F_VN_RegionOrientationExp

F_VN_RegionOrientationExp 1:

Calculate the orientation of a region based on a binary image that contains a non zero value for every pixel in that region. (expert function)

Syntax

Definition:

FUNCTION F_VN_RegionOrientationExp : HRESULT
VAR_INPUT
    ipSrcImage    : ITcVnImage;
END_VAR
VAR_IN_OUT
    stOrientation : TcVnRotatedRectangle;
END_VAR
VAR_INPUT
    eMethod       : ETcVnOrientationMethod;
    hrPrev        : HRESULT;
END_VAR

F_VN_RegionOrientationExp 2: Inputs

Name

Type

Description

ipSrcImage

ITcVnImage

Source image (1 channel, binary)

eMethod

ETcVnOrientationMethod

Method for calculating the orientation.

hrPrev

HRESULT

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

F_VN_RegionOrientationExp 3: In/Outputs

Name

Type

Description

stOrientation

TcVnRotatedRectangle

Resulting rotated rectangle, containig center of mass, lenghts of axes, and rotation angle of the region in clockwise direction.

F_VN_RegionOrientationExp 4: 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