Temporal Network Points

Static Network Types

Input and Output

  • asText, asEWKT: Return the Well-Known Text (WKT) or the Extended Well-Known Text (EWKT) representation

  • asBinary, asEWKB, asHexWKB, asHexEWKB: Return the Well-Known Binary (WKB), the Extended Well-Known Binary (EWKB), the Hexadecimal Well-Known Binary (HexWKB), or the Hexadecimal Extended Well-Known Binary (HexEWKB) representation

  • npointFromText, npointFromEWKT: Input from the Well-Known Text (WKT) or from the Extended Well-Known Text (EWKT) representation

  • npointFromBinary, npointFromEWKB, npointFromHexEWKB: Input from the Well-Known Binary (WKB), from the Extended Well-Known Binary (EWKB), or from the Hexadecimal Extended Well-Known Binary (HexEWKB) representation

Constructors

Conversions

  • ::: Convert between a network point or segment and a geometry

  • stbox: Construct a spatiotemporal box from a network point and, optionally, a timestamp or a period

Accessors

Transformations

  • round: Round the position(s) of the network point or the network segment to the number of decimal places

Spatial Operations

  • SRID: Return the spatial reference identifier

  • same, ~=: Are the two values approximately equal with respect to an epsilon value?

Comparisons

Temporal Network Points

Constructors

Conversions

  • ::: Convert between a temporal network point and a temporal geometry point

MF-JSON Input and Output

Accessors

  • getValues: Return the values

  • routes: Return the road identifiers

  • valueAtTimestamp: Return the value at a timestamp

  • length: Return the length traversed by the temporal network point

  • cumulativeLength: Return the cumulative length traversed by the temporal network point

  • speed: Return the speed of the temporal network point in units per second

Transformations

Modifications

Restrictions

Spatial Operations

Bounding Box Operations

  • ?@, @?, @@, @=: Route operators, which compare the route identifiers a temporal network point visits: contained in, contains, overlaps, and equal

  • &&, <@, @>, ~=, -|-: Topological operators

  • ::: Position operators

Distance Operations

  • |=|: Return the smallest distance ever

  • nearestApproachInstant: Return the instant of the first temporal network point at which the two arguments are at the nearest distance

  • shortestLine: Return the line connecting the nearest approach point between the two arguments

  • <->: Return the temporal distance

Spatiotemporal Relationships

Comparisons

Aggregations

Aggregation

  • extent: Return the spatiotemporal bounding box covering every materialised position in a set of network points