F_VN_ApplyScalingToAffineTransformationExp
Apply a scaling to an existing 2D affine transformation matrix. (expert function)
Syntax
Definition:
FUNCTION F_VN_ApplyScalingToAffineTransformationExp : HRESULT
VAR_IN_OUT
aTransformationMatrix : TcVnMatrix2x3_LREAL;
END_VAR
VAR_INPUT
fScaleX : LREAL;
fScaleY : LREAL;
bUsePreMultiplication : BOOL;
hrPrev : HRESULT;
END_VAR
Inputs
|
Name |
Type |
Description |
|---|---|---|
|
fScaleX |
LREAL |
Scaling factor in x direction |
|
fScaleY |
LREAL |
Scaling factor in y direction |
|
bUsePreMultiplication |
BOOL |
Select if pre- or post-multiplication should be used |
|
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
In/Outputs
|
Name |
Type |
Description |
|---|---|---|
|
aTransformationMatrix |
Affine transformation matrix to which the scaling is applied |
Return valueRequired 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 |