OL_measure.vue
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<!--
* @Author: jiangbotao
* @Date: 2019-12-17 23:19:19
* @LastEditors: jiangbotao
* @LastEditTime: 2019-12-18 00:02:39
* @FilePath: \supermapvue\src\components\ol\OL_measure.vue
-->
<template>
<div >
<div id="map"></div>
</div>
</template>
<script>
import "ol/ol.css";
import { Map, View } from "ol";
import { XYZ } from 'ol/source';
import WKT from 'ol/format/WKT';
import VectorSource from "ol/source/Vector";
import Point from "ol/geom/Point";
import {Draw, Modify, Snap} from 'ol/interaction';
import { Tile as TileLayer, Vector as VectorLayer } from "ol/layer";
import {Circle as CircleStyle, Fill, Stroke, Style} from 'ol/style';
export default {
data() {
return {
map: null
};
},
mounted() {
var tdt_vec = new TileLayer({
source: new XYZ({
url: "http://t3.tianditu.com/DataServer?T=vec_w&x={x}&y={y}&l={z}&tk=394404c8b901574fdc4cdf8c18a98448"
})
});
var tdt_cva = new TileLayer({
source: new XYZ({
url: "http://t3.tianditu.com/DataServer?T=cva_w&x={x}&y={y}&l={z}&tk=394404c8b901574fdc4cdf8c18a98448"
})
});
// 矢量绘制图层
var source = new VectorSource();
var vectorLayer = new VectorLayer({
source: source,
style: new Style({
fill: new Fill({
color: 'rgba(255, 0, 0, 0.2)'
}),
stroke: new Stroke({
color: '#ffcc33',
width: 2
}),
image: new CircleStyle({
radius: 7,
fill: new Fill({
color: '#ffcc33'
})
})
})
});
this.map = new Map({
target: "map",
layers: [
tdt_vec, tdt_cva, vectorLayer
],
view: new View({
projection: "EPSG:4326",
center: [120.79, 27.99],
zoom: 12,
minZoom: 10,
maxZoom: 18
})
});
}
};
</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
#map {
position: absolute;
height: 100%;
width: 100%;
background-color: white
}
.ol-tooltip {
position: relative;
background: rgba(0, 0, 0, 0.5);
border-radius: 4px;
color: white;
padding: 4px 8px;
opacity: 0.7;
white-space: nowrap;
font-size: 12px;
}
.ol-tooltip-measure {
opacity: 1;
font-weight: bold;
}
.ol-tooltip-static {
background-color: #ffcc33;
color: black;
border: 1px solid white;
}
.ol-tooltip-measure:before,
.ol-tooltip-static:before {
border-top: 6px solid rgba(0, 0, 0, 0.5);
border-right: 6px solid transparent;
border-left: 6px solid transparent;
content: "";
position: absolute;
bottom: -6px;
margin-left: -7px;
left: 50%;
}
.ol-tooltip-static:before {
border-top-color: #ffcc33;
}
</style>