Cesium3DTileContent
查阅Mars3D API

new Cesium.Cesium3DTileContent()
engine/Source/Scene/Cesium3DTileContent.js 16

The content of a tile in a Cesium3DTileset.

Derived classes of this interface provide access to individual features in the tile. Access derived objects through Cesium3DTile#content.

This type describes an interface and is not intended to be instantiated directly.

成员(属性)

readonly batchTableByteLength : number
engine/Source/Scene/Cesium3DTileContent.js 124

Gets the amount of memory used by the batch table textures and any binary metadata properties not accounted for in geometryByteLength or texturesByteLength

readonly featuresLength : number
engine/Source/Scene/Cesium3DTileContent.js 41

Gets the number of features in the tile.

readonly geometryByteLength : number
engine/Source/Scene/Cesium3DTileContent.js 92

Gets the tile's geometry memory in bytes.

readonly innerContents : Array
engine/Source/Scene/Cesium3DTileContent.js 141

Gets the array of Cesium3DTileContent objects for contents that contain other contents, such as composite tiles. The inner contents may in turn have inner contents, such as a composite tile that contains a composite tile.
参考:

readonly pointsLength : number
engine/Source/Scene/Cesium3DTileContent.js 62

Gets the number of points in the tile.

Only applicable for tiles with Point Cloud content. This is different than Cesium3DTileContent#featuresLength which equals the number of groups of points as distinguished by the BATCH_ID feature table semantic.

参考:

readonly ready : boolean
engine/Source/Scene/Cesium3DTileContent.js 156

Returns true when the tile's content is ready to render; otherwise false

readonly texturesByteLength : number
engine/Source/Scene/Cesium3DTileContent.js 107

Gets the tile's texture memory in bytes.

readonly tile : Cesium3DTile
engine/Source/Scene/Cesium3DTileContent.js 186

Gets the tile containing this content.

readonly tileset : Cesium3DTileset
engine/Source/Scene/Cesium3DTileContent.js 171

Gets the tileset for this tile.

readonly trianglesLength : number
engine/Source/Scene/Cesium3DTileContent.js 77

Gets the number of triangles in the tile.

readonly url : string
engine/Source/Scene/Cesium3DTileContent.js 200

Gets the url of the tile's content.

方法

getFeature(batchId) → Cesium3DTileFeature
engine/Source/Scene/Cesium3DTileContent.js 300

Returns the Cesium3DTileFeature object for the feature with the given batchId. This object is used to get and modify the feature's properties.

Features in a tile are ordered by batchId, an index used to retrieve their metadata from the batch table.

参数名称 类型 描述信息
batchId number The batchId for the feature.
返回值:
The corresponding Cesium3DTileFeature object.
Throws:
参考:

hasProperty(batchId, name) → boolean
engine/Source/Scene/Cesium3DTileContent.js 281

Returns whether the feature has this property.
参数名称 类型 描述信息
batchId number The batchId for the feature.
name string The case-sensitive name of the property.
返回值:
true if the feature has this property; otherwise, false.
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