WIRING DIAGRAM CREATION DEVICE, WIRING DIAGRAM CREATION METHOD AND WIRING DIAGRAM CREATION PROGRAM
The purpose of the present disclosure is to make it possible to determine owners of cables from a positional relationship between the cables in an off-site equipment model acquired through a mobile mapping system (MMS). The present disclosure acquires cable models serving as solid models of cables extracted from three-dimensional point group data (S 11 ), identifies a positional relationship of the cables from the cable models and determines owners of the cables from the positional relationship in accordance with a determination table defining a vertical relationship of the cables (S 22 ), links information of the owners determined to the solid models, and creates a line diagram by using the cable models to which the information of the owners is linked.
1 . A line diagram creation device comprising:
a model determination unit comprising a computer processor and configured to receive a cable model serving as a solid model of a cable extracted from three-dimensional point group data, identify a positional relationship of the cable from the cable model, determine an owner of the cable from the positional relationship, and link information of the owner determined to the cable model; and
a line diagram creation unit comprising the computer processor and configured to create a line diagram by using the cable model to which the information of the owner is linked by the model determination unit
2 . The line diagram creation device according to claim 1 , wherein
the model determination unit is configured to
calculate a distance in a height direction from an endpoint of the cable model to a reference position determined in advance,
determine the owner of the cable corresponding to the cable model in accordance with a determination table defining the owner in accordance with a vertical relationship between a plurality of the cables and the distance, and
link the information of the owner determined to the cable model.
3 . The line diagram creation device according to claim 2 , wherein
a plurality of the cable models are disposed in an identical span with a common combination of two of the endpoints,
the reference position is a position of an endpoint of a cable model of the plurality of the cable models disposed in the identical span, and
the model determination unit is configured to
calculate the distance by calculating a relative distance between a plurality of the endpoints of the plurality of the cable models in the height direction,
for at least one of the plurality of the cable models with the distance exceeding a first setting value determined in advance, determine the owner of the cable individually in accordance with the determination table, and
link the information of the owner of the cable determined to a corresponding cable model of the at least one cable model exceeding the first setting value.
4 . The line diagram creation device according to claim 2 , wherein
the endpoint of the cable model is connected to a utility pole model serving as a solid model of a utility pole, and the utility pole model is connected to a supporting wire or supporting pole model serving as a solid model of a supporting wire or a supporting pole,
the reference position is a connection position between the supporting wire or supporting pole model and the utility pole model, and
the model determination unit is configured to
calculate a distance in the height direction from the endpoint of the cable model to the connection position,
for at least one cable model of a plurality of the cable models with the distance exceeding a second setting value determined in advance, determine the owner of the cable individually in accordance with the determination table, and
link information of the owner of the cable determined to a corresponding cable model of the at least one cable model exceeding the second setting value.
5 . The line diagram creation device according to claim 1 , wherein
a plurality of the cable models are disposed in an identical span with a common combination of two of the endpoints, and
the model determination unit is configured to
calculate a distance between a plurality of the endpoints of the plurality of the cable models in the height direction, and
when the distance between the endpoint of a cable model of the plurality of the cable models and the endpoint of another cable model of the plurality of the cable models to which the information of an owner is linked is less than or equal to a third setting value determined in advance, link, to the other cable model, an owner identical to the owner linked to the cable model for which the distance between the endpoints is the third setting value or less.
6 . The line diagram creation device according to claim 1 , wherein
the model determination unit is configured to
determine a vertical relationship between lowest points of a plurality of the cable models disposed in an identical span with a common combination of two of the endpoints of the cable model,
determine an owner of a cable disposed at the highest position and an owner of a cable disposed at the lowest position in the identical span,
link the information of the owner of the cable disposed at the highest position to a cable model disposed at the highest position among the plurality of the cable models, and
link the information of the owner of the cable disposed at the lowest position to a cable model disposed at the lowest position among the plurality of the cable models.
7 . A line diagram creation method comprising:
acquiring a cable model serving as a solid model of a cable extracted from three-dimensional point group data;
identifying a positional relationship of the cable from the cable model;
determining an owner of the cable from the positional relationship in accordance with a determination table defining a vertical relationship of a plurality of the cables and the owner;
linking information of the owner determined to the solid model; and
creating a line diagram by using the cable model to which the information of the owner is linked.
8 . A line diagram creation program for causing a computer to operate as a plurality of functional units included in the line diagram creation device according to claim 1 .