core/positioning_methods

VocabularyCoreDraft14 terms

How a position was obtained, for a Positioning's method.

Used by Positioning.

  • surveyed

    Surveyed

    Measured on the ground by a surveyor, with a total station or a level, from survey control.

  • gnss

    GNSS

    Measured with a satellite receiver with no correction, such as a phone or a handheld receiver, or with a correction that is not known.

  • gnss_differential

    Differential GNSS

    Measured with a satellite receiver and a code correction from a base station or a satellite service.

  • gnss_rtk

    Kinematic GNSS

    Measured with a satellite receiver and a carrier-phase correction from a base station or a network, in real time or after the survey.

  • gnss_ppp

    Precise point positioning

    Measured with one satellite receiver and precise orbit and clock data.

  • photogrammetry

    Photogrammetry

    Measured from photos that overlap, taken from an aircraft or a drone.

  • lidar

    Lidar

    Measured from a laser scan.

  • digitized

    Digitized

    Traced from a map, a plan or an image.

  • geocoded

    Geocoded

    Found from a civic address by a geocoder.

  • legal_description

    From a legal land description

    Calculated from a legal land description, such as the centre of a legal subdivision.

  • design

    Design

    Taken from a design drawing or a design model. The built object can be in another place.

  • derived

    Derived

    Copied or calculated from another dataset, such as the centre of an area.

  • estimated

    Estimated

    Placed by a person's judgement.

  • unknown

    Unknown

    The method is not known.