//按mars3d规范，将CesiumVectorTile封装下
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// import * as mars3d from "mars3d"
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;(function (window) {
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class WeiVectorTileLayer extends mars3d.layer.BaseTileLayer {
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//构建ImageryProvider
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async _createImageryProvider(options) {
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return createImageryProvider(options)
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}
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}
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async function createImageryProvider(options) {
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let provider = new CesiumVectorTile.VectorTileImageryProvider(options) //CesiumVectorTile.js中
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await provider.readyPromise
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return provider
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}
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WeiVectorTileLayer.createImageryProvider = createImageryProvider
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//注册下
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const layerType = "weiVectorTile" //图层类型
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mars3d.LayerUtil.register(layerType, WeiVectorTileLayer)
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mars3d.LayerUtil.registerImageryProvider(layerType, createImageryProvider)
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//对外接口
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mars3d.layer.WeiVectorTileLayer = WeiVectorTileLayer
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})(window)
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// export { WeiVectorTileLayer }
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