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@ -2,7 +2,7 @@
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* @Author: cbwu 504-wuchengbo@htsdfp.com
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* @Date: 2024-03-27 11:06:45
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* @LastEditors: cbwu
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* @LastEditTime: 2024-04-22 16:49:15
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* @LastEditTime: 2024-04-24 16:52:23
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* @Description: 编辑几何体类。操作逻辑
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*/
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import {
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@ -20,10 +20,17 @@ import {
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PolylineDashMaterialProperty,
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Color,
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Cartographic,
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Cartesian2,
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Ellipsoid,
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} from 'cesium'
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import { cartesian2ToCartesian3 } from '@/utils/map/coordinate'
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import { getClosestPoint, isOnLineSegment } from '@/utils/map/geocomputation'
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import {
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getClosestPoint,
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isOnLineSegment,
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getElevation,
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} from '@/utils/map/geocomputation'
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import { PointEntity } from '@/utils/map/geometry/pointEntity'
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import { setMouseStyle, MouseType } from '@/utils/map/mouseStyle'
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export default class EditGeometry {
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viewer: Viewer
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editHandler: ScreenSpaceEventHandler
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@ -34,14 +41,21 @@ export default class EditGeometry {
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groundPointsID: string[] = [] //地表控制点ID数组
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groundDashLineID: string[] = [] //垂直辅助线ID数组
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groundDashLinesPosition: Cartesian3[][] = [] //垂直辅助线坐标数组
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heightPoint: PointEntity | null = null //高度控制点
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groundPoint: PointEntity | null = null //地表控制点
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controlPoint: PointEntity | null = null //控制点
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// groundPoint: PointEntity | null = null //地表控制点
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clickedGeometry: Entity | null = null
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clickDownPosition: Cartesian3 | null = null
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clickScreenPosition: Cartesian2 | null = null
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startHeightPointPosition: Cartesian3 | null = null //记录高度时的初始坐标值
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firstClickScreenPosition: Cartesian2 | null = null //记录第一次单击的位置
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heightScale: number = 1 //高度调节比例
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moveSelectedPoint: PointEntity | null = null
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bDrag: boolean = false //拖动标识
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bLongClick: boolean = false //长按标识
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bDoubleClick: boolean = false //双击标识
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nClick: number = 0 //单击次数
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clickTimeout: any
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doubleClickTimeout: any
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constructor(viewer: Viewer, editGeometry: Entity) {
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this.viewer = viewer
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@ -55,8 +69,8 @@ export default class EditGeometry {
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this.positions.forEach((value, index) => {
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this.createPoint(value, index)
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//地表点
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const groundPosition = this.calculateGroundPosition(value)
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this.createGroundPoint(value, index)
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const groundPosition = this.modifyPositionZ(value)
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this.createGroundPoint(groundPosition, index)
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//垂直辅助线
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const ptArr = [value, groundPosition]
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this.groundDashLinesPosition[index] = ptArr
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@ -76,25 +90,12 @@ export default class EditGeometry {
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this.leftUpClickCallBack,
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ScreenSpaceEventType.LEFT_UP,
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)
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this.editHandler.setInputAction(
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this.leftDoubleClickCallBack,
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ScreenSpaceEventType.LEFT_DOUBLE_CLICK,
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)
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}
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//左键点击回调
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private leftClickCallBack = (
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event: ScreenSpaceEventHandler.PositionedEvent,
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) => {
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const pickedObject = this.viewer.scene.pick(event.position)
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// 点中控制点
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if (
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defined(pickedObject) &&
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defined(pickedObject.id) &&
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pickedObject.id.point instanceof PointGraphics
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) {
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console.log('You clicked a point entity.')
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this.controlPoint = pickedObject.id
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console.log(this.controlPoint?.subId)
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this.bDrag = true
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this.forbidDrawWorld(true)
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}
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}
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//左键按下回调
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private leftDownClickCallBack = (
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event: ScreenSpaceEventHandler.PositionedEvent,
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@ -111,29 +112,25 @@ export default class EditGeometry {
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// 记录点击的几何对象及位置
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this.clickedGeometry = pickedObject.id
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this.clickDownPosition = this.viewer.scene.pickPosition(event.position)
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// // 判断是否同一实体
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// if (this.geometry != pickedObject.id) {
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// this.geometry = pickedObject.id
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// if (
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// pickedObject instanceof PolylineGraphics &&
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// pickedObject.positions
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// ) {
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// this.oldPositions = this.geometry!.polyline!.positions?.getValue(
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// this.viewer.clock.currentTime,
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// )
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// }
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// }
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this.clickScreenPosition = event.position
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// 点中控制点
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if (pickedObject.id.point instanceof PointGraphics) {
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console.log('You clicked a point entity.')
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if (pickedObject.id.point.type === 0) {
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console.log('You clicked a HeightPoint entity.')
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this.heightPoint = pickedObject.id
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} else if (pickedObject.id.point.type === 1) {
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console.log('You clicked a GroundPoint entity.')
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this.groundPoint = pickedObject.id
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}
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// console.log(this.heightPoint?.subId)
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// console.log('You clicked a point entity.')
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this.controlPoint = pickedObject.id
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//记录初始坐标，用于高度调节
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this.startHeightPointPosition =
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this.positions[pickedObject.id.subId].clone()
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//计算高度缩放比例
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this.heightScale = this.getHeightPerPixel(this.startHeightPointPosition)
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// console.log(this.controlPoint)
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// if (pickedObject.id.type === 0) {
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// console.log('You clicked a HeightPoint entity.')
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// // this.controlPoint = pickedObject.id
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// } else if (pickedObject.id.type === 1) {
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// console.log('You clicked a GroundPoint entity.')
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// // this.groundPoint = pickedObject.id
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// }
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this.bDrag = true
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this.forbidDrawWorld(true)
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}
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@ -142,43 +139,29 @@ export default class EditGeometry {
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//移动回调
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private moveCallBack = (event: ScreenSpaceEventHandler.MotionEvent) => {
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const pickedObject = this.viewer.scene.pick(event.endPosition)
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// 悬停控制点放大
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if (
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pickedObject &&
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pickedObject.id &&
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pickedObject.id.point instanceof PointGraphics
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) {
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if (pickedObject.id.point instanceof PointGraphics) {
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if (
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this.moveSelectedPoint == null ||
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this.moveSelectedPoint.id !== pickedObject.id.id
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) {
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this.moveSelectedPoint = pickedObject.id
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this.moveSelectedPoint!.point!.pixelSize = new ConstantProperty(
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this.moveSelectedPoint!.options.pixelSize! + 1,
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)
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// console.log(this.moveSelectedPoint)
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}
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this.viewer.scene.requestRender() //刷新
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}
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} else {
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// 离开控制点恢复原始大小
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if (this.moveSelectedPoint) {
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this.moveSelectedPoint!.point!.pixelSize = new ConstantProperty(
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this.moveSelectedPoint!.options.pixelSize! - 1,
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)
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this.moveSelectedPoint = null
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this.viewer.scene.requestRender() //刷新
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}
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}
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// 出发不同编辑内容修改鼠标形状
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this.changeSelectedStyle(pickedObject)
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if (!this.heightPoint || !this.bDrag) return
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console.log('************************left down')
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if (!this.controlPoint || !this.bDrag) return
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// console.log('************************left down')
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const cartesian3 = cartesian2ToCartesian3(this.viewer, event.endPosition)
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if (cartesian3) {
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// 修改节点坐标
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this.modifyPoint(cartesian3, this.heightPoint.subId)
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// this.geometry?.modifyPoint(cartesian3, this.controlPoint.subId)
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//地表点
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if (this.controlPoint.type === 1) {
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// 修改节点xy坐标
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this.modifyPoint(cartesian3, this.controlPoint.subId)
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} else if (this.controlPoint.type === 0) {
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//计算屏幕y坐标偏移量
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const altValue = this.clickScreenPosition!.y - event.endPosition.y
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// console.log('************moveYValue:' + altValue.toString())
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//调节高度
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this.modifyAltitude(
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this.startHeightPointPosition!,
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altValue * this.heightScale,
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this.controlPoint.subId,
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)
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}
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this.viewer.scene.requestRender() //刷新
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}
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}
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@ -187,12 +170,26 @@ export default class EditGeometry {
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event: ScreenSpaceEventHandler.PositionedEvent,
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) => {
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clearTimeout(this.clickTimeout)
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// 单击控制点结束
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if (
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!this.bLongClick &&
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this.clickedGeometry?.point instanceof PointGraphics
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) {
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if (this.nClick === 0) this.firstClickScreenPosition = event.position
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//记录单击次数
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this.nClick++
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//200ms内没有再次单击，次数清0
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this.doubleClickTimeout = setTimeout(() => {
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this.nClick = 0
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}, 200)
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}
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// 单击添加点
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if (
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!this.bLongClick &&
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this.clickedGeometry?.polyline instanceof PolylineGraphics
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) {
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console.log('点中线，加点')
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// console.log('点中线，加点')
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this.addPoint()
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}
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this.bLongClick = false
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@ -203,7 +200,17 @@ export default class EditGeometry {
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private leftDoubleClickCallBack = (
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event: ScreenSpaceEventHandler.PositionedEvent,
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) => {
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// this.geometry.
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// console.log('***********Double Clicked!')
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//双击移除点
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if (
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this.nClick === 2 &&
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Cartesian2.distance(this.firstClickScreenPosition!, event.position) <= 3
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) {
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// console.log('***********双击移除点!')
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//移除点
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this.removePoint(this.controlPoint!.subId)
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this.viewer.scene.requestRender() //刷新
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}
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}
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// Viewer操作控制
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forbidDrawWorld(isForbid: boolean) {
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@ -229,37 +236,120 @@ export default class EditGeometry {
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this.clickDownPosition!,
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)
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this.positions.splice(i + 1, 0, pt)
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// 新建控制点
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// 新建节点控制点
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this.createPoint(pt, i + 1)
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// 修改控制点的subid
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// 新建地表控制点
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const groundPos = this.modifyPositionZ(pt) //计算地表点坐标
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this.createGroundPoint(groundPos, i + 1)
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// 修改控制点的subid（往后移）
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for (let index = i + 2; index < this.controlPointsID.length; ++index) {
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//节点控制点
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const point = this.geometry.entityCollection.getById(
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this.controlPointsID[index],
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) as PointEntity
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point!.subId = point!.subId + 1
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//地表控制点
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const groundPoint = this.geometry.entityCollection.getById(
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this.groundPointsID[index],
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) as PointEntity
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groundPoint!.subId = groundPoint!.subId + 1
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}
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// 新建垂直辅助线
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const ptArr = [pt, groundPos]
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this.groundDashLinesPosition.splice(i + 1, 0, ptArr)
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this.createGroundDashLine(this.groundDashLinesPosition[i + 1], i + 1)
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return
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}
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}
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}
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/**
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* 删除一个节点
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* @param index 移除点号
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*/
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removePoint(index: number) {
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this.positions.splice(index, 1)
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//移除辅助实体
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this.geometry.entityCollection.removeById(this.controlPointsID[index])
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this.geometry.entityCollection.removeById(this.groundPointsID[index])
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this.geometry.entityCollection.removeById(this.groundDashLineID[index])
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//删除实体ID记录
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this.controlPointsID.splice(index, 1)
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this.groundPointsID.splice(index, 1)
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this.groundDashLineID.splice(index, 1)
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this.groundDashLinesPosition.splice(index, 1)
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//修改控制点号
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for (let i = index; i < this.controlPointsID.length; ++i) {
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//节点控制点
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const point = this.geometry.entityCollection.getById(
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this.controlPointsID[i],
|
|
|
|
|
) as PointEntity
|
|
|
|
|
point!.subId = point!.subId - 1
|
|
|
|
|
//地表控制点
|
|
|
|
|
const groundPoint = this.geometry.entityCollection.getById(
|
|
|
|
|
this.groundPointsID[i],
|
|
|
|
|
) as PointEntity
|
|
|
|
|
groundPoint!.subId = groundPoint!.subId - 1
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 修改某点的坐标
|
|
|
|
|
* @param pos 修改点的坐标
|
|
|
|
|
* @param index 修改点的位置
|
|
|
|
|
*/
|
|
|
|
|
modifyPoint(pos: Cartesian3, index: number) {
|
|
|
|
|
//计算新坐标
|
|
|
|
|
const newHeightPos = this.calculateHeightPosition(
|
|
|
|
|
this.positions[index],
|
|
|
|
|
pos,
|
|
|
|
|
)
|
|
|
|
|
// 修改线坐标
|
|
|
|
|
this.positions.splice(index, 1, pos)
|
|
|
|
|
// 修改控制点坐标
|
|
|
|
|
this.heightPoint!.position = new ConstantPositionProperty(pos)
|
|
|
|
|
this.positions.splice(index, 1, newHeightPos)
|
|
|
|
|
// 修改高度控制点坐标
|
|
|
|
|
const heightPt = this.geometry.entityCollection.getById(
|
|
|
|
|
this.controlPointsID[index],
|
|
|
|
|
)
|
|
|
|
|
heightPt!.position = new ConstantPositionProperty(newHeightPos)
|
|
|
|
|
// 修改地表控制点坐标
|
|
|
|
|
const groundPt = this.geometry.entityCollection.getById(
|
|
|
|
|
this.groundPointsID[index],
|
|
|
|
|
)
|
|
|
|
|
groundPt!.position = new ConstantPositionProperty(pos)
|
|
|
|
|
//修改垂直辅助线坐标
|
|
|
|
|
this.groundDashLinesPosition[index][0] = newHeightPos
|
|
|
|
|
this.groundDashLinesPosition[index][1] = pos
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 新加一个节点
|
|
|
|
|
* 调节航点高度
|
|
|
|
|
* @param oldPosition 修改前的笛卡尔坐标
|
|
|
|
|
* @param increaseAltitude 高度增量
|
|
|
|
|
* @param index 要修改的点号
|
|
|
|
|
*/
|
|
|
|
|
modifyAltitude(
|
|
|
|
|
oldPosition: Cartesian3,
|
|
|
|
|
increaseAltitude: number,
|
|
|
|
|
index: number,
|
|
|
|
|
) {
|
|
|
|
|
const heightPos = this.modifyPositionZ(oldPosition, increaseAltitude)
|
|
|
|
|
this.positions.splice(index, 1, heightPos)
|
|
|
|
|
this.groundDashLinesPosition[index][0] = heightPos
|
|
|
|
|
const heightPt = this.geometry.entityCollection.getById(
|
|
|
|
|
this.controlPointsID[index],
|
|
|
|
|
)
|
|
|
|
|
heightPt!.position = new ConstantPositionProperty(heightPos)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 创建一个节点
|
|
|
|
|
* @param pos 点的坐标
|
|
|
|
|
* @param index 插入的位置,0起步
|
|
|
|
|
*/
|
|
|
|
|
createPoint(pos: Cartesian3, index: number) {
|
|
|
|
|
// if (this.geometry) {
|
|
|
|
|
// 高度控制点
|
|
|
|
|
const point = new PointEntity(pos)
|
|
|
|
|
point.parent = this.geometry
|
|
|
|
|
point.subId = index
|
|
|
|
|
@ -267,8 +357,9 @@ export default class EditGeometry {
|
|
|
|
|
this.controlPointsID.splice(index, 0, point.id)
|
|
|
|
|
// }
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 新加一个地表控制点
|
|
|
|
|
* 创建一个地表控制点
|
|
|
|
|
* @param pos 点的坐标
|
|
|
|
|
* @param index 插入的位置,0起步
|
|
|
|
|
*/
|
|
|
|
|
@ -301,14 +392,99 @@ export default class EditGeometry {
|
|
|
|
|
this.groundDashLineID.splice(index, 0, vDashLine.id)
|
|
|
|
|
this.geometry.entityCollection.add(vDashLine)
|
|
|
|
|
}
|
|
|
|
|
//获取地表坐标
|
|
|
|
|
calculateGroundPosition(pos: Cartesian3) {
|
|
|
|
|
/**
|
|
|
|
|
* 获取更改高度值的坐标
|
|
|
|
|
* @param pos 要修改高度的笛卡尔坐标
|
|
|
|
|
* @param increaseAltitude 可选高度增量值，未选择则默认地表
|
|
|
|
|
* @returns 修改后的坐标
|
|
|
|
|
*/
|
|
|
|
|
modifyPositionZ(pos: Cartesian3, increaseAltitude?: number) {
|
|
|
|
|
// 输入的当前点的笛卡尔坐标
|
|
|
|
|
const cartographic = Cartographic.fromCartesian(pos)
|
|
|
|
|
// 经度、纬度不变，将地面高度加上需要上升的距离, 假设垂直升高1000米
|
|
|
|
|
cartographic.height -= cartographic.height
|
|
|
|
|
// 经度、纬度不变，将地面高度加上需要上升的距离
|
|
|
|
|
if (increaseAltitude != undefined) {
|
|
|
|
|
cartographic.height += increaseAltitude
|
|
|
|
|
} else {
|
|
|
|
|
const height = getElevation(this.viewer, pos)
|
|
|
|
|
cartographic.height = height
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 最后使用Cesium.Cartographic.toCartesian将刚才得到的Cartographic对象转换为笛卡尔坐标
|
|
|
|
|
return Cartographic.toCartesian(cartographic)
|
|
|
|
|
}
|
|
|
|
|
/**
|
|
|
|
|
* 获取移动后的高度坐标
|
|
|
|
|
* @param heightPos 要修改xy的笛卡尔坐标
|
|
|
|
|
* @param groundPos 目标位置的笛卡尔坐标
|
|
|
|
|
* @returns 修改xy位置的新坐标
|
|
|
|
|
*/
|
|
|
|
|
calculateHeightPosition(heightPos: Cartesian3, groundPos: Cartesian3) {
|
|
|
|
|
const groundCartographic = Cartographic.fromCartesian(groundPos)
|
|
|
|
|
const heightCartographic = Cartographic.fromCartesian(heightPos)
|
|
|
|
|
return Cartesian3.fromRadians(
|
|
|
|
|
groundCartographic.longitude,
|
|
|
|
|
groundCartographic.latitude,
|
|
|
|
|
heightCartographic.height,
|
|
|
|
|
)
|
|
|
|
|
}
|
|
|
|
|
/**
|
|
|
|
|
* 修改高度
|
|
|
|
|
* @param heightPos 要修改高度的坐标
|
|
|
|
|
* @param addAltValue 高度增量值
|
|
|
|
|
* @returns 返回修改高度后的坐标
|
|
|
|
|
*/
|
|
|
|
|
calculateHeightPositionZ(heightPos: Cartesian3, addAltValue: number) {
|
|
|
|
|
const heightCartographic = Cartographic.fromCartesian(heightPos)
|
|
|
|
|
heightCartographic.height += addAltValue
|
|
|
|
|
return Cartographic.toCartesian(heightCartographic)
|
|
|
|
|
}
|
|
|
|
|
// 计算一像素对应的高度（有待优化）
|
|
|
|
|
getHeightPerPixel(pos: Cartesian3) {
|
|
|
|
|
const screenPos0 = this.viewer.scene.cartesianToCanvasCoordinates(pos)
|
|
|
|
|
const screenPos1 = this.viewer.scene.cartesianToCanvasCoordinates(
|
|
|
|
|
this.modifyPositionZ(pos, 1),
|
|
|
|
|
)
|
|
|
|
|
const heightDifference = 1 / Math.abs(screenPos0.y - screenPos1.y)
|
|
|
|
|
// console.log('*****像素高度：' + heightDifference.toString())
|
|
|
|
|
return heightDifference
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//设置移动靠近编辑实体对象的样式变化
|
|
|
|
|
changeSelectedStyle(pickedObject: any) {
|
|
|
|
|
// console.log(pickedObject)
|
|
|
|
|
if (pickedObject && pickedObject.id) {
|
|
|
|
|
if (pickedObject.id.point instanceof PointGraphics) {
|
|
|
|
|
if (
|
|
|
|
|
this.moveSelectedPoint == null ||
|
|
|
|
|
this.moveSelectedPoint.id !== pickedObject.id.id
|
|
|
|
|
) {
|
|
|
|
|
this.moveSelectedPoint = pickedObject.id as PointEntity
|
|
|
|
|
this.moveSelectedPoint!.point!.pixelSize = new ConstantProperty(
|
|
|
|
|
this.moveSelectedPoint!.options.pixelSize! + 1,
|
|
|
|
|
)
|
|
|
|
|
// console.log('**************Selected Point')
|
|
|
|
|
//设置鼠标形状
|
|
|
|
|
if (this.moveSelectedPoint.type === 0) {
|
|
|
|
|
setMouseStyle(this.viewer, MouseType.NSMove)
|
|
|
|
|
} else if (this.moveSelectedPoint.type === 1) {
|
|
|
|
|
setMouseStyle(this.viewer, MouseType.Move)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
} else if (pickedObject.id.polyline instanceof PolylineGraphics) {
|
|
|
|
|
setMouseStyle(this.viewer, MouseType.AddPoint)
|
|
|
|
|
}
|
|
|
|
|
this.viewer.scene.requestRender() //刷新
|
|
|
|
|
} else {
|
|
|
|
|
// 离开控制点恢复原始大小
|
|
|
|
|
if (this.moveSelectedPoint) {
|
|
|
|
|
this.moveSelectedPoint.point!.pixelSize = new ConstantProperty(
|
|
|
|
|
this.moveSelectedPoint!.options.pixelSize! - 1,
|
|
|
|
|
)
|
|
|
|
|
//设置鼠标形状
|
|
|
|
|
setMouseStyle(this.viewer, MouseType.Default)
|
|
|
|
|
this.moveSelectedPoint = null
|
|
|
|
|
this.viewer.scene.requestRender() //刷新
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
