272 lines
9.1 KiB
JavaScript
272 lines
9.1 KiB
JavaScript
/**
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* @name: drawCircle
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* @author: Administrator
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* @date: 2022-06-15 14:55
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* @description：drawCircle
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* @update: 2022-06-15 14:55
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*/
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import Draw from './draw'
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import MouseTip from '../MouseTip'
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import MouseEvent from '../Event'
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export default class DrawCircle extends Draw {
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constructor(sdk, options = {}) {
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super(sdk, options)
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}
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start(cb) {
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if (YJ.Measure.GetMeasureStatus()) {
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cb('上一次测量未结束')
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} else {
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super.start()
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let into
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YJ.Measure.SetMeasureStatus(true)
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this.tip = new MouseTip('左键开始，右键取消', this.sdk)
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this.event = new MouseEvent(this.sdk)
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let clickNum = 0
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this.circle_id = this.randomString() //圆id
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let radius_points = []
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let cache_points = []
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let radius = 1 //默认半径
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let positions = []
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let center = {}
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let endpoint = null
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this.event.mouse_left((movement, cartesian) => {
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if(into === '2D') {
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return
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}
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into = '3D'
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this.tip.set_text('再次左键，完成绘制；右键取消')
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clickNum++
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if (clickNum === 1) {
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this.point_id = this.create_point(cartesian)
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center = this.cartesian3Towgs84(cartesian, this.viewer)
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positions = this.createCircle(center, 0.01)
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cache_points.push(cartesian)
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createCirclePolygon()
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}
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if (clickNum === 2) {
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radius_points = cache_points.concat(cartesian)
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endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
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radius = this.computeDistance2([center, endpoint])
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positions = this.createCircle(center, radius)
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this.end()
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cb(null, { center, radius: Number(radius) })
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}
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})
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this.event.mouse_right((movement, cartesian) => {
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if(into === '2D') {
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return
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}
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this.end()
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cb(false)
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})
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this.event.mouse_move((movement, cartesian) => {
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if(into === '2D') {
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return
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}
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this.tip.setPosition(
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cartesian,
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movement.endPosition.x,
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movement.endPosition.y
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)
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if (clickNum) {
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radius_points = cache_points.concat(cartesian)
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endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
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radius = this.computeDistance2([center, endpoint])
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positions = this.createCircle(center, radius)
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}
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})
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this.event.gesture_pinck_start((movement, cartesian) => {
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if(into === '2D') {
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return
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}
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let startTime = new Date()
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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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this.end()
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cb(false)
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}
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else {
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this.tip.set_text('再次左键，完成绘制；右键取消')
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clickNum++
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if (clickNum === 1) {
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this.point_id = this.create_point(cartesian)
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center = this.cartesian3Towgs84(cartesian, this.viewer)
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cache_points.push(cartesian)
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createCirclePolygon()
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this.tip.setPosition(
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cartesian,
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(movement.position1.x + movement.position2.x) / 2,
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(movement.position1.y + movement.position2.y) / 2
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)
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}
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if (clickNum === 2) {
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radius_points = cache_points.concat(cartesian)
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endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
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radius = this.computeDistance2([center, endpoint])
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positions = this.createCircle(center, radius)
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this.end()
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cb(null, { center, radius: Number(radius) })
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}
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}
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})
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})
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if (!this._is2D && this._sdk2D) {
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this.event2D = new MouseEvent(this._sdk2D)
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this.event2D.mouse_left((movement, cartesian) => {
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if(into === '3D') {
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return
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}
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into = '2D'
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this.tip.set_text('再次左键，完成绘制；右键取消')
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clickNum++
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if (clickNum === 1) {
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this.point_id = this.create_point(cartesian, this._sdk2D.viewer)
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center = this.cartesian3Towgs84(cartesian, this.viewer)
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positions = this.createCircle(center, 0.01)
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cache_points.push(cartesian)
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createCirclePolygon(this._sdk2D.viewer)
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}
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if (clickNum === 2) {
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radius_points = cache_points.concat(cartesian)
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endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
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radius = this.computeDistance2([center, endpoint])
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positions = this.createCircle(center, radius)
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this.end()
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cb(null, { center, radius: Number(radius) })
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}
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})
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this.event2D.mouse_right((movement, cartesian) => {
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if(into === '3D') {
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return
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}
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this.end()
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cb(false)
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})
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this.event2D.mouse_move((movement, cartesian) => {
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if(into === '3D') {
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return
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}
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this.tip.setPosition(
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cartesian,
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movement.endPosition.x + this.viewer.canvas.width,
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movement.endPosition.y
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)
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if (clickNum) {
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radius_points = cache_points.concat(cartesian)
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endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
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radius = this.computeDistance2([center, endpoint])
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positions = this.createCircle(center, radius)
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}
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})
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this.event2D.gesture_pinck_start((movement, cartesian) => {
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if(into === '3D') {
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return
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}
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let startTime = new Date()
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this.event2D.gesture_pinck_end(() => {
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let endTime = new Date()
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if (endTime - startTime >= 500) {
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this.end()
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cb(false)
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}
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else {
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this.tip.set_text('再次左键，完成绘制；右键取消')
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clickNum++
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if (clickNum === 1) {
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this.point_id = this.create_point(cartesian, this._sdk2D.viewer)
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center = this.cartesian3Towgs84(cartesian, this.viewer)
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cache_points.push(cartesian)
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createCirclePolygon(this._sdk2D.viewer)
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this.tip.setPosition(
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cartesian,
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((movement.position1.x + movement.position2.x) / 2) + this.viewer.canvas.width,
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(movement.position1.y + movement.position2.y) / 2
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)
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}
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if (clickNum === 2) {
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radius_points = cache_points.concat(cartesian)
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endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
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radius = this.computeDistance2([center, endpoint])
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positions = this.createCircle(center, radius)
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this.end()
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cb(null, { center, radius: Number(radius) })
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}
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}
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})
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})
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}
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let that = this
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function createCirclePolygon(viewer = that.viewer) {
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let a = viewer.entities.add(
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new Cesium.Entity({
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id: that.circle_id,
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position: new Cesium.CallbackProperty((e) => {
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if (endpoint) {
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let c = that.computeMidpoint(center, endpoint)
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return Cesium.Cartesian3.fromDegrees(c.lng, c.lat, endpoint.alt)
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} else {
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return Cesium.Cartesian3()
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}
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}, false),
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label: {
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text: new Cesium.CallbackProperty((e) => {
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if (radius > 1000) {
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return '半径：' + (radius / 1000).toFixed(2) + ' 公里'
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}
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return '半径：' + radius + ' 米'
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}, false),
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font: '20px Microsoft YaHei',
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distanceDisplayCondition: 10000000,
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scale: 1,
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horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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fillColor: Cesium.Color.fromCssColorString('#f5ce0a'),
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style: Cesium.LabelStyle.FILL_AND_OUTLINE
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},
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polygon: {
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classificationType: Cesium.ClassificationType.BOTH,
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hierarchy: new Cesium.CallbackProperty((e) => {
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return new Cesium.PolygonHierarchy(
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Cesium.Cartesian3.fromDegreesArray(positions)
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)
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}, false),
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material: Cesium.Color.fromCssColorString(that.color),
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zIndex: 99999999
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},
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polyline: {
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positions: new Cesium.CallbackProperty((e) => {
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return radius_points
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}, false),
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width: 2,
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material:
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Cesium.Color.fromCssColorString('#c1c505').withAlpha(0.5),
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clampToGround: true,
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zIndex: 99999999
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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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end() {
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this.remove_entity(this.circle_id)
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this.remove_entity(this.point_id)
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YJ.Measure.SetMeasureStatus(false)
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this.tip && this.tip.destroy()
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this.event && this.event.destroy()
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this.event2D && this.event2D.destroy()
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}
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}
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