属性

数据类型ID

必须?Optional

Codes (17)

• ABAbove
• BLBelow
• BOBack Of
• EOEast Of
• FOFront Of
• INIntersection
• LOLeft Of
• NENortheast of
• NLNot Located in the Vicinity
• NONorth Of
• NWNorthwest of
• RORight Of
• SESoutheast of
• SOSouth Of
• SWSouthwest of
• WOWest Of
• ZZMutually Defined