import * as mars3d from "mars3d"
|
|
export let map // mars3d.Map三维地图对象
|
let floodByGraphic
|
let drawPotions
|
|
export const eventTarget = new mars3d.BaseClass() // 事件对象，用于抛出事件到面板中
|
|
/**
|
* 初始化地图业务，生命周期钩子函数（必须）
|
* 框架在地图初始化完成后自动调用该函数
|
* @param {mars3d.Map} mapInstance 地图对象
|
* @returns {void} 无
|
*/
|
export function onMounted(mapInstance) {
|
map = mapInstance // 记录map
|
|
// 基于polygon矢量面抬高模拟，只支持单个区域
|
floodByGraphic = new mars3d.thing.FloodByGraphic({
|
style: {
|
color: "#007be6",
|
opacity: 0.5,
|
outline: false
|
}
|
})
|
map.addThing(floodByGraphic)
|
|
floodByGraphic.on(mars3d.EventType.start, function (e) {
|
console.log("开始分析", e)
|
})
|
floodByGraphic.on(mars3d.EventType.change, function (e) {
|
const height = e.height
|
eventTarget.fire("heightChange", { height })
|
})
|
floodByGraphic.on(mars3d.EventType.end, function (e) {
|
console.log("结束分析", e)
|
})
|
}
|
|
/**
|
* 释放当前地图业务的生命周期函数
|
* @returns {void} 无
|
*/
|
export function onUnmounted() {
|
map = null
|
|
clearDraw()
|
floodByGraphic.remove()
|
floodByGraphic = null
|
}
|
|
// 绘制矩形
|
export function btnDrawExtent(callback) {
|
clearDraw()
|
|
map.graphicLayer.startDraw({
|
type: "rectangle",
|
style: {
|
color: "#007be6",
|
opacity: 0.8,
|
outline: false
|
},
|
success: function (graphic) {
|
// 绘制成功后回调
|
const positions = graphic.getOutlinePositions(false)
|
|
// 区域
|
drawPotions = positions
|
|
// 求最大、最小高度值
|
showLoading()
|
const result = mars3d.PolyUtil.getHeightRange(positions, map.scene)
|
callback(result.minHeight, result.maxHeight)
|
hideLoading()
|
}
|
})
|
}
|
// 绘制多边形
|
export function btnDraw(callback) {
|
clearDraw()
|
|
map.graphicLayer.startDraw({
|
type: "polygon",
|
style: {
|
color: "#007be6",
|
opacity: 0.5,
|
outline: false
|
},
|
success: function (graphic) {
|
const positions = graphic.positionsShow
|
|
drawPotions = positions
|
|
// 求最大、最小高度值
|
showLoading()
|
const result = mars3d.PolyUtil.getHeightRange(positions, map.scene)
|
callback(result.minHeight, result.maxHeight)
|
hideLoading()
|
}
|
})
|
}
|
|
export function clearDraw() {
|
drawPotions = null
|
map.graphicLayer.clear()
|
if (floodByGraphic) {
|
floodByGraphic.clear()
|
}
|
}
|
|
// 开始分析
|
export function begin(data, callback) {
|
if (drawPotions == null) {
|
globalMsg("请首先绘制分析区域！")
|
return
|
}
|
map.graphicLayer.clear()
|
floodByGraphic.positions = drawPotions
|
|
const minValue = Number(data.minHeight)
|
const maxValue = Number(data.maxHeight)
|
const speed = Number(data.speed)
|
|
floodByGraphic.setOptions({
|
minHeight: minValue,
|
maxHeight: maxValue,
|
speed: speed
|
})
|
floodByGraphic.start()
|
callback()
|
}
|
|
// 高度选择
|
export function onChangeHeight(height) {
|
floodByGraphic.height = height
|
}
|
|
// 自动播放
|
export function startPlay() {
|
if (floodByGraphic.isStart) {
|
floodByGraphic.stop()
|
} else {
|
floodByGraphic.start()
|
}
|
}
|
