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Coincident features

Coincident features are two points that have the same x-, y-, and z-coordinates but no geometric coincidence connectivity. Some point features can be coincident, and others cannot. Point features that cannot be coincident can have the same x- and y-coordinates but have different z-coordinates, for example, a fuse placed on a pole just above a transformer.

Any of the three following cases will generate errors when the network topology is validated or enabled because the points cannot be coincident. In an electrical network, for example, it would be impossible to have two transformers in the same location on a pole. Point features that cannot be coincident and will generate error features when the network topology is enabled or validated are as follows:

  • Feature from the Junction class coincident with another feature from the Junction class
  • Feature from the Junction class coincident with a feature from the Device class
  • Feature from the Device class coincident with another feature from the Device class

The cases that follow will not generate errors because they are allowed to be coincident. In an electrical network, for example, a transformer and a transformer bank are in the same location, where the transformer is inside of the transformer bank. Point features that can be coincident and will not generate error features are as follows:

  • Feature from the Junction class coincident with a feature from the Structure class
  • Feature from the Junction class coincident with a feature from the Assembly class
  • Feature from the Device class coincident with a feature from the Structure class
  • Feature from the Device class coincident with a feature from the Assembly class
  • Feature from the Structure class coincident with another feature from the Structure class
  • Feature from the Structure class coincident with a feature from the Assembly class
  • Feature from the Assembly class coincident with another feature from the Assembly class

Valid geometric coincidence