InvertAffineTransformation

Invert a 2D affine transformation matrix. The inverted transformation compensates the affine transformation on an image if it is used in the F_VN_WarpAffine function.

Syntax

Definition:

HRESULT InvertAffineTransformation(
    HRESULT              hrPrev,
    TcVnMatrix2x3_LREAL& aTransformationMatrix,
    TcVnMatrix2x3_LREAL& aInvertedTransformationMatrix
)

Parameters

Name

Type

Description

hrPrev

HRESULT

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

aTransformationMatrix

TcVnMatrix2x3_LREAL&

Source affine transformation matrix

aInvertedTransformationMatrix

TcVnMatrix2x3_LREAL&

Resulting inverted affine transformation matrix

InvertAffineTransformation 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