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