F_VN_InnerCircleExp

Calculates the position and radius of the largest inscribed circle within the white region of a binary image. (expert function)

Syntax

Definition:

FUNCTION F_VN_InnerCircleExp : HRESULT
VAR_INPUT
    ipSrcImage    : ITcVnImage;
END_VAR
VAR_IN_OUT
    fRadius       : LREAL;
    aCenter       : TcVnPoint2_REAL;
END_VAR
VAR_INPUT
    eDistanceType : ETcVnDistanceType;
    eMaskSize     : ETcVnDistanceTransformationMask;
    hrPrev        : HRESULT;
END_VAR

Inputs

Name	Type	Description
ipSrcImage	ITcVnImage	Source image (USINT, 1 channel)
eDistanceType	ETcVnDistanceType	Distance computation method (supported: L1, L2, C)
eMaskSize	ETcVnDistanceTransformationMask	Size of the distance transformation mask
hrPrev	HRESULT	HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

In/Outputs

Name	Type	Description
fRadius	LREAL	Returns the radius of the inner circle
aCenter	TcVnPoint2_REAL	Returns the center of the inner circle

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