F_VN_ApplyScalingToAffineTransformation

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

Syntax

Definition:

FUNCTION F_VN_ApplyScalingToAffineTransformation : HRESULT
VAR_IN_OUT
    aTransformationMatrix : TcVnMatrix2x3_LREAL;
END_VAR
VAR_INPUT
    fScaleX               : LREAL;
    fScaleY               : LREAL;
    hrPrev                : HRESULT;
END_VAR

Inputs

Name	Type	Description
fScaleX	LREAL	Scaling factor in x direction
fScaleY	LREAL	Scaling factor in y direction
hrPrev	HRESULT	HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

In/Outputs

Name	Type	Description
aTransformationMatrix	TcVnMatrix2x3_LREAL	Affine transformation matrix to which the scaling is applied

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