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ITGIS_ViewerWnd.LocateEx method

DK11 for ActiveX | TatukGIS_XDK11.ITGIS_ViewerWnd.LocateEx | Methods | Properties

Locate shapes on layers that are near _ptg, but closer than _prec distance. Still only the best one candidate is chosen from each layer.

Available also on: Delphi FMX | .NET WinForms | Java.


// 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
  function LocateEx(
    _ptg : ITGIS_Point;
    _prec : Double;
    _visible : WordBool
  ) : ITGIS_ShapeAbstractList;


Name Type Description
_ptg ITGIS_Point reference point /searching point/
_prec double
precision /not a longer distance than/; for points inside the polygon (if _prec >= 0) the distance will be multiply by 0.95 (to prefer points inside the polygon) but will not be bigger then _prec; for point distance will be multiplied by 0.9 to prefer points over lines and polygons; precision is express in map units
_visible WordBool if true the only visible shapes will be evaluated; shapes turned of by query of hidden will be ignored


Type Description
ITGIS_ShapeAbstractList Allocated list of shapes from all viewer layers


returned list should be freed by a calling application.

2020/05/22 01:05

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