TGIS_Shape.GetSnapPoint method

Retrieving a snap point.

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

Syntax

// C#
public virtual TGIS_Point GetSnapPoint(
  TGIS_Point _ptg,
  double _prec,
  ref double _dist
);

' VisualBasic
Public Overridable Function GetSnapPoint(
  ByVal _ptg As TGIS_Point,
  ByVal _prec As Double,
  ByRef _dist As Double
) As TGIS_Point

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

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