ContourRoundness

Computes the roundness of a contour (perimeter^2 / area).

Syntax

Definition:

HRESULT ContourRoundness(
    HRESULT         hrPrev,
    ITcVnContainer* ipContour,
    double&         fRoundness
)

Parameters

Name

Type

Description

hrPrev

HRESULT

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

ipContour

ITcVnContainer*

Single contour (ContainerType_Vector_TcVnPoint2_DINT or ContainerType_Vector_TcVnPoint2_REAL; The elements of this container are the points of the contour.)

fRoundness

double&

Returns the roundness of the contour

ContourRoundness 1: 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