mirror of
https://github.com/jiawanlong/Cesium-Examples.git
synced 2025-11-04 01:04:17 +00:00
107 lines
3.1 KiB
JavaScript
107 lines
3.1 KiB
JavaScript
/*
|
|
* @FilePath: LayerTileImage.js
|
|
* @Author: chenqian
|
|
* @Date: 2022-08-22 16:17:39
|
|
* @LastEditors: cheniqan
|
|
* @LastEditTime: 2022-09-29 13:31:58
|
|
* @Descripttion:
|
|
*/
|
|
// Url瓦片图层
|
|
import Base from '../AbsLayerObj'
|
|
import DataModule from './DataTileImage'
|
|
// import * as window.MEarthX from "window.MEarthX";
|
|
|
|
class LayerTileImage extends Base {
|
|
constructor(config) {
|
|
super(config)
|
|
this.belong = 'window.MEarthX'
|
|
this.dataModule = new DataModule()
|
|
this.layer = null
|
|
}
|
|
|
|
async load(options = {}) {
|
|
this.data = await this.dataModule.request(options)
|
|
this.emit('data', options)
|
|
return this
|
|
}
|
|
|
|
draw(option) {
|
|
this.option = option
|
|
this.data = option.data || this.data
|
|
this.loadLayer(option)
|
|
}
|
|
|
|
loadLayer(option) {
|
|
let cfg = this.data
|
|
let options = {
|
|
url: cfg.url,
|
|
minimumLevel: cfg.minimumLevel || 0,
|
|
maximumLevel: cfg.maximumLevel || 18
|
|
// rectangle: window.MEarthX.Rectangle.MAX_VALUE
|
|
}
|
|
if (cfg.assess_token) options.url += `&assess_token=${cfg.assess_token}`
|
|
let tilingScheme = new window.MEarthX.WebMercatorTilingScheme()
|
|
if (cfg.epsg == '3857')
|
|
tilingScheme = new window.MEarthX.WebMercatorTilingScheme()
|
|
if (cfg.epsg == '4326')
|
|
tilingScheme = new window.MEarthX.GeographicTilingScheme()
|
|
if (cfg.epsg && cfg.epsg != '3857' && cfg.epsg != '4326')
|
|
return console.log('epsg目前仅支持3857、4326')
|
|
options.tilingScheme = tilingScheme
|
|
if (cfg.bbox)
|
|
options.rectangle = window.MEarthX.Rectangle.fromDegrees(
|
|
cfg.bbox[0],
|
|
cfg.bbox[1],
|
|
cfg.bbox[2],
|
|
cfg.bbox[3]
|
|
)
|
|
if (cfg.customTags) options.customTags = cfg.customTags
|
|
if (cfg.pickFeaturesUrl) options.pickFeaturesUrl = cfg.pickFeaturesUrl
|
|
if (cfg.urlSchemeZeroPadding)
|
|
options.urlSchemeZeroPadding = cfg.urlSchemeZeroPadding
|
|
if (cfg.subdomains) options.subdomains = cfg.subdomains
|
|
if (cfg.ellipsoid) options.ellipsoid = cfg.ellipsoid
|
|
if (cfg.tileWidth) options.tileWidth = cfg.tileWidth
|
|
if (cfg.tileHeight) options.tileHeight = cfg.tileHeight
|
|
if (cfg.getFeatureInfoFormats)
|
|
options.getFeatureInfoFormats = cfg.getFeatureInfoFormats
|
|
if (cfg.enablePickFeatures)
|
|
options.enablePickFeatures = cfg.enablePickFeatures
|
|
let index = option.zIndex ? option.zIndex : undefined
|
|
|
|
let provider = new window.MEarthX.UrlTemplateImageryProvider(options)
|
|
this.layer = this.map.imageryLayers.addImageryProvider(provider, index)
|
|
|
|
// 透明化设置
|
|
if (option.colorToAlpha) {
|
|
const color = option.colorToAlpha
|
|
this.layer.colorToAlpha = new window.MEarthX.Color(
|
|
color[0],
|
|
color[1],
|
|
color[2]
|
|
)
|
|
}
|
|
if (option.colorToAlphaThreshold) {
|
|
this.layer.colorToAlphaThreshold = option
|
|
}
|
|
}
|
|
|
|
clean() {
|
|
if (this.layer) this.map.imageryLayers.remove(this.layer)
|
|
this.layer = null
|
|
}
|
|
|
|
location() {
|
|
// flyTo({
|
|
// heading: 359.0159758112535,
|
|
// pitch: -88.176016630067,
|
|
// roll: 0,
|
|
// x: 114.27327678602491,
|
|
// y: 30.136565522213047,
|
|
// z: 5318709.379593507
|
|
// }, this.map)
|
|
}
|
|
}
|
|
|
|
export default LayerTileImage
|