apoc.algo.aStarWithPoint

过程 Apoc 扩展

等同于 apoc.algo.aStar（存在于 APOC Core 中），但接受 Point 类型作为 pointProperty，而不是接受纬度和经度属性作为 Number 类型

签名

apoc.algo.aStarWithPoint(startNode :: NODE, endNode :: NODE, relationshipTypesAndDirections :: STRING, weightPropertyName :: STRING, pointPropertyName :: STRING) :: (path :: PATH?, weight :: FLOAT?, totalCost :: FLOAT?, nodes :: LIST<NODE>, relationships :: LIST<RELATIONSHIP>)

输入参数

名称	类型	默认
startNode	NODE	null
endNode	NODE	null
relationshipTypesAndDirections	STRING	null
weightPropertyName	STRING	null
pointPropertyName	STRING	null

名称

类型

默认

startNode

NODE

null

endNode

NODE

null

relationshipTypesAndDirections

STRING

null

weightPropertyName

STRING

null

pointPropertyName

STRING

null

输出参数

名称	类型
path	PATH?
weight	FLOAT?
totalCost	FLOAT?
节点	LIST<NODE>
relationships	LIST<RELATIONSHIP>

名称

类型

path

PATH?

weight

FLOAT?

totalCost

FLOAT?

节点

LIST<NODE>

relationships

LIST<RELATIONSHIP>

用法示例

MATCH (from:City {name:'München'}), (to:City {name:'Hamburg'})
CALL apoc.algo.aStarWithPoint(from, to, 'DIRECT', 'dist', 'coords') yield path, weight
RETURN path, weight

表 1. 结果
weight	path
697430.0	(:City {name: "München",lon: 11.5755,lat: 48.1374,coords: point({srid:4979, x:11.5755, y:48.1374, z:1})})←[:DIRECT {dist: 304280.0}]-(:City {name: "Frankfurt",lon: 8.68333,lat: 50.1167,coords: point({srid:4979, x:8.68333, y:50.1167, z:1})})-[:DIRECT {dist: 393150.0}]→(:City {name: "Hamburg",lon: 9.994583,lat: 53.554423,coords: point({srid:4979, x:9.994583, y:53.554423, z:1})})