📌预览

📌代码


<template>
<div id="root-container" ref="rootContainer" class="root-container">
<div class="left-top-plugin">
<el-button type="primary" plain @click="start" :disabled="started">开始
</el-button>
<el-button type="primary" plain @click="drawRectEdit" :disabled="!started || edited">进入编辑模式</el-button>
<el-button type="danger" plain @click="drawRectRemove" :disabled="!started">删除全部</el-button>
</div>
</div>
</template>
import { onMounted, onUnmounted, ref, } from "vue";
import { PocketViewer } from '@/util/PocketViewer'
import { Viewer } from 'cesium';
import { RectGaguger, type RectGaugerOptions, } from "cesium-pocket/gauger";
import { ElButton, ElMessageBox } from 'element-plus'
const rootContainer: any = ref(null);
const viewer = ref<Viewer | null>(null)
const status = ref(null)
const started = ref(false)
const edited = ref(false)
const deleted = ref(false)
let rectGauger: any = null
onMounted(() => {
let mfCesium = new PocketViewer(rootContainer.value, {})
viewer.value = mfCesium.getViewer()
init()
});
onUnmounted(() => {
if (viewer.value && !viewer.value.isDestroyed()) {
viewer.value.destroy();
viewer.value = null;
}
});
let delConfirmFun = (): Promise<any> => {
return new Promise((resolve) => {
ElMessageBox.confirm(
'确定删除该节点吗?',
'',
{
confirmButtonText: '确定',
cancelButtonText: '取消',
type: 'warning',
}
).then(() => {
resolve(true)
}).catch(() => {
resolve(false)
})
})
}
const init = () => {
let options: RectGaugerOptions = {
delConfirmFun: delConfirmFun
}
rectGauger = new RectGaguger(viewer.value as Viewer, options)
}
const start = () => {
rectGauger.start()
started.value = true
}
const drawRectEdit = () => {
rectGauger.setEditStatus()
edited.value = true
deleted.value = false
}
const drawRectRemove = () => {
rectGauger.clearAll()
status.value = rectGauger.getStatus()
started.value = false
edited.value = false
deleted.value = false
init()
}
.root-container {
position: relative;
width: 100wh;
height: 100vh;
overflow: hidden;
}
.left-top-plugin {
position: absolute;
top: 20px;
left: 10px;
z-index: 10;
}

📌操作步骤及流程

  1. 点击“开始”进入绘制模式,可绘制圆面,同时测量面积及半径距离
  2. 点击“进入编辑模式”开始编辑。鼠标变手型抓取时按住鼠标左键可拖拽节点,松开则放弃编辑。(拖拽圆心则移动圆面,拖拽边缘点则修改圆面半径)。面积和半径实时更新
  3. 点击“删除全部”可删除所有圆面。
  4. 可自定义节点和圆面的实体要素

📌构造函数参数列表(new CircleGauger(...))

序号 名称 类型 必须? 默认值 含义 备注
1 viewer Cesium.Viewer - viewer对象 -
2 options{ ... } CircleOptions - 其他参数 参数集对象
2-1 options.point Cesium.PointGraphics.ConstructorOptions - Entity的PointGraphics参数项 -
2-2 options.ellipse Cesium.EllipseGraphics.ConstructorOptions - Entity的EllipseGraphics参数项 -
2-3 options.circleOverFun (startPoint: Cartesian3, endPoint: Cartesian3) => void - 绘制结束时的回调函数 -
2-4 options.circleMovingFun (startPoint: Cartesian3, endPoint: Cartesian3) => void - 绘制移动时的回调函数 -
2-5 options.circleEditFun () => Promise<boolean> {浏览器自带confirm} 删除时待确认的回调函数 -

📌API方法列表

序号 方法名 入参 返回值 含义 备注
1 start - void 开启测量圆面 -
2 getEntity - Cesium.Entity 获得圆面Entity -
3 getDataSource - Cesium.DataSource 获得点所有节点的DataSource -
4 getPositions - Cartain3[] 获得点所有节点的坐标 -
5 clearAll - - 清除所有对象 -