I3SDataProvider

查阅Mars3D API

成员(属性)

方法

返回值:

使用示例s:

try {
  const i3sData = await I3SDataProvider.fromUrl(
    "https://tiles.arcgis.com/tiles/z2tnIkrLQ2BRzr6P/arcgis/rest/services/Frankfurt2017_vi3s_18/SceneServer/layers/0"
  );
  viewer.scene.primitives.add(i3sData);
} catch (error) {
  console.log(`There was an error creating the I3S Data Provider: ${error}`);
}

try {
  const geoidService = await Cesium.ArcGISTiledElevationTerrainProvider.fromUrl(
    "https://tiles.arcgis.com/tiles/z2tnIkrLQ2BRzr6P/arcgis/rest/services/EGM2008/ImageServer"
  );
  const i3sData = await I3SDataProvider.fromUrl(
    "https://tiles.arcgis.com/tiles/z2tnIkrLQ2BRzr6P/arcgis/rest/services/Frankfurt2017_vi3s_18/SceneServer/layers/0", {
      geoidTiledTerrainProvider: geoidService
  });
  viewer.scene.primitives.add(i3sData);
} catch (error) {
  console.log(`There was an error creating the I3S Data Provider: ${error}`);
}

Throws:

• DeveloperError : This object was destroyed, i.e., destroy() was called.

参考:

• I3SDataProvider#isDestroyed

返回值:

返回值:

返回值:

返回值:

参考:

• I3SDataProvider#destroy

定义的类型

属性:

属性名称	类型	可选	默认值	描述信息
name	string	<可选>		The name of the I3S dataset.
show	boolean	<可选>	true	Determines if the dataset will be shown.
geoidTiledTerrainProvider	ArcGISTiledElevationTerrainProvider | Promise.<ArcGISTiledElevationTerrainProvider>	<可选>		Tiled elevation provider describing an Earth Gravitational Model. If defined, geometry will be shifted based on the offsets given by this provider. Required to position I3S data sets with gravity-related height at the correct location.
cesium3dTilesetOptions	Cesium3DTileset.ConstructorOptions	<可选>		Object containing options to pass to an internally created Cesium3DTileset. See Cesium3DTileset for list of valid properties. All options can be used with the exception of url and show which are overridden by values from I3SDataProvider.
showFeatures	boolean	<可选>	false	Determines if the features will be shown.
adjustMaterialAlphaMode	boolean	<可选>	false	The option to adjust the alpha mode of the material based on the transparency of the vertex color. When true, the alpha mode of the material (if not defined) will be set to BLEND for geometry with any transparency in the color vertex attribute.
applySymbology	boolean	<可选>	false	Determines if the I3S symbology will be parsed and applied for the layers.
calculateNormals	boolean	<可选>	false	Determines if the flat normals will be generated for I3S geometry without normals.

使用示例s:

// Increase LOD by reducing SSE
const cesium3dTilesetOptions = {
  maximumScreenSpaceError: 1,
};
const i3sOptions = {
  cesium3dTilesetOptions: cesium3dTilesetOptions,
};

// Set a custom outline color to replace the color defined in I3S symbology
const cesium3dTilesetOptions = {
  outlineColor: Cesium.Color.BLUE,
};
const i3sOptions = {
  cesium3dTilesetOptions: cesium3dTilesetOptions,
  applySymbology: true,
};