WarpPerspective

Apply a perspective transformation to an image.
Can use available TwinCAT Job Tasks for executing parallel code regions.
Can return partial results when canceled by Watchdog.

Syntax

Definition:

HRESULT WarpPerspective(
    HRESULT              hrPrev,
    ITcVnImage*          ipSrcImage,
    ITcVnImage*&         ipDestImage,
    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.)

ipSrcImage

ITcVnImage*

Source image

ipDestImage

ITcVnImage*&

Destination image (An appropriate image will be created if required.)

aTransformationMatrix

TcVnMatrix3x3_LREAL&

Perspective transformation matrix

WarpPerspective 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