
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this.helpTooltipElement.classList.add('hidden');
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}
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this.$emit('regionchange', e.pixel)
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});
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this.map.on('singleclick', (e) => {
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this.$emit('clickMap', e.coordinate)
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});
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if (this.open) {
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this.addFeature([{
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id: 1,
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latitude: lat,
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longitude: lon,
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iconPath: mypoint,
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title: '',
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width: 20,
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height: 20
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}])
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}
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if (this.flagTip) {
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this.createHelpTooltip()
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}
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},
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addMarker(point) {
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console.log('point', point)
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// this.ceateMarker([104.404419, 31.133980])
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},
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addFeature(covers) {
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console.log(covers)
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const features = covers.map((item) => ({
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type: 'Feature',
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geometry: {
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type: 'Point',
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coordinates: [item.longitude, item.latitude],
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},
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properties: {
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iconPath: item.iconPath,
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text: item.title,
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value: JSON.stringify(item),
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scale: item.id === 1 ? [0.15, 0.15] : [0.1, 0.1]
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}
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}))
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this.careateFeature(features)
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},
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ceateMarker(point) {
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// 创建一个坐标点
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const pointed = new Point(point); // 这里的[0, 0]应该替换为您的经度和纬度
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// 创建一个特征
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const pointFeature = new Feature({
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geometry: pointed,
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name: 'My Point'
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});
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pointFeature.setStyle(new Style({
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image: new Circle({
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fill: new Fill({
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color: [255, 0, 0, 0.5]
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}),
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stroke: new Stroke({
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color: 'red',
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width: 2
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}),
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radius: 8
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})
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}));
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pointFeature.setProperties({
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POP: 1,
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CAPITAL: 'test'
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});
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this.addPointsSource.clear()
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// 将特征添加到矢量图层
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this.addPointsSource.addFeature(pointFeature);
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// 确保更新地图视图以显示新的标点
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this.map.getView().fit(this.addPointsSource.getExtent());
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// // 或者移动视图
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// _this.map.getView().animate({
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// duration: 850,
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// zoom: 5,
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// center: point,
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// });
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},
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careateFeature(result) {
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if (this.vectorSourceIcon) {
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this.vectorSourceIcon.clear()
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const geojsonObject = {
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type: 'FeatureCollection',
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features: result,
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};
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this.vectorSourceIcon.addFeatures(geoJSONParser.readFeatures(geojsonObject))
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this.vectorSourceIcon.changed()
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return
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}
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const geojsonObject = {
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type: 'FeatureCollection',
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features: result,
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};
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// 创建一个图层作为点位
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this.vectorSourceIcon = new SourceVector({
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features: geoJSONParser.readFeatures(geojsonObject)
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});
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this.vectorLayerIcon = new LayerVector({
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source: this.vectorSourceIcon,
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style: feature => {
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return new Style({
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image: new Icon({
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anchor: [0.5, 0.9],
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scale: feature.get('scale'),
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src: feature.get('iconPath'),
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}),
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text: new Text({
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text: feature.get('text'),
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fill: new Fill({
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color: '#000'
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}),
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stroke: new Stroke({
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color: '#fff',
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width: 3
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}),
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font: 'normal 12px Calibri, sans-serif',
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textAlign: 'center', // 文本对齐
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offsetX: 0,
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offsetY: 15,
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rotation: 0, // 文本旋转
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}),
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});
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}
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});
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this.map.addLayer(this.vectorLayerIcon);
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// 添加事件
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this.selectInteraction = new Select({
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layers: [this.vectorLayerIcon]
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});
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this.selectInteraction.on('select', (event) => {
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const selectedFeatures = event.selected;
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if (selectedFeatures.length) {
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const select = selectedFeatures[0].values_
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this.$emit('markertap', JSON.parse(select.value))
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// tooltip
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if (this.flagTip) {
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const coordinate = selectedFeatures[0].values_.geometry.flatCoordinates;
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this.helpTooltipElement.innerHTML = select.text;
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console.log(this.helpTooltip)
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this.helpTooltip.setPosition(coordinate);
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this.helpTooltipElement.classList.remove('hidden');
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this.map.addOverlay(this.helpTooltip);
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this.isShowToolTip = true
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}
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}
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});
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this.map.addInteraction(this.selectInteraction);
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},
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createHelpTooltip() {
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this.helpTooltipElement
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if (this.helpTooltipElement) {
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this.helpTooltipElement.parentNode.removeChild(this.helpTooltipElement);
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}
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this.helpTooltipElement = document.createElement('div');
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this.helpTooltipElement.className = 'tooltip hidden';
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this.helpTooltip = new Overlay({
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element: this.helpTooltipElement,
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offset: [-30, 20],
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positioning: 'center-left'
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});
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}
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}
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methods: {}
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}
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</script>
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<style scoped>
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.app-content {}
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.editPane {
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position: absolute;
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right: 65px;
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top: 8px;
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text-align: center;
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background: #FFF;
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z-index: 1000;
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border-radius: 4px;
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}
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.ol-popup {
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position: absolute;
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background-color: white;
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-webkit-filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
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filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
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padding: 15px;
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border-radius: 10px;
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border: 1px solid #cccccc;
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bottom: 12px;
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left: -50px;
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min-width: 120px;
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white-space: nowrap;
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}
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.ol-popup:after,
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.ol-popup:before {
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top: 100%;
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border: solid transparent;
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content: " ";
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height: 0;
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width: 0;
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position: absolute;
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pointer-events: none;
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}
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.ol-popup:after {
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border-top-color: white;
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border-width: 10px;
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left: 48px;
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margin-left: -10px;
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}
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.ol-popup:before {
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border-top-color: #cccccc;
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border-width: 11px;
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left: 48px;
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margin-left: -11px;
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}
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.tooltip {
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position: relative;
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background: rgba(0, 0, 0, 0.5);
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border-radius: 4px;
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color: white;
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padding: 4px 8px;
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opacity: 0.7;
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white-space: nowrap;
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}
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</style>
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