Represents a model of a line segment. More...

Inheritance diagram for eVision.Legacy.ELine:

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Collaboration diagram for eVision.Legacy.ELine:

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Public Member Functions
	ELine ()
	Constructs a ELine object.
	ELine (eVision.EPoint center, float length, float angle)
	Constructs a ELine object.
	ELine (eVision.EPoint center, float length)
	Constructs a ELine object.
	ELine (eVision.EPoint origin, eVision.EPoint end)
	Constructs a ELine object.
	ELine (eVision.Legacy.ELine other)
	Constructs a ELine object.
void	CopyTo (eVision.Legacy.ELine other)
	Copies all the data of the current ELine object into another ELine object and returns it.
void	SetFromOriginAndEnd (eVision.EPoint origin, eVision.EPoint end)
	Sets the geometric parameters (center coordinates, length, and rotation angle) of a ELine object.
void	SetFromTwoPoints (eVision.EPoint origin, eVision.EPoint end)
	Sets the geometric parameters (center coordinates, length, and rotation angle) of a ELine object.
eVision.EPoint	GetPoint (float fraction)
	Returns the coordinates of a point along the line.
new void	Load (string path)
	Load the ELine configuration. The given ESerializer must have been created for reading.
new void	Load (eVision.ESerializer serializer)
	Load the ELine configuration. The given ESerializer must have been created for reading.
new void	Save (string path)
	Save the ELine configuration. The given ESerializer must have been created for writing.
new void	Save (eVision.ESerializer serializer)
	Save the ELine configuration. The given ESerializer must have been created for writing.
Public Member Functions inherited from eVision.Legacy.EFrame
	EFrame ()
	Constructs a EFrame object.
	EFrame (float centerX, float centerY, float angle, float scale)
	Constructs a EFrame object.
	EFrame (float centerX, float centerY, float angle)
	Constructs a EFrame object.
	EFrame (float centerX, float centerY)
	Constructs a EFrame object.
	EFrame (eVision.EPoint center, float angle, float scale)
	Constructs a EFrame object.
	EFrame (eVision.Legacy.EFrame frame)
	Constructs a EFrame object.
void	CopyTo (eVision.Legacy.EFrame other)
	Copies all the data from the current EFrame object into another EFrame object, and returns it.
eVision.EPoint	LocalToGlobal (eVision.EPoint local)
	Transforms a geometrical element from local to global coordinates (local to world).
eVision.Legacy.EFrame	LocalToGlobal (eVision.Legacy.EFrame local)
	Transforms a geometrical element from local to global coordinates (local to world).
eVision.Legacy.ELine	LocalToGlobal (eVision.Legacy.ELine local)
	Transforms a geometrical element from local to global coordinates (local to world).
eVision.Legacy.ECircle	LocalToGlobal (eVision.Legacy.ECircle local)
	Transforms a geometrical element from local to global coordinates (local to world).
eVision.EPoint	GlobalToLocal (eVision.EPoint global)
	Transforms a geometrical element from global to local coordinates (world to local).
eVision.Legacy.EFrame	GlobalToLocal (eVision.Legacy.EFrame global)
	Transforms a geometrical element from global to local coordinates (world to local).
void	Load (string path)
	Load the EFrame configuration. The given ESerializer must have been created for reading.
void	Load (eVision.ESerializer serializer)
	Load the EFrame configuration. The given ESerializer must have been created for reading.
void	Save (string path)
	Save the EFrame configuration. The given ESerializer must have been created for writing.
void	Save (eVision.ESerializer serializer)
	Save the EFrame configuration. The given ESerializer must have been created for writing.
void	SetCenterXY (float centerX, float centerY)
	Sets the center coordinates of a EFrame object.
eVision.EPoint	MidPoint (eVision.EPoint Point)
	Returns the middle coordinate between this EFrame object's center and another EFrame object's center.
eVision.EPoint	Rotate (float angle)
	Returns another EPoint object containing the coordinates of the rotated center point.
float	Square ()
	Compute the sum of the squared coordinates of the center of a EFrame.
float	Modulus ()
	Compute the euclidean modulus of the center of a EFrame.
float	Argument ()
	Compute the polar argument of the center of EFrame object.
float	Dot (eVision.EPoint Point)
	Compute the dot product of the centers of two EFrame objects.
float	Cross (eVision.EPoint Point)
	Compute the cross product of the centers of two EFrame objects.
float	Area (eVision.EPoint Point)
	Compute the oriented area of the parallelogram built on the centers of two EFrame.
eVision.EPoint	Project (eVision.Legacy.ELine shape)
	Compute the orthogonal projection of the center of a EFrame on another shape.
eVision.EPoint	Project (eVision.Legacy.ECircle shape)
	Compute the orthogonal projection of the center of a EFrame on another shape.
float	SquaredDistance (eVision.EPoint Point)
	Compute the squared distance between the centers of two EFrame.
eVision.EPoint	Move (float angle, float distance)
	Return the position by moving the center along angle by distance.
virtual float	Distance (eVision.EPoint point)
	Returns the distance between the addressed point and the center of EFrame object.
virtual float	Distance (eVision.Legacy.ELine line, bool segmentOnly)
	Returns the distance between the addressed point and the center of EFrame object.
virtual float	Distance (eVision.Legacy.ELine line)
	Returns the distance between the addressed point and the center of EFrame object.
virtual float	Distance (eVision.Legacy.ECircle circle, bool arcOnly)
	Returns the distance between the addressed point and the center of EFrame object.
virtual float	Distance (eVision.Legacy.ECircle circle)
	Returns the distance between the addressed point and the center of EFrame object.

Static Public Member Functions
static float	GetAngleBetweenLines (eVision.Legacy.ELine line1, eVision.Legacy.ELine line2)
	Computes the angle between two lines.
static float	GetDistanceBetweenPointAndLine (eVision.EPoint pt, eVision.Legacy.ELine line, bool limited)
	Computes the distance between a point and a line.
static float	GetDistanceBetweenPointAndLine (eVision.EPoint pt, eVision.Legacy.ELine line)
	Computes the distance between a point and a line.
static eVision.EPoint	GetProjectionOfPointOnLine (eVision.EPoint pt, eVision.Legacy.ELine line, bool limited)
	Computes the projection of a point on a line.
static eVision.EPoint	GetProjectionOfPointOnLine (eVision.EPoint pt, eVision.Legacy.ELine line)
	Computes the projection of a point on a line.
static int	GetIntersectionOfLines (eVision.Legacy.ELine line1, eVision.Legacy.ELine line2, ref eVision.EPoint intersection, bool limited)
	Computes the intersection between two lines.
static int	GetIntersectionOfLines (eVision.Legacy.ELine line1, eVision.Legacy.ELine line2, ref eVision.EPoint intersection)
	Computes the intersection between two lines.
Static Public Member Functions inherited from eVision.Legacy.EFrame
static eVision.EPoint	operator+ (eVision.Legacy.EFrame extraArgument, eVision.EPoint point)
	Returns the addition of the point to the center of the EFrame.
static eVision.EPoint	operator- (eVision.Legacy.EFrame extraArgument, eVision.EPoint point)
	Returns the substraction of the center of the EFrame with the given point.
static eVision.EPoint	operator* (eVision.Legacy.EFrame extraArgument, float scalar)
	Returns the multiplication of the center of the EFrame with the given multiplier.
static eVision.EPoint	operator/ (eVision.Legacy.EFrame extraArgument, float scalar)
	Returns the division of the center of the EFrame with the given divisor.

Properties
float	Length `[get, set]`
	Length of the ELine object.
eVision.EPoint	Org `[get]`
	Origin point coordinates of the ELine object.
eVision.EPoint	End `[get]`
	End point coordinates of the ELine object.
Properties inherited from eVision.Legacy.EFrame
float	Angle `[get, set]`
	Orientation of the frame.
float	Scale `[get, set]`
	Horizontal sensor resolution, in pixels per unit.
float	CenterX `[get]`
	Abscissa of the origin point of the frame.
float	CenterY `[get]`
	Ordinate of the origin point of the frame.
virtual eVision.EPoint	Center `[get, set]`
	Center.
float	X `[get, set]`
	Abscissa (X coordinate) of the EFrame object.
float	Y `[get, set]`
	Ordinate (Y coordinate) of the EFrame object.

Detailed Description

Represents a model of a line segment.

License(s): BasicTypes

Constructor & Destructor Documentation

◆ ELine() [1/5]

eVision.Legacy.ELine.ELine ( )

Constructs a ELine object.

◆ ELine() [2/5]

eVision.Legacy.ELine.ELine	(	eVision.EPoint	center,
		float	length,
		float	angle )

Constructs a ELine object.

Parameters

center	Center coordinates of the line at its nominal position. The default value is (0,0).
length	Nominal length of the line. The default value is 100.
angle	Nominal rotation angle of the line. The default value is 0.

◆ ELine() [3/5]

eVision.Legacy.ELine.ELine	(	eVision.EPoint	center,
		float	length )

Constructs a ELine object.

Parameters

center	Center coordinates of the line at its nominal position. The default value is (0,0).
length	Nominal length of the line. The default value is 100.

◆ ELine() [4/5]

eVision.Legacy.ELine.ELine	(	eVision.EPoint	origin,
		eVision.EPoint	end )

Constructs a ELine object.

Parameters

origin	Origin point coordinates of the line.
end	End point coordinates of the line.

◆ ELine() [5/5]

eVision.Legacy.ELine.ELine ( eVision.Legacy.ELine other )

Constructs a ELine object.

Parameters

other Another ELine object to be copied in the new ELine object.

Member Function Documentation

◆ CopyTo()

void eVision.Legacy.ELine.CopyTo ( eVision.Legacy.ELine other )

Copies all the data of the current ELine object into another ELine object and returns it.

Parameters

other ELine object in which the current ELine object data have to be copied.

In the overload taking a pointer, in case of a NULL pointer, a new ELine object will be created and returned.

◆ GetAngleBetweenLines()

float eVision.Legacy.ELine.GetAngleBetweenLines	(	eVision.Legacy.ELine	line1,
		eVision.Legacy.ELine	line2 )

static

Computes the angle between two lines.

Parameters

line1	First line
line2	Second line

The angle returned by this function is signed in the trigonometric sense, meaning that angle(1,2) = -angle(2,1).

◆ GetDistanceBetweenPointAndLine() [1/2]

float eVision.Legacy.ELine.GetDistanceBetweenPointAndLine	(	eVision.EPoint	pt,
		eVision.Legacy.ELine	line )

static

Computes the distance between a point and a line.

Parameters

pt	The point.
line	The line.

When the line is restricted to a segment and the orthogonal projection of the point onto the line falls outside this segment, the distance to the closest endpoint of the segment is returned instead.

◆ GetDistanceBetweenPointAndLine() [2/2]

float eVision.Legacy.ELine.GetDistanceBetweenPointAndLine	(	eVision.EPoint	pt,
		eVision.Legacy.ELine	line,
		bool	limited )

static

Computes the distance between a point and a line.

Parameters

pt	The point.
line	The line.
limited	Indicates if the line parameter should be considered as an infinite line or as a segment.

When the line is restricted to a segment and the orthogonal projection of the point onto the line falls outside this segment, the distance to the closest endpoint of the segment is returned instead.

◆ GetIntersectionOfLines() [1/2]

int eVision.Legacy.ELine.GetIntersectionOfLines	(	eVision.Legacy.ELine	line1,
		eVision.Legacy.ELine	line2,
		ref eVision.EPoint	intersection )

static

Computes the intersection between two lines.

Parameters

line1	First line.
line2	Second line.
intersection	Found intersection.

The function returns the number of intersections found. It will return -1 if the two lines are overlapping.

◆ GetIntersectionOfLines() [2/2]

int eVision.Legacy.ELine.GetIntersectionOfLines	(	eVision.Legacy.ELine	line1,
		eVision.Legacy.ELine	line2,
		ref eVision.EPoint	intersection,
		bool	limited )

static

Computes the intersection between two lines.

Parameters

line1	First line.
line2	Second line.
intersection	Found intersection.
limited	Indicates if the line parameters should be considered as infinite lines or as a segments.

The function returns the number of intersections found. It will return -1 if the two lines are overlapping.

◆ GetPoint()

eVision.EPoint eVision.Legacy.ELine.GetPoint ( float fraction )

Returns the coordinates of a point along the line.

Parameters

fraction Point location expressed as a fraction of the line length (range [-1, +1]).

◆ GetProjectionOfPointOnLine() [1/2]

eVision.EPoint eVision.Legacy.ELine.GetProjectionOfPointOnLine	(	eVision.EPoint	pt,
		eVision.Legacy.ELine	line )

static

Computes the projection of a point on a line.

Parameters

pt	The point.
line	The line.

When the line is restricted to a segment and the orthogonal projection of the point onto the line falls outside this segment, the closest endpoint of the segment is returned instead.

◆ GetProjectionOfPointOnLine() [2/2]

eVision.EPoint eVision.Legacy.ELine.GetProjectionOfPointOnLine	(	eVision.EPoint	pt,
		eVision.Legacy.ELine	line,
		bool	limited )

static

Computes the projection of a point on a line.

Parameters

pt	The point.
line	The line.
limited	Indicates if the line parameter should be considered as an infinite line or as a segment.

When the line is restricted to a segment and the orthogonal projection of the point onto the line falls outside this segment, the closest endpoint of the segment is returned instead.

◆ Load() [1/2]

new void eVision.Legacy.ELine.Load ( eVision.ESerializer serializer )

Load the ELine configuration. The given ESerializer must have been created for reading.

Parameters

serializer The serializer.

◆ Load() [2/2]

new void eVision.Legacy.ELine.Load ( string path )

Load the ELine configuration. The given ESerializer must have been created for reading.

Parameters

path	The file path.

◆ Save() [1/2]

new void eVision.Legacy.ELine.Save ( eVision.ESerializer serializer )

Save the ELine configuration. The given ESerializer must have been created for writing.

Parameters

serializer The serializer.

◆ Save() [2/2]

new void eVision.Legacy.ELine.Save ( string path )

Save the ELine configuration. The given ESerializer must have been created for writing.

Parameters

path	The file path.

◆ SetFromOriginAndEnd()

void eVision.Legacy.ELine.SetFromOriginAndEnd	(	eVision.EPoint	origin,
		eVision.EPoint	end )

Sets the geometric parameters (center coordinates, length, and rotation angle) of a ELine object.

Parameters

origin	Origin point coordinates of the line.
end	End point coordinates of the line.

◆ SetFromTwoPoints()

void eVision.Legacy.ELine.SetFromTwoPoints	(	eVision.EPoint	origin,
		eVision.EPoint	end )

Sets the geometric parameters (center coordinates, length, and rotation angle) of a ELine object.

Parameters

origin	Origin point coordinates of the line.
end	End point coordinates of the line.

Deprecated

Use ELine.SetFromOriginAndEnd.

Deprecated in version 25.10. Scheduled to be removed in version 27.6.

Property Documentation

◆ End

eVision.EPoint eVision.Legacy.ELine.End

get

End point coordinates of the ELine object.

◆ Length

float eVision.Legacy.ELine.Length

getset

Length of the ELine object.

By default, the length of the line is 100, which means 100 pixels when the field of view is not calibrated, and 100 physical units in case of a calibrated field of view.

◆ Org

eVision.EPoint eVision.Legacy.ELine.Org

get

Origin point coordinates of the ELine object.

Public Member Functions

Static Public Member Functions

Properties

Detailed Description

Constructor & Destructor Documentation

◆ ELine() [1/5]

◆ ELine() [2/5]

◆ ELine() [3/5]

◆ ELine() [4/5]

◆ ELine() [5/5]

Member Function Documentation

◆ CopyTo()

◆ GetAngleBetweenLines()

◆ GetDistanceBetweenPointAndLine() [1/2]

◆ GetDistanceBetweenPointAndLine() [2/2]

◆ GetIntersectionOfLines() [1/2]

◆ GetIntersectionOfLines() [2/2]

◆ GetPoint()

◆ GetProjectionOfPointOnLine() [1/2]

◆ GetProjectionOfPointOnLine() [2/2]

◆ Load() [1/2]

◆ Load() [2/2]

◆ Save() [1/2]

◆ Save() [2/2]

◆ SetFromOriginAndEnd()

◆ SetFromTwoPoints()

Property Documentation

◆ End

◆ Length

◆ Org