This class encapsulates either an object or a hole in an object, in a coded image. More...

Inheritance diagram for eVision.ECodedElement:

Collaboration diagram for eVision.ECodedElement:

Public Member Functions
	ECodedElement (eVision.ECodedElement other)
	Copy constructor.
eVision.ECodedElement	GetHole (uint index)
	Returns a specified hole in the object.
eVision.ERegion	ToRegion ()
	Creates an ERegion from the ECodedElement. The ERegion represents all the pixels which are within the bounding box of the Pattern.
eVision.EFrame	ToFrame (bool useAngle, eVision.EFrameScaling frameScaling)
	Creates an EFrame from the ECodedElement. The parameters of the frame are determined by the ellipse of inertia.
eVision.EFrame	ToFrame (bool useAngle, eVision.EFrameScaling frameScaling, eVision.EFrame inputFrame)
	Creates an EFrame from the ECodedElement. The parameters of the frame are determined by the ellipse of inertia.
double	GetMoment (uint p, uint q)
	Computes the raw, two-dimensional moment of order (p,q).
float	GetNormalizedCentralMoment (uint p, uint q)
	Computes the scale-invariant, central, two-dimensional moment of order (p,q).
float	GetCentralMoment (uint p, uint q)
	Computes the central, two-dimensional moment of order (p,q).
eVision.ERotatedBoundingBox	ComputeFeretBox (float angle)
	Computes the Feret box at a specific orientation.
void	ComputeConvexHull (eVision.EPathVector result)
	Computes the convex hull of the coded element.
eVision.EBW8	ComputePixelMin (eVision.EROIBW8 image)
	Computes the minimum gray level of the pixels of a given image over the coded element.
eVision.EBW8	ComputePixelMax (eVision.EROIBW8 image)
	Computes the maximum gray level of the pixels of a given image over the coded element.
float	ComputePixelGrayAverage (eVision.EROIBW8 image)
	Computes the average gray-level value of the pixels of a given image over the coded element.
float	ComputePixelGrayDeviation (eVision.EROIBW8 image)
	Computes the standard deviation of the gray-level values of a given image over the coded element.
double	ComputePixelGrayVariance (eVision.EROIBW8 image)
	Computes the variance of the gray-level values of a given image over the coded element.
eVision.EPoint	ComputeWeightedGravityCenter (eVision.EROIBW8 image)
	Computes the gravity center of a given image over the coded element.
void	RenderMask (eVision.EROIBW8 destination, int offsetX, int offsetY)
	Creates a Flexible Mask from the coded element.
void	RenderMask (eVision.EROIBW8 destination)
	Creates a Flexible Mask from the coded element.
void	Draw (eVision.EDrawAdapter drawAdapter, float zoomX, float zoomY, float panX, float panY)
	Draw the ECodedElement.
void	Draw (eVision.EDrawAdapter drawAdapter, float zoomX, float zoomY, float panX)
	Draw the ECodedElement.
void	Draw (eVision.EDrawAdapter drawAdapter, float zoomX, float zoomY)
	Draw the ECodedElement.
void	Draw (eVision.EDrawAdapter drawAdapter, float zoomX)
	Draw the ECodedElement.
void	Draw (eVision.EDrawAdapter drawAdapter)
	Draw the ECodedElement.
void	Draw (eVision.EDrawAdapter drawAdapter, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draw the ECodedElement.
void	Draw (eVision.EDrawAdapter drawAdapter, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draw the ECodedElement.
void	Draw (eVision.EDrawAdapter drawAdapter, eVision.EFrame frame, float zoomX, float zoomY)
	Draw the ECodedElement.
void	Draw (eVision.EDrawAdapter drawAdapter, eVision.EFrame frame, float zoomX)
	Draw the ECodedElement.
void	Draw (eVision.EDrawAdapter drawAdapter, eVision.EFrame frame)
	Draw the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draw a given feature of the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature, float zoomX, float zoomY, float panX)
	Draw a given feature of the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature, float zoomX, float zoomY)
	Draw a given feature of the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature, float zoomX)
	Draw a given feature of the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature)
	Draw a given feature of the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draw a given feature of the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draw a given feature of the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame, float zoomX, float zoomY)
	Draw a given feature of the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame, float zoomX)
	Draw a given feature of the ECodedElement.
void	DrawFeature (eVision.EDrawAdapter drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle, float zoomX, float zoomY, float panX)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle, float zoomX, float zoomY)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle, float zoomX)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle, eVision.EFrame frame, float zoomX, float zoomY)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle, eVision.EFrame frame, float zoomX)
	Draw a given feature of the ECodedElement.
void	DrawFeretBox (eVision.EDrawAdapter drawAdapter, float feretAngle, eVision.EFrame frame)
	Draw a given feature of the ECodedElement.
void	DrawWeightedGravityCenter (eVision.EDrawAdapter drawAdapter, eVision.EROIBW8 image, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the ECodedElement.
void	DrawWeightedGravityCenter (eVision.EDrawAdapter drawAdapter, eVision.EROIBW8 image, float zoomX, float zoomY, float panX)
	Draw a given feature of the ECodedElement.
void	DrawWeightedGravityCenter (eVision.EDrawAdapter drawAdapter, eVision.EROIBW8 image, float zoomX, float zoomY)
	Draw a given feature of the ECodedElement.
void	DrawWeightedGravityCenter (eVision.EDrawAdapter drawAdapter, eVision.EROIBW8 image, float zoomX)
	Draw a given feature of the ECodedElement.
void	DrawWeightedGravityCenter (eVision.EDrawAdapter drawAdapter, eVision.EROIBW8 image)
	Draw a given feature of the ECodedElement.
void	DrawWeightedGravityCenter (eVision.EDrawAdapter drawAdapter, eVision.EROIBW8 image, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the ECodedElement.
void	DrawWeightedGravityCenter (eVision.EDrawAdapter drawAdapter, eVision.EROIBW8 image, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draw a given feature of the ECodedElement.
void	DrawWeightedGravityCenter (eVision.EDrawAdapter drawAdapter, eVision.EROIBW8 image, eVision.EFrame frame, float zoomX, float zoomY)
	Draw a given feature of the ECodedElement.
void	DrawWeightedGravityCenter (eVision.EDrawAdapter drawAdapter, eVision.EROIBW8 image, eVision.EFrame frame, float zoomX)
	Draw a given feature of the ECodedElement.
void	DrawWeightedGravityCenter (eVision.EDrawAdapter drawAdapter, eVision.EROIBW8 image, eVision.EFrame frame)
	Draw a given feature of the ECodedElement.

Properties
uint	HoleCount `[get]`
	Returns the number of holes in the object.
eVision.ECodedElement[]	Holes `[get]`
	Returns all holes for the given object.
uint	ParentObjectIndex `[get]`
	Returns the index of the parent object of the hole.
eVision.EFrame	Frame `[get, set]`
	Sets the frame in which the region was defined.
eVision.EObjectRunsIterator	RunsIterator `[get]`
	Returns an iterator to the runs of the coded element.
bool	IsHole `[get]`
	Tests whether the coded element is an object, a hole or a coded element.
bool	IsObject `[get]`
	Tests whether the coded element is an object, a hole or a coded element.
bool	IsCodedElement `[get]`
	Tests whether the coded element is an object, a hole or a coded element.
uint	ElementIndex `[get]`
	Returns the index of the coded element.
uint	LayerIndex `[get]`
	Returns the index of the layer in the coded image to which the coded element belongs.
uint	RunCount `[get]`
	Returns the number of runs inside the coded element.
uint	Area `[get]`
	Returns the number of pixels inside the coded element.
uint	LargestRun `[get]`
	Returns the length of the largest run inside the coded element.
float	GravityCenterX `[get]`
	Returns the abscissa of the gravity center of the coded element.
float	GravityCenterY `[get]`
	Returns the ordinate of the gravity center of the coded element.
eVision.EPoint	GravityCenter `[get]`
	Returns the gravity center of the coded element.
int	LeftLimit `[get]`
	Returns the lowest (integer) X-coordinate of all the pixels of the coded element.
int	TopLimit `[get]`
	Returns the lowest (integer) Y-coordinate of all the pixels of the coded element.
int	RightLimit `[get]`
	Returns the highest (integer) X-coordinate of all the pixels of the coded element.
int	BottomLimit `[get]`
	Returns the highest (integer) Y-coordinate of all the pixels of the coded element.
float	BoundingBoxCenterX `[get]`
	Returns the abscissa of the center of the bounding box of the coded element.
float	BoundingBoxCenterY `[get]`
	Returns the ordinate of the center of the bounding box of the coded element.
eVision.EPoint	BoundingBoxCenter `[get]`
	Returns the coordinates of the center of the bounding box of the coded element.
float	BoundingBoxWidth `[get]`
	Returns the width of the bounding box (Feret diameter at 0 degrees).
float	BoundingBoxHeight `[get]`
	Returns the height of the bounding box (Feret diameter at 90 degrees).
float	EllipseWidth `[get]`
	Returns the length of the long axis of the ellipse of inertia.
float	EllipseHeight `[get]`
	Returns the length of the short axis of the ellipse of inertia.
float	EllipseAngle `[get]`
	Returns the angle of the ellipse of inertia.
float	Eccentricity `[get]`
	Returns the eccentricity of the ellipse of inertia.
float	FeretBox22CenterX `[get]`
	Returns the abscissa of the center of the Feret box oriented at 22.5 degrees.
float	FeretBox22CenterY `[get]`
	Returns the ordinate of the center of the Feret box oriented at 22.5 degrees.
eVision.EPoint	FeretBox22Center `[get]`
	Returns the coordinates of the center of the Feret box oriented at 22.5 degrees.
float	FeretBox22Width `[get]`
	Returns the width of the Feret box oriented at 22.5 degrees (Feret diameter at 22.5 degrees).
float	FeretBox22Height `[get]`
	Returns the height of the Feret box oriented at 22.5 degrees (Feret diameter at 112.5 degrees).
float	FeretBox45CenterX `[get]`
	Returns the abscissa of the center of the Feret box oriented at 45 degrees.
float	FeretBox45CenterY `[get]`
	Returns the ordinate of the center of the Feret box oriented at 45 degrees.
eVision.EPoint	FeretBox45Center `[get]`
	Returns the coordinates of the center of the Feret box oriented at 45 degrees.
float	FeretBox45Width `[get]`
	Returns the width of the Feret box oriented at 45 degrees (Feret diameter at 45 degrees).
float	FeretBox45Height `[get]`
	Returns the height of the Feret box oriented at 45 degrees (Feret diameter at 135 degrees).
float	FeretBox68CenterX `[get]`
	Returns the abscissa of the center of the Feret box oriented at 67.5 degrees.
float	FeretBox68CenterY `[get]`
	Returns the ordinate of the center of the Feret box oriented at 67.5 degrees.
eVision.EPoint	FeretBox68Center `[get]`
	Returns the coordinates of the center of the Feret box oriented at 67.5 degrees.
float	FeretBox68Width `[get]`
	Returns the width of the Feret box oriented at 67.5 degrees (Feret diameter at 67.5 degrees).
float	FeretBox68Height `[get]`
	Returns the height of the Feret box oriented at 67.5 degrees (Feret diameter at 157.5 degrees).
float	MinimumEnclosingRectangleCenterX `[get]`
	Returns the abscissa of the center of the Minimum-Area Enclosing Rectangle.
float	MinimumEnclosingRectangleCenterY `[get]`
	Returns the ordinate of the center of the Minimum-Area Enclosing Rectangle.
eVision.EPoint	MinimumEnclosingRectangleCenter `[get]`
	Returns the coordinates of the center of the Minimum-Area Enclosing Rectangle.
float	MinimumEnclosingRectangleWidth `[get]`
	Returns the width of the Minimum-Area Enclosing Rectangle.
float	MinimumEnclosingRectangleHeight `[get]`
	Returns the height of the Minimum-Area Enclosing Rectangle.
float	MinimumEnclosingRectangleAngle `[get]`
	Returns the angle of the Minimum-Area Enclosing Rectangle.
eVision.ERotatedBoundingBox	MinimumEnclosingRectangle `[get]`
	Returns the Minimum-Area Enclosing Rectangle.
eVision.ERotatedBoundingBox	BoundingBox `[get]`
	Returns the bounding box of the coded element (Feret box at orientation 0 degrees).
eVision.ERotatedBoundingBox	FeretBox22Box `[get]`
	Returns the Feret box at orientation 22.5 degrees.
eVision.ERotatedBoundingBox	FeretBox45Box `[get]`
	Returns the Feret box at orientation 45 degrees.
eVision.ERotatedBoundingBox	FeretBox68Box `[get]`
	Returns the Feret box at orientation 67.5 degrees.
float	SigmaX `[get]`
	Returns the centered moment of inertia around X. This is equal to the average squared Y-deviation (variance on Y). It can be expressed in terms of central moment as CentralMoment(0, 2) / Area.
float	SigmaY `[get]`
	Returns the centered moment of inertia around Y. This is equal to the average squared X-deviation (variance on X). It can be expressed in terms of central moment as CentralMoment(2, 0) / Area.
float	SigmaXY `[get]`
	Returns the centered product of inertia. The is equal to the covariance of the X and Y pixel coordinates. It can be expressed in terms of central moment as CentralMoment(1, 1) / Area.
float	SigmaXX `[get]`
	Returns the first centered principal moment of inertia.
float	SigmaYY `[get]`
	Returns the second centered principal moment of inertia.
int	ContourX `[get]`
	Returns the abscissa of the starting point of the countour of the coded element.
int	ContourY `[get]`
	Returns the ordinate of the starting point of the countour of the coded element.
eVision.EPoint	Contour `[get]`
	Returns the coordinates of the starting point of the countour of the coded element.
eVision.EPathVector	ContourPath `[get]`
	Returns the contour path.
eVision.EPathVector	ConvexHull `[get]`
	Gets the convex hull of the coded element.

Detailed Description

This class encapsulates either an object or a hole in an object, in a coded image.

This abstract class provides a large set of methods applicable to a particular coded element. The set includes methods to get the features of a coded element, to draw coded elements, and to render flexible masks.

License(s): EasyObject

Constructor & Destructor Documentation

◆ ECodedElement()

eVision.ECodedElement.ECodedElement ( eVision.ECodedElement other )

Copy constructor.

Parameters

other Other ECodedElement to copy

Member Function Documentation

◆ ComputeConvexHull()

void eVision.ECodedElement.ComputeConvexHull ( eVision.EPathVector result )

Computes the convex hull of the coded element.

Parameters

result The output vector where to store the convex hull.

◆ ComputeFeretBox()

eVision.ERotatedBoundingBox eVision.ECodedElement.ComputeFeretBox ( float angle )

Computes the Feret box at a specific orientation.

Parameters

angle The orientation of interest (in the current angle units).

The angle of the Feret box is the angle made between the X-axis and the width side of the box as shown in the image below:

◆ ComputePixelGrayAverage()

float eVision.ECodedElement.ComputePixelGrayAverage ( eVision.EROIBW8 image )

Computes the average gray-level value of the pixels of a given image over the coded element.

Parameters

image The input image.

◆ ComputePixelGrayDeviation()

float eVision.ECodedElement.ComputePixelGrayDeviation ( eVision.EROIBW8 image )

Computes the standard deviation of the gray-level values of a given image over the coded element.

Parameters

image The input image.

◆ ComputePixelGrayVariance()

double eVision.ECodedElement.ComputePixelGrayVariance ( eVision.EROIBW8 image )

Computes the variance of the gray-level values of a given image over the coded element.

Parameters

image The input image.

◆ ComputePixelMax()

eVision.EBW8 eVision.ECodedElement.ComputePixelMax ( eVision.EROIBW8 image )

Computes the maximum gray level of the pixels of a given image over the coded element.

Parameters

image The input image.

◆ ComputePixelMin()

eVision.EBW8 eVision.ECodedElement.ComputePixelMin ( eVision.EROIBW8 image )

Computes the minimum gray level of the pixels of a given image over the coded element.

Parameters

image The input image.

◆ ComputeWeightedGravityCenter()

eVision.EPoint eVision.ECodedElement.ComputeWeightedGravityCenter ( eVision.EROIBW8 image )

Computes the gravity center of a given image over the coded element.

Parameters

image The input image.

◆ Draw() [1/10]

void eVision.ECodedElement.Draw ( eVision.EDrawAdapter drawAdapter )

Draw the ECodedElement.

Parameters

drawAdapter Graphic context on which to draw.

◆ Draw() [2/10]

void eVision.ECodedElement.Draw	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EFrame	frame )

Draw the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
frame	Frame of reference used to compute the coded image.

◆ Draw() [3/10]

void eVision.ECodedElement.Draw	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EFrame	frame,
		float	zoomX )

Draw the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.

◆ Draw() [4/10]

void eVision.ECodedElement.Draw	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Draw the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.

◆ Draw() [5/10]

void eVision.ECodedElement.Draw	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.

◆ Draw() [6/10]

void eVision.ECodedElement.Draw	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.

◆ Draw() [7/10]

void eVision.ECodedElement.Draw	(	eVision.EDrawAdapter	drawAdapter,
		float	zoomX )

Draw the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
zoomX	Horizontal zooming factor. By default, true scale is used.

◆ Draw() [8/10]

void eVision.ECodedElement.Draw	(	eVision.EDrawAdapter	drawAdapter,
		float	zoomX,
		float	zoomY )

Draw the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.

◆ Draw() [9/10]

void eVision.ECodedElement.Draw	(	eVision.EDrawAdapter	drawAdapter,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.

◆ Draw() [10/10]

void eVision.ECodedElement.Draw	(	eVision.EDrawAdapter	drawAdapter,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.

◆ DrawFeature() [1/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeature() [2/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.
frame	Frame of reference used to compute the coded image.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeature() [3/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame,
		float	zoomX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeature() [4/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeature() [5/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeature() [6/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeature() [7/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.
drawDiagonals	Specifies whether or not the diagonals of the ellipses and of the rectangles are to be drawn. Defaults to false.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeature() [8/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature,
		float	zoomX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.
zoomX	Horizontal zooming factor. By default, true scale is used.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeature() [9/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature,
		float	zoomX,
		float	zoomY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeature() [10/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeature() [11/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeature() [12/12]

void eVision.ECodedElement.DrawFeature	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EDrawableFeature	feature,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feature	The feature of interest.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.
drawDiagonals	Specifies whether or not the diagonals of the ellipses and of the rectangles are to be drawn. Defaults to false.

Call the methods ECodedElement.DrawFeretBox and ECodedElement.DrawWeightedGravityCenter to draw the features EDrawableFeature.EDrawableFeature_FeretBox and EDrawableFeature.EDrawableFeature_WeightedGravityCenter.

◆ DrawFeretBox() [1/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.

◆ DrawFeretBox() [2/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.
frame	Frame of reference used to compute the coded image.

◆ DrawFeretBox() [3/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame,
		float	zoomX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.

◆ DrawFeretBox() [4/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.

◆ DrawFeretBox() [5/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.

◆ DrawFeretBox() [6/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.

◆ DrawFeretBox() [7/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.
drawDiagonals	Specifies whether or not the diagonals of the ellipses and of the rectangles are to be drawn. Defaults to false.

◆ DrawFeretBox() [8/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle,
		float	zoomX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.
zoomX	Horizontal zooming factor. By default, true scale is used.

◆ DrawFeretBox() [9/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle,
		float	zoomX,
		float	zoomY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.

◆ DrawFeretBox() [10/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.

◆ DrawFeretBox() [11/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.

◆ DrawFeretBox() [12/12]

void eVision.ECodedElement.DrawFeretBox	(	eVision.EDrawAdapter	drawAdapter,
		float	feretAngle,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
feretAngle	The angle of the bounding box.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.
drawDiagonals	Specifies whether or not the diagonals of the ellipses and of the rectangles are to be drawn. Defaults to false.

◆ DrawWeightedGravityCenter() [1/10]

void eVision.ECodedElement.DrawWeightedGravityCenter	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EROIBW8	image )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
image	The image to compute the weights for the gravity center.

◆ DrawWeightedGravityCenter() [2/10]

void eVision.ECodedElement.DrawWeightedGravityCenter	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EROIBW8	image,
		eVision.EFrame	frame )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
image	The image to compute the weights for the gravity center.
frame	Frame of reference used to compute the coded image.

◆ DrawWeightedGravityCenter() [3/10]

void eVision.ECodedElement.DrawWeightedGravityCenter	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EROIBW8	image,
		eVision.EFrame	frame,
		float	zoomX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
image	The image to compute the weights for the gravity center.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.

◆ DrawWeightedGravityCenter() [4/10]

void eVision.ECodedElement.DrawWeightedGravityCenter	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EROIBW8	image,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
image	The image to compute the weights for the gravity center.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.

◆ DrawWeightedGravityCenter() [5/10]

void eVision.ECodedElement.DrawWeightedGravityCenter	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EROIBW8	image,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
image	The image to compute the weights for the gravity center.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.

◆ DrawWeightedGravityCenter() [6/10]

void eVision.ECodedElement.DrawWeightedGravityCenter	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EROIBW8	image,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
image	The image to compute the weights for the gravity center.
frame	Frame of reference used to compute the coded image.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.

◆ DrawWeightedGravityCenter() [7/10]

void eVision.ECodedElement.DrawWeightedGravityCenter	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EROIBW8	image,
		float	zoomX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
image	The image to compute the weights for the gravity center.
zoomX	Horizontal zooming factor. By default, true scale is used.

◆ DrawWeightedGravityCenter() [8/10]

void eVision.ECodedElement.DrawWeightedGravityCenter	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EROIBW8	image,
		float	zoomX,
		float	zoomY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
image	The image to compute the weights for the gravity center.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.

◆ DrawWeightedGravityCenter() [9/10]

void eVision.ECodedElement.DrawWeightedGravityCenter	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EROIBW8	image,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
image	The image to compute the weights for the gravity center.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.

◆ DrawWeightedGravityCenter() [10/10]

void eVision.ECodedElement.DrawWeightedGravityCenter	(	eVision.EDrawAdapter	drawAdapter,
		eVision.EROIBW8	image,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the ECodedElement.

Parameters

drawAdapter	Graphic context on which to draw.
image	The image to compute the weights for the gravity center.
zoomX	Horizontal zooming factor. By default, true scale is used.
zoomY	Vertical zooming factor. If set to 0 (default), the horizontal zooming factor is used instead, so as to provide isotropic zooming.
panX	Horizontal panning value expressed in pixels. By default, no panning occurs.
panY	Vertical panning value expressed in pixels. By default, no panning occurs.

◆ GetCentralMoment()

float eVision.ECodedElement.GetCentralMoment	(	uint	p,
		uint	q )

Computes the central, two-dimensional moment of order (p,q).

Parameters

p	Order of the moment along the X-axis.
q	Order of the moment along the Y-axis.

\(\mu_{pq} = \sum_{x} \sum_{y} (x - \bar{x})^p(y - \bar{y})^q I(x,y)\)

◆ GetHole()

eVision.ECodedElement eVision.ECodedElement.GetHole ( uint index )

Returns a specified hole in the object.

Parameters

index The index of the hole of interest.

◆ GetMoment()

double eVision.ECodedElement.GetMoment	(	uint	p,
		uint	q )

Computes the raw, two-dimensional moment of order (p,q).

Parameters

p	Order of the moment along the X-axis.
q	Order of the moment along the Y-axis.

\(M_{pq} = \sum_x \sum_y x^p y^q I(x,y)\)

◆ GetNormalizedCentralMoment()

float eVision.ECodedElement.GetNormalizedCentralMoment	(	uint	p,
		uint	q )

Computes the scale-invariant, central, two-dimensional moment of order (p,q).

Parameters

p	Order of the moment along the X-axis.
q	Order of the moment along the Y-axis.

\(\eta_{pq} = \frac{\mu_{pq}} {\mu_{00}^{\left(1 + \frac{p+q}{2}\right)}}\)

◆ RenderMask() [1/2]

void eVision.ECodedElement.RenderMask ( eVision.EROIBW8 destination )

Creates a Flexible Mask from the coded element.

Parameters

destination The image in which the generated mask will be stored.

The size of the result image will not be changed: It must be properly sized beforehand.

◆ RenderMask() [2/2]

void eVision.ECodedElement.RenderMask	(	eVision.EROIBW8	destination,
		int	offsetX,
		int	offsetY )

Creates a Flexible Mask from the coded element.

Parameters

destination	The image in which the generated mask will be stored.
offsetX	The X-offset that must be applied to bring the zero X-coordinate in the coded image on the first column of the result image (defaults to zero).
offsetY	The Y-offset that must be applied to bring the zero Y-coordinate in the coded image on the first row of the result image (defaults to zero).

The size of the result image will not be changed: It must be properly sized beforehand.

◆ ToFrame() [1/2]

eVision.EFrame eVision.ECodedElement.ToFrame	(	bool	useAngle,
		eVision.EFrameScaling	frameScaling )

Creates an EFrame from the ECodedElement. The parameters of the frame are determined by the ellipse of inertia.

Parameters

useAngle	Whether to use the angle of the EFoundPattern in the frame.
frameScaling	How to handle the scale of the frame.

◆ ToFrame() [2/2]

eVision.EFrame eVision.ECodedElement.ToFrame	(	bool	useAngle,
		eVision.EFrameScaling	frameScaling,
		eVision.EFrame	inputFrame )

Creates an EFrame from the ECodedElement. The parameters of the frame are determined by the ellipse of inertia.

Parameters

useAngle	Whether to use the angle of the EFoundPattern in the frame.
frameScaling	How to handle the scale of the frame.
inputFrame	Parent frame. Used when the ECodedElement was read using a frame.

◆ ToRegion()

eVision.ERegion eVision.ECodedElement.ToRegion ( )

Creates an ERegion from the ECodedElement. The ERegion represents all the pixels which are within the bounding box of the Pattern.

Property Documentation

◆ Area

uint eVision.ECodedElement.Area

get

Returns the number of pixels inside the coded element.

Equivalently, the area corresponds to the sum of the length of the runs of the coded element.

◆ BottomLimit

int eVision.ECodedElement.BottomLimit

get

Returns the highest (integer) Y-coordinate of all the pixels of the coded element.

For a coded element \(E\), this value is defined as: \(\left\lceil \max \left\{ y \mid (\exists x) (x,y) \in E \right\} \right\rceil \)

◆ BoundingBox

eVision.ERotatedBoundingBox eVision.ECodedElement.BoundingBox

get

Returns the bounding box of the coded element (Feret box at orientation 0 degrees).

◆ BoundingBoxCenter

eVision.EPoint eVision.ECodedElement.BoundingBoxCenter

get

Returns the coordinates of the center of the bounding box of the coded element.

◆ BoundingBoxCenterX

float eVision.ECodedElement.BoundingBoxCenterX

get

Returns the abscissa of the center of the bounding box of the coded element.

◆ BoundingBoxCenterY

float eVision.ECodedElement.BoundingBoxCenterY

get

Returns the ordinate of the center of the bounding box of the coded element.

◆ BoundingBoxHeight

float eVision.ECodedElement.BoundingBoxHeight

get

Returns the height of the bounding box (Feret diameter at 90 degrees).

◆ BoundingBoxWidth

float eVision.ECodedElement.BoundingBoxWidth

get

Returns the width of the bounding box (Feret diameter at 0 degrees).

◆ Contour

eVision.EPoint eVision.ECodedElement.Contour

get

Returns the coordinates of the starting point of the countour of the coded element.

More precisely, the leftmost pixel over the topmost row of the coded element is taken into consideration.

◆ ContourPath

eVision.EPathVector eVision.ECodedElement.ContourPath

get

Returns the contour path.

The contour paths is computed using EContourMode_ClockwiseAlwaysClosed.

◆ ContourX

int eVision.ECodedElement.ContourX

get

Returns the abscissa of the starting point of the countour of the coded element.

◆ ContourY

int eVision.ECodedElement.ContourY

get

Returns the ordinate of the starting point of the countour of the coded element.

◆ ConvexHull

eVision.EPathVector eVision.ECodedElement.ConvexHull

get

Gets the convex hull of the coded element.

◆ Eccentricity

float eVision.ECodedElement.Eccentricity

get

Returns the eccentricity of the ellipse of inertia.

The ellipse of inertia is defined as the ellipse that has the same second order moments as the original coded element. The eccentricity is zero for circular objects and one for a line-shaped objects.

◆ ElementIndex

uint eVision.ECodedElement.ElementIndex

get

Returns the index of the coded element.

If the coded element is an object, its index is relative to the layer to which it belongs. If the coded element is a hole, its index is relative to its parent object.

◆ EllipseAngle

float eVision.ECodedElement.EllipseAngle

get

Returns the angle of the ellipse of inertia.

The ellipse of inertia is defined as the ellipse that has the same second order moments as the original coded element.

◆ EllipseHeight

float eVision.ECodedElement.EllipseHeight

get

Returns the length of the short axis of the ellipse of inertia.

The ellipse of inertia is defined as the ellipse that has the same second order moments as the original coded element.

◆ EllipseWidth

float eVision.ECodedElement.EllipseWidth

get

Returns the length of the long axis of the ellipse of inertia.

The ellipse of inertia is defined as the ellipse that has the same second order moments as the original coded element.

◆ FeretBox22Box

eVision.ERotatedBoundingBox eVision.ECodedElement.FeretBox22Box

get

Returns the Feret box at orientation 22.5 degrees.

◆ FeretBox22Center

eVision.EPoint eVision.ECodedElement.FeretBox22Center

get

Returns the coordinates of the center of the Feret box oriented at 22.5 degrees.

◆ FeretBox22CenterX

float eVision.ECodedElement.FeretBox22CenterX

get

Returns the abscissa of the center of the Feret box oriented at 22.5 degrees.

◆ FeretBox22CenterY

float eVision.ECodedElement.FeretBox22CenterY

get

Returns the ordinate of the center of the Feret box oriented at 22.5 degrees.

◆ FeretBox22Height

float eVision.ECodedElement.FeretBox22Height

get

Returns the height of the Feret box oriented at 22.5 degrees (Feret diameter at 112.5 degrees).

◆ FeretBox22Width

float eVision.ECodedElement.FeretBox22Width

get

Returns the width of the Feret box oriented at 22.5 degrees (Feret diameter at 22.5 degrees).

◆ FeretBox45Box

eVision.ERotatedBoundingBox eVision.ECodedElement.FeretBox45Box

get

Returns the Feret box at orientation 45 degrees.

◆ FeretBox45Center

eVision.EPoint eVision.ECodedElement.FeretBox45Center

get

Returns the coordinates of the center of the Feret box oriented at 45 degrees.

◆ FeretBox45CenterX

float eVision.ECodedElement.FeretBox45CenterX

get

Returns the abscissa of the center of the Feret box oriented at 45 degrees.

◆ FeretBox45CenterY

float eVision.ECodedElement.FeretBox45CenterY

get

Returns the ordinate of the center of the Feret box oriented at 45 degrees.

◆ FeretBox45Height

float eVision.ECodedElement.FeretBox45Height

get

Returns the height of the Feret box oriented at 45 degrees (Feret diameter at 135 degrees).

◆ FeretBox45Width

float eVision.ECodedElement.FeretBox45Width

get

Returns the width of the Feret box oriented at 45 degrees (Feret diameter at 45 degrees).

◆ FeretBox68Box

eVision.ERotatedBoundingBox eVision.ECodedElement.FeretBox68Box

get

Returns the Feret box at orientation 67.5 degrees.

◆ FeretBox68Center

eVision.EPoint eVision.ECodedElement.FeretBox68Center

get

Returns the coordinates of the center of the Feret box oriented at 67.5 degrees.

◆ FeretBox68CenterX

float eVision.ECodedElement.FeretBox68CenterX

get

Returns the abscissa of the center of the Feret box oriented at 67.5 degrees.

◆ FeretBox68CenterY

float eVision.ECodedElement.FeretBox68CenterY

get

Returns the ordinate of the center of the Feret box oriented at 67.5 degrees.

◆ FeretBox68Height

float eVision.ECodedElement.FeretBox68Height

get

Returns the height of the Feret box oriented at 67.5 degrees (Feret diameter at 157.5 degrees).

◆ FeretBox68Width

float eVision.ECodedElement.FeretBox68Width

get

Returns the width of the Feret box oriented at 67.5 degrees (Feret diameter at 67.5 degrees).

◆ Frame

eVision.EFrame eVision.ECodedElement.Frame

getset

Sets the frame in which the region was defined.

◆ GravityCenter

eVision.EPoint eVision.ECodedElement.GravityCenter

get

Returns the gravity center of the coded element.

◆ GravityCenterX

float eVision.ECodedElement.GravityCenterX

get

Returns the abscissa of the gravity center of the coded element.

For a coded element \(E\), this value is defined as:

\[\frac{\sum_{(x,y)\in E} x}{\sum_{(x,y)\in E} 1}\]

◆ GravityCenterY

float eVision.ECodedElement.GravityCenterY

get

Returns the ordinate of the gravity center of the coded element.

For a coded element \(E\), this value is defined as:

\[\frac{\sum_{(x,y)\in E} y}{\sum_{(x,y)\in E} 1}\]

◆ HoleCount

uint eVision.ECodedElement.HoleCount

get

Returns the number of holes in the object.

◆ Holes

eVision.ECodedElement [] eVision.ECodedElement.Holes

get

Returns all holes for the given object.

◆ IsCodedElement

bool eVision.ECodedElement.IsCodedElement

get

Tests whether the coded element is an object, a hole or a coded element.

◆ IsHole

bool eVision.ECodedElement.IsHole

get

Tests whether the coded element is an object, a hole or a coded element.

◆ IsObject

bool eVision.ECodedElement.IsObject

get

Tests whether the coded element is an object, a hole or a coded element.

◆ LargestRun

uint eVision.ECodedElement.LargestRun

get

Returns the length of the largest run inside the coded element.

◆ LayerIndex

uint eVision.ECodedElement.LayerIndex

get

Returns the index of the layer in the coded image to which the coded element belongs.

If the coded element is a hole, its layer index is defined as that of its parent object.

◆ LeftLimit

int eVision.ECodedElement.LeftLimit

get

Returns the lowest (integer) X-coordinate of all the pixels of the coded element.

For a coded element \(E\), this value is defined as: \(\left\lfloor \min \left\{ x \mid (\exists y) (x,y) \in E \right\} \right\rfloor \)

◆ MinimumEnclosingRectangle

eVision.ERotatedBoundingBox eVision.ECodedElement.MinimumEnclosingRectangle

get

Returns the Minimum-Area Enclosing Rectangle.

The Minimum-Area Enclosing Rectangle is defined as the Feret box with the minimum surface among all the possible orientations.

◆ MinimumEnclosingRectangleAngle

float eVision.ECodedElement.MinimumEnclosingRectangleAngle

get

Returns the angle of the Minimum-Area Enclosing Rectangle.

The angle is the angle between the width side of the rectangle and the horizontal. It always lies in the range [0 ; pi/2[.

◆ MinimumEnclosingRectangleCenter

eVision.EPoint eVision.ECodedElement.MinimumEnclosingRectangleCenter

get

Returns the coordinates of the center of the Minimum-Area Enclosing Rectangle.

◆ MinimumEnclosingRectangleCenterX

float eVision.ECodedElement.MinimumEnclosingRectangleCenterX

get

Returns the abscissa of the center of the Minimum-Area Enclosing Rectangle.

◆ MinimumEnclosingRectangleCenterY

float eVision.ECodedElement.MinimumEnclosingRectangleCenterY

get

Returns the ordinate of the center of the Minimum-Area Enclosing Rectangle.

◆ MinimumEnclosingRectangleHeight

float eVision.ECodedElement.MinimumEnclosingRectangleHeight

get

Returns the height of the Minimum-Area Enclosing Rectangle.

◆ MinimumEnclosingRectangleWidth

float eVision.ECodedElement.MinimumEnclosingRectangleWidth

get

Returns the width of the Minimum-Area Enclosing Rectangle.

◆ ParentObjectIndex

uint eVision.ECodedElement.ParentObjectIndex

get

Returns the index of the parent object of the hole.

◆ RightLimit

int eVision.ECodedElement.RightLimit

get

Returns the highest (integer) X-coordinate of all the pixels of the coded element.

For a coded element \(E\), this value is defined as: \(\left\lceil \max \left\{ x \mid (\exists y) (x,y) \in E \right\} \right\rceil \)

◆ RunCount

uint eVision.ECodedElement.RunCount

get

Returns the number of runs inside the coded element.

◆ RunsIterator

eVision.EObjectRunsIterator eVision.ECodedElement.RunsIterator

get

Returns an iterator to the runs of the coded element.

◆ SigmaX

float eVision.ECodedElement.SigmaX

get

Returns the centered moment of inertia around X. This is equal to the average squared Y-deviation (variance on Y). It can be expressed in terms of central moment as CentralMoment(0, 2) / Area.

◆ SigmaXX

float eVision.ECodedElement.SigmaXX

get

Returns the first centered principal moment of inertia.

This is the moment of inertia around the first principal axis of the object. It is defined as the biggest eigenvalue of the inertia tensor.

◆ SigmaXY

float eVision.ECodedElement.SigmaXY

get

Returns the centered product of inertia. The is equal to the covariance of the X and Y pixel coordinates. It can be expressed in terms of central moment as CentralMoment(1, 1) / Area.

◆ SigmaY

float eVision.ECodedElement.SigmaY

get

Returns the centered moment of inertia around Y. This is equal to the average squared X-deviation (variance on X). It can be expressed in terms of central moment as CentralMoment(2, 0) / Area.

◆ SigmaYY

float eVision.ECodedElement.SigmaYY

get

Returns the second centered principal moment of inertia.

This is the moment of inertia around the second principal axis of the object. It is defined as the smallest eigenvalue of the inertia tensor.

◆ TopLimit

int eVision.ECodedElement.TopLimit

get

Returns the lowest (integer) Y-coordinate of all the pixels of the coded element.

For a coded element \(E\), this value is defined as: \(\left\lfloor \min \left\{ y \mid (\exists x) (x,y) \in E \right\} \right\rfloor \)

Public Member Functions

Properties

Detailed Description

Constructor & Destructor Documentation

◆ ECodedElement()

Member Function Documentation

◆ ComputeConvexHull()

◆ ComputeFeretBox()

◆ ComputePixelGrayAverage()

◆ ComputePixelGrayDeviation()

◆ ComputePixelGrayVariance()

◆ ComputePixelMax()

◆ ComputePixelMin()

◆ ComputeWeightedGravityCenter()

◆ Draw() [1/10]

◆ Draw() [2/10]

◆ Draw() [3/10]

◆ Draw() [4/10]

◆ Draw() [5/10]

◆ Draw() [6/10]

◆ Draw() [7/10]

◆ Draw() [8/10]

◆ Draw() [9/10]

◆ Draw() [10/10]

◆ DrawFeature() [1/12]

◆ DrawFeature() [2/12]

◆ DrawFeature() [3/12]

◆ DrawFeature() [4/12]

◆ DrawFeature() [5/12]

◆ DrawFeature() [6/12]

◆ DrawFeature() [7/12]

◆ DrawFeature() [8/12]

◆ DrawFeature() [9/12]

◆ DrawFeature() [10/12]

◆ DrawFeature() [11/12]

◆ DrawFeature() [12/12]

◆ DrawFeretBox() [1/12]

◆ DrawFeretBox() [2/12]

◆ DrawFeretBox() [3/12]

◆ DrawFeretBox() [4/12]

◆ DrawFeretBox() [5/12]

◆ DrawFeretBox() [6/12]

◆ DrawFeretBox() [7/12]

◆ DrawFeretBox() [8/12]

◆ DrawFeretBox() [9/12]

◆ DrawFeretBox() [10/12]

◆ DrawFeretBox() [11/12]

◆ DrawFeretBox() [12/12]

◆ DrawWeightedGravityCenter() [1/10]

◆ DrawWeightedGravityCenter() [2/10]

◆ DrawWeightedGravityCenter() [3/10]

◆ DrawWeightedGravityCenter() [4/10]

◆ DrawWeightedGravityCenter() [5/10]

◆ DrawWeightedGravityCenter() [6/10]

◆ DrawWeightedGravityCenter() [7/10]

◆ DrawWeightedGravityCenter() [8/10]

◆ DrawWeightedGravityCenter() [9/10]

◆ DrawWeightedGravityCenter() [10/10]

◆ GetCentralMoment()

◆ GetHole()

◆ GetMoment()

◆ GetNormalizedCentralMoment()

◆ RenderMask() [1/2]

◆ RenderMask() [2/2]

◆ ToFrame() [1/2]

◆ ToFrame() [2/2]

◆ ToRegion()

Property Documentation

◆ Area

◆ BottomLimit

◆ BoundingBox

◆ BoundingBoxCenter

◆ BoundingBoxCenterX

◆ BoundingBoxCenterY

◆ BoundingBoxHeight

◆ BoundingBoxWidth

◆ Contour

◆ ContourPath

◆ ContourX

◆ ContourY