Locate a shape that is near _ptg, but is closer than _prec distance.
// Delphi public function Locate( const _ptg : TGIS_Point; const _prec : Double ) : TGIS_ShapeAbstract; overload;
// C++ Builder public: TGIS_ShapeAbstract* Locate( TGIS_Point* const _ptg, const double _prec ) /* overload */;
|_ptg||TGIS_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|
|TGIS_ShapeAbstract||Located shape or nil|
To improve performance sections visibility can be used to choose layer to call its Locate method.
If no shape is found on a layer, the searcher takes into account labels registered by the allocator (by extent). In order to disable this behavior, _visible must be set to False.