eVision.EPolygon Class Reference

Represents a polygon. More...

Inheritance diagram for eVision.EPolygon:

Collaboration diagram for eVision.EPolygon:

Public Member Functions
None	__init__ (self)
	Constructs a eVision.EPolygon.
None	__init__ (self, eVision.EPolygon other)
	Constructs a eVision.EPolygon.
None	__init__ (self, list[eVision._eVision.EPoint] vertices, bool closed)
	Constructs a eVision.EPolygon.
None	__init__ (self, list[eVision._eVision.EPoint] vertices)
	Constructs a eVision.EPolygon.
None	CopyTo (self, eVision.EPolygon other)
	Copies the content of this object to the other one.
None	AppendVertex (self, eVision.EPoint pt)
	Appends a polygon vertex after the last.
None	InsertVertex (self, int index, eVision.EPoint pt)
	Inserts a vertex before the given index.
None	RemoveVertex (self, int index)
	Removes vertex at the given index.
None	SetVertex (self, int index, eVision.EPoint pt)
	Sets a polygon vertex.
eVision.EPoint	GetVertex (self, int index)
	Gets a polygon vertex.
bool	IsValid (self)
	Returns true if the polygon is valid.
float	GetEdgeLength (self, int index)
	Length of an edge.
float	GetEdgeAngle (self, int index)
	Angle of the edge with respect to the X-axis.
eVision.ELine	GetEdge (self, int index)
	Edge of the polygon as a eVision.ELine object.
eVision.EEditionMode	AddVertexAtDisplayPosition (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.
eVision.EEditionMode	AddVertexAtDisplayPosition (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.
eVision.EEditionMode	AddVertexAtDisplayPosition (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY)
	Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.
eVision.EEditionMode	AddVertexAtDisplayPosition (self, int x, int y, eVision.EFrame frame, float zoomX)
	Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.
eVision.EEditionMode	AddVertexAtDisplayPosition (self, int x, int y, eVision.EFrame frame)
	Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.
eVision.EEditionMode	AddVertexAtDisplayPosition (self, int x, int y, float zoomX, float zoomY, float panX, float panY)
	Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.
eVision.EEditionMode	AddVertexAtDisplayPosition (self, int x, int y, float zoomX, float zoomY, float panX)
	Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.
eVision.EEditionMode	AddVertexAtDisplayPosition (self, int x, int y, float zoomX, float zoomY)
	Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.
eVision.EEditionMode	AddVertexAtDisplayPosition (self, int x, int y, float zoomX)
	Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.
eVision.EEditionMode	AddVertexAtDisplayPosition (self, int x, int y)
	Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.
None	RemoveVertexAtDisplayPosition (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.
None	RemoveVertexAtDisplayPosition (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.
None	RemoveVertexAtDisplayPosition (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY)
	Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.
None	RemoveVertexAtDisplayPosition (self, int x, int y, eVision.EFrame frame, float zoomX)
	Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.
None	RemoveVertexAtDisplayPosition (self, int x, int y, eVision.EFrame frame)
	Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.
None	RemoveVertexAtDisplayPosition (self, int x, int y, float zoomX, float zoomY, float panX, float panY)
	Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.
None	RemoveVertexAtDisplayPosition (self, int x, int y, float zoomX, float zoomY, float panX)
	Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.
None	RemoveVertexAtDisplayPosition (self, int x, int y, float zoomX, float zoomY)
	Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.
None	RemoveVertexAtDisplayPosition (self, int x, int y, float zoomX)
	Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.
None	RemoveVertexAtDisplayPosition (self, int x, int y)
	Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.
None	RemoveVertexAtDisplayPosition (self)
	Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.
Public Member Functions inherited from eVision.EShape
None	Load (self, str path)
	Load the eVision.EShape configuration.
None	Load (self, eVision.ESerializer|None serializer)
	Load the eVision.EShape configuration.
None	Save (self, str path)
	Save the eVision.EShape configuration.
None	Save (self, eVision.ESerializer|None serializer)
	Save the eVision.EShape configuration.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draws the eVision.EShape shape.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, float zoomX, float zoomY, float panX, float panY)
	Draws the eVision.EShape shape.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, float zoomX, float zoomY, float panX)
	Draws the eVision.EShape shape.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, float zoomX, float zoomY)
	Draws the eVision.EShape shape.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, float zoomX)
	Draws the eVision.EShape shape.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter)
	Draws the eVision.EShape shape.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY, bool drawDiagonals)
	Draws the eVision.EShape shape.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Draws the eVision.EShape shape.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Draws the eVision.EShape shape.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, eVision.EFrame frame, float zoomX, float zoomY)
	Draws the eVision.EShape shape.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, eVision.EFrame frame, float zoomX)
	Draws the eVision.EShape shape.
None	Draw (self, eVision.EDrawAdapter|None drawAdapter, eVision.EFrame frame)
	Draws the eVision.EShape shape.
eVision.EEditionMode	HitTest (self, int x, int y, float zoomX, float zoomY, float panX, float panY)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (self, int x, int y, float zoomX, float zoomY, float panX)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (self, int x, int y, float zoomX, float zoomY)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (self, int x, int y, float zoomX)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY)
	Detects if the cursor is placed over one of the dragging handles.
eVision.EEditionMode	HitTest (self, int x, int y, eVision.EFrame frame, float zoomX)
	Detects if the cursor is placed over one of the dragging handles.
None	Drag (self, int x, int y, float zoomX, float zoomY, float panX, float panY)
	Moves the specified handle to a new position and updates all placement parameters of the region.
None	Drag (self, int x, int y, float zoomX, float zoomY, float panX)
	Moves the specified handle to a new position and updates all placement parameters of the region.
None	Drag (self, int x, int y, float zoomX, float zoomY)
	Moves the specified handle to a new position and updates all placement parameters of the region.
None	Drag (self, int x, int y, float zoomX)
	Moves the specified handle to a new position and updates all placement parameters of the region.
None	Drag (self, int x, int y)
	Moves the specified handle to a new position and updates all placement parameters of the region.
None	Drag (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX, float panY)
	Moves the specified handle to a new position and updates all placement parameters of the region.
None	Drag (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY, float panX)
	Moves the specified handle to a new position and updates all placement parameters of the region.
None	Drag (self, int x, int y, eVision.EFrame frame, float zoomX, float zoomY)
	Moves the specified handle to a new position and updates all placement parameters of the region.
None	Drag (self, int x, int y, eVision.EFrame frame, float zoomX)
	Moves the specified handle to a new position and updates all placement parameters of the region.
None	Drag (self, int x, int y, eVision.EFrame frame)
	Moves the specified handle to a new position and updates all placement parameters of the region.
eVision.EFrame	ToFrame (self, bool useAngle, eVision.EFrameScaling frameScaling)
	Converts the shape to a frame.
eVision.EFrame	ToFrame (self, bool useAngle, eVision.EFrameScaling frameScaling, eVision.EFrame shapeFrame)
	Converts the shape to a frame.
list[eVision._eVision.EFrame]	CreateFramesOnShape (self, int numFrames, float startOffset, float stopOffset, eVision.EFramesOrientation orientation)
	Distributes eVision.EFrames evenly along this shape's path or perimeter.
list[eVision._eVision.EFrame]	CreateFramesOnShape (self, int numFrames, float startOffset, float stopOffset)
	Distributes eVision.EFrames evenly along this shape's path or perimeter.
list[eVision._eVision.EFrame]	CreateFramesOnShape (self, int numFrames, float startOffset)
	Distributes eVision.EFrames evenly along this shape's path or perimeter.
list[eVision._eVision.EFrame]	CreateFramesOnShape (self, int numFrames)
	Distributes eVision.EFrames evenly along this shape's path or perimeter.

Properties
	IsClosed = property(_IsClosed__getter, _IsClosed__setter)
	The polygon close attribute.
	NumVertices = property(_NumVertices__getter, None)
	Returns the number of polygon's vertices.
	NumEdges = property(_NumEdges__getter, None)
	Returns the number of polygon's edges (or sides).
	Vertices = property(_Vertices__getter, None)
	Returns the list of polygon vertices.
	Length = property(_Length__getter, None)
	Returns the length (perimeter) of the polygon.
	Area = property(_Area__getter, None)
	Returns the area of the polygon.
	Center = property(_Center__getter, None)
	The center of the polygon (average position of all the vertices).
	AvailableEditionModes = property(_AvailableEditionModes__getter, None)
	Available edition modes for the shape.
	Description = property(_Description__getter, None)
	Textual description of the shape and its parameters.
Properties inherited from eVision.EShape
	EditionMode = property(_EditionMode__getter, _EditionMode__setter)
	Current edition mode for the shape.
	AvailableEditionModes = property(_AvailableEditionModes__getter, None)
	Available edition modes for the shape.
	Description = property(_Description__getter, None)
	Textual description of the shape and its parameters.

Detailed Description

Represents a polygon.

The number of vertices is arbitrary. A eVision.EPolygon could be closed (last and first point connected) or open (like a polyline shape).

Remarks:

License(s): BasicTypes

Constructor & Destructor Documentation

__init__() [1/4]

None eVision.EPolygon.__init__

(

self

)

Constructs a eVision.EPolygon.

__init__() [2/4]

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

Constructs a eVision.EPolygon.

Parameters

other

Reference to the eVision.EPolygon used for the initialization.

__init__() [3/4]

None eVision.EPolygon.__init__	(		self,
		list[eVision._eVision.EPoint]	vertices,
		bool	closed )

Constructs a eVision.EPolygon.

Parameters

vertices	A vector of at least 3 points.
closed	An optional parameter to set the closed properties. When closed, an edge exists between the last and first points of the polygon. By default, created polygons are closed.

__init__() [4/4]

None eVision.EPolygon.__init__	(		self,
		list[eVision._eVision.EPoint]	vertices )

Constructs a eVision.EPolygon.

Parameters

vertices

A vector of at least 3 points.

Member Function Documentation

AddVertexAtDisplayPosition() [1/10]

eVision.EEditionMode eVision.EPolygon.AddVertexAtDisplayPosition	(		self,
		int	x,
		int	y )

Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.

Returns EEditionMode.Stretch for the new vertex.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.

AddVertexAtDisplayPosition() [2/10]

eVision.EEditionMode eVision.EPolygon.AddVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		eVision.EFrame	frame )

Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.

Returns EEditionMode.Stretch for the new vertex.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
frame	Frame of reference in which the shape is defined.

AddVertexAtDisplayPosition() [3/10]

eVision.EEditionMode eVision.EPolygon.AddVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		eVision.EFrame	frame,
		float	zoomX )

Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.

Returns EEditionMode.Stretch for the new vertex.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
frame	Frame of reference in which the shape is defined.
zoomX	Horizontal zoom factor. By default, true scale is used.

AddVertexAtDisplayPosition() [4/10]

eVision.EEditionMode eVision.EPolygon.AddVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.

Returns EEditionMode.Stretch for the new vertex.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
frame	Frame of reference in which the shape is defined.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.

AddVertexAtDisplayPosition() [5/10]

eVision.EEditionMode eVision.EPolygon.AddVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX )

Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.

Returns EEditionMode.Stretch for the new vertex.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
frame	Frame of reference in which the shape is defined.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.
panX	Horizontal pan offset. By default, no pan is added.

AddVertexAtDisplayPosition() [6/10]

eVision.EEditionMode eVision.EPolygon.AddVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.

Returns EEditionMode.Stretch for the new vertex.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
frame	Frame of reference in which the shape is defined.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.
panX	Horizontal pan offset. By default, no pan is added.
panY	Vertical pan offset. By default, no pan is added.

AddVertexAtDisplayPosition() [7/10]

eVision.EEditionMode eVision.EPolygon.AddVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		float	zoomX )

Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.

Returns EEditionMode.Stretch for the new vertex.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
zoomX	Horizontal zoom factor. By default, true scale is used.

AddVertexAtDisplayPosition() [8/10]

eVision.EEditionMode eVision.EPolygon.AddVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		float	zoomX,
		float	zoomY )

Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.

Returns EEditionMode.Stretch for the new vertex.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.

AddVertexAtDisplayPosition() [9/10]

eVision.EEditionMode eVision.EPolygon.AddVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		float	zoomX,
		float	zoomY,
		float	panX )

Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.

Returns EEditionMode.Stretch for the new vertex.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.
panX	Horizontal pan offset. By default, no pan is added.

AddVertexAtDisplayPosition() [10/10]

eVision.EEditionMode eVision.EPolygon.AddVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Adds a vertex at the given mouse position such that the new vertex splits the edge that it is the closest to.

Returns EEditionMode.Stretch for the new vertex.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.
panX	Horizontal pan offset. By default, no pan is added.
panY	Vertical pan offset. By default, no pan is added.

AppendVertex()

None eVision.EPolygon.AppendVertex	(		self,
		eVision.EPoint	pt )

Appends a polygon vertex after the last.

Parameters

pt	The point to append.

CopyTo()

None eVision.EPolygon.CopyTo	(		self,
		eVision.EPolygon	other )

Copies the content of this object to the other one.

Parameters

other

Other eVision.EPolygon object in which to copy the content of this object.

GetEdge()

eVision.ELine eVision.EPolygon.GetEdge	(		self,
		int	index )

Edge of the polygon as a eVision.ELine object.

Parameters

index

Index of the edge between 0 and eVision.EPolygon.NumEdges - 1.

GetEdgeAngle()

float eVision.EPolygon.GetEdgeAngle	(		self,
		int	index )

Angle of the edge with respect to the X-axis.

Parameters

index

Index of the edge between 0 and eVision.EPolygon.NumEdges - 1.

GetEdgeLength()

float eVision.EPolygon.GetEdgeLength	(		self,
		int	index )

Length of an edge.

Parameters

index

Index of the edge between 0 and eVision.EPolygon.NumEdges - 1.

GetVertex()

eVision.EPoint eVision.EPolygon.GetVertex	(		self,
		int	index )

Gets a polygon vertex.

Parameters

index

The index of the vertex.

InsertVertex()

None eVision.EPolygon.InsertVertex	(		self,
		int	index,
		eVision.EPoint	pt )

Inserts a vertex before the given index.

Parameters

index	The index after which the vertex will be inserted.
pt	The point to insert.

IsValid()

bool eVision.EPolygon.IsValid

(

self

)

Returns true if the polygon is valid.

A valid polygon has at least 2 (when open) or 3 (when closed) distinct and valid vertices and no duplicate points.

RemoveVertex()

None eVision.EPolygon.RemoveVertex	(		self,
		int	index )

Removes vertex at the given index.

Parameters

index

The index of the vertex to remove.

RemoveVertexAtDisplayPosition() [1/11]

None eVision.EPolygon.RemoveVertexAtDisplayPosition

(

self

)

Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.

RemoveVertexAtDisplayPosition() [2/11]

None eVision.EPolygon.RemoveVertexAtDisplayPosition	(		self,
		int	x,
		int	y )

Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.

RemoveVertexAtDisplayPosition() [3/11]

None eVision.EPolygon.RemoveVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		eVision.EFrame	frame )

Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
frame	Frame of reference in which the shape is defined.

RemoveVertexAtDisplayPosition() [4/11]

None eVision.EPolygon.RemoveVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		eVision.EFrame	frame,
		float	zoomX )

Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
frame	Frame of reference in which the shape is defined.
zoomX	Horizontal zoom factor. By default, true scale is used.

RemoveVertexAtDisplayPosition() [5/11]

None eVision.EPolygon.RemoveVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY )

Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
frame	Frame of reference in which the shape is defined.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.

RemoveVertexAtDisplayPosition() [6/11]

None eVision.EPolygon.RemoveVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX )

Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
frame	Frame of reference in which the shape is defined.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.
panX	Horizontal pan offset. By default, no pan is added.

RemoveVertexAtDisplayPosition() [7/11]

None eVision.EPolygon.RemoveVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		eVision.EFrame	frame,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
frame	Frame of reference in which the shape is defined.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.
panX	Horizontal pan offset. By default, no pan is added.
panY	Vertical pan offset. By default, no pan is added.

RemoveVertexAtDisplayPosition() [8/11]

None eVision.EPolygon.RemoveVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		float	zoomX )

Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
zoomX	Horizontal zoom factor. By default, true scale is used.

RemoveVertexAtDisplayPosition() [9/11]

None eVision.EPolygon.RemoveVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		float	zoomX,
		float	zoomY )

Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.

RemoveVertexAtDisplayPosition() [10/11]

None eVision.EPolygon.RemoveVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		float	zoomX,
		float	zoomY,
		float	panX )

Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.
panX	Horizontal pan offset. By default, no pan is added.

RemoveVertexAtDisplayPosition() [11/11]

None eVision.EPolygon.RemoveVertexAtDisplayPosition	(		self,
		int	x,
		int	y,
		float	zoomX,
		float	zoomY,
		float	panX,
		float	panY )

Removes the vertex at the given position or the vertex hit during the last call to eVision.EShape.HitTest.

Parameters

x	x-coordinate of the mouse cursor.
y	y-coordinate of the mouse cursor.
zoomX	Horizontal zoom factor. By default, true scale is used.
zoomY	Vertical zoom factor. By default, true scale is used.
panX	Horizontal pan offset. By default, no pan is added.
panY	Vertical pan offset. By default, no pan is added.

SetVertex()

None eVision.EPolygon.SetVertex	(		self,
		int	index,
		eVision.EPoint	pt )

Sets a polygon vertex.

Parameters

index	The index of the vertex.
pt	The vertex position.

Property Documentation

Area

eVision.EPolygon.Area = property(_Area__getter, None)

static

Returns the area of the polygon.

AvailableEditionModes

eVision.EPolygon.AvailableEditionModes = property(_AvailableEditionModes__getter, None)

static

Available edition modes for the shape.

Center

eVision.EPolygon.Center = property(_Center__getter, None)

static

The center of the polygon (average position of all the vertices).

Description

eVision.EPolygon.Description = property(_Description__getter, None)

static

Textual description of the shape and its parameters.

IsClosed

eVision.EPolygon.IsClosed = property(_IsClosed__getter, _IsClosed__setter)

static

The polygon close attribute.

Length

eVision.EPolygon.Length = property(_Length__getter, None)

static

Returns the length (perimeter) of the polygon.

NumEdges

eVision.EPolygon.NumEdges = property(_NumEdges__getter, None)

static

Returns the number of polygon's edges (or sides).

Depends on the eVision.EPolygon.IsClosed status.

NumVertices

eVision.EPolygon.NumVertices = property(_NumVertices__getter, None)

static

Returns the number of polygon's vertices.

Vertices

eVision.EPolygon.Vertices = property(_Vertices__getter, None)

static

Returns the list of polygon vertices.