CountNonZeroPixels

Counts the non-zero pixels in a single-channel image (e.g. useful to analyze threshold results).

Syntax

Definition:

HRESULT CountNonZeroPixels(
    HRESULT     hrPrev,
    ITcVnImage* ipSrcImage,
    ULONGLONG&  nNonZero
)

Parameters

Name

Type

Description

hrPrev

HRESULT

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

ipSrcImage

ITcVnImage*

Source image (1 channel)

nNonZero

ULONGLONG&

Returns the number of non-zero pixels in ipSrcImage

CountNonZeroPixels 1: 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