OdDbMPolygon::getClosestLoopTo Method

Syntax

C++

virtual int getClosestLoopTo(const OdGePoint3d& worldPt) const;

Parameters	Description
const OdGePoint3d& worldPt	[in] 3D point in world coordinate system.

Index of the closest loop.

Finds the closest loop from the OdDbMPolygon within the pick box around the specified 3D point.

Returns -1 if there is no loop in the pick box.
The pick box is created around the input point. The size of the pick box is specified by the system variable PICKBOX.
If two loops are at the same distance from the point, the function finds a loop with a lower index.
If two loops are within the pick box, the function finds a loop that is closer to the worldPt point.