Files
sdk4.0_new/src/Draw/drawStraightArrow.js
2025-09-01 16:17:11 +08:00

263 lines
8.4 KiB
JavaScript

import MouseTip from '../MouseTip'
import MouseEvent from '../Event'
import Draw from './draw'
const transformCartesianToWGS84 = cartesian => {
let ellipsoid = Cesium.Ellipsoid.WGS84
let cartographic = ellipsoid.cartesianToCartographic(cartesian)
const x = Cesium.Math.toDegrees(cartographic.longitude)
const y = Cesium.Math.toDegrees(cartographic.latitude)
const z = cartographic.height
return { x, y, z }
}
/**
* @extends Draw*/
class DrawStraightArrow extends Draw {
/**
* @constructor
* @param sdk
* @param [options] {object} 面属性
* @param [options.color=rgba(185,14,14,0.58)] {object} 线属性
* */
constructor(sdk, options = {}) {
super(sdk, options)
this.points = null
this.polygonHasCreated = false
}
static polygon(that, viewer = that.viewer) {
let id = that.randomString()
return viewer.entities.add(
new Cesium.Entity({
name: 'ArrowPolygon',
id,
polygon: {
hierarchy: new Cesium.CallbackProperty(e => {
let arr = that.computeStraightArrow(that.positions)
for (let i = 0; i < arr.length; i++) {
if (isNaN(arr[i].x)) {
arr = []
break
}
}
return new Cesium.PolygonHierarchy(arr)
}, false),
material: Cesium.Color.fromCssColorString(that.color),
outline: true,
outlineColor: Cesium.Color.GREEN,
zIndex: 99999999
}
})
)
}
/**
* @desc 开始动态绘制面
* @method start
* @param cb {function} 回调函数
* @memberOf DrawPolygon
* @example draw.start((err,positions)=>{
*
* })
* */
start(cb) {
let that = this
// eslint-disable-next-line no-undef
if (YJ.Measure.GetMeasureStatus()) {
cb('上一次测量未结束')
} else {
super.start()
// eslint-disable-next-line no-undef
let into
YJ.Measure.SetMeasureStatus(true)
this.tip = new MouseTip('左键确定,右键取消;', that.sdk)
this.event = new MouseEvent(that.sdk)
this.positions = []
this.points_ids = [] //存放左键点击时临时添加的point的id
let cache_positions = []
let cache_84_position = []
this.anchorpoints = []
this.event.mouse_left((movement, cartesian) => {
if(into === '2D') {
return
}
into = '3D'
if (!cartesian || this.anchorpoints[0]===cartesian) return
this.anchorpoints.push(cartesian)
let p = this.cartesian3Towgs84(cartesian, this.viewer)
p.lng = Number(p.lng.toFixed(8))
p.lat = Number(p.lat.toFixed(8))
if(cache_positions[0] && (p.lng === cache_positions[0].lng && p.lat === cache_positions[0].lat)) return;
cache_positions.push(p)
this.positions.push(p)
// console.log(this.cartesian3Towgs84(cartesian))
this.points_ids.push(this.create_point(cartesian))
if (this.points_ids.length === 2) {
let array = [cache_positions[0], cache_positions[1]]
cb(null, array)
this.end()
}
})
this.event.mouse_move((movement, cartesian) => {
if(into === '2D') {
return
}
this.tip.setPosition(
cartesian,
movement.endPosition.x,
movement.endPosition.y
)
if (!cartesian || this.points_ids.length === 0) {
return
}
let p = this.cartesian3Towgs84(cartesian, this.viewer)
this.positions = [this.positions[0], p];
if (this.points_ids.length === 1 && !Cesium.defined(this.arrowPolygon)) {
this.arrowPolygon = DrawStraightArrow.polygon(this)
}
})
this.event.mouse_right((movement, cartesian) => {
if(into === '2D') {
return
}
cb(null)
this.end()
})
this.event.gesture_pinck_start((movement, cartesian) => {
if(into === '2D') {
return
}
let startTime = new Date()
this.event.gesture_pinck_end(() => {
let endTime = new Date()
if (endTime - startTime >= 500) {
this.end()
cb(false)
}
else {
if (this.anchorpoints.length === 2) {
this.anchorpoints.push(cartesian)
cb(null, this.positions)
this.end()
}
else {
if (!cartesian || Cesium.defined(this.arrowPolygon)) return
this.tip.setPosition(
cartesian,
(movement.position1.x + movement.position2.x) / 2,
(movement.position1.y + movement.position2.y) / 2
)
this.anchorpoints.push(cartesian)
this.arrowPolygon = DrawStraightArrow.polygon(this)
cache_positions.push(this.cartesian3Towgs84(cartesian))
// console.log(this.cartesian3Towgs84(cartesian))
this.points_ids.push(this.create_point(cartesian))
}
}
})
})
if (!this._is2D && this._sdk2D) {
this.event2D = new MouseEvent(this._sdk2D)
this.event2D.mouse_left((movement, cartesian) => {
if(into === '3D') {
return
}
into = '2D'
if (!cartesian || this.anchorpoints[0]===cartesian) return
this.anchorpoints.push(cartesian)
let p = this.cartesian3Towgs84(cartesian, this.viewer)
p.lng = Number(p.lng.toFixed(8))
p.lat = Number(p.lat.toFixed(8))
if(cache_positions[0] && (p.lng === cache_positions[0].lng && p.lat === cache_positions[0].lat)) return;
cache_positions.push(p)
this.positions.push(p)
// console.log(this.cartesian3Towgs84(cartesian))
this.points_ids.push(this.create_point(cartesian, this._sdk2D.viewer))
if (this.points_ids.length === 2) {
let array = [cache_positions[0], cache_positions[1]]
cb(null, array)
this.end()
}
})
this.event2D.mouse_move((movement, cartesian) => {
if(into === '3D') {
return
}
this.tip.setPosition(
cartesian,
movement.endPosition.x + this.viewer.canvas.width,
movement.endPosition.y
)
if (!cartesian || this.points_ids.length === 0) {
return
}
let p = this.cartesian3Towgs84(cartesian, this.viewer)
this.positions = [this.positions[0], p];
if (this.points_ids.length === 1 && !Cesium.defined(this.arrowPolygon)) {
this.arrowPolygon = DrawStraightArrow.polygon(this, this._sdk2D.viewer)
}
})
this.event2D.mouse_right((movement, cartesian) => {
if(into === '3D') {
return
}
cb(null)
this.end()
})
this.event2D.gesture_pinck_start((movement, cartesian) => {
if(into === '3D') {
return
}
let startTime = new Date()
this.event2D.gesture_pinck_end(() => {
let endTime = new Date()
if (endTime - startTime >= 500) {
this.end()
cb(false)
}
else {
if (this.anchorpoints.length === 2) {
this.anchorpoints.push(cartesian)
cb(null, this.positions)
this.end()
}
else {
if (!cartesian || Cesium.defined(this.arrowPolygon)) return
this.tip.setPosition(
cartesian,
(movement.position1.x + movement.position2.x) / 2 + this.viewer.canvas.width,
(movement.position1.y + movement.position2.y) / 2
)
this.anchorpoints.push(cartesian)
this.arrowPolygon = DrawStraightArrow.polygon(this, this._sdk2D.viewer)
cache_positions.push(this.cartesian3Towgs84(cartesian))
// console.log(this.cartesian3Towgs84(cartesian))
this.points_ids.push(this.create_point(cartesian, this._sdk2D.viewer))
}
}
})
})
}
}
}
end() {
super.end();
this.viewer.entities.remove(this.arrowPolygon)
if (!this._is2D && this._sdk2D) {
this._sdk2D.viewer.entities.remove(this.arrowPolygon)
}
}
}
export default DrawStraightArrow