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api:dk11:activex:tatukgis_xdk11.igis_viewer.locateex_itgis_point_double_wordbool

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IGIS_Viewer.LocateEx method

DK for ActiveX | TatukGIS_XDK11.IGIS_Viewer.LocateEx | Methods | Properties

Locates shapes on layers near _ptg and returns the best candidate from each layer that is within _prec.

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

Syntax

// C#
public ITGIS_ShapeAbstractList LocateEx(
  ITGIS_Point _ptg,
  double _prec,
  WordBool _visible
);
' VisualBasic
Public Function LocateEx(
  ByVal _ptg As ITGIS_Point,
  ByVal _prec As Double,
  ByVal _visible As WordBool
) As ITGIS_ShapeAbstractList
// Oxygene
public
  function LocateEx(
    _ptg : ITGIS_Point;
    _prec : Double;
    _visible : WordBool
  ) : ITGIS_ShapeAbstractList;

Parameters

Name Type Description
_ptg ITGIS_Point Reference point in map coordinates.
_prec double
Double
Maximum search distance in map units; distances for points inside polygons are multiplied by 0.95 and point distances are multiplied by 0.9 to prefer points over lines and polygons.
_visible WordBool If True, only visible shapes are evaluated; shapes hidden by query or visibility settings are ignored.

Result

Type Description
ITGIS_ShapeAbstractList Allocated list of shapes from all viewer layers.

Remarks

The returned list should be freed by the calling application.

2026/07/11 00:07

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