F_VN_DrawMatches

F_VN_DrawMatches 1:

Draws the keypoints and matches for visualization purpose.
Can use available TwinCAT Job Tasks for executing parallel code regions.

Syntax

Definition:

FUNCTION F_VN_DrawMatches : HRESULT
VAR_INPUT
    ipSrcImage1   : ITcVnImage;
    ipKeyPoints1  : ITcVnContainer;
    ipSrcImage2   : ITcVnImage;
    ipKeyPoints2  : ITcVnContainer;
    ipMatches1To2 : ITcVnContainer;
    ipDestImage   : Reference To ITcVnImage;
    hrPrev        : HRESULT;
END_VAR

F_VN_DrawMatches 2: Inputs

Name

Type

Description

ipSrcImage1

ITcVnImage

Source image 1 (elements of type USINT)

ipKeyPoints1

ITcVnContainer

Container with the keypoints 1 (ContainerType_Vector_TcVnKeyPoint)

ipSrcImage2

ITcVnImage

Source image 2 (elements of type USINT, must have the same number of channels as ipSrcImage1)

ipKeyPoints2

ITcVnContainer

Container with the keypoints 2 (ContainerType_Vector_TcVnKeyPoint)

ipMatches1To2

ITcVnContainer

Container with the descriptor matches (ContainerType_Vector_TcVnDMatch)

ipDestImage

Reference To ITcVnImage

Destination image (An appropriate color 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_DrawMatches 3: Return value

HRESULT

Required License

TC3 Vision Matching

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