CADability dotNET
Returns the perpendicular foot point of point p on the line (lstart,lend)

Namespace: CADability
Assembly: CADability (in CADability.dll) Version: 1.1.4254.24737 (1.1.*)

Syntax

C#
public static GeoPoint2D DropPL(
	GeoPoint2D P,
	GeoPoint2D lstart,
	GeoPoint2D lend
)
Visual Basic
Public Shared Function DropPL ( _
	P As GeoPoint2D, _
	lstart As GeoPoint2D, _
	lend As GeoPoint2D _
) As GeoPoint2D
Visual C++
public:
static GeoPoint2D DropPL(
	GeoPoint2D P, 
	GeoPoint2D lstart, 
	GeoPoint2D lend
)

Parameters

P
Type: CADability..::..GeoPoint2D
the source point
lstart
Type: CADability..::..GeoPoint2D
startpoint of the line
lend
Type: CADability..::..GeoPoint2D
endpoint of the line

Return Value

footpoint

See Also