wzy-warehouse
39 lines
1.2 KiB
TypeScript
39 lines
1.2 KiB
TypeScript
import { createApp } from 'vue';
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import { createPinia } from 'pinia';
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import App from './App.vue';
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import router from './router';
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import * as ElementPlusIconsVue from '@element-plus/icons-vue';
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import 'element-plus/dist/index.css';
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import proj4 from 'proj4';
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import { Cartesian3, GeoJsonDataSource } from 'cesium';
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const app = createApp(App);
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for (const [key, component] of Object.entries(ElementPlusIconsVue)) {
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app.component(key, component);
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}
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app.use(createPinia());
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app.use(router);
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app.mount('#app');
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// 定义 EPSG:4490 (CGCS2000)
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proj4.defs('EPSG:4490', '+proj=longlat +ellps=GRS80 +no_defs +type=crs');
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// 定义 EPSG:4326 (WGS84)
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proj4.defs('EPSG:4326', '+proj=longlat +datum=WGS84 +no_defs +type=crs');
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// 坐标转换函数
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const transformFunc = proj4('EPSG:4490', 'EPSG:4326').forward;
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// 将坐标转换函数注册给Cesium，让它能自动处理所有标记为EPSG:4490的坐标数据
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GeoJsonDataSource.crsNames['EPSG:4490'] = function (coordinates: number[]) {
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const [x, y] = coordinates;
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// 使用 proj4 进行坐标转换
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const [lon, lat] = transformFunc([x, y]);
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// 返回 Cesium 能识别的笛卡尔坐标
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return Cartesian3.fromDegrees(lon, lat);
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};
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