F_VN_RegionOrientation

F_VN_RegionOrientation 1:

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

Syntax

Definition:

FUNCTION F_VN_RegionOrientation : HRESULT
VAR_INPUT
    ipSrcImage    : ITcVnImage;
END_VAR
VAR_IN_OUT
    stOrientation : TcVnRotatedRectangle;
END_VAR
VAR_INPUT
    hrPrev        : HRESULT;
END_VAR

F_VN_RegionOrientation 2: Inputs

Name

Type

Description

ipSrcImage

ITcVnImage

Source image (1 channel, binary).

hrPrev

HRESULT

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

F_VN_RegionOrientation 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_RegionOrientation 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