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. 4024.44 or later

PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU

Tc3_Vision