eVision.ERotatedBoundingBox Class Reference

This class represents a rotated bounding box. More...

Public Member Functions
None	__init__ (self, float centerX, float centerY, float width, float height, float angle)
	Constructor of the rotated bounding box.
None	__init__ (self, float centerX, float centerY, float width, float height)
	Constructor of the rotated bounding box.
None	__init__ (self)
	Constructor of the rotated bounding box.
None	__init__ (self, eVision.ERotatedBoundingBox other)
eVision.ERotatedBoundingBox	LocalToGlobalBox (self, eVision.ERotatedBoundingBox localBox)
	Transforms a (local) rotated bounding box, as another (global) rotated bounding box whose coordinates are defined relatively to the current rotated bounding box.
eVision.EPoint	LocalToGlobalPoint (self, eVision.EPoint localPoint)
	Transforms a (local) point, as another (global) point whose coordinates are defined relatively to the current rotated bounding box.
None	Translate (self, float offsetX, float offsetY)
	Applies a translation on the center of the bounding box.
None	Scale (self, float scaleWidth, float scaleHeight)
	Applies a scale to the size of the bounding box.
None	Rotate (self, float angle)
	Applies a rotation to the bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draws the rotated bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, float zoomX, float zoomY, float panX, float panY)
	Draws the rotated bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, float zoomX, float zoomY, float panX)
	Draws the rotated bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, float zoomX, float zoomY)
	Draws the rotated bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, float zoomX)
	Draws the rotated bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext)
	Draws the rotated bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draws the rotated bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draws the rotated bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draws the rotated bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame, float zoomX, float zoomY)
	Draws the rotated bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame, float zoomX)
	Draws the rotated bounding box.
None	Draw (self, eVision.EDrawAdapter|None graphicContext, eVision.EFrame frame)
	Draws the rotated bounding box.
eVision.ERotatedBoundingBox	LocalToSensor (self, eVision.EFrame frame)
	Transforms a eVision.ERotatedBoundingBox from local to sensor coordinates.
eVision.ERotatedBoundingBox	SensorToLocal (self, eVision.EFrame frame)
	Transforms a eVision.ERotatedBoundingBox from sensor to local coordinates.
eVision.EQuadrangle	Quadrangle (self)
	Returns the coordinates of the four corners of the bounding box.
float	CenterX (self)
	Returns the abscissa of the center of the bounding box.
float	CenterY (self)
	Returns the ordinate of the center of the bounding box.
eVision.EPoint	Center (self)
	Returns the coordinate of the center of the bounding box.
float	Width (self)
	Returns the width of the bounding box.
float	Height (self)
	Returns the height of the bounding box.
float	Angle (self)
	Returns the angle of the bounding box (in the current angle units).
eVision.EPoint	UpperLeftCorner (self)
	Returns the coordinates of the upper left corner of the bounding box (the position with the minimum Y and then minimum X).
eVision.ELine	MajorAxis (self)
	Returns the major axis of the eVision.ERotatedBoundingBox as an eVision.ELine.

Detailed Description

This class represents a rotated bounding box.

Remarks:

The rotated bounding box is a rotated, rectangular surface. Its coordinates are floating-point, which makes this class appropriate to handle sub-pixel surfaces.

License(s): BasicTypes

Constructor & Destructor Documentation

__init__() [1/4]

None eVision.ERotatedBoundingBox.__init__	(		self,
		float	centerX,
		float	centerY,
		float	width,
		float	height,
		float	angle )

Constructor of the rotated bounding box.

Parameters

centerX	The abscissa of the center of the bounding box.
centerY	The ordinate of the center of the bounding box.
width	The width of the bounding box.
height	The height of the bounding box.
angle	The angle of the bounding box (in the current angle units).

__init__() [2/4]

None eVision.ERotatedBoundingBox.__init__	(		self,
		float	centerX,
		float	centerY,
		float	width,
		float	height )

Constructor of the rotated bounding box.

Parameters

centerX	The abscissa of the center of the bounding box.
centerY	The ordinate of the center of the bounding box.
width	The width of the bounding box.
height	The height of the bounding box.

__init__() [3/4]

None eVision.ERotatedBoundingBox.__init__

(

self

)

Constructor of the rotated bounding box.

__init__() [4/4]

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

Parameters

other

The other eVision.ERotatedBoundingBox that we will copy into this one.

Member Function Documentation

Angle()

float eVision.ERotatedBoundingBox.Angle

(

self

)

Returns the angle of the bounding box (in the current angle units).

Center()

eVision.EPoint eVision.ERotatedBoundingBox.Center

(

self

)

Returns the coordinate of the center of the bounding box.

CenterX()

float eVision.ERotatedBoundingBox.CenterX

(

self

)

Returns the abscissa of the center of the bounding box.

CenterY()

float eVision.ERotatedBoundingBox.CenterY

(

self

)

Returns the ordinate of the center of the bounding box.

Draw() [1/12]

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

Draws the rotated bounding box.

Remarks:

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

Parameters

graphicContext

Graphic context on which to draw.

Draw() [2/12]

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

Draws the rotated bounding box.

Remarks:

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

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame associated with the rectangle.

Draw() [3/12]

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

Draws the rotated bounding box.

Remarks:

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

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame associated with the rectangle.
zoomX	Horizontal zooming factor. By default, true scale is used.

Draw() [4/12]

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

Draws the rotated bounding box.

Remarks:

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

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame associated with the rectangle.
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() [5/12]

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

Draws the rotated bounding box.

Remarks:

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

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame associated with the rectangle.
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() [6/12]

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

Draws the rotated bounding box.

Remarks:

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

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame associated with the rectangle.
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 factor. By default, no panning occurs.

Draw() [7/12]

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

Draws the rotated bounding box.

Remarks:

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

Parameters

graphicContext	Graphic context on which to draw.
frame	Frame associated with the rectangle.
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 factor. By default, no panning occurs.
drawDiagonals	Specifies whether the diagonals of the bounding box are drawn.

Draw() [8/12]

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

Draws the rotated bounding box.

Remarks:

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

Parameters

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

Draw() [9/12]

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

Draws the rotated bounding box.

Remarks:

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

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() [10/12]

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

Draws the rotated bounding box.

Remarks:

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

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() [11/12]

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

Draws the rotated bounding box.

Remarks:

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

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 factor. By default, no panning occurs.

Draw() [12/12]

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

Draws the rotated bounding box.

Remarks:

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

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 factor. By default, no panning occurs.
drawDiagonals	Specifies whether the diagonals of the bounding box are drawn.

Height()

float eVision.ERotatedBoundingBox.Height

(

self

)

Returns the height of the bounding box.

LocalToGlobalBox()

eVision.ERotatedBoundingBox eVision.ERotatedBoundingBox.LocalToGlobalBox	(		self,
		eVision.ERotatedBoundingBox	localBox )

Transforms a (local) rotated bounding box, as another (global) rotated bounding box whose coordinates are defined relatively to the current rotated bounding box.

Parameters

localBox

The local rotated box.

LocalToGlobalPoint()

eVision.EPoint eVision.ERotatedBoundingBox.LocalToGlobalPoint	(		self,
		eVision.EPoint	localPoint )

Transforms a (local) point, as another (global) point whose coordinates are defined relatively to the current rotated bounding box.

Parameters

localPoint

The local point.

LocalToSensor()

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

Transforms a eVision.ERotatedBoundingBox from local to sensor coordinates.

Parameters

frame

Reference frame in which the region is defined. Frame must be affine and isotropic.

MajorAxis()

eVision.ELine eVision.ERotatedBoundingBox.MajorAxis

(

self

)

Returns the major axis of the eVision.ERotatedBoundingBox as an eVision.ELine.

Quadrangle()

eVision.EQuadrangle eVision.ERotatedBoundingBox.Quadrangle

(

self

)

Returns the coordinates of the four corners of the bounding box.

Rotate()

None eVision.ERotatedBoundingBox.Rotate	(		self,
		float	angle )

Applies a rotation to the bounding box.

The bounding box center is the center of rotation.

Parameters

angle

The rotation angle.

Scale()

None eVision.ERotatedBoundingBox.Scale	(		self,
		float	scaleWidth,
		float	scaleHeight )

Applies a scale to the size of the bounding box.

Parameters

scaleWidth	The scale to apply to the width.
scaleHeight	The scale to apply to the height.

SensorToLocal()

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

Transforms a eVision.ERotatedBoundingBox from sensor to local coordinates.

Parameters

frame

Reference frame in which the region is defined. Frame must be affine and isotropic.

Translate()

None eVision.ERotatedBoundingBox.Translate	(		self,
		float	offsetX,
		float	offsetY )

Applies a translation on the center of the bounding box.

Parameters

offsetX	The offset along the X-axis.
offsetY	The offset along the Y-axis.

UpperLeftCorner()

eVision.EPoint eVision.ERotatedBoundingBox.UpperLeftCorner

(

self

)

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

Width()

float eVision.ERotatedBoundingBox.Width

(

self

)

Returns the width of the bounding box.