TransformCoordinatesPlanar (Point)

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

Syntax

Definition:

HRESULT TransformCoordinatesPlanar(
    HRESULT              hrPrev,
    TcVnPoint2_LREAL&    aSrcPoint,
    TcVnPoint2_LREAL&    aDestPoint,
    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.)

aSrcPoint

TcVnPoint2_LREAL&

Point in the source coordinate system

aDestPoint

TcVnPoint2_LREAL&

Returns point in the destination coordinate system

aTransformationMatrix

TcVnMatrix3x3_LREAL&

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

TransformCoordinatesPlanar (Point) 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