F_VN_ApplyRotationToAffineTransformation

F_VN_ApplyRotationToAffineTransformation 1:

Apply a rotation to an existing 2D affine transformation matrix.

Syntax

Definition:

FUNCTION F_VN_ApplyRotationToAffineTransformation : HRESULT
VAR_IN_OUT
    aTransformationMatrix : TcVnMatrix2x3_LREAL;
END_VAR
VAR_INPUT
    fAngle                : LREAL;
    hrPrev                : HRESULT;
END_VAR

F_VN_ApplyRotationToAffineTransformation 2: Inputs

Name

Type

Description

fAngle

LREAL

Angle in radians (positive means counter-clockwise)

hrPrev

HRESULT

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

F_VN_ApplyRotationToAffineTransformation 3: In/Outputs

Name

Type

Description

aTransformationMatrix

TcVnMatrix2x3_LREAL

Affine transformation matrix to which the rotation is applied

F_VN_ApplyRotationToAffineTransformation 4: Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1. 4024.44 or later

PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU

Tc3_Vision