F_VN_DrawCircles
Draws circles.
Syntax
Definition:
FUNCTION F_VN_DrawCircles : HRESULT
VAR_INPUT
ipCircles : ITcVnContainer;
nCircleIndex : DINT;
ipDestImage : ITcVnImage;
END_VAR
VAR_IN_OUT
aColor : TcVnVector4_LREAL;
END_VAR
VAR_INPUT
nThickness : DINT;
hrPrev : HRESULT;
END_VAR
Inputs
Name |
Type |
Description |
---|---|---|
ipCircles |
Container with circles (ContainerType_Vector_TcVnVector3_REAL; Each container element contains the x coordinate of the circle center [0], the y coordinate of the circle center [1], and the radius [2].) | |
nCircleIndex |
DINT |
Index of a specific circle to be drawn (if negative, all circles within the container are drawn) |
ipDestImage |
Destination image | |
nThickness |
DINT |
Line thickness (if negative, the circle is filled) |
hrPrev |
HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.) |
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 |