F_VN_SubtractScalarFromImage

F_VN_SubtractScalarFromImage 1:

Subtract a scalar value from each image pixel using saturation arithmetics.

Syntax

Definition:

FUNCTION F_VN_SubtractScalarFromImage : HRESULT
VAR_INPUT
    ipSrcImage  : ITcVnImage;
    fScalar     : LREAL;
    ipDestImage : Reference To  ITcVnImage;
    hrPrev      : HRESULT;
END_VAR

F_VN_SubtractScalarFromImage 2: Inputs

Name

Type

Description

ipSrcImage

ITcVnImage

Source image

fScalar

LREAL

Scalar value

ipDestImage

Reference To ITcVnImage

Destination image (An appropriate destination image will be created if required.)

hrPrev

HRESULT

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

F_VN_SubtractScalarFromImage 3: 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