eVision.EQuadrangle Class Reference

This class represents a polygon with four corners (with sub-pixel accuracy). More...

Public Member Functions
None	__init__ (self)
	Constructs a eVision.EQuadrangle.
None	__init__ (self, list[eVision._eVision.EPoint] corners)
	Constructs a eVision.EQuadrangle.
None	__init__ (self, eVision.EPoint Corner0)
None	__init__ (self, eVision.EPoint Corner0, eVision.EPoint Corner1)
None	__init__ (self, eVision.EPoint Corner0, eVision.EPoint Corner1, eVision.EPoint Corner2)
None	__init__ (self, eVision.EPoint Corner0, eVision.EPoint Corner1, eVision.EPoint Corner2, eVision.EPoint Corner3)
None	__init__ (self, eVision.EQuadrangle other)
None	SetPoint (self, int index, eVision.EPoint location)
	Sets the coordinates of a given corner of the quadrangle.
bool	IsInside (self, eVision.EPoint point, bool includeEdges)
bool	IsInside (self, eVision.EPoint point)
bool	IsPointInside (self, eVision.EPoint point, bool includeEdges)
	Tests if a point is inside the quadrangle.
bool	IsPointInside (self, eVision.EPoint point)
	Tests if a point is inside the quadrangle.
bool	IsQuadrangleInside (self, eVision.EQuadrangle quadrangle, bool includeEdges)
	Tests if a quadrangle is inside the quadrangle.
bool	IsQuadrangleInside (self, eVision.EQuadrangle quadrangle)
	Tests if a quadrangle is inside the quadrangle.
bool	OverLaps (self, eVision.EQuadrangle other)
	Tests if the quadrangles overlap.
float	ComputeOverlap (self, eVision.EQuadrangle other)
	Computes the overlap (intersection / min(area1, area2)) of this and the other eVision.EQuadrangle.
eVision.EPoint	GetPoint (self, int index)
	Returns the coordinate of a given corner of the quadrangle.
float	GetSideAngle (self, int sideIndex)
	Returns the angle of a given side of the quadrangle.
float	GetSideLength (self, int sideIndex)
	Returns the length of a given side of the quadrangle.
float	GetCornerAngle (self, int cornerIndex)
	Returns the angle of a given corner of the quadrangle.
eVision.EQuadrangle	SensorToLocal (self, eVision.EFrame frame)
	Converts the eVision.EQuadrangle from the sensor reference frame to the local reference frame.
eVision.EQuadrangle	LocalToSensor (self, eVision.EFrame frame)
	Converts the eVision.EQuadrangle from the local reference frame to the sensor reference frame.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, float zoomX, float zoomY, float panX, float panY)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, float zoomX, float zoomY, float panX)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, float zoomX, float zoomY)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, float zoomX)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame, float zoomX, float zoomY)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame, float zoomX)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color, float zoomX, float zoomY, float panX, float panY)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color, float zoomX, float zoomY, float panX)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color, float zoomX, float zoomY)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color, float zoomX)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color, eVision.EFrame frame, float zoomX, float zoomY)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color, eVision.EFrame frame, float zoomX)
	Draws the quadrangle, by drawing lines between its corners.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.ERGBColor color, eVision.EFrame frame)
	Draws the quadrangle, by drawing lines between its corners.
eVision.EPoint	GravityCenter (self)
	Returns the gravity center of the quadrangle.
float	Area (self)
	Returns the area of the quadrangle.
float	Perimeter (self)
	Returns the perimeter of the quadrangle.
list[eVision._eVision.EPoint]	Corners (self)
	The corners of the eVision.EQuadrangle.
eVision.EPoint	UpperLeftCorner (self)
	Returns the coordinates of the upper left corner of the quadrangle (the position with the minimum Y and then minimum X).
eVision.EPoint	Corner0 (self)
	Corner 0 of the quadrangle.
	Corner0 (self, eVision.EPoint value)
	Corner 0 of the quadrangle.
eVision.EPoint	Corner1 (self)
	Corner 1 of the quadrangle.
	Corner1 (self, eVision.EPoint value)
	Corner 1 of the quadrangle.
eVision.EPoint	Corner2 (self)
	Corner 2 of the quadrangle.
	Corner2 (self, eVision.EPoint value)
	Corner 2 of the quadrangle.
eVision.EPoint	Corner3 (self)
	Corner 3 of the quadrangle.
	Corner3 (self, eVision.EPoint value)
	Corner 3 of the quadrangle.

Detailed Description

This class represents a polygon with four corners (with sub-pixel accuracy).

Remarks:

A quadrangle especially arises when representing the corners of a rotated bounding box.

License(s): None

Constructor & Destructor Documentation

__init__() [1/7]

None eVision.EQuadrangle.__init__

(

self

)

Constructs a eVision.EQuadrangle.

The default constructor initializes all points to 0.

__init__() [2/7]

None eVision.EQuadrangle.__init__	(		self,
		list[eVision._eVision.EPoint]	corners )

Constructs a eVision.EQuadrangle.

The default constructor initializes all points to 0.

Parameters

corners

The corners of the eVision.EQuadrangle.

__init__() [3/7]

None eVision.EQuadrangle.__init__	(		self,
		eVision.EPoint	Corner0 )

Parameters

Corner0

Corner 0 of the quadrangle.

__init__() [4/7]

None eVision.EQuadrangle.__init__	(		self,
		eVision.EPoint	Corner0,
		eVision.EPoint	Corner1 )

Parameters

Corner0	Corner 0 of the quadrangle.
Corner1	Corner 1 of the quadrangle.

__init__() [5/7]

None eVision.EQuadrangle.__init__	(		self,
		eVision.EPoint	Corner0,
		eVision.EPoint	Corner1,
		eVision.EPoint	Corner2 )

Parameters

Corner0	Corner 0 of the quadrangle.
Corner1	Corner 1 of the quadrangle.
Corner2	Corner 2 of the quadrangle.

__init__() [6/7]

None eVision.EQuadrangle.__init__	(		self,
		eVision.EPoint	Corner0,
		eVision.EPoint	Corner1,
		eVision.EPoint	Corner2,
		eVision.EPoint	Corner3 )

Parameters

Corner0	Corner 0 of the quadrangle.
Corner1	Corner 1 of the quadrangle.
Corner2	Corner 2 of the quadrangle.
Corner3	Corner 3 of the quadrangle.

__init__() [7/7]

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

Parameters

other

Other instance

Member Function Documentation

Area()

float eVision.EQuadrangle.Area

(

self

)

Returns the area of the quadrangle.

ComputeOverlap()

float eVision.EQuadrangle.ComputeOverlap	(		self,
		eVision.EQuadrangle	other )

Computes the overlap (intersection / min(area1, area2)) of this and the other eVision.EQuadrangle.

Parameters

other

The other eVision.EQuadrangle to which we compute overlap.

Corner0() [1/2]

eVision.EPoint eVision.EQuadrangle.Corner0

(

self

)

Corner 0 of the quadrangle.

Corner0() [2/2]

eVision.EQuadrangle.Corner0	(		self,
		eVision.EPoint	value )

Corner 0 of the quadrangle.

Corner1() [1/2]

eVision.EPoint eVision.EQuadrangle.Corner1

(

self

)

Corner 1 of the quadrangle.

Corner1() [2/2]

eVision.EQuadrangle.Corner1	(		self,
		eVision.EPoint	value )

Corner 1 of the quadrangle.

Corner2() [1/2]

eVision.EPoint eVision.EQuadrangle.Corner2

(

self

)

Corner 2 of the quadrangle.

Corner2() [2/2]

eVision.EQuadrangle.Corner2	(		self,
		eVision.EPoint	value )

Corner 2 of the quadrangle.

Corner3() [1/2]

eVision.EPoint eVision.EQuadrangle.Corner3

(

self

)

Corner 3 of the quadrangle.

Corner3() [2/2]

eVision.EQuadrangle.Corner3	(		self,
		eVision.EPoint	value )

Corner 3 of the quadrangle.

Corners()

list[eVision._eVision.EPoint] eVision.EQuadrangle.Corners

(

self

)

The corners of the eVision.EQuadrangle.

Remarks:

If the eVision.EQuadrangle belongs to an eVision.EQRCodeGeometry object, the corners are returned in the following order: top right, top left, bottom left, bottom right. If the eVision.EQuadrangle belongs to an eVision.EasyBarCode2.EBarCode or eVision.EasyMatrixCode2.EMatrixCode object, the corners are returned in the following order: top left, top right, bottom right, bottom left. Here, top left and so on means the top left of the code, not the top left of the image.

Draw() [1/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext

Graphic context on which to draw.

Draw() [2/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.EFrame	frame )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame of reference in which the quadrangle is defined.

Draw() [3/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.EFrame	frame,
		float	zoomX )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame of reference in which the quadrangle is defined.
zoomX	Horizontal zooming factor. By default, true scale is used.

Draw() [4/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame of reference in which the quadrangle is defined.
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() [5/24]

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

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame of reference in which the quadrangle is defined.
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() [6/24]

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

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame of reference in which the quadrangle is defined.
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() [7/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame of reference in which the quadrangle is defined.
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 lines are to be drawn between the 1st and 3rd corners, as well as between the 2nd and 4th corners.

Draw() [8/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.

Draw() [9/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color,
		eVision.EFrame	frame )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.
frame	Frame of reference in which the quadrangle is defined.

Draw() [10/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color,
		eVision.EFrame	frame,
		float	zoomX )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.
frame	Frame of reference in which the quadrangle is defined.
zoomX	Horizontal zooming factor. By default, true scale is used.

Draw() [11/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.
frame	Frame of reference in which the quadrangle is defined.
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() [12/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.
frame	Frame of reference in which the quadrangle is defined.
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() [13/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.
frame	Frame of reference in which the quadrangle is defined.
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() [14/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.
frame	Frame of reference in which the quadrangle is defined.
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 lines are to be drawn between the 1st and 3rd corners, as well as between the 2nd and 4th corners.

Draw() [15/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color,
		float	zoomX )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.
zoomX	Horizontal zooming factor. By default, true scale is used.

Draw() [16/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color,
		float	zoomX,
		float	zoomY )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.
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() [17/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color,
		float	zoomX,
		float	zoomY,
		float	panX )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.
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() [18/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.
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() [19/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		eVision.ERGBColor	color,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	Graphic context on which to draw.
color	The color in which to draw the overlay.
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 lines are to be drawn between the 1st and 3rd corners, as well as between the 2nd and 4th corners.

Draw() [20/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		float	zoomX )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

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

Draw() [21/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		float	zoomX,
		float	zoomY )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	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() [22/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		float	zoomX,
		float	zoomY,
		float	panX )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	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() [23/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	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.

Draw() [24/24]

None eVision.EQuadrangle.Draw	(		self,
		eVision.EDrawAdapter | None	graphicContext,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY,
		bool	drawDiagonals )

Draws the quadrangle, by drawing lines between its corners.

Remarks:

Drawing is done in the device context associated to the desired window.

Deprecation notice: All methods taking HDC as parameter are deprecated. It is recommended to use their alternative taking a eVision.EDrawAdapter by using a instance of eVision.EWindowsDrawAdapter.

Parameters

graphicContext	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.
drawDiagonals	Specifies whether or not lines are to be drawn between the 1st and 3rd corners, as well as between the 2nd and 4th corners.

GetCornerAngle()

float eVision.EQuadrangle.GetCornerAngle	(		self,
		int	cornerIndex )

Returns the angle of a given corner of the quadrangle.

Parameters

cornerIndex

The index of the corner of interest (must lie in the range between 0 and 3, inclusive).

GetPoint()

eVision.EPoint eVision.EQuadrangle.GetPoint	(		self,
		int	index )

Returns the coordinate of a given corner of the quadrangle.

Parameters

index

The index of the corner of interest (must lie in the range between 0 and 3, inclusive).

GetSideAngle()

float eVision.EQuadrangle.GetSideAngle	(		self,
		int	sideIndex )

Returns the angle of a given side of the quadrangle.

Side i is the line between corner i and corner (i+1)%4.

Parameters

sideIndex

The index of the side of interest (must lie in the range between 0 and 3, inclusive).

GetSideLength()

float eVision.EQuadrangle.GetSideLength	(		self,
		int	sideIndex )

Returns the length of a given side of the quadrangle.

Side i is the line between corner i and corner (i+1)%4.

Parameters

sideIndex

The index of the side of interest (must lie in the range between 0 and 3, inclusive).

GravityCenter()

eVision.EPoint eVision.EQuadrangle.GravityCenter

(

self

)

Returns the gravity center of the quadrangle.

IsInside() [1/2]

bool eVision.EQuadrangle.IsInside	(		self,
		eVision.EPoint	point )

IsInside() [2/2]

bool eVision.EQuadrangle.IsInside	(		self,
		eVision.EPoint	point,
		bool	includeEdges )

IsPointInside() [1/2]

bool eVision.EQuadrangle.IsPointInside	(		self,
		eVision.EPoint	point )

Tests if a point is inside the quadrangle.

Parameters

point

The point.

IsPointInside() [2/2]

bool eVision.EQuadrangle.IsPointInside	(		self,
		eVision.EPoint	point,
		bool	includeEdges )

Tests if a point is inside the quadrangle.

Parameters

point	The point.
includeEdges	Takes the edges as part of the interior of the eVision.EQuadrangle. Default: false.

IsQuadrangleInside() [1/2]

bool eVision.EQuadrangle.IsQuadrangleInside	(		self,
		eVision.EQuadrangle	quadrangle )

Tests if a quadrangle is inside the quadrangle.

Parameters

quadrangle

The other quadrangle that is inside the eVision.EQuadrangle or not

IsQuadrangleInside() [2/2]

bool eVision.EQuadrangle.IsQuadrangleInside	(		self,
		eVision.EQuadrangle	quadrangle,
		bool	includeEdges )

Tests if a quadrangle is inside the quadrangle.

Parameters

quadrangle	The other quadrangle that is inside the eVision.EQuadrangle or not
includeEdges	Takes the edges as part of the interior of the eVision.EQuadrangle. Default: false.

LocalToSensor()

eVision.EQuadrangle eVision.EQuadrangle.LocalToSensor	(		self,
		eVision.EFrame	frame )

Converts the eVision.EQuadrangle from the local reference frame to the sensor reference frame.

Parameters

frame

Reference frame in which the eVision.EQuadrangle is defined.

OverLaps()

bool eVision.EQuadrangle.OverLaps	(		self,
		eVision.EQuadrangle	other )

Tests if the quadrangles overlap.

Parameters

other

The eVision.EQuadrangle to test.

Perimeter()

float eVision.EQuadrangle.Perimeter

(

self

)

Returns the perimeter of the quadrangle.

SensorToLocal()

eVision.EQuadrangle eVision.EQuadrangle.SensorToLocal	(		self,
		eVision.EFrame	frame )

Converts the eVision.EQuadrangle from the sensor reference frame to the local reference frame.

Parameters

frame

Reference frame in which the eVision.EQuadrangle is defined.

SetPoint()

None eVision.EQuadrangle.SetPoint	(		self,
		int	index,
		eVision.EPoint	location )

Sets the coordinates of a given corner of the quadrangle.

Parameters

index	The index of the corner of interest (must lie in the range between 0 and 3, inclusive).
location	The coordinate.

UpperLeftCorner()

eVision.EPoint eVision.EQuadrangle.UpperLeftCorner

(

self

)

Returns the coordinates of the upper left corner of the quadrangle (the position with the minimum Y and then minimum X).