DrawOrientation (Exp)

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

Syntax

Definition:

HRESULT DrawOrientation(
    HRESULT               hrPrev,
    TcVnRotatedRectangle& stOrientation,
    ITcVnImage*           ipDestImage,
    TcVnVector4_LREAL&    aColorMainAxis,
    LONG                  nThickness,
    TcVnVector4_LREAL&    aColorHorizontalAxis,
    double                fFontScale
)

Parameters

Name

Type

Description

hrPrev

HRESULT

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

stOrientation

TcVnRotatedRectangle&

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

ipDestImage

ITcVnImage*

Destination image

aColorMainAxis

TcVnVector4_LREAL&

Color of the major axis

nThickness

LONG

Line thickness

aColorHorizontalAxis

TcVnVector4_LREAL&

Color of the horizontal axis

fFontScale

double

Scaling factor for the text

DrawOrientation (Exp) 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