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Vue中使用Openlayer實現載入動畫效果

注意:實現動畫時不能有scoped!!!!

通過gif

Vue中使用Openlayer實現載入動畫效果

<template>
  <div class="test">
    <div id="map" ref="map" style="width: 100vw; height: 100vh"></div>
  </div>
</template>
 
<script>
import "ol/ol.";
import { Map,View,Overlay } from "ol";
import TileLayer from "ol/layer/Tile";
import OSM from "ol/source/OSM";
 
export default {
  name: "gif",data() {
    return {
      map: {},overlay: {},markerPoint: {},geoonData: {
        type: "FeatureCollection",features: [
          {
            type: "Feature",properties: {
              title: "警報1",},geometry: {
              type: "Point",coordinates: [91.48879670091165,37.83814884701121],{
            type: "Feature",properties: {
              title: "警報2",coordinates: [99.19515576149941,26.713646654711134],properties: {
              title: "警報3",coordinates: [123.74363825288785,44.363694825734726],],};
  },mounted() {
    this.initMap();
    this.addGif();
  },methods: {
    // 初始化地圖
    initMap() {
      this.map = new Map({
        target: "map",layers: [
          new TileLayer({
            source: new OSM(),}),view: new View({
          projection: "EPSG:4326",center: [104.912777,34.730746],zoom: 4.5,});
    },// 使用Overlay新增GIF動態圖示點位資訊
    addGif() {
      let coordinates = this.getCoordinatesByGeojson(this.geojsonData);
 
      for (const i in coordinates) {
        let gif_span = document.createElement("span");
 
        document.documentElement.appendChild(gif_span);
        this.$nextTick(() => {
          this.markerPoint = new Overlay({
            position: coordinates[i],element: gif_span,positioning: "center-center",});
          this.map.addOverlay(this.markerPoint);
        });
      }
    },//根據geojson資料獲取座標集
    getCoordinatesByGeojson(geojsonData) {
      let coordinates = [];
      geojsonData.features.map((feature) => {
        coordinates = [...coordinates,feature.geometry.coordinates];
      });
      return coordinates;
    },};
</script>
<style lang='scss' >
.test {
  span {
    display: inline-block;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: url("https://smart-garden-manage.oss-cn-chengdu.aliyuncs.com/gif.gif")
      no-repeat;
    background-size: 80px 80px;
  }
}
</style>

通過關鍵幀@keyframes

Vue中使用Openlayer實現載入動畫效果

<template>
  <div class="test">
    <div id="map" ref="map" style="width: 100vw; height: 100vh"></div>
  </div>
</template>
 
<script>
import "ol/ol.css";
import { Map,point_overlay: {},geojsonData: {
        type: "FeatureCollection",// 使用Overlay新增GIF動態圖示點位資訊
    addGif() {
      let coordinates = this.getCoordinatesByGeojson(this.geojsonData);
 
      for (const i in coordinates) {
        let point_div = document.createElement("div");
        point_div.className = "css_animation";
        point_div.id = `coordinate_${i}`;
        document.documentElement.appendChild(point_div);
 
        this.$nextTick(() => {
          this.point_overlay = new Overlay({
            position: coordinates[i],element: point_div,
positioning: "center-center",}); this.map.addOverlay(this.point_overlay); }); } },}; </script> <style lang='scss' > .test { .css_animation { height: 50px; width: 50px; border-radius: 50%; background: rgba(255,0.9); box-shadow: inset 0 0 8px red; transform: scale(0); animation: myfirst 3s; animation-iteration-count: infinite; //無限迴圈 } @keyframes myfirst { to { transform: scale(2); background: rgba(0,0); box-shadow: inset 0 0 50px rgba(255,0); } } } </style>

既可載入動畫,又可獲取動畫所在要素點的屬性

Vue中使用Openlayer實現載入動畫效果Vue中使用Openlayer實現載入動畫效果

注意:該程式碼存在問題。目前只能要麼點選獲取屬性,要麼展示動畫,而不能同時存在,還有待優化!

<template>
  <div class="test">
    <div id="map" ref="map" style="width: 100vw; height: 100vh"></div>
    <div
      id="popup"
      style="
        position: absolute;
        background-color: rgba(47,57,90,0.678);
        bottom: 20px;
        left: 30px;
        border: 1px solid white;
www.cppcns.com        padding: 10px;
        width: 60px;
      "
    >
      {{ properties.title }}
    </div>
  </div>
</template>
 
<script>
import "ol/ol.css";
import { Map,Overlay } from "ol";
import { OSM,Vector as VectorSource } from "ol/source";
import { Vector as VectorLayer,Tile as TileLayer } from "ol/layer";
import GeoJSON from "ol/format/GeoJSON";
 
import Select from "ol/interaction/Select";
import { altKeyOnly,click,pointerMove } from "ol/events/condition";
import { Fill,Stroke,Style,Circle } from "ol/style";
 
export default {
  name: "gif",layer: {},coordinatZjSOfjPCxnes: [91.48879670091165,select: {},properties: {
        title: "",mounted() {
    this.initMap();
    // this.addGif();//註釋掉後,點選可獲取feature屬性
  },methods: {
    // 初始化地圖
    initMap() {
      this.layer = new VectorLayer({
        source: new VectorSource({
          features: new GeoJSON().readFeatures(this.geojsonData),});
      this.map = new Map({
        target: "map",this.layer,});
 
      this.select = new Select({
        condition: click,//單擊選擇
      });
      this.map.addInteraction(this.select);
 
      let overlayer_popup = new Overlay({
        element: document.getElementById("popup"),//一定要加上,否則會有偏移
      });
 
      this.select.on("select",(e) => {
        let coordinate = e.mapBrowserEvent.coordinate; //獲取選擇的座標
 
        let featureSelect = e.selected[0]; //選中的feature要素
 
        if (e.selected.length !== 0) {
          overlayer_popup.setPosition(coordinate);
          this.map.addOverlay(overlayer_popup);
        } else {
          overlayer_popup.setPosition("");
        }
 
        if (featureSelect) {
          this.properties = featureSelect.getProperties(); //獲取當前要素的所有屬性
          //設定選中的樣式
          featureSelect.setStyle(
            new Style({
              image: new Circle({
                radius: 10,www.cppcns.com   fill: new Fill({
                  //向量圖層填充顏色,以及透明度
                  color: "rgba(255,0.5)",stroke: new Stroke({
                  //邊界樣式
                  color: "rgba(100,209,0.6)",width: 3,客棧    }),})
          );
        }
      });
 
      // 設定滑鼠劃過向量要素的樣式
      this.map.on("pointermove",(e) => {
        const isHover = this.map.hasFeatureAtPixel(e.pixel);
        this.map.getTargetElement().style.cursor = isHover ? "pointer" : "";
      });
    },};
</script>
<style lang='scss' scoped>
.test {
}
</style>
<style lang='scss' >
.test {
  .css_animation {
    height: 50px;
    width: 50px;
    border-radius: 50%;
    background: rgba(255,0);
    }
  }
}
</style>

到此這篇關於+Openlayer載入動畫的文章就介紹到這了,更多相關Vue Openlayer載入動畫內容請搜尋我們以前的文章或繼續瀏覽下面的相關文章希望大家以後多多支援我們!