电梯

Senfi里的电梯代表着现实世界中的物理电梯。电梯是Senfi中的专用传感器，可能包含一个或多个测量值。

必须在测量中创建lsid标签，并将其标记为必需标签。

Lift in 3D model represents by lift shaft (blue color box) and lift car (green dot)

Lobby

Lobby represents the lift lobby in the real world. Lobby may contain one or more lifts.

Stop

Stops are levels that the lift can travel. Stops starts from 1 and begins from the lowest to the highest serving level.

For example: Lift A in below image is serving from level 2 of Blk A, so stop 1 of the Lift A is Level 2.

Lifts are associated with lobby and lift's stops may within one or more blocks of the same building.

For example: Lift A in below image is serving levels within Blk A but Lift C is serving from level 1 of Blk B to level 5 of blk C.

Lift relation with BBL

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