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dc-sdk
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添加聚合图层

tags/1.0.0
Caven 5 лет назад
Родитель
17fce54e1e
Сommit
79f19c5e46
17 измененных файлов: 441 добавлений и 116 удалений
Разделённый вид Показать статистику Diff
  1. 9
    5
      src/core/DC.js
  2. 3
    2
      src/core/const/index.js
  3. 110
    0
      src/core/layer/DC.ClusterLayer.js
  4. 1
    23
      src/core/layer/DC.GeoJsonLayer.js
  5. 1
    16
      src/core/layer/DC.TilesetLayer.js
  6. 2
    17
      src/core/layer/DC.VectorLayer.js
  7. 55
    7
      src/core/layer/Layer.js
  8. 2
    1
      src/core/layer/index.js
  9. 2
    1
      src/core/overlay/base/DC.Billboard.js
  10. 5
    17
      src/core/overlay/base/DC.Polygon.js
  11. 73
    20
      src/core/overlay/model/DC.Tileset.js
  12. 1
    1
      src/core/position/DC.Position.js
  13. 2
    1
      src/plugins/DC.Pulgins.Loader.js
  14. 1
    1
      src/plugins/DC.Pulgins.js
  15. 160
    0
      src/plugins/overlay/DC.CustomPolygon.js
  16. 7
    0
      src/plugins/overlay/index.js
  17. 7
    4
      src/thirdpart/index.js

+ 9
- 5
src/core/DC.js Просмотреть файл

@@ -2,7 +2,7 @@
* @Author: Caven
* @Date: 2019-12-27 14:29:05
* @Last Modified by: Caven
* @Last Modified time: 2020-01-31 17:17:07
* @Last Modified time: 2020-02-10 10:47:17
*/
;(function() {
let namespace = {}
@@ -12,7 +12,11 @@
Version: '1.0.0',
Config: {}
}

delete window.DC

window.DC = DC

function requireCesium() {
return new Promise((resolve, reject) => {
let Cesium = require('cesium/Cesium')
@@ -22,21 +26,21 @@
}

/**
* 获取 namespace
* namespace
*/
DC.getNamespace = function() {
return namespace
}

/**
* 开始
* start
*/
DC.init = function(callback) {
DC.ready(callback)
}

/**
* 开始
* start
*/
DC.ready = function(callback) {
try {
@@ -45,9 +49,9 @@
require('./DC.Loader')
delete window.Cesium //删除winow下的Cesium
})
initialized = true
}
callback && callback()
initialized = true
} catch (e) {
delete window.Cesium
initialized = false

+ 3
- 2
src/core/const/index.js Просмотреть файл

@@ -2,7 +2,7 @@
* @Author: Caven
* @Date: 2020-01-03 10:09:19
* @Last Modified by: Caven
* @Last Modified time: 2020-02-01 13:52:48
* @Last Modified time: 2020-02-10 11:30:45
*/
import Cesium from '@/namespace'

@@ -28,7 +28,8 @@ DC.LayerType = {
TILESET: 'tileset',
KML: 'kml',
CZML: 'czml',
GEOJSON: 'geojson'
GEOJSON: 'geojson',
CLUSTER: 'cluster'
}

DC.LayerEventType = {

+ 110
- 0
src/core/layer/DC.ClusterLayer.js Просмотреть файл

@@ -0,0 +1,110 @@
/*
* @Author: Caven
* @Date: 2020-02-10 10:05:41
* @Last Modified by: Caven
* @Last Modified time: 2020-02-10 15:11:15
*/
import Cesium from '@/namespace'
import Layer from './Layer'

const DEF_OPT = {
size: 48,
pixelRange: 40,
gradient: {
0.0001: Cesium.Color.BLUE,
0.001: Cesium.Color.GREEN,
0.01: Cesium.Color.ORANGE,
0.1: Cesium.Color.RED
},
fontSize: 14,
fontColor: Cesium.Color.BLACK
}

DC.ClusterLayer = class extends Layer {
constructor(id, options = {}) {
super(id)
this._delegate = new Cesium.CustomDataSource(id)
this._options = {
...DEF_OPT,
...options
}
this._delegate.clustering.enabled = true
this._delegate.clustering.clusterEvent.addEventListener(
this._clusterEventHandler,
this
)
this._cicleCache = {}
this._delegate.clustering.pixelRange = this._options.pixelRange
this._state = DC.LayerState.INITIALIZED
this.type = DC.LayerType.CLUSTER
}

_drawCircle(color) {
let key = color.toCssColorString()
let size = this._options.size
if (!this._cicleCache[key]) {
let canvas = document.createElement('canvas')
canvas.width = size
canvas.height = size
let context2D = canvas.getContext('2d')
context2D.save()
context2D.scale(size / 24, size / 24) //Added to auto-generated code to scale up to desired size.
context2D.fillStyle = color.withAlpha(0.2).toCssColorString() //Modified from auto-generated code.
context2D.beginPath()
context2D.arc(12, 12, 12, 0, 2 * Math.PI)
context2D.closePath()
context2D.fill()
context2D.beginPath()
context2D.arc(12, 12, 9, 0, 2 * Math.PI)
context2D.fillStyle = color.toCssColorString()
context2D.fill()
context2D.closePath()
context2D.restore()
this._cicleCache[key] = canvas.toDataURL()
}
return this._cicleCache[key]
}

_clusterEventHandler(clusteredEntities, cluster) {
cluster.billboard.show = true
cluster.label.font = `bold ${this._options.fontSize}px sans-serif`
cluster.label.fillColor = this._options.fontColor
cluster.label.disableDepthTestDistance = Number.POSITIVE_INFINITY
if (this._delegate.entities.values.length) {
let allCount = this._delegate.entities.values.length || 0
for (let key in this._options.gradient) {
if (clusteredEntities.length >= allCount * key) {
cluster.billboard.image = this._drawCircle(
this._options.gradient[key]
)
cluster.label.show = true
let numLenth = String(clusteredEntities.length + ',').length
cluster.label.pixelOffset = new Cesium.Cartesian2(
-(this._options.size / this._options.fontSize) * (numLenth - 1),
6
)
} else if (clusteredEntities.length <= 1) {
cluster.label.show = false
}
}
}
}

addOverlays(overlays) {
if (Array.isArray(overlays)) {
overlays.forEach(item => {
this.addOverlay(item)
})
}
return this
}

toVectorLayer() {}

clear() {
this._cache = {}
this._delegate.entities.removeAll()
this._state = DC.LayerState.CLEARED
return this
}
}

+ 1
- 23
src/core/layer/DC.GeoJsonLayer.js Просмотреть файл

@@ -2,7 +2,7 @@
* @Author: Caven
* @Date: 2020-01-13 10:13:53
* @Last Modified by: Caven
* @Last Modified time: 2020-02-03 13:44:14
* @Last Modified time: 2020-02-10 11:17:23
*/
import Cesium from '@/namespace'
import Layer from './Layer'
@@ -15,21 +15,6 @@ DC.GeoJsonLayer = class extends Layer {
this.type = DC.LayerType.GEOJSON
}

_addCallback(viewer) {
this._viewer = viewer
this._viewer.delegate.dataSources.add(this._delegate)
this._state = DC.LayerState.ADDED
}

_removeCallback() {
if (this._viewer) {
this._cache = {}
this._delegate.removeAll()
this._viewer.delegate.dataSources.remove(this._delegate)
this._state = DC.LayerState.REMOVED
}
}

_createBillboard(entity) {
if (entity.position && entity.billboard) {
return DC.Billboard.fromEntity(entity)
@@ -60,13 +45,6 @@ DC.GeoJsonLayer = class extends Layer {
}
}

clear() {
this._cache = {}
this._delegate.removeAll()
this._state = DC.LayerState.CLEARED
return this
}

/**
*
*/

+ 1
- 16
src/core/layer/DC.TilesetLayer.js Просмотреть файл

@@ -2,7 +2,7 @@
* @Author: Caven
* @Date: 2020-01-09 09:16:27
* @Last Modified by: Caven
* @Last Modified time: 2020-02-02 14:10:48
* @Last Modified time: 2020-02-10 11:17:13
*/

import Cesium from '@/namespace'
@@ -18,21 +18,6 @@ DC.TilesetLayer = class extends Layer {
this.type = DC.LayerType.TILESET
}

_addCallback(viewer) {
this._viewer = viewer
this._viewer.delegate.scene.primitives.add(this._delegate)
this._state = DC.LayerState.ADDED
}

_removeCallback() {
if (this._viewer) {
this._cache = {}
this._delegate.removeAll()
this._viewer.delegate.scene.primitives.remove(this._delegate)
this._state = DC.LayerState.REMOVED
}
}

clear() {
this._cache = {}
this._delegate.removeAll()

+ 2
- 17
src/core/layer/DC.VectorLayer.js Просмотреть файл

@@ -2,7 +2,7 @@
* @Author: Caven
* @Date: 2020-01-02 16:42:03
* @Last Modified by: Caven
* @Last Modified time: 2020-01-31 15:05:19
* @Last Modified time: 2020-02-11 11:14:53
*/

import Cesium from '@/namespace'
@@ -20,24 +20,9 @@ DC.VectorLayer = class extends Layer {
this.type = DC.LayerType.VECTOR
}

_addCallback(viewer) {
this._viewer = viewer
this._viewer.delegate.dataSources.add(this._delegate)
this._state = DC.LayerState.ADDED
}

_removeCallback() {
if (this._viewer) {
this._cache = {}
this._delegate.removeAll()
this._viewer.delegate.dataSources.remove(this._delegate)
this._state = DC.LayerState.REMOVED
}
}

clear() {
this._cache = {}
this._delegate.removeAll()
this._delegate.entities.removeAll()
this._state = DC.LayerState.CLEARED
return this
}

+ 55
- 7
src/core/layer/Layer.js Просмотреть файл

@@ -2,8 +2,9 @@
* @Author: Caven
* @Date: 2020-01-03 09:38:21
* @Last Modified by: Caven
* @Last Modified time: 2020-02-02 14:18:15
* @Last Modified time: 2020-02-11 11:15:30
*/
import Cesium from '@/namespace'
import LayerEvent from '../event/LayerEvent'

class Layer {
@@ -18,8 +19,16 @@ class Layer {
this._layerEvent = new LayerEvent()
this._layerEvent.on(DC.LayerEventType.ADD, this._addCallback, this)
this._layerEvent.on(DC.LayerEventType.REMOVE, this._removeCallback, this)
this._layerEvent.on(DC.LayerEventType.ADD_OVERLAY, this._addOverlayCallback, this)
this._layerEvent.on(DC.LayerEventType.REMOVE_OVERLAY, this._removeOverlayCallback, this)
this._layerEvent.on(
DC.LayerEventType.ADD_OVERLAY,
this._addOverlayCallback,
this
)
this._layerEvent.on(
DC.LayerEventType.REMOVE_OVERLAY,
this._removeOverlayCallback,
this
)
this.type = undefined
}

@@ -63,13 +72,41 @@ class Layer {
* subclasses need to be overridden
*/

_addCallback(veiwer) {}
_addCallback(viewer) {
this._viewer = viewer
if (this._delegate && this._delegate instanceof Cesium.CustomDataSource) {
this._viewer.delegate.dataSources.add(this._delegate)
this._state = DC.LayerState.ADDED
} else if (
this._delegate &&
this._delegate instanceof Cesium.PrimitiveCollection
) {
this._viewer.delegate.scene.primitives.add(this._delegate)
this._state = DC.LayerState.ADDED
}
}

/**
* the layer removed callback function
* subclasses need to be overridden
*/
_removeCallback() {}
_removeCallback() {
if (this._viewer) {
this._cache = {}
if (this._delegate && this._delegate instanceof Cesium.CustomDataSource) {
this._delegate.entities.removeAll()
this._viewer.delegate.dataSources.remove(this._delegate)
this._state = DC.LayerState.REMOVED
} else if (
this._delegate &&
this._delegate instanceof Cesium.PrimitiveCollection
) {
this._delegate.removeAll()
this._viewer.delegate.scene.primitives.remove(this._delegate)
this._state = DC.LayerState.REMOVED
}
}
}

/**
*
@@ -77,7 +114,11 @@ class Layer {
* the layer add overlay callback function
*/
_addOverlayCallback(overlay) {
if (overlay && overlay.overlayEvent && overlay.state !== DC.OverlayState.ADDED) {
if (
overlay &&
overlay.overlayEvent &&
overlay.state !== DC.OverlayState.ADDED
) {
overlay.overlayEvent.fire(DC.OverlayEventType.ADD, this)
this._cache[overlay.id] = overlay
}
@@ -89,7 +130,11 @@ class Layer {
* the layer remove overlay callback function
*/
_removeOverlayCallback(overlay) {
if (overlay && overlay.overlayEvent && overlay.state !== DC.OverlayState.REMOVED) {
if (
overlay &&
overlay.overlayEvent &&
overlay.state !== DC.OverlayState.REMOVED
) {
overlay.overlayEvent.fire(DC.OverlayEventType.REMOVE, this)
delete this._cache[overlay.id]
}
@@ -127,6 +172,9 @@ class Layer {
return this
}

/**
*
*/
clear() {}

/**

+ 2
- 1
src/core/layer/index.js Просмотреть файл

@@ -2,8 +2,9 @@
* @Author: Caven
* @Date: 2020-01-03 11:06:26
* @Last Modified by: Caven
* @Last Modified time: 2020-01-31 15:05:24
* @Last Modified time: 2020-02-10 12:33:54
*/
import './DC.VectorLayer'
import './DC.TilesetLayer'
import './DC.GeoJsonLayer'
import './DC.ClusterLayer'

+ 2
- 1
src/core/overlay/base/DC.Billboard.js Просмотреть файл

@@ -2,7 +2,7 @@
* @Author: Caven
* @Date: 2020-01-19 10:18:23
* @Last Modified by: Caven
* @Last Modified time: 2020-02-01 18:31:04
* @Last Modified time: 2020-02-10 12:41:11
*/

import Cesium from '@/namespace'
@@ -14,6 +14,7 @@ DC.Billboard = class extends Overlay {
throw new Error('the position invalid')
}
super()

this._position = position
this._icon = icon
this._size = [32, 32]

+ 5
- 17
src/core/overlay/base/DC.Polygon.js Просмотреть файл

@@ -2,7 +2,7 @@
* @Author: Caven
* @Date: 2020-01-09 09:10:37
* @Last Modified by: Caven
* @Last Modified time: 2020-02-04 15:24:43
* @Last Modified time: 2020-02-06 20:29:32
*/
import Overlay from '../Overlay'
import Cesium from '@/namespace'
@@ -101,6 +101,9 @@ DC.Polygon = class extends Overlay {
return result
}

/**
* prepare entity
*/
_prepareDelegate() {
/**
* initialize the Overlay parameter
@@ -115,20 +118,6 @@ DC.Polygon = class extends Overlay {
this._delegate.overlayId = this._id
}

_addCallback(layer) {
this._layer = layer
this._prepareDelegate()
this._layer.delegate.entities.add(this._delegate)
this._state = DC.OverlayState.ADDED
}

_removeCallback() {
if (this._layer) {
this._layer.delegate.entities.remove(this._delegate)
this._state = DC.OverlayState.REMOVED
}
}

/**
*
* @param {*} extrudedHeight
@@ -153,7 +142,7 @@ DC.Polygon = class extends Overlay {
this._delegate.polygon.extrudedHeight = new Cesium.CallbackProperty(
time => {
let result = 0
if (DC.JulianDate.greaterThan(stopTime, time)) {
if (Cesium.JulianDate.greaterThan(stopTime, time)) {
result =
oriValue +
(duration - Cesium.JulianDate.secondsDifference(stopTime, time)) *
@@ -180,6 +169,5 @@ DC.Polygon = class extends Overlay {
this._delegate.polygon && this._delegate.polygon.merge(style)
return this
}

static fromEntity(entity) {}
}

+ 73
- 20
src/core/overlay/model/DC.Tileset.js Просмотреть файл

@@ -2,7 +2,7 @@
* @Author: Caven
* @Date: 2020-01-07 08:51:56
* @Last Modified by: Caven
* @Last Modified time: 2020-02-03 13:41:06
* @Last Modified time: 2020-02-06 16:28:52
*/
import Cesium from '@/namespace'
import Overlay from '../Overlay'
@@ -16,7 +16,11 @@ DC.Tileset = class extends Overlay {
})
this._state = DC.OverlayState.INITIALIZED
this._delegate.tileVisible.addEventListener(this._tileVisibleHandler, this)
this._propertyMap = undefined
this._height = undefined
this._properties = undefined
this._stopTime = undefined
this._duration = undefined
this._center = undefined
}

/**
@@ -55,6 +59,15 @@ DC.Tileset = class extends Overlay {
* @param {*} tile
*/
_tileVisibleHandler(tile) {
this._updateProperties(tile)
this._updateHeight(tile)
}

/**
*
* @param {*} tile
*/
_updateProperties(tile) {
if (this._properties && this._properties.length) {
let content = tile.content
for (let i = 0; i < content.featuresLength; i++) {
@@ -70,6 +83,51 @@ DC.Tileset = class extends Overlay {
}
}
}
/**
*
* @param {*} height
*/
_updateHeight(tile) {
if (this._duration) {
let rate = this._height / this._duration
let now = Cesium.JulianDate.now()
if (
this._stopTime &&
Cesium.JulianDate.greaterThan(this._stopTime, now)
) {
this._setHeight(
(this._duration -
Cesium.JulianDate.secondsDifference(this._stopTime, now)) *
rate
)
}
}
}

/**
*
* @param {*} height
*/
_setHeight(height) {
this._delegate.readyPromise.then(tileset => {
let surface = Cesium.Cartesian3.fromRadians(
this._center.longitude,
this._center.latitude,
this._center.height
)
let offset = Cesium.Cartesian3.fromRadians(
this._center.longitude,
this._center.latitude,
this._center.height + height
)
let translation = Cesium.Cartesian3.subtract(
offset,
surface,
new Cesium.Cartesian3()
)
tileset.modelMatrix = Cesium.Matrix4.fromTranslation(translation)
})
}

/**
*
@@ -96,27 +154,22 @@ DC.Tileset = class extends Overlay {
*
* @param {*} height
*/
setHeight(height) {
setHeight(height, duration) {
this._height = height
this._delegate.readyPromise.then(tileset => {
let cartographic = Cesium.Cartographic.fromCartesian(
this._center = Cesium.Cartographic.fromCartesian(
tileset.boundingSphere.center
)
let surface = Cesium.Cartesian3.fromRadians(
cartographic.longitude,
cartographic.latitude,
cartographic.height
)
let offset = Cesium.Cartesian3.fromRadians(
cartographic.longitude,
cartographic.latitude,
cartographic.height + height
)
let translation = Cesium.Cartesian3.subtract(
offset,
surface,
new Cesium.Cartesian3()
)
tileset.modelMatrix = Cesium.Matrix4.fromTranslation(translation)
if (duration) {
this._duration = duration
this._stopTime = Cesium.JulianDate.addSeconds(
Cesium.JulianDate.now(),
duration,
new Cesium.JulianDate()
)
} else {
this._setHeight(this._height)
}
})
return this
}

+ 1
- 1
src/core/position/DC.Position.js Просмотреть файл

@@ -2,7 +2,7 @@
* @Author: Caven
* @Date: 2019-12-27 14:35:02
* @Last Modified by: Caven
* @Last Modified time: 2020-02-03 14:37:45
* @Last Modified time: 2020-02-10 12:11:36
*/

DC.Position = class {

+ 2
- 1
src/plugins/DC.Pulgins.Loader.js Просмотреть файл

@@ -2,8 +2,9 @@
* @Author: Caven
* @Date: 2020-01-14 18:24:57
* @Last Modified by: Caven
* @Last Modified time: 2020-01-31 17:48:44
* @Last Modified time: 2020-02-06 19:40:32
*/
import './animation/DC.GlobeRotate'
import './roaming/DC.Roaming'
import './plot/DC.Plot'
import './overlay'

+ 1
- 1
src/plugins/DC.Pulgins.js Просмотреть файл

@@ -2,7 +2,7 @@
* @Author: Caven
* @Date: 2020-01-14 18:22:10
* @Last Modified by: Caven
* @Last Modified time: 2020-01-31 15:09:47
* @Last Modified time: 2020-02-04 19:03:08
*/
;(function() {
let initialized = false

+ 160
- 0
src/plugins/overlay/DC.CustomPolygon.js Просмотреть файл

@@ -0,0 +1,160 @@
/*
* @Author: Caven
* @Date: 2020-02-06 13:11:58
* @Last Modified by: Caven
* @Last Modified time: 2020-02-06 20:46:58
*/
import Cesium from '@/namespace'
import '../../core/overlay/base/DC.Polygon'

DC.CustomPolygon = class extends DC.Polygon {
constructor(positions) {
super(positions)
this._topOutline = undefined
this._bottomOutline = undefined
this._topOutline = new Cesium.Entity({
polyline: {
positions: this._computePolylinePositions(0)
},
show: false
})
this._bottomOutline = new Cesium.Entity({
polyline: {
positions: this._computePolylinePositions(0)
},
show: false
})
}

set show(show) {
this._show = show
this._delegate && (this._delegate.show = show)
this._topOutline && (this._topOutline.show = show)
this._bottomOutline && (this._bottomOutline = show)
}

get show() {
return this._show
}

/**
*
* @param {*} height
*/
_computePolylinePositions(height) {
let positions = this._positions.slice(0)
positions.push(positions[0])
positions.forEach(item => {
item.alt = height
})
return DC.T.transformWSG84ArrayToCartesianArray(positions)
}

/**
*
* @param {*} layer
*/
_addCallback(layer) {
this._layer = layer
this._prepareDelegate()
if (this._layer && this._layer.delegate && this._layer.delegate.entities) {
this._layer.delegate.entities.add(this._delegate)
this._layer.delegate.entities.add(this._topOutline)
this._layer.delegate.entities.add(this._bottomOutline)
this._state = DC.OverlayState.ADDED
}
}

/**
*
*/
_removeCallback() {
if (this._layer && this._layer.delegate && this._layer.delegate.entities) {
this._layer.delegate.entities.remove(this._delegate)
this._layer.delegate.entities.remove(this._topOutline)
this._layer.delegate.entities.remove(this._bottomOutline)
this._state = DC.OverlayState.REMOVED
}
}

/**
*
* @param {*} extrudedHeight
* @param {*} duration
*/
setExtrudedHeight(extrudedHeight, duration) {
if (this._delegate.polygon) {
let now = Cesium.JulianDate.now()
let oriValue = this._delegate.polygon.extrudedHeight
? this._delegate.polygon.extrudedHeight.getValue(now)
: 0
let rate = 0
let stopTime = now
if (duration) {
rate = (extrudedHeight - oriValue) / duration
stopTime = DC.JulianDate.addSeconds(
now,
duration,
new Cesium.JulianDate()
)
}
this._delegate.polygon.extrudedHeight = new Cesium.CallbackProperty(
time => {
let result = 0
if (Cesium.JulianDate.greaterThan(stopTime, time)) {
result =
oriValue +
(duration - Cesium.JulianDate.secondsDifference(stopTime, time)) *
rate
} else {
result = extrudedHeight
}
return result
}
)
if (this._topOutline && this._topOutline.show) {
this._topOutline.polyline.positions = new Cesium.CallbackProperty(
time => {
let result = []
if (Cesium.JulianDate.greaterThan(stopTime, time)) {
result = this._computePolylinePositions(
oriValue +
(duration -
Cesium.JulianDate.secondsDifference(stopTime, time)) *
rate
)
} else {
result = this._computePolylinePositions(extrudedHeight)
}
return result
}
)
}
}
return this
}

/**
*
* @param {*} lineStyle
*/
setTopOutline(lineStyle) {
if (this._topOutline) {
this._topOutline.show = true
this._topOutline.polyline.merge(lineStyle)
}
return this
}

/**
*
* @param {*} lineStyle
*/
setBottomOutline(lineStyle) {
if (this._bottomOutline) {
this._bottomOutline.show = true
this._bottomOutline.polyline.merge(lineStyle)
}
return this
}
}

+ 7
- 0
src/plugins/overlay/index.js Просмотреть файл

@@ -0,0 +1,7 @@
/*
* @Author: Caven
* @Date: 2020-02-06 19:40:43
* @Last Modified by: Caven
* @Last Modified time: 2020-02-06 19:41:38
*/
import './DC.CustomPolygon'

+ 7
- 4
src/thirdpart/index.js Просмотреть файл

@@ -2,19 +2,22 @@
* @Author: Caven
* @Date: 2019-12-30 09:35:51
* @Last Modified by: Caven
* @Last Modified time: 2020-02-04 14:21:26
* @Last Modified time: 2020-02-06 20:46:21
*/
import Cesium from '@/namespace'

DC.Color = Cesium.Color

DC.Cartesian2 = Cesium.Cartesian2
DC.Cartesian3 = Cesium.Cartesian3
DC.Cartesian4 = Cesium.Cartesian4

DC.TilesetStyle = Cesium.Cesium3DTileStyle
DC.SceneMode = Cesium.SceneMode

DC.SceneMode = Cesium.SceneMode
DC.CallbackProperty = Cesium.CallbackProperty
DC.JulianDate = Cesium.JulianDate

DC.Math = Cesium.Math

DC.PolylineDashMaterialProperty = Cesium.PolylineDashMaterialProperty
DC.PolylineGlowMaterialProperty = Cesium.PolylineGlowMaterialProperty
DC.PolylineOutlineMaterialProperty = Cesium.PolylineOutlineMaterialProperty

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