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api:dk11:delphi:giscssystems.tgis_cscoordinatesystem.distance_tgis_point_tgis_point

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TGIS_CSCoordinateSystem.Distance method

DK11 for Delphi | GisCsSystems.TGIS_CSCoordinateSystem.Distance | Constructors | Fields | Methods | Properties

Calculates ellipsoidal distance (expressed in meters) based on current Coordinate System.

Available also on: .NET | Java | ActiveX.

Syntax

// Delphi
public
  function Distance(
    const _from : TGIS_Point;
    const _to : TGIS_Point
  ) : Double;
// C++ Builder
public:
  double Distance(
    TGIS_Point* const _from,
    TGIS_Point* const _to
  );

Parameters

Name Type Description
_from TGIS_Point first coordinate
_to TGIS_Point first coordinate

Result

Type Description
Double distance value or -1 if distance can not be computed

Remarks

Coordinates must be in same Coordinate System. For calculations between different Coordinate System see: DistanceFromCS().

2020/05/07 01:06

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