F_VN_ImageAbsoluteAverage

F_VN_ImageAbsoluteAverage 1:

Computes the average absolute pixel value of an image.
Can use available TwinCAT Job Tasks for executing parallel code regions.
Can return partial results when canceled by Watchdog.

Syntax

Definition:

FUNCTION F_VN_ImageAbsoluteAverage : HRESULT
VAR_INPUT
    ipSrcImage : ITcVnImage;
END_VAR
VAR_IN_OUT
    fAverage   : LREAL;
END_VAR
VAR_INPUT
    hrPrev     : HRESULT;
END_VAR

 Inputs

Name

Type

Description

ipSrcImage

ITcVnImage

Source image

hrPrev

HRESULT

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

 In/Outputs

Name

Type

Description

fAverage

LREAL

Returns the average absolute pixel value

 Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1.4024.59 or later

PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU

Tc3_Vision