F_VN_ContourExtremePoint
Finds the contour extreme point.
Syntax
Definition:
FUNCTION F_VN_ContourExtremePoint : HRESULT
VAR_INPUT
ipContour : ITcVnContainer;
eDirection : ETcVnExtremePointDirection;
END_VAR
VAR_IN_OUT
aExtremePoint : TcVnPoint2_LREAL;
END_VAR
VAR_INPUT
hrPrev : HRESULT;
END_VAR
Inputs
|
Name |
Type |
Description |
|---|---|---|
|
ipContour |
Source container with 2D points (TcVnPoint2_DINT or TcVnPoint2_REAL or TcVnPoint2_LREAL) | |
|
eDirection |
Selects the search direction for the extreme point | |
|
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
In/Outputs
|
Name |
Type |
Description |
|---|---|---|
|
aExtremePoint |
Returns the extreme point of the contour, according to eDirection |
Return valueRequired 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 |