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2025-03-26 4d16cee35c0cdf2c505d00a2a85364a0a09bcbae

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/*
 * @Author: GuLiMmo 2820890765@qq.com
 * @Date: 2024-05-11 09:18:29
 * @LastEditors: GuLiMmo 2820890765@qq.com
 * @LastEditTime: 2024-05-11 09:20:27
 * @FilePath: /bigScreen/src/utils/cesium/webMercatorTilingScheme/index.js
 * @Description: 高德地图纠偏
 * Copyright (c) 2024 by GuLiMmo, All Rights Reserved.
 */
import {
    WebMercatorProjection,
    WebMercatorTilingScheme,
    Math,
    Cartographic,
    Cartesian2,
} from 'cesium';
import CoordTransform from './CoordTransform';
 
class AmapMercatorTilingScheme extends WebMercatorTilingScheme {
    constructor() {
        super();
 
        let projection = new WebMercatorProjection();
 
        this._projection.project = function (cartographic, result) {
            result = CoordTransform.WGS84ToGCJ02(
                Math.toDegrees(cartographic.longitude),
                Math.toDegrees(cartographic.latitude),
            );
            result = projection.project(
                new Cartographic(
                    Math.toRadians(result[0]),
                    Math.toRadians(result[1]),
                ),
            );
            return new Cartesian2(result.x, result.y);
        };
 
        this._projection.unproject = function (cartesian, result) {
            let cartographic = projection.unproject(cartesian);
            result = CoordTransform.GCJ02ToWGS84(
                Math.toDegrees(cartographic.longitude),
                Math.toDegrees(cartographic.latitude),
            );
            return new Cartographic(
                Math.toRadians(result[0]),
                Math.toRadians(result[1]),
            );
        };
    }
}
 
export default AmapMercatorTilingScheme;