F_VN_ClipLineToBoundary_TcVnRectangle_DINT

F_VN_ClipLineToBoundary_TcVnRectangle_DINT 1:

Clips a line to a rectangular boundary.

Syntax

Definition:

FUNCTION F_VN_ClipLineToBoundary_TcVnRectangle_DINT : HRESULT
VAR_IN_OUT
    aLine       : TcVnVector4_LREAL;
    stRectangle : TcVnRectangle_DINT;
    aStartPoint : TcVnPoint2_REAL;
    aEndPoint   : TcVnPoint2_REAL;
END_VAR
VAR_INPUT
    hrPrev      : HRESULT;
END_VAR

F_VN_ClipLineToBoundary_TcVnRectangle_DINT 2: Inputs

Name

Type

Description

hrPrev

HRESULT

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

F_VN_ClipLineToBoundary_TcVnRectangle_DINT 3: In/Outputs

Name

Type

Description

aLine

TcVnVector4_LREAL

The first and second element describe the x and y component of the direction vector. The third and fourth element describe the x and y component of the position vector.

stRectangle

TcVnRectangle_DINT

Rectangular boundary

aStartPoint

TcVnPoint2_REAL

Returns the clipped starting point of the line.

aEndPoint

TcVnPoint2_REAL

Returns the clipped end point of the line.

F_VN_ClipLineToBoundary_TcVnRectangle_DINT 4: Return value

HRESULT

Weiterführende Informationen

Diese Funktion passt eine Linie an einen vorgegebenen Bereich an.

Für verschiedene Definitionsformen dieses Bereichs existieren verschiedene Funktionen:

Definition des rechteckigen Bereichs

Zu verwendende Funktion

Durch einzelne X/Y-Koordinaten vorgegeben

F_VN_ClipLineToBoundary

Durch die Größe eines Bildes

F_VN_ClipLineToBoundary_ITcVnImage

Durch eine Rechteck-Struktur

F_VN_ClipLineToBoundary_TcVnRectangle_DINT

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