F_VN_MaxPixelValue

F_VN_MaxPixelValue 1:

Finds the maximum pixel value in an image (1 - 4 channels supported).

Syntax

Definition:

FUNCTION F_VN_MaxPixelValue : HRESULT
VAR_INPUT
    ipImage   : ITcVnImage;
END_VAR
VAR_IN_OUT
    aMaxValue : TcVnVector4_LREAL;
    aPosition : TcVnPoint2_DINT;
END_VAR
VAR_INPUT
    hrPrev    : HRESULT;
END_VAR

F_VN_MaxPixelValue 2: Inputs

Name

Type

Description

ipImage

ITcVnImage

Source image

hrPrev

HRESULT

HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

F_VN_MaxPixelValue 3: In/Outputs

Name

Type

Description

aMaxValue

TcVnVector4_LREAL

Returns the maximum pixel value

aPosition

TcVnPoint2_DINT

Returns the first found position of aMaxValue

F_VN_MaxPixelValue 4: Return value

HRESULT

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