# qe-sky-line
这个组件主要用于三维中添加天际线分析,支持场景通视分析的添加、清除。天际线是指天空与观察点周围的表面以及要素相分离的界线。天际线分析功能可根据观察点,生成当前场景窗口中建筑物顶端边缘与天空的分离线。借助分离线可以直观发现不和谐的建筑体。
# 实例
隐藏代码
<template>
<div class="container">
<div class="bar" style="position: absolute;top: 339px;right: 434px;">
<el-button type="primary" size="mini" @click="add()">
开启
</el-button>
<el-button type="danger" size="mini" @click="clear()">
清除
</el-button>
</div>
<qe-viewer
:imagery-type="'AMap'"
:default-view="defaultView"
:location-bar="false"
:viewer-mode="'3D'"
>
<qe-primitive-layer :visible="true" :name="'倾斜摄影图层'">
<qe-tileset
v-for="(url, index) in testJson"
:key="index"
:url="url"
:is-zoom-to="true"
:tileset-options="tilesetOptions"
@ready="handleTileset"
/>
</qe-primitive-layer>
<qe-sky-line v-if="skylineVisible" @ready="handlerSkyLine" />
</qe-viewer>
</div>
</template>
<script>
import { QeViewer,QeSkyLine,QePrimitiveLayer,QeTileset } from '@qycloud/vue-qearth';
import 'vue2qearth/vue2qearth.css'
import ElementUI from 'element-ui'
import Vue from 'vue'
import 'element-ui/lib/theme-chalk/index.css'
Vue.use(ElementUI)
export default {
components: {
QeViewer,
QeTileset,
QePrimitiveLayer,
QeSkyLine
},
data() {
return {
skylineVisible:false,
testJson: ['http://221.226.186.58:8025/qearth-tileset/tileset.json'],
defaultView: [122.06502636, 40.7235578, 1672, 357.62, -10.82, 359.99],
tilesetOptions: {
maximumMemoryUsage: 32,
maximumScreenSpaceError: 16,
baseScreenSpaceError: 1024,
skipLevelOfDetail: true,
dynamicScreenSpaceError: true,
cullWithChildrenBounds: true,
cullRequestsWhileMoving: true,
preloadWhenHidden: true,
preloadFlightDestinations: true,
preferLeaves: true,
loadSiblings: false
}
}
},
created() {
},
methods: {
handlerSkyLine(skyline) {
this.skyline = skyline
},
handleTileset(tileset) {
tileset.setHeight(0)
},
add() {
this.skylineVisible = true
},
clear() {
this.skylineVisible = false
}
}
}
</script>
<style lang="scss" scoped>
.container {
height: 450px;
}
.bar {
padding: 20px 15px 20px 12px;
border: 2px solid #008aff70;
.el-form {
::v-deep .el-form-item__label {
color: #fff;
font-size: 14px;
}
::v-deep .el-input__inner {
height: 30px;
line-height: 30px;
width: 130px;
color: #fff;
border-radius: 2px;
background-color: transparent;
}
::v-deep .el-form-item {
margin-bottom: 10px;
}
}
position: absolute;
right: 20px;
top: 20px;
z-index: 2;
background-color: rgba(23, 49, 71, 0.8);
}
</style>
# Events
覆盖物事件的使用请参照上面SkyLine 实例
// 覆盖物可选事件
"ready" // 组件装载后,返回当前实例对象