F_VN_PerspectiveTransformation
Apply a perspective transformation (rotation + translation, e.g. from extrinsic calibration) to 3D point coordinates.
Syntax
Definition:
FUNCTION F_VN_PerspectiveTransformation : HRESULT
VAR_INPUT
ipSrcPoints : ITcVnContainer;
ipDestPoints : Reference To ITcVnContainer;
END_VAR
VAR_IN_OUT
aRotationMatrix : TcVnMatrix3x3_LREAL;
aTranslationVector : TcVnVector3_LREAL;
END_VAR
VAR_INPUT
hrPrev : HRESULT;
END_VAR
Inputs
Name |
Type |
Description |
---|---|---|
ipSrcPoints |
Container with 3D source points (TcVnPoint3_REAL or TcVnPoint3_LREAL) | |
ipDestPoints |
Reference To ITcVnContainer |
Returns the transformed points (same type as ipSrcPoints) |
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
In/Outputs
Name |
Type |
Description |
---|---|---|
aRotationMatrix |
3x3 rotation matrix | |
aTranslationVector |
Translation vector |
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 |