cesium3D建筑物加载和显示

最新推荐文章于 2025-07-14 17:37:06 发布

原创最新推荐文章于 2025-07-14 17:37:06 发布 · 773 阅读

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#3d #javascript #vue.js

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该代码示例展示了如何在Vue应用中利用Cesium库创建一个3D地图，并根据地图缩放显示内容。同时，它实现了切换不同视图的功能，包括添加和移除Cesium3DTileset以及对地形进行分类渲染。文章还涉及到了Cesium的Ion资源管理和Vue组件交互。

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在cesium中显示一个3d地图，根据地图缩放来显示，并可以切换

<template>
    <div>
        <CesiumSelect @select="handleSelect" :modelValue="value" />
        <div id="cesiumContainer"></div>
        <el-button type="primary" @click="onShow()">切换</el-button>
    </div>
</template>
  
<script setup>
import { ref, onMounted } from "vue";
import * as Cesium from "cesium";
import { useRouter } from "vue-router";
import CesiumSelect from "../../components/cesium-select.vue";
const router = useRouter();
const value = ref('cesium-3DLayers');
const handleSelect = (value) => {
    router.push({ name: value });
};
var isShow = true
var viewer = null
var tileset = null
onMounted(() => {
    viewer = new Cesium.Viewer("cesiumContainer", {
        terrainProvider: Cesium.createWorldTerrain(),
    });

    // A normal b3dm tileset containing photogrammetry
    tileset = new Cesium.Cesium3DTileset({
        url: Cesium.IonResource.fromAssetId(40866),
    });
    viewer.scene.primitives.add(tileset);
    viewer.zoomTo(tileset);

    const classificationTilesetUrl =
        "../SampleData/Cesium3DTiles/Classification/Photogrammetry/tileset.json";
    // ''
    // A b3dm tileset used to classify the photogrammetry tileset
    const classificationTileset = new Cesium.Cesium3DTileset({
        url: classificationTilesetUrl,
        classificationType: Cesium.ClassificationType.CESIUM_3D_TILE,
    });
    classificationTileset.style = new Cesium.Cesium3DTileStyle({
        color: "rgba(255, 0, 0, 0.5)",
    });
    viewer.scene.primitives.add(classificationTileset);

    // The same b3dm tileset used for classification, but rendered normally for comparison.
    const nonClassificationTileset = new Cesium.Cesium3DTileset({
        url: classificationTilesetUrl,
        show: false,
    });
    nonClassificationTileset.style = new Cesium.Cesium3DTileStyle({
        color: "rgba(255, 0, 0, 0.5)",
    });
    viewer.scene.primitives.add(nonClassificationTileset);

    // Sandcastle.addToggleButton("Show classification", true, function (
    //     checked
    // ) {
    //     classificationTileset.show = checked;
    //     nonClassificationTileset.show = !checked;
    // });

});
const onShow = (value) => {

    if (isShow) {
        viewer.scene.primitives.remove(tileset);
        isShow = false
    } else {
        tileset = new Cesium.Cesium3DTileset({
            url: Cesium.IonResource.fromAssetId(40866),
        });
        viewer.scene.primitives.add(tileset);
        isShow = true

    }


    // console.log(viewer.scene.primitives, '===');
};
</script>
  
<style scoped>
#cesiumContainer {
    width: 100%;
    height: 100%;
    margin: 0px;
    padding: 0px;
    overflow: hidden;
}
</style>