F_VN_GetAffineTransformation
Calculate the affine transformation between three corresponding point pairs. The points mark the corners of the corresponding triangles.
Syntax
Definition:
FUNCTION F_VN_GetAffineTransformation : HRESULT
VAR_IN_OUT
aSrcPoints : TcVnArray3_Point2_REAL;
aDestPoints : TcVnArray3_Point2_REAL;
aTransformationMatrix : TcVnMatrix2x3_LREAL;
END_VAR
VAR_INPUT
hrPrev : HRESULT;
END_VAR
Inputs
Name |
Type |
Description |
---|---|---|
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
In/Outputs
Name |
Type |
Description |
---|---|---|
aSrcPoints |
Source points | |
aDestPoints |
Destination points | |
aTransformationMatrix |
Resulting transformation matrix |
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 |