eVision.ECodedElement Class Reference

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

Public Member Functions
None	__init__ (self, eVision.ECodedElement other)
	Copy constructor.
eVision.ECodedElement	GetHole (self, int index)
	Returns a specified hole in the object.
eVision.ERegion	ToRegion (self)
	Creates an ERegion from the eVision.ECodedElement.
eVision.EFrame	ToFrame (self, bool useAngle, eVision.EFrameScaling frameScaling)
	Creates an eVision.EFrame from the eVision.ECodedElement.
eVision.EFrame	ToFrame (self, bool useAngle, eVision.EFrameScaling frameScaling, eVision.EFrame inputFrame)
	Creates an eVision.EFrame from the eVision.ECodedElement.
bool	IsHole (self)
	Tests whether the coded element is an object, a hole or a coded element.
bool	IsObject (self)
	Tests whether the coded element is an object, a hole or a coded element.
bool	IsCodedElement (self)
	Tests whether the coded element is an object, a hole or a coded element.
float	GetMoment (self, int p, int q)
	Computes the raw, two-dimensional moment of order (p,q).
float	GetNormalizedCentralMoment (self, int p, int q)
	Computes the scale-invariant, central, two-dimensional moment of order (p,q).
float	GetCentralMoment (self, int p, int q)
	Computes the central, two-dimensional moment of order (p,q).
eVision.ERotatedBoundingBox	ComputeFeretBox (self, float angle)
	Computes the Feret box at a specific orientation.
None	ComputeConvexHull (self, eVision.EPathVector result)
	Computes the convex hull of the coded element.
eVision.EBW8	ComputePixelMin (self, eVision.EROIBW8 image)
	Computes the minimum gray level of the pixels of a given image over the coded element.
eVision.EBW8	ComputePixelMax (self, eVision.EROIBW8 image)
	Computes the maximum gray level of the pixels of a given image over the coded element.
float	ComputePixelGrayAverage (self, eVision.EROIBW8 image)
	Computes the average gray-level value of the pixels of a given image over the coded element.
float	ComputePixelGrayDeviation (self, eVision.EROIBW8 image)
	Computes the standard deviation of the gray-level values of a given image over the coded element.
float	ComputePixelGrayVariance (self, eVision.EROIBW8 image)
	Computes the variance of the gray-level values of a given image over the coded element.
eVision.EPoint	ComputeWeightedGravityCenter (self, eVision.EROIBW8 image)
	Computes the gravity center of a given image over the coded element.
None	RenderMask (self, eVision.EROIBW8 destination, int offsetX, int offsetY)
	Creates a Flexible Mask from the coded element.
None	RenderMask (self, eVision.EROIBW8 destination)
	Creates a Flexible Mask from the coded element.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, float zoomX, float zoomY, float panX, float panY)
	Draw the eVision.ECodedElement.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, float zoomX, float zoomY, float panX)
	Draw the eVision.ECodedElement.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, float zoomX, float zoomY)
	Draw the eVision.ECodedElement.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, float zoomX)
	Draw the eVision.ECodedElement.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter)
	Draw the eVision.ECodedElement.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draw the eVision.ECodedElement.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draw the eVision.ECodedElement.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, eVision.EFrame frame, float zoomX, float zoomY)
	Draw the eVision.ECodedElement.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, eVision.EFrame frame, float zoomX)
	Draw the eVision.ECodedElement.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, eVision.EFrame frame)
	Draw the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature, float zoomX, float zoomY, float panX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature, float zoomX, float zoomY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature, float zoomX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame, float zoomX, float zoomY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame, float zoomX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeature (self, eVision.EDrawAdapter|None drawAdapter, eVision.EDrawableFeature feature, eVision.EFrame frame)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle, float zoomX, float zoomY, float panX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle, float zoomX, float zoomY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle, float zoomX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle, eVision.EFrame frame, float zoomX, float zoomY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle, eVision.EFrame frame, float zoomX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawFeretBox (self, eVision.EDrawAdapter|None drawAdapter, float feretAngle, eVision.EFrame frame)
	Draw a given feature of the eVision.ECodedElement.
None	DrawWeightedGravityCenter (self, eVision.EDrawAdapter|None drawAdapter, eVision.EROIBW8 image, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawWeightedGravityCenter (self, eVision.EDrawAdapter|None drawAdapter, eVision.EROIBW8 image, float zoomX, float zoomY, float panX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawWeightedGravityCenter (self, eVision.EDrawAdapter|None drawAdapter, eVision.EROIBW8 image, float zoomX, float zoomY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawWeightedGravityCenter (self, eVision.EDrawAdapter|None drawAdapter, eVision.EROIBW8 image, float zoomX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawWeightedGravityCenter (self, eVision.EDrawAdapter|None drawAdapter, eVision.EROIBW8 image)
	Draw a given feature of the eVision.ECodedElement.
None	DrawWeightedGravityCenter (self, eVision.EDrawAdapter|None drawAdapter, eVision.EROIBW8 image, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawWeightedGravityCenter (self, eVision.EDrawAdapter|None drawAdapter, eVision.EROIBW8 image, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawWeightedGravityCenter (self, eVision.EDrawAdapter|None drawAdapter, eVision.EROIBW8 image, eVision.EFrame frame, float zoomX, float zoomY)
	Draw a given feature of the eVision.ECodedElement.
None	DrawWeightedGravityCenter (self, eVision.EDrawAdapter|None drawAdapter, eVision.EROIBW8 image, eVision.EFrame frame, float zoomX)
	Draw a given feature of the eVision.ECodedElement.
None	DrawWeightedGravityCenter (self, eVision.EDrawAdapter|None drawAdapter, eVision.EROIBW8 image, eVision.EFrame frame)
	Draw a given feature of the eVision.ECodedElement.
int	HoleCount (self)
	Returns the number of holes in the object.
list[eVision._eVision.ECodedElement]	Holes (self)
	Returns all holes for the given object.
int	ParentObjectIndex (self)
	Returns the index of the parent object of the hole.
eVision.EFrame	Frame (self)
	Sets the frame in which the region was defined.
	Frame (self, eVision.EFrame value)
	Sets the frame in which the region was defined.
eVision.EObjectRunsIterator	RunsIterator (self)
	Returns an iterator to the runs of the coded element.
int	ElementIndex (self)
	Returns the index of the coded element.
int	LayerIndex (self)
	Returns the index of the layer in the coded image to which the coded element belongs.
int	RunCount (self)
	Returns the number of runs inside the coded element.
int	Area (self)
	Returns the number of pixels inside the coded element.
int	LargestRun (self)
	Returns the length of the largest run inside the coded element.
float	GravityCenterX (self)
	Returns the abscissa of the gravity center of the coded element.
float	GravityCenterY (self)
	Returns the ordinate of the gravity center of the coded element.
eVision.EPoint	GravityCenter (self)
	Returns the gravity center of the coded element.
int	LeftLimit (self)
	Returns the lowest (integer) X-coordinate of all the pixels of the coded element.
int	TopLimit (self)
	Returns the lowest (integer) Y-coordinate of all the pixels of the coded element.
int	RightLimit (self)
	Returns the highest (integer) X-coordinate of all the pixels of the coded element.
int	BottomLimit (self)
	Returns the highest (integer) Y-coordinate of all the pixels of the coded element.
float	BoundingBoxCenterX (self)
	Returns the abscissa of the center of the bounding box of the coded element.
float	BoundingBoxCenterY (self)
	Returns the ordinate of the center of the bounding box of the coded element.
eVision.EPoint	BoundingBoxCenter (self)
	Returns the coordinates of the center of the bounding box of the coded element.
float	BoundingBoxWidth (self)
	Returns the width of the bounding box (Feret diameter at 0 degrees).
float	BoundingBoxHeight (self)
	Returns the height of the bounding box (Feret diameter at 90 degrees).
float	EllipseWidth (self)
	Returns the length of the long axis of the ellipse of inertia.
float	EllipseHeight (self)
	Returns the length of the short axis of the ellipse of inertia.
float	EllipseAngle (self)
	Returns the angle of the ellipse of inertia.
float	Eccentricity (self)
	Returns the eccentricity of the ellipse of inertia.
float	FeretBox22CenterX (self)
	Returns the abscissa of the center of the Feret box oriented at 22.5 degrees.
float	FeretBox22CenterY (self)
	Returns the ordinate of the center of the Feret box oriented at 22.5 degrees.
eVision.EPoint	FeretBox22Center (self)
	Returns the coordinates of the center of the Feret box oriented at 22.5 degrees.
float	FeretBox22Width (self)
	Returns the width of the Feret box oriented at 22.5 degrees (Feret diameter at 22.5 degrees).
float	FeretBox22Height (self)
	Returns the height of the Feret box oriented at 22.5 degrees (Feret diameter at 112.5 degrees).
float	FeretBox45CenterX (self)
	Returns the abscissa of the center of the Feret box oriented at 45 degrees.
float	FeretBox45CenterY (self)
	Returns the ordinate of the center of the Feret box oriented at 45 degrees.
eVision.EPoint	FeretBox45Center (self)
	Returns the coordinates of the center of the Feret box oriented at 45 degrees.
float	FeretBox45Width (self)
	Returns the width of the Feret box oriented at 45 degrees (Feret diameter at 45 degrees).
float	FeretBox45Height (self)
	Returns the height of the Feret box oriented at 45 degrees (Feret diameter at 135 degrees).
float	FeretBox68CenterX (self)
	Returns the abscissa of the center of the Feret box oriented at 67.5 degrees.
float	FeretBox68CenterY (self)
	Returns the ordinate of the center of the Feret box oriented at 67.5 degrees.
eVision.EPoint	FeretBox68Center (self)
	Returns the coordinates of the center of the Feret box oriented at 67.5 degrees.
float	FeretBox68Width (self)
	Returns the width of the Feret box oriented at 67.5 degrees (Feret diameter at 67.5 degrees).
float	FeretBox68Height (self)
	Returns the height of the Feret box oriented at 67.5 degrees (Feret diameter at 157.5 degrees).
float	MinimumEnclosingRectangleCenterX (self)
	Returns the abscissa of the center of the Minimum-Area Enclosing Rectangle.
float	MinimumEnclosingRectangleCenterY (self)
	Returns the ordinate of the center of the Minimum-Area Enclosing Rectangle.
eVision.EPoint	MinimumEnclosingRectangleCenter (self)
	Returns the coordinates of the center of the Minimum-Area Enclosing Rectangle.
float	MinimumEnclosingRectangleWidth (self)
	Returns the width of the Minimum-Area Enclosing Rectangle.
float	MinimumEnclosingRectangleHeight (self)
	Returns the height of the Minimum-Area Enclosing Rectangle.
float	MinimumEnclosingRectangleAngle (self)
	Returns the angle of the Minimum-Area Enclosing Rectangle.
eVision.ERotatedBoundingBox	MinimumEnclosingRectangle (self)
	Returns the Minimum-Area Enclosing Rectangle.
eVision.ERotatedBoundingBox	BoundingBox (self)
	Returns the bounding box of the coded element (Feret box at orientation 0 degrees).
eVision.ERotatedBoundingBox	FeretBox22Box (self)
	Returns the Feret box at orientation 22.5 degrees.
eVision.ERotatedBoundingBox	FeretBox45Box (self)
	Returns the Feret box at orientation 45 degrees.
eVision.ERotatedBoundingBox	FeretBox68Box (self)
	Returns the Feret box at orientation 67.5 degrees.
float	SigmaX (self)
	Returns the centered moment of inertia around X.
float	SigmaY (self)
	Returns the centered moment of inertia around Y.
float	SigmaXY (self)
	Returns the centered product of inertia.
float	SigmaXX (self)
	Returns the first centered principal moment of inertia.
float	SigmaYY (self)
	Returns the second centered principal moment of inertia.
int	ContourX (self)
	Returns the abscissa of the starting point of the countour of the coded element.
int	ContourY (self)
	Returns the ordinate of the starting point of the countour of the coded element.
eVision.EPoint	Contour (self)
	Returns the coordinates of the starting point of the countour of the coded element.
eVision.EPathVector	ContourPath (self)
	Returns the contour path.
eVision.EPathVector	ConvexHull (self)
	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.

Remarks:

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

__init__()

None eVision.ECodedElement.__init__	(		self,
		eVision.ECodedElement	other )

Copy constructor.

Parameters

other

Other eVision.ECodedElement to copy

Member Function Documentation

Area()

int eVision.ECodedElement.Area

(

self

)

Returns the number of pixels inside the coded element.

Remarks:

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

BottomLimit()

int eVision.ECodedElement.BottomLimit

(

self

)

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

Remarks:

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

(

self

)

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

BoundingBoxCenter()

eVision.EPoint eVision.ECodedElement.BoundingBoxCenter

(

self

)

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

BoundingBoxCenterX()

float eVision.ECodedElement.BoundingBoxCenterX

(

self

)

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

BoundingBoxCenterY()

float eVision.ECodedElement.BoundingBoxCenterY

(

self

)

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

BoundingBoxHeight()

float eVision.ECodedElement.BoundingBoxHeight

(

self

)

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

BoundingBoxWidth()

float eVision.ECodedElement.BoundingBoxWidth

(

self

)

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

ComputeConvexHull()

None eVision.ECodedElement.ComputeConvexHull	(		self,
		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	(		self,
		float	angle )

Computes the Feret box at a specific orientation.

Remarks:

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:

Parameters

angle

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

ComputePixelGrayAverage()

float eVision.ECodedElement.ComputePixelGrayAverage	(		self,
		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	(		self,
		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()

float eVision.ECodedElement.ComputePixelGrayVariance	(		self,
		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	(		self,
		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	(		self,
		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	(		self,
		eVision.EROIBW8	image )

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

Parameters

image

The input image.

Contour()

eVision.EPoint eVision.ECodedElement.Contour

(

self

)

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

Remarks:

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

ContourPath()

eVision.EPathVector eVision.ECodedElement.ContourPath

(

self

)

Returns the contour path.

The contour paths is computed using EContourMode_ClockwiseAlwaysClosed.

ContourX()

int eVision.ECodedElement.ContourX

(

self

)

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

ContourY()

int eVision.ECodedElement.ContourY

(

self

)

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

ConvexHull()

eVision.EPathVector eVision.ECodedElement.ConvexHull

(

self

)

Gets the convex hull of the coded element.

Draw() [1/10]

None eVision.ECodedElement.Draw	(		self,
		eVision.EDrawAdapter | None	drawAdapter )

Draw the eVision.ECodedElement.

Parameters

drawAdapter

Graphic context on which to draw.

Draw() [2/10]

None eVision.ECodedElement.Draw	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EFrame	frame )

Draw the eVision.ECodedElement.

Parameters

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

Draw() [3/10]

None eVision.ECodedElement.Draw	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EFrame	frame,
		float	zoomX )

Draw the eVision.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]

None eVision.ECodedElement.Draw	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Draw the eVision.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]

None eVision.ECodedElement.Draw	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw the eVision.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]

None eVision.ECodedElement.Draw	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw the eVision.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]

None eVision.ECodedElement.Draw	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	zoomX )

Draw the eVision.ECodedElement.

Parameters

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

Draw() [8/10]

None eVision.ECodedElement.Draw	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	zoomX,
		float	zoomY )

Draw the eVision.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]

None eVision.ECodedElement.Draw	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw the eVision.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]

None eVision.ECodedElement.Draw	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw the eVision.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]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

Parameters

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

DrawFeature() [2/12]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

Parameters

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

DrawFeature() [3/12]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame,
		float	zoomX )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

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.

DrawFeature() [4/12]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

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.

DrawFeature() [5/12]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

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.

DrawFeature() [6/12]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

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.

DrawFeature() [7/12]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

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.

DrawFeature() [8/12]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature,
		float	zoomX )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

Parameters

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

DrawFeature() [9/12]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature,
		float	zoomX,
		float	zoomY )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

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.

DrawFeature() [10/12]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

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.

DrawFeature() [11/12]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

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.

DrawFeature() [12/12]

None eVision.ECodedElement.DrawFeature	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EDrawableFeature	feature,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draw a given feature of the eVision.ECodedElement.

Remarks:

Call the methods eVision.ECodedElement.DrawFeretBox and eVision.ECodedElement.DrawWeightedGravityCenter to draw the features eVision.EDrawableFeature.FeretBox and eVision.EDrawableFeature.WeightedGravityCenter.

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.

DrawFeretBox() [1/12]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle )

Draw a given feature of the eVision.ECodedElement.

Parameters

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

DrawFeretBox() [2/12]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame,
		float	zoomX )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle,
		float	zoomX )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle,
		float	zoomX,
		float	zoomY )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawFeretBox	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		float	feretAngle,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawWeightedGravityCenter	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EROIBW8	image )

Draw a given feature of the eVision.ECodedElement.

Parameters

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

DrawWeightedGravityCenter() [2/10]

None eVision.ECodedElement.DrawWeightedGravityCenter	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EROIBW8	image,
		eVision.EFrame	frame )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawWeightedGravityCenter	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EROIBW8	image,
		eVision.EFrame	frame,
		float	zoomX )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawWeightedGravityCenter	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EROIBW8	image,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawWeightedGravityCenter	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EROIBW8	image,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawWeightedGravityCenter	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EROIBW8	image,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawWeightedGravityCenter	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EROIBW8	image,
		float	zoomX )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawWeightedGravityCenter	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EROIBW8	image,
		float	zoomX,
		float	zoomY )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawWeightedGravityCenter	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EROIBW8	image,
		float	zoomX,
		float	zoomY,
		float	panX )

Draw a given feature of the eVision.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]

None eVision.ECodedElement.DrawWeightedGravityCenter	(		self,
		eVision.EDrawAdapter | None	drawAdapter,
		eVision.EROIBW8	image,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draw a given feature of the eVision.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.

Eccentricity()

float eVision.ECodedElement.Eccentricity

(

self

)

Returns the eccentricity of the ellipse of inertia.

Remarks:

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()

int eVision.ECodedElement.ElementIndex

(

self

)

Returns the index of the coded element.

Remarks:

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

(

self

)

Returns the angle of the ellipse of inertia.

Remarks:

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

(

self

)

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

Remarks:

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

(

self

)

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

Remarks:

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

(

self

)

Returns the Feret box at orientation 22.5 degrees.

FeretBox22Center()

eVision.EPoint eVision.ECodedElement.FeretBox22Center

(

self

)

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

FeretBox22CenterX()

float eVision.ECodedElement.FeretBox22CenterX

(

self

)

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

FeretBox22CenterY()

float eVision.ECodedElement.FeretBox22CenterY

(

self

)

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

FeretBox22Height()

float eVision.ECodedElement.FeretBox22Height

(

self

)

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

FeretBox22Width()

float eVision.ECodedElement.FeretBox22Width

(

self

)

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

FeretBox45Box()

eVision.ERotatedBoundingBox eVision.ECodedElement.FeretBox45Box

(

self

)

Returns the Feret box at orientation 45 degrees.

FeretBox45Center()

eVision.EPoint eVision.ECodedElement.FeretBox45Center

(

self

)

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

FeretBox45CenterX()

float eVision.ECodedElement.FeretBox45CenterX

(

self

)

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

FeretBox45CenterY()

float eVision.ECodedElement.FeretBox45CenterY

(

self

)

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

FeretBox45Height()

float eVision.ECodedElement.FeretBox45Height

(

self

)

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

FeretBox45Width()

float eVision.ECodedElement.FeretBox45Width

(

self

)

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

FeretBox68Box()

eVision.ERotatedBoundingBox eVision.ECodedElement.FeretBox68Box

(

self

)

Returns the Feret box at orientation 67.5 degrees.

FeretBox68Center()

eVision.EPoint eVision.ECodedElement.FeretBox68Center

(

self

)

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

FeretBox68CenterX()

float eVision.ECodedElement.FeretBox68CenterX

(

self

)

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

FeretBox68CenterY()

float eVision.ECodedElement.FeretBox68CenterY

(

self

)

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

FeretBox68Height()

float eVision.ECodedElement.FeretBox68Height

(

self

)

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

FeretBox68Width()

float eVision.ECodedElement.FeretBox68Width

(

self

)

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

Frame() [1/2]

eVision.EFrame eVision.ECodedElement.Frame

(

self

)

Sets the frame in which the region was defined.

Frame() [2/2]

eVision.ECodedElement.Frame	(		self,
		eVision.EFrame	value )

Sets the frame in which the region was defined.

GetCentralMoment()

float eVision.ECodedElement.GetCentralMoment	(		self,
		int	p,
		int	q )

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

Remarks:

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

Parameters

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

GetHole()

eVision.ECodedElement eVision.ECodedElement.GetHole	(		self,
		int	index )

Returns a specified hole in the object.

Parameters

index

The index of the hole of interest.

GetMoment()

float eVision.ECodedElement.GetMoment	(		self,
		int	p,
		int	q )

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

Remarks:

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

Parameters

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

GetNormalizedCentralMoment()

float eVision.ECodedElement.GetNormalizedCentralMoment	(		self,
		int	p,
		int	q )

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

Remarks:

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

Parameters

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

GravityCenter()

eVision.EPoint eVision.ECodedElement.GravityCenter

(

self

)

Returns the gravity center of the coded element.

GravityCenterX()

float eVision.ECodedElement.GravityCenterX

(

self

)

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

Remarks:

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

(

self

)

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

Remarks:

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

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

HoleCount()

int eVision.ECodedElement.HoleCount

(

self

)

Returns the number of holes in the object.

Holes()

list[eVision._eVision.ECodedElement] eVision.ECodedElement.Holes

(

self

)

Returns all holes for the given object.

IsCodedElement()

bool eVision.ECodedElement.IsCodedElement

(

self

)

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

IsHole()

bool eVision.ECodedElement.IsHole

(

self

)

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

IsObject()

bool eVision.ECodedElement.IsObject

(

self

)

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

LargestRun()

int eVision.ECodedElement.LargestRun

(

self

)

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

LayerIndex()

int eVision.ECodedElement.LayerIndex

(

self

)

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

Remarks:

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

LeftLimit()

int eVision.ECodedElement.LeftLimit

(

self

)

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

Remarks:

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

(

self

)

Returns the Minimum-Area Enclosing Rectangle.

Remarks:

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

(

self

)

Returns the angle of the Minimum-Area Enclosing Rectangle.

Remarks:

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

(

self

)

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

MinimumEnclosingRectangleCenterX()

float eVision.ECodedElement.MinimumEnclosingRectangleCenterX

(

self

)

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

MinimumEnclosingRectangleCenterY()

float eVision.ECodedElement.MinimumEnclosingRectangleCenterY

(

self

)

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

MinimumEnclosingRectangleHeight()

float eVision.ECodedElement.MinimumEnclosingRectangleHeight

(

self

)

Returns the height of the Minimum-Area Enclosing Rectangle.

MinimumEnclosingRectangleWidth()

float eVision.ECodedElement.MinimumEnclosingRectangleWidth

(

self

)

Returns the width of the Minimum-Area Enclosing Rectangle.

ParentObjectIndex()

int eVision.ECodedElement.ParentObjectIndex

(

self

)

Returns the index of the parent object of the hole.

RenderMask() [1/2]

None eVision.ECodedElement.RenderMask	(		self,
		eVision.EROIBW8	destination )

Creates a Flexible Mask from the coded element.

Remarks:

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

Parameters

destination

The image in which the generated mask will be stored.

RenderMask() [2/2]

None eVision.ECodedElement.RenderMask	(		self,
		eVision.EROIBW8	destination,
		int	offsetX,
		int	offsetY )

Creates a Flexible Mask from the coded element.

Remarks:

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

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).

RightLimit()

int eVision.ECodedElement.RightLimit

(

self

)

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

Remarks:

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()

int eVision.ECodedElement.RunCount

(

self

)

Returns the number of runs inside the coded element.

RunsIterator()

eVision.EObjectRunsIterator eVision.ECodedElement.RunsIterator

(

self

)

Returns an iterator to the runs of the coded element.

SigmaX()

float eVision.ECodedElement.SigmaX

(

self

)

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

(

self

)

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

(

self

)

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

(

self

)

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

(

self

)

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.

ToFrame() [1/2]

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

Creates an eVision.EFrame from the eVision.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	(		self,
		bool	useAngle,
		eVision.EFrameScaling	frameScaling,
		eVision.EFrame	inputFrame )

Creates an eVision.EFrame from the eVision.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 eVision.ECodedElement was read using a frame.

TopLimit()

int eVision.ECodedElement.TopLimit

(

self

)

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

Remarks:

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

ToRegion()

eVision.ERegion eVision.ECodedElement.ToRegion

(

self

)

Creates an ERegion from the eVision.ECodedElement.

The ERegion represents all the pixels which are within the bounding box of the Pattern.