TransformCoordinatesPlanar (Container)

Compute real-world coordinates for given image points or vice versa.

Syntax

Definition:

HRESULT TransformCoordinatesPlanar(
    HRESULT              hrPrev,
    ITcVnContainer*      ipSrcPoints,
    ITcVnContainer*&     ipDestPoints,
    TcVnMatrix3x3_LREAL& aTransformationMatrix
)

Parameters

Name

Type

Description

hrPrev

HRESULT

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

ipSrcPoints

ITcVnContainer*

Container with 2D source points (TcVnPoint2_DINT or TcVnPoint2_REAL or TcVnPoint2_LREAL)

ipDestPoints

ITcVnContainer*&

Returns the transformed 2D points (TcVnPoint2_LREAL)

aTransformationMatrix

TcVnMatrix3x3_LREAL&

Transformation matrix obtained with VnCalibrateCameraPlanar() or its inverse matrix obtained with VnInvertMatrix3x3()

TransformCoordinatesPlanar (Container) 1: 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