Files
sdk4.0/src/Draw/drawPolygon.js
2025-07-03 13:54:01 +08:00

277 lines
8.9 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import MouseTip from '../MouseTip'
import MouseEvent from '../Event'
import Draw from './draw'
/**
* @extends Draw*/
class DrawPolygon extends Draw {
/**
* @constructor
* @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.polygonHasCreated = false
}
static create_polygon(that, viewer = that.viewer) {
that.polygonHasCreated = true
let id = that.randomString()
viewer.entities.add(
new Cesium.Entity({
id: id,
polygon: {
classificationType: Cesium.ClassificationType.BOTH,
hierarchy: new Cesium.CallbackProperty((e) => {
return new Cesium.PolygonHierarchy(that.positions)
}),
material: Cesium.Color.fromCssColorString(that.color),
zIndex: 99999999
},
polyline: {
positions: new Cesium.CallbackProperty((e) => {
return that.positions.concat(that.positions[0])
}),
width: 2,
material: Cesium.Color.fromCssColorString('#c1c505').withAlpha(0.5),
clampToGround: true,
zIndex: 99999999
},
})
)
return id
}
/**
* @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) {
if (YJ.Measure.GetMeasureStatus()) {
cb('上一次测量未结束')
} else {
this.polygonHasCreated = false
super.start()
YJ.Measure.SetMeasureStatus(true)
let into
this.tip = new MouseTip('左键确定右键结束CTRL+右键撤销', this.sdk)
this.event = new MouseEvent(this.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.event.mouse_left((movement, cartesian) => {
if(into === '2D') {
return
}
into = '3D'
this.positions = cache_positions.concat({ ...cartesian })
this.tip.setPosition(
cartesian,
movement.position.x,
movement.position.y
)
if (!this.polygonHasCreated) {
let polyline_id = DrawPolygon.create_polygon(this)
this.points_ids.push(polyline_id)
}
cache_positions.push(cartesian)
// console.log(cache_positions)
cache_84_position.push(this.cartesian3Towgs84(cartesian, this.viewer))
// console.log(this.cartesian3Towgs84(cartesian))
this.points_ids.push(this.create_point(cartesian))
})
this.event.mouse_right((movement, cartesian) => {
if(into === '2D') {
return
}
// let positions = []
// console.log(cache_positions)
// cache_positions.forEach((item) => {
// let p = this.cartesian3Towgs84(item)
// console.log(item)
// positions.push(p)
// })
cb(null, cache_84_position)
this.end()
})
this.event.mouse_move((movement, cartesian) => {
if(into === '2D') {
return
}
this.positions = cache_positions.concat({ ...cartesian })
this.tip.setPosition(
cartesian,
movement.endPosition.x,
movement.endPosition.y
)
})
this.event.mouse_right_keyboard_ctrl((movement, cartesian) => {
if(into === '2D') {
return
}
if (this.points_ids.length > 1) {
this.remove_entity(this.points_ids.pop()) //移除point
cache_positions.pop()
cache_84_position.pop()
}
})
this.event.gesture_pinck_start_keyboard_ctrl(() => {
if(into === '2D') {
return
}
if (this.points_ids.length > 1) {
this.remove_entity(this.points_ids.pop()) //移除point
cache_positions.pop()
cache_84_position.pop()
this.positions = cache_positions.concat(cartesian)
}
})
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) {
cb(null, cache_84_position)
this.end()
}
else {
this.tip.setPosition(
cartesian,
(movement.position1.x + movement.position2.x) / 2,
(movement.position1.y + movement.position2.y) / 2
)
if (!this.polygonHasCreated) {
let polyline_id = DrawPolygon.create_polygon(this)
this.points_ids.push(polyline_id)
}
cache_positions.push(cartesian)
// console.log(cache_positions)
cache_84_position.push(this.cartesian3Towgs84(cartesian, this.viewer))
// console.log(this.cartesian3Towgs84(cartesian))
this.points_ids.push(this.create_point(cartesian))
this.positions = cache_positions.concat(cartesian)
}
})
})
if (!this._is2D && this._sdk2D) {
this.event2D = new MouseEvent(this._sdk2D)
this.event2D.mouse_left((movement, cartesian) => {
if(into === '3D') {
return
}
into = '2D'
this.positions = cache_positions.concat({ ...cartesian })
this.tip.setPosition(
cartesian,
movement.position.x + this.viewer.canvas.width,
movement.position.y
)
if (!this.polygonHasCreated) {
let polyline_id = DrawPolygon.create_polygon(this, this._sdk2D.viewer)
this.points_ids.push(polyline_id)
}
cache_positions.push(cartesian)
// console.log(cache_positions)
cache_84_position.push(this.cartesian3Towgs84(cartesian, this.viewer))
// console.log(this.cartesian3Towgs84(cartesian))
this.points_ids.push(this.create_point(cartesian, this._sdk2D.viewer))
})
this.event2D.mouse_right((movement, cartesian) => {
if(into === '3D') {
return
}
// let positions = []
// console.log(cache_positions)
// cache_positions.forEach((item) => {
// let p = this.cartesian3Towgs84(item)
// console.log(item)
// positions.push(p)
// })
cb(null, cache_84_position)
this.end()
})
this.event2D.mouse_move((movement, cartesian) => {
if(into === '3D') {
return
}
this.positions = cache_positions.concat({ ...cartesian })
this.tip.setPosition(
cartesian,
movement.endPosition.x + this.viewer.canvas.width,
movement.endPosition.y
)
})
this.event2D.mouse_right_keyboard_ctrl((movement, cartesian) => {
if(into === '3D') {
return
}
if (this.points_ids.length > 1) {
this.remove_entity(this.points_ids.pop()) //移除point
cache_positions.pop()
cache_84_position.pop()
}
})
this.event2D.gesture_pinck_start_keyboard_ctrl(() => {
if(into === '3D') {
return
}
if (this.points_ids.length > 1) {
this.remove_entity(this.points_ids.pop()) //移除point
cache_positions.pop()
cache_84_position.pop()
this.positions = cache_positions.concat(cartesian)
}
})
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) {
cb(null, cache_84_position)
this.end()
}
else {
this.tip.setPosition(
cartesian,
((movement.position1.x + movement.position2.x) / 2) + this.viewer.canvas.width,
(movement.position1.y + movement.position2.y) / 2
)
if (!this.polygonHasCreated) {
let polyline_id = DrawPolygon.create_polygon(this, this._sdk2D.viewer)
this.points_ids.push(polyline_id)
}
cache_positions.push(cartesian)
// console.log(cache_positions)
cache_84_position.push(this.cartesian3Towgs84(cartesian, this.viewer))
// console.log(this.cartesian3Towgs84(cartesian))
this.points_ids.push(this.create_point(cartesian, this._sdk2D.viewer))
this.positions = cache_positions.concat(cartesian)
}
})
})
}
}
}
}
export default DrawPolygon