TGIS_Shape.GetSnapPoint method

Retrieving a snap point.

Available also on: .NET | Java | ActiveX | Python.

Syntax

// Delphi
public
  function GetSnapPoint(
    const _ptg : TGIS_Point;
    const _prec : Double;
    var _dist : Double
  ) : TGIS_Point; virtual;

// C++ Builder
public:
  virtual TGIS_Point* GetSnapPoint(
    TGIS_Point* const _ptg,
    const double _prec,
    double &_dist
  );

Name	Type	Description
_ptg	TGIS_Point	point for which we are seeking a snap point ;
_prec	Double	snapping precision; only points closer to _ptg then _prec can be found ;
_dist	Double	achieved precision

Type	Description
TGIS_Point	Found snap point. If such point cannot be localized then same as _ptg.

Snap point is the best point in the shape for which we can perform snapping.