F_VN_FitLine

F_VN_FitLine 1:

Fit a line into a point set.

Syntax

Definition:

FUNCTION F_VN_FitLine : HRESULT
VAR_INPUT
    ipPointSet : ITcVnContainer;
END_VAR
VAR_IN_OUT
    aFitLine   : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
    hrPrev     : HRESULT;
END_VAR

F_VN_FitLine 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_FitLine 3: In/Outputs

Name

Type

Description

aFitLine

TcVnVector4_LREAL

Resulting line. The first and second element describe the x and y component of a vector collinear to the line. The third and fourth element describe the x and y component of a point on the line.

F_VN_FitLine 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