WarpPerspective (Point)

Apply a perspective transformation to a 2D point.

Syntax

Definition:

HRESULT WarpPerspective(
    HRESULT              hrPrev,
    TcVnPoint2_LREAL&    aSrcPoint,
    TcVnPoint2_LREAL&    aDestPoint,
    TcVnMatrix3x3_LREAL& aTransformationMatrix
)

Parameters

Name

Type

Description

hrPrev

HRESULT

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

aSrcPoint

TcVnPoint2_LREAL&

Source point

aDestPoint

TcVnPoint2_LREAL&

Destination point

aTransformationMatrix

TcVnMatrix3x3_LREAL&

Perspective transformation matrix

WarpPerspective (Point) 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