// Create Cesium World Terrain with default settings var viewer = new Cesium.Viewer('cesiumContainer', { terrainProvider: Cesium.createWorldTerrain() });
// Create Cesium World Terrain with water and normals. var viewer = new Cesium.Viewer('cesiumContainer', { terrainProvider : Cesium.createWorldTerrain({ requestWaterMask : true, requestVertexNormals : true }); });
或
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var viewer = new Cesium.Viewer('cesiumContainer',{ terrainProvider : new Cesium.CesiumTerrainProvider({ url: Cesium.IonResource.fromAssetId(1) }) });