F_VN_DrawOrientationExp

F_VN_DrawOrientationExp 1:

Draw the main axis, the horizontal axis and the angle of a set of points/contour based on a rotated rectangle. (expert function)

Syntax

Definition:

FUNCTION F_VN_DrawOrientationExp : HRESULT
VAR_IN_OUT
    stOrientation        : TcVnRotatedRectangle;
END_VAR
VAR_INPUT
    ipDestImage          : ITcVnImage;
END_VAR
VAR_IN_OUT
    aColorMainAxis       : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
    nThickness           : DINT;
END_VAR
VAR_IN_OUT
    aColorHorizontalAxis : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
    fFontScale           : LREAL;
    hrPrev               : HRESULT;
END_VAR

F_VN_DrawOrientationExp 2: Inputs

Name

Type

Description

ipDestImage

ITcVnImage

Destination image

nThickness

DINT

Line thickness

fFontScale

LREAL

Scaling factor for the text

hrPrev

HRESULT

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

F_VN_DrawOrientationExp 3: In/Outputs

Name

Type

Description

stOrientation

TcVnRotatedRectangle

Rotated rectangle, containig center of mass, lenghts of axes, and rotation angle in clockwise direction

aColorMainAxis

TcVnVector4_LREAL

Color of the major axis

aColorHorizontalAxis

TcVnVector4_LREAL

Color of the horizontal axis

F_VN_DrawOrientationExp 4: 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