F_VN_EnclosingCircle

F_VN_EnclosingCircle 1:

Searchs for a minimum area circle enclosing a set of points.

Syntax

Definition:

FUNCTION F_VN_EnclosingCircle : HRESULT
VAR_INPUT
    ipPointSet : ITcVnContainer;
END_VAR
VAR_IN_OUT
    aCenter    : TcVnPoint2_REAL;
    fRadius    : REAL;
END_VAR
VAR_INPUT
    hrPrev     : HRESULT;
END_VAR

F_VN_EnclosingCircle 2: Inputs

Name

Type

Description

ipPointSet

ITcVnContainer

Source point set (ContainerType_Vector_TcVnPoint2_DINT or ContainerType_Vector_TcVnPoint2_REAL; The elements of this container are the individual points.)

hrPrev

HRESULT

HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

F_VN_EnclosingCircle 3: In/Outputs

Name

Type

Description

aCenter

TcVnPoint2_REAL

Returns the center of the circle

fRadius

REAL

Returns the radius of the circle

F_VN_EnclosingCircle 4: Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1. 4024.44 or later

PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU

Tc3_Vision