F_VN_DrawKeypoints

F_VN_DrawKeypoints 1:

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

Syntax

Definition:

FUNCTION F_VN_DrawKeypoints : HRESULT
VAR_INPUT
    ipSrcImage  : ITcVnImage;
    ipKeyPoints : ITcVnContainer;
    ipDestImage : Reference To  ITcVnImage;
    hrPrev      : HRESULT;
END_VAR

F_VN_DrawKeypoints 2: Inputs

Name

Type

Description

ipSrcImage

ITcVnImage

Source image (elements of type USINT)

ipKeyPoints

ITcVnContainer

Container with the keypoints (ContainerType_Vector_TcVnKeyPoint)

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_DrawKeypoints 3: Return value

HRESULT

Required License

TC3 Vision Matching

System Requirements