pgr_createTopology创建网络失败。。

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Name

pgr_createTopology — Builds a network topology based on the geometry information.

https://docs.pgrouting.org/2.0/en/src/common/doc/functions/create_topology.html

FAIL when the network topology was not built due to an error:
- A required column of the Network table is not found or is not of the appropriate type.
- The condition is not well formed.
- The names of source , target or id are the same.
- The SRID of the geometry could not be determined.

失败的原因有以下几种：

Unexpected error Geometry has Z dimension but column does not

https://blog.csdn.net/wywywywywywy123456/article/details/84997049

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