Class: Cesium3DTile

Cesium3DTile

new Cesium3DTile(tileset, baseResource, header, parent)

A tile in a Cesium3DTileset. When a tile is first created, its content is not loaded; the content is loaded on-demand when needed based on the view.

Do not construct this directly, instead access tiles through Cesium3DTileset#tileVisible.

Name Type Description
tileset Cesium3DTileset

The tileset
baseResource Resource

The base resource for the tileset
header object

The JSON header for the tile
parent Cesium3DTile

The parent tile of the new tile

Members

readonly boundingSphereBoundingSphere

Get the bounding sphere derived from the tile's bounding volume.

readonly childrenArray.<Cesium3DTile>

Gets the tile's children.

readonly computedTransformMatrix4

The final computed transform of this tile.

readonly contentCesium3DTileContent

The tile's content. This represents the actual tile's payload, not the content's metadata in the tileset JSON file.

expireDateJulianDate

The date when the content expires and new content is requested.

expireDurationnumber

The time in seconds after the tile's content is ready when the content expires and new content is requested.

readonly extrasobject

Returns the extras property in the tileset JSON for this tile, which contains application specific metadata. Returns undefined if extras does not exist.

readonly geometricErrornumber

The error, in meters, introduced if this tile is rendered and its children are not. This is used to compute screen space error, i.e., the error measured in pixels.

i3sNodestring

获取瓦片的 I3S 节点。

readonly parentCesium3DTile

This tile's parent or undefined if this tile is the root.

When a tile's content points to an external tileset JSON file, the external tileset's root tile's parent is not undefined; instead, the parent references the tile (with its content pointing to an external tileset JSON file) as if the two tilesets were merged.

readonly tilesetCesium3DTileset

The tileset containing this tile.

transformMatrix4

The local transform of this tile.