ContourPerimeter

Computes the perimeter of a contour (curve length if the contour is not closed).

Syntax

Definition:

HRESULT ContourPerimeter(
    HRESULT         hrPrev,
    ITcVnContainer* ipContour,
    double&         fPerimeter,
    bool            bClosed
)

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.)

fPerimeter

double&

Returns the perimeter of the contour

bClosed

bool

Specifys, if the contour is closed (first and last points connected) or not

ContourPerimeter 1: 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