F_VN_PlotIntensityProfile

Plots the pixel intensity profile along a line segment in an image.

Syntax

Definition:

FUNCTION F_VN_PlotIntensityProfile : HRESULT
VAR_INPUT
    ipSrcImage  : ITcVnImage;
    ipDestImage : Reference To  ITcVnImage;
END_VAR
VAR_IN_OUT
    aStartPoint : TcVnPoint2_REAL;
    aEndPoint   : TcVnPoint2_REAL;
END_VAR
VAR_INPUT
    hrPrev      : HRESULT;
END_VAR

Inputs

Name	Type	Description
ipSrcImage	ITcVnImage	Source image (USINT, 1 channel)
ipDestImage	Reference To ITcVnImage	Destination image (USINT, 1 channel. x: position, y: intensity, origin: bottom left. An appropriate destination image will be created if required.)
hrPrev	HRESULT	HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

In/Outputs

Name	Type	Description
aStartPoint	TcVnPoint2_REAL	Start point of the line segment
aEndPoint	TcVnPoint2_REAL	End point of the line segment

Return value

HRESULT

Required 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