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. 4024.44 or later

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

Tc3_Vision