TransformCoordinatesPlanar (Point)

Compute real-world coordinates for a given image point or vice versa.

Syntax

Definition:

HRESULT TransformCoordinatesPlanar(
    HRESULT              hrPrev,
    TcVnPoint2_LREAL&    aSrcPoint,
    TcVnPoint2_LREAL&    aDestPoint,
    TcVnMatrix3x3_LREAL& aTransformationMatrix
)

Parameters

Name	Type	Description
hrPrev	HRESULT	HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)
aSrcPoint	TcVnPoint2_LREAL&	Point in the source coordinate system
aDestPoint	TcVnPoint2_LREAL&	Returns point in the destination coordinate system
aTransformationMatrix	TcVnMatrix3x3_LREAL&	Transformation matrix obtained with VnCalibrateCameraPlanar() or its inverse matrix obtained with VnInvertMatrix3x3()

Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment	Target platform	PLC libraries to include
TwinCAT V3.1.4024.59 or later	PC or CX (x64) with min. PL50, e.g. Intel 4-core Atom CPU	Tc3_Vision