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

Inheritance diagram for eVision.ELine:

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Collaboration diagram for eVision.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.ELine other)
	Constructs a ELine object.
	ELine (eVision.Legacy.ELine other)
	Constructs a ELine object.
void	CopyTo (eVision.ELine other)
	Copy the ELine to other.
void	SetFromOriginAndEnd (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.EShape
void	Load (string path)
	Load the EShape configuration. The given ESerializer must have been created for reading.
void	Load (eVision.ESerializer serializer)
	Load the EShape configuration. The given ESerializer must have been created for reading.
void	Save (string path)
	Save the EShape configuration. The given ESerializer must have been created for writing.
void	Save (eVision.ESerializer serializer)
	Save the EShape configuration. The given ESerializer must have been created for writing.
void	Draw (eVision.EDrawAdapter drawAdapter, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draws the EShape shape.
void	Draw (eVision.EDrawAdapter drawAdapter, float zoomX, float zoomY, float panX, float panY)
	Draws the EShape shape.
void	Draw (eVision.EDrawAdapter drawAdapter, float zoomX, float zoomY, float panX)
	Draws the EShape shape.
void	Draw (eVision.EDrawAdapter drawAdapter, float zoomX, float zoomY)
	Draws the EShape shape.
void	Draw (eVision.EDrawAdapter drawAdapter, float zoomX)
	Draws the EShape shape.
void	Draw (eVision.EDrawAdapter drawAdapter)
	Draws the EShape shape.
void	Draw (eVision.EDrawAdapter drawAdapter, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draws the EShape shape.
void	Draw (eVision.EDrawAdapter drawAdapter, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draws the EShape shape.
void	Draw (eVision.EDrawAdapter drawAdapter, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draws the EShape shape.
void	Draw (eVision.EDrawAdapter drawAdapter, eVision.EFrame frame, float zoomX, float zoomY)
	Draws the EShape shape.
void	Draw (eVision.EDrawAdapter drawAdapter, eVision.EFrame frame, float zoomX)
	Draws the EShape shape.
void	Draw (eVision.EDrawAdapter drawAdapter, eVision.EFrame frame)
	Draws the EShape shape.
eVision.EEditionMode	HitTest (int x, int y, float zoomX, float zoomY, float panX, float panY)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (int x, int y, float zoomX, float zoomY, float panX)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (int x, int y, float zoomX, float zoomY)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (int x, int y, float zoomX)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (int x, int y, eVision.EFrame frame, float zoomX, float zoomY)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (int x, int y, eVision.EFrame frame, float zoomX)
	Detects if the cursor is placed over one of the dragging handles.
void	Drag (int x, int y, float zoomX, float zoomY, float panX, float panY)
	Moves the specified handle to a new position and updates all placement parameters of the region.
void	Drag (int x, int y, float zoomX, float zoomY, float panX)
	Moves the specified handle to a new position and updates all placement parameters of the region.
void	Drag (int x, int y, float zoomX, float zoomY)
	Moves the specified handle to a new position and updates all placement parameters of the region.
void	Drag (int x, int y, float zoomX)
	Moves the specified handle to a new position and updates all placement parameters of the region.
void	Drag (int x, int y)
	Moves the specified handle to a new position and updates all placement parameters of the region.
void	Drag (int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Moves the specified handle to a new position and updates all placement parameters of the region.
void	Drag (int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Moves the specified handle to a new position and updates all placement parameters of the region.
void	Drag (int x, int y, eVision.EFrame frame, float zoomX, float zoomY)
	Moves the specified handle to a new position and updates all placement parameters of the region.
void	Drag (int x, int y, eVision.EFrame frame, float zoomX)
	Moves the specified handle to a new position and updates all placement parameters of the region.
void	Drag (int x, int y, eVision.EFrame frame)
	Moves the specified handle to a new position and updates all placement parameters of the region.
eVision.EFrame	ToFrame (bool useAngle, eVision.EFrameScaling frameScaling)
	Converts the shape to a frame.
eVision.EFrame	ToFrame (bool useAngle, eVision.EFrameScaling frameScaling, eVision.EFrame shapeFrame)
	Converts the shape to a frame.

Static Public Member Functions
static float	GetAngleBetweenLines (eVision.ELine line1, eVision.ELine line2)
	Computes the angle between two lines.
static float	GetDistanceBetweenPointAndLine (eVision.EPoint pt, eVision.ELine line, bool limited)
	Computes the distance between a point and a line.
static float	GetDistanceBetweenPointAndLine (eVision.EPoint pt, eVision.ELine line)
	Computes the distance between a point and a line.
static eVision.EPoint	GetProjectionOfPointOnLine (eVision.EPoint pt, eVision.ELine line, bool limited)
	Computes the projection of a point on a line.
static eVision.EPoint	GetProjectionOfPointOnLine (eVision.EPoint pt, eVision.ELine line)
	Computes the projection of a point on a line.
static int	GetIntersectionOfLines (eVision.ELine line1, eVision.ELine line2, ref eVision.EPoint intersection, bool limited)
	Computes the intersection between two lines.
static int	GetIntersectionOfLines (eVision.ELine line1, eVision.ELine line2, ref eVision.EPoint intersection)
	Computes the intersection between two lines.

Properties
eVision.EPoint	Center `[get, set]`
	Center of the line.
float	CenterX `[get, set]`
	Abscissa of the center of the ELine.
float	CenterY `[get, set]`
	Ordinate of the center of the ELine.
float	Angle `[get, set]`
	Orientation of the line.
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.
override eVision.EEditionMode	AvailableEditionModes `[get]`
	Available edition modes for the shape.
override string	Description `[get]`
	Textual description of the shape and its parameters.
Properties inherited from eVision.EShape
eVision.EEditionMode	EditionMode `[get, set]`
	Current edition mode for the shape. Default: EEditionMode_None.
eVision.EEditionMode	AvailableEditionModes `[get]`
	Available edition modes for the shape.
string	Description `[get]`
	Textual description of the shape and its parameters.

Detailed Description

Represents a model of a line segment.

License(s): BasicTypes

Constructor & Destructor Documentation

◆ ELine() [1/6]

eVision.ELine.ELine ( )

Constructs a ELine object.

◆ ELine() [2/6]

eVision.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() [3/6]

eVision.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() [4/6]

eVision.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() [5/6]

eVision.ELine.ELine ( eVision.ELine other )

Constructs a ELine object.

Parameters

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

◆ ELine() [6/6]

eVision.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.ELine.CopyTo ( eVision.ELine other )

Copy the ELine to other.

Parameters

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

◆ GetAngleBetweenLines()

float eVision.ELine.GetAngleBetweenLines	(	eVision.ELine	line1,
		eVision.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.ELine.GetDistanceBetweenPointAndLine	(	eVision.EPoint	pt,
		eVision.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.ELine.GetDistanceBetweenPointAndLine	(	eVision.EPoint	pt,
		eVision.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.ELine.GetIntersectionOfLines	(	eVision.ELine	line1,
		eVision.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.ELine.GetIntersectionOfLines	(	eVision.ELine	line1,
		eVision.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.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.ELine.GetProjectionOfPointOnLine	(	eVision.EPoint	pt,
		eVision.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.ELine.GetProjectionOfPointOnLine	(	eVision.EPoint	pt,
		eVision.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.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.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.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.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.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.

Property Documentation

◆ Angle

float eVision.ELine.Angle

getset

Orientation of the line.

◆ AvailableEditionModes

override eVision.EEditionMode eVision.ELine.AvailableEditionModes

get

Available edition modes for the shape.

◆ Center

eVision.EPoint eVision.ELine.Center

getset

Center of the line.

◆ CenterX

float eVision.ELine.CenterX

getset

Abscissa of the center of the ELine.

◆ CenterY

float eVision.ELine.CenterY

getset

Ordinate of the center of the ELine.

◆ Description

override string eVision.ELine.Description

get

Textual description of the shape and its parameters.

◆ End

eVision.EPoint eVision.ELine.End

get

End point coordinates of the ELine object.

◆ Length

float eVision.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.ELine.Org

get

Origin point coordinates of the ELine object.

Public Member Functions

Static Public Member Functions

Properties

Detailed Description

Constructor & Destructor Documentation

◆ ELine() [1/6]

◆ ELine() [2/6]

◆ ELine() [3/6]

◆ ELine() [4/6]

◆ ELine() [5/6]

◆ ELine() [6/6]

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()

Property Documentation

◆ Angle

◆ AvailableEditionModes

◆ Center

◆ CenterX

◆ CenterY

◆ Description

◆ End

◆ Length

◆ Org