F_VN_ContourOrientationExp

Calculate the orientation of a contour or a set of points. (expert function)

Syntax

Definition:

FUNCTION F_VN_ContourOrientationExp : HRESULT
VAR_INPUT
    ipContour     : ITcVnContainer;
END_VAR
VAR_IN_OUT
    stOrientation : TcVnRotatedRectangle;
END_VAR
VAR_INPUT
    eMethod       : ETcVnOrientationMethod;
    hrPrev        : HRESULT;
END_VAR

Inputs

Name	Type	Description
ipContour	ITcVnContainer	Source point set (ContainerType_Vector_TcVnPoint2_DINT, ContainerType_Vector_TcVnPoint2_REAL, or ContainerType_Vector_TcVnPoint2_LREAL. The elements of this container are the individual points.)
eMethod	ETcVnOrientationMethod	Method for calculating the orientation.
hrPrev	HRESULT	HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

In/Outputs

Name	Type	Description
stOrientation	TcVnRotatedRectangle	Resulting rotated rectangle, containig center of mass, lenghts of axes, and rotation angle of the contour in clockwise direction.

Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment	Target platform	PLC libraries to include
TwinCAT V3.1.4024.54 or later	PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU	Tc3_Vision