Network functions

Network functions are used to build and calculate with network topologies like connect or impedance

  • first_node - a point data item with the coordinates of the first point of an arc or polygon
  • last_node - a point data item with the coordinates of the last point of an arc or polygon
  • connect - creates the nearest point on an arc/polygon data item from a point data item or finds the nearest point in a point data item from another point data item. Includes an optional maximum geographic search radius
  • connect_eq - creates the nearest point on an arc/polygon data item from a point data item if the values of two data items match
  • connect_ne - creates the nearest point on an arc/polygon data item from a point data item if the values of two data items do not match
  • connect_neighbour - a relation to the nearest point in the same point data item, not being the point itself
  • connect_info - information for each point on the connection to an arc/polygon data item, as made by the connect function
  • connect_info_eq - information for each point on the connection to an arc/polygon data item, as made by the connect_eq function
  • connect_info_ne - information for each point on the connection to an arc/polygon data item, as made by the connect_ne function
  • dist_info - variant of connect_info to only show the distance between arc/polylgon data item and points
  • connected_parts - the connected (sub)networks that exist in a set of links
  • capacitated_connect - finds the nearest point in a point data item from another point data item with a capacity constraint
  • trace_back - the amount of flow for each link in the network.
  • service_area - the relation to the nearest destination node for each node in the node set.