代码迁移
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197
src/Measure/MeasureHeight/index.js
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197
src/Measure/MeasureHeight/index.js
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/**
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* @name: index
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* @author: Administrator
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* @date: 2022-07-22 17:15
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* @description：index
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* @update: 2022-07-22 17:15
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*/
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import Measure from "../index";
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class MeasureHeight extends Measure {
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/**
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* @constructor
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* @param sdk
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* @description 高度测量
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* */
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constructor(sdk) {
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super(sdk, {text: "左键开始，右键取消"});
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}
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static create_polygon(that) {
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let id = that.randomString()
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let a = that.viewer.entities.add(new Cesium.Entity({
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id,
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billboard: {
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image: that.getSourceRootPath() + '/img/point.png',
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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disableDepthTestDistance: Number.POSITIVE_INFINITY,
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color: Cesium.Color.WHITE.withAlpha(0.99)
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},
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position: new Cesium.CallbackProperty(() => {
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return that.position
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}, false),
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label: {
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text: new Cesium.CallbackProperty(() => {
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return that.text
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}, false),
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scale: 1,
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// fillColor: Cesium.Color.RED,
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font: 'normal 20px MicroSoft YaHei',
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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style: Cesium.LabelStyle.FILL_AND_OUTLINE,
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pixelOffset: new Cesium.Cartesian2(0, -15),
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disableDepthTestDistance: Number.POSITIVE_INFINITY,
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},
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polyline: {
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positions: new Cesium.CallbackProperty(e => {
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return that.positions;
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}, false),
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width: 2,
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material: Cesium.Color.YELLOW,
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zIndex: 99999999
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},
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ellipse: {
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height: new Cesium.CallbackProperty(() => {
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return that.height + that.firstpoint.alt;
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}, false),
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semiMinorAxis: new Cesium.CallbackProperty(e => {
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return that.circleRadius;
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}, false),
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semiMajorAxis: new Cesium.CallbackProperty(e => {
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return that.circleRadius;
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}, false),
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material: new Cesium.Color.fromCssColorString(that.defaultColor)
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},
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}))
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return id
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}
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static create_point(that, cartesian, option = {}) {
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let id = that.randomString()
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let p = that.cartesian3Towgs84(cartesian, that.viewer)
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let params = {
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id: id,
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position: Cesium.Cartesian3.fromDegrees(p.lng, p.lat, p.alt),
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billboard: {
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image: that.getSourceRootPath() + '/img/point.png',
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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disableDepthTestDistance: Number.POSITIVE_INFINITY,
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color: Cesium.Color.WHITE.withAlpha(0.99)
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}
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}
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if (option.label) {
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params.label = {
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text: option.label.text,
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scale: 1,
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// fillColor: Cesium.Color.fromCssColorString("#06eee5"),
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font: 'normal 20px MicroSoft YaHei',
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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style: Cesium.LabelStyle.FILL_AND_OUTLINE,
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pixelOffset: new Cesium.Cartesian2(0, -15),
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}
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}
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that.viewer.entities.add(
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new Cesium.Entity(params)
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)
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return id
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}
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/**
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* 开始测量
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*/
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start() {
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if (!YJ.Measure.GetMeasureStatus()) {
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super.start()
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this.positions = []
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this.position = new Cesium.Cartesian3()
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this.height = 0
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this.text = ""
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this.circleRadius = 0
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let count = 0;
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this.firstpoint = null
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let leftEvent = (movement, cartesian) => {
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if (this.firstpoint === null) {
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this.positions.push(cartesian)
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this.firstpoint = this.cartesian3Towgs84(cartesian, this.viewer)
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this.ids.push(MeasureHeight.create_polygon(this))
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this.ids.push(MeasureHeight.create_point(this, cartesian))
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}
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count++
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this.tip.setPosition(cartesian, movement.position.x, movement.position.y)
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if (count === 2) {
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if (this.firstpoint) {
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let cur_point = this.cartesian3Towgs84(cartesian, this.viewer)
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this.positions[1] = Cesium.Cartesian3.fromDegrees(this.firstpoint.lng, this.firstpoint.lat, cur_point.alt)
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this.positions[2] = cartesian
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this.position = this.positions[1]
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this.circleRadius = this.computeDistance([this.firstpoint, cur_point])
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this.height = Number((cur_point.alt - this.firstpoint.alt).toFixed(2))
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this.text = "相对高度：" + this.height + " 米"
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this.tip.set_text("左键完成，右键取消；半径：" + this.circleRadius + " 米")
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}
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this.ids.push(MeasureHeight.create_point(this, cartesian, {label: {text: "半径：" + this.circleRadius + " 米"}}))
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this.end()
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}
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}
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this.event.mouse_left(leftEvent)
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this.event.mouse_move((movement, cartesian) => {
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this.tip.setPosition(cartesian, movement.endPosition.x, movement.endPosition.y)
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if (this.firstpoint) {
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let cur_point = this.cartesian3Towgs84(cartesian, this.viewer)
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this.positions[1] = Cesium.Cartesian3.fromDegrees(this.firstpoint.lng, this.firstpoint.lat, cur_point.alt)
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this.positions[2] = cartesian
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this.position = this.positions[1]
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this.circleRadius = this.computeDistance([this.firstpoint, cur_point])
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this.height = Number((cur_point.alt - this.firstpoint.alt).toFixed(2))
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this.text = "相对高度：" + this.height + " 米"
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this.tip.set_text("左键完成，右键取消；半径：" + this.circleRadius + " 米")
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}
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})
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this.event.mouse_right((movement, cartesian) => {
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this.end()
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this.destroy()
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})
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this.event.gesture_pinck_start((movement, cartesian) => {
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let startTime = new Date()
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let pos = {
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position: {
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x: (movement.position1.x + movement.position2.x) / 2,
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y: (movement.position1.y + movement.position2.y) / 2
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}
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}
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this.event.gesture_pinck_end(() => {
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let endTime = new Date()
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if (endTime - startTime >= 500) {
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// 长按取消
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this.end()
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this.destroy()
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}
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else {
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leftEvent(pos, cartesian)
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}
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})
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})
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}
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}
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/**
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* 结束测量
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*/
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end() {
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super.end()
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}
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/**
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* 清除测量
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*/
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destroy() {
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super.destroy()
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}
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}
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export default MeasureHeight
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