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@ -1,231 +0,0 @@
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/*
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* @Author: cbwu 504-wuchengbo@htsdfp.com
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* @Date: 2024-03-28 09:14:45
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* @LastEditors: cbwu
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* @LastEditTime: 2024-03-28 17:40:14
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* @Description: 封装的几何类型类
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*/
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import {
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Entity,
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EntityCollection,
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Cartesian3,
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Color,
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PrimitiveCollection,
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PointPrimitiveCollection,
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PolylineGeometry,
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PointGraphics,
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Property,
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PositionProperty,
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LabelGraphics,
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PolylineGraphics,
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PolygonGraphics,
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Cartesian2,
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ConstantPositionProperty,
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CallbackProperty,
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} from 'cesium'
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type EntityOptions = {
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id?: string
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name?: string
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show?: boolean
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pixelSize?: number
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outlineColor?: Color
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color?: Color
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fillColor?: Color
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fill?: boolean
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width?: number
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outlineWidth?: number
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text?: string
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font?: string
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pixelOffset?: Cartesian2
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}
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// 点
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class PointEntity extends Entity {
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static ID: number = 0
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public subId: number = 0 //用于作为其他几何体的控制点时标记节点号
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options: EntityOptions = {
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id: 'Point' + String(PointEntity.ID),
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name: 'Point' + String(PointEntity.ID + 1),
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show: true,
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pixelSize: 10,
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color: Color.GREEN,
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outlineWidth: 0,
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}
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constructor(
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position: PositionProperty | Cartesian3,
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options?: EntityOptions,
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) {
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super({
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position: position,
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})
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this.options = { ...this.options, ...options }
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//点对象
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this.point = new PointGraphics({
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pixelSize: this.options.pixelSize,
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color: this.options.color,
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outlineColor: this.options.outlineColor,
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outlineWidth: this.options.outlineWidth,
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})
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// 标注对象
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this.label = new LabelGraphics({
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text: this.options.text,
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font: this.options.font,
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pixelOffset: this.options.pixelOffset,
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})
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PointEntity.ID++
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}
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}
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// 线
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class PolylineEntity extends EntityCollection {
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static ID: number = 0
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positions: Cartesian3[] = []
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controlPointsID: string[] = []
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options: EntityOptions = {
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id: 'Polyline' + String(PolylineEntity.ID),
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name: 'Polyline' + String(PolylineEntity.ID + 1),
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show: true,
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width: 2,
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color: Color.GREEN,
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}
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constructor(ptArr: Cartesian3[], options?: EntityOptions) {
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super()
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this.options = { ...this.options, ...options }
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this.positions = ptArr
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const polyline = new Entity({
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name: this.options.name,
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polyline: {
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positions: new CallbackProperty(() => {
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return this.positions
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}, false),
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show: this.options.show,
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width: this.options.width,
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material: this.options.color,
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},
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})
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this.add(polyline)
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ptArr.forEach((pt, index) => {
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this.createPoint(pt, index)
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})
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PolylineEntity.ID++
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}
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/**
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* 新增一个节点,默认插入在尾部，
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* @param pos 点坐标
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* @param index 插入的位置，0起步
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*/
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public addPoint(pos: Cartesian3, index: number = -1) {
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if (index === -1) {
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//插入尾部
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this.positions.push(pos)
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this.createPoint(pos, this.positions.length - 1)
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} else if (index >= 0 && index < this.positions.length) {
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this.positions.splice(index, 0, pos)
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this.createPoint(pos, index)
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} else {
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return
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}
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}
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/**
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* 移除点
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* @param index 移除点的位置
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* @returns
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*/
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public removePoint(index: number = -1) {
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if (index === -1 || index === this.positions.length - 1) {
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//移除尾部元素
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this.positions.pop()
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} else if (index >= 0 && index < this.positions.length) {
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this.positions.splice(index, 1)
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this.removeById(this.controlPointsID[index])
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this.controlPointsID.splice(index, 1)
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} else {
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return
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}
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}
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/**
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* 修改某点的坐标
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* @param pos 修改点的坐标
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* @param index 修改点的位置
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*/
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public modifyPoint(pos: Cartesian3, index: number) {
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if (index >= 0 && index < this.positions.length) {
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this.positions.splice(index, 1, pos)
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//修改控制点坐标
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const point = this.getById(this.controlPointsID[index])
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if (point) {
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point.position = new ConstantPositionProperty(pos)
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}
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}
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}
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/**
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* 新加一个点
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* @param pos 点的坐标
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* @param index 插入的位置,0起步
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*/
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createPoint(pos: Cartesian3, index: number) {
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const point = new PointEntity(pos)
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point.subId = index + 1
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this.add(point)
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this.controlPointsID.splice(index, 0, point.id)
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}
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}
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// 多边形
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class PolygonEntity extends Entity {
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static id: number = 0
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options: EntityOptions = {
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id: 'Polygon' + String(PolygonEntity.id),
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name: 'Polygon' + String(PolygonEntity.id + 1),
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show: true,
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width: 2,
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color: Color.RED,
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fillColor: Color.RED.withAlpha(0.5),
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fill: true,
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}
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constructor(ptArr: Cartesian3[] | Property, options?: EntityOptions) {
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super({
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// id: options?.id || String(PolygonEntity.id),
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})
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this.options = { ...this.options, ...options }
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this.name = this.options.name
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this.polygon = new PolygonGraphics({
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show: this.options.show,
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hierarchy: ptArr,
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material: this.options.fillColor, //填充颜色
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fill: this.options.fill, //是否填充
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outlineWidth: this.options.width, //线宽
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outlineColor: this.options.color, //线颜色
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})
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PolygonEntity.id++
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}
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}
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// 线
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class Polyline extends PrimitiveCollection {
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constructor(ptArr: Cartesian3[]) {
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super()
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this.add(this.createPoints(ptArr))
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this.add(this.createPolyline(ptArr))
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// this.id
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}
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private createPoints(posArr: Cartesian3[]) {
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const points = new PointPrimitiveCollection()
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for (const pos in posArr) {
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points.add({
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position: pos,
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color: Color.RED,
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pixelSize: 10,
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})
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}
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return points
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}
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private createPolyline(posArr: Cartesian3[]) {
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return new PolylineGeometry({
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positions: posArr,
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width: 2,
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colors: new Array(posArr.length).fill(Color.fromCssColorString('green')),
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})
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}
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}
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export { PointEntity, Polyline, PolylineEntity, PolygonEntity }
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cbwu
zhaipx