F_VN_PointToLineDistance_TcVnPoint2_DINT

F_VN_PointToLineDistance_TcVnPoint2_DINT 1:

Computes the shortest distance between a point and a line.

Syntax

Definition:

FUNCTION F_VN_PointToLineDistance_TcVnPoint2_DINT : HRESULT
VAR_IN_OUT
    aPoint      : TcVnPoint2_DINT;
    aLinePoint1 : TcVnPoint2_DINT;
    aLinePoint2 : TcVnPoint2_DINT;
    fDistance   : LREAL;
END_VAR
VAR_INPUT
    hrPrev      : HRESULT;
END_VAR

 Inputs

Name

Type

Description

hrPrev

HRESULT

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

 In/Outputs

Name

Type

Description

aPoint

TcVnPoint2_DINT

Point

aLinePoint1

TcVnPoint2_DINT

Line Point 1

aLinePoint2

TcVnPoint2_DINT

Line Point 2

fDistance

LREAL

Returns the distance between the point and the line

 Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1.4024.59 or later

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

Tc3_Vision