CogPolygon ClassCognex VisionPro 9.7
Class that represents a polygon.
Inheritance Hierarchy

System Object
  System MarshalByRefObject
    Cognex.VisionPro.Implementation CogObjectBase
      Cognex.VisionPro CogPolygon

Namespace: Cognex.VisionPro
Assembly: Cognex.VisionPro.Core (in Cognex.VisionPro.Core.dll) Version: 73.0.0.0
Syntax

[SerializableAttribute]
public class CogPolygon : CogObjectBase, ICogNetInternal, 
	IDisposable, ICloneable, ISerializable, ICogHasChanged, ICogChangedEvent, 
	ICogShape, ICogRegion, ICogGraphic, ICogGraphicInteractive, ICogGraphicParentChild, 
	ICogGraphicHighlight

The CogPolygon type exposes the following members.

Constructors

  NameDescription
Public methodCogPolygon 
Constructs a new instance of this class.
Public methodCogPolygon(IntPtr)
Constructs a new instance of this class using com pointer.
Public methodCogPolygon(CogPolygon)
Constructs a new instance of this class as a deep copy of the given instance.
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Methods

  NameDescription
Public methodAddVertex
Add a vertex to the polygon. If the default index -1 is used, the new vertex will be added to the end of any existing vertices. Otherwise Index must be >= 0 and <= NumVertices.
Public methodArcCenter
Compute the center of mass of this polygon as if the mass were uniformly distributed along the perimeter. Generates an error if there are less than two vertices.
Public methodArcMoments1
Compute the zeroth and first moments of this polygon as if the mass were uniformly distributed along the perimeter. Results will be zero if there are fewer than two vertices.
Public methodArcMoments2
Compute the zeroth, first, and second moments of this polygon as if the mass were uniformly distributed along the perimeter. Results will be zero if there are fewer than two vertices.
Public methodAreaCenter
Compute the centroid of this polygon. Generates an error if there are fewer than 3 vertices.
Public methodAreaMoments1
Compute the zeroth and first moments of area of this polygon. Results will be zero if there are fewer than 3 vertices.
Public methodAreaMoments2
Compute the zeroth, first, and second moments of area of this polygon. Results will be zero if there are fewer than 3 vertices.
Protected methodClone
Returns a deep copy of this class instance. Derived classes that implement Clone should override this method; other clients who wish to clone this instance should call ICloneable.Clone. See also CogSerializer.DeepCopyObject
Public methodConvexHull
Compute and return a CogPolygon that is the convex hull of these vertices.
Public methodCopy
Create a new polygon that replicates the specified properties.
Public methodCopyBase
Copy a graphic and its derived parameters.
Public methodCreateObjRef
Creates an object that contains all the relevant information required to generate a proxy used to communicate with a remote object.
(Inherited from MarshalByRefObject.)
Public methodCreateRLE
Create an RLE representation of this Region.
Public methodDispose 
Protected methodDispose(Boolean)
Public methodDistanceToPoint
Shortest distance from a boundary of this shape to the given point. Points within closed shapes return a distance less than zero.
Public methodEnclosingRectangle
Minimum enclosing rectangle of this shape.
Public methodEquals
Determines whether the specified Object is equal to the current Object.
(Inherited from Object.)
Protected methodFinalize (Overrides Object Finalize .)
Public methodFitToBoundingBox
Adjust the shape's geometric properties so that the shape fits inside passed in rectangle.
Public methodFitToImage
Adjust the shape's geometric properties such that its default size is based on the image and its SelectedSpaceName. XScale and YScale are multipliers where 1.0 designates 100% scaling.
Protected methodGetAttributes
Implements the corresponding member of the ICustomTypeDescriptor interface. May be overridden in derived classes to provide custom type information.
(Inherited from CogObjectBase.)
Protected methodGetClassName
Implements the corresponding member of the ICustomTypeDescriptor interface. May be overridden in derived classes to provide custom type information.
(Inherited from CogObjectBase.)
Protected methodGetComponentName
Implements the corresponding member of the ICustomTypeDescriptor interface. May be overridden in derived classes to provide custom type information.
(Inherited from CogObjectBase.)
Protected methodGetConverter
Implements the corresponding member of the ICustomTypeDescriptor interface. May be overridden in derived classes to provide custom type information.
(Inherited from CogObjectBase.)
Protected methodGetDefaultEvent
Implements the corresponding member of the ICustomTypeDescriptor interface. May be overridden in derived classes to provide custom type information.
(Inherited from CogObjectBase.)
Protected methodGetDefaultProperty
Implements the corresponding member of the ICustomTypeDescriptor interface. May be overridden in derived classes to provide custom type information.
(Inherited from CogObjectBase.)
Protected methodGetEditor
Implements the corresponding member of the ICustomTypeDescriptor interface. May be overridden in derived classes to provide custom type information.
(Inherited from CogObjectBase.)
Protected methodGetEvents 
Implements the corresponding member of the ICustomTypeDescriptor interface. May be overridden in derived classes to provide custom type information.
(Inherited from CogObjectBase.)
Protected methodGetEvents( Attribute )
Implements the corresponding member of the ICustomTypeDescriptor interface. May be overridden in derived classes to provide custom type information.
(Inherited from CogObjectBase.)
Public methodGetHashCode
Serves as a hash function for a particular type.
(Inherited from Object.)
Public methodGetLifetimeService
Retrieves the current lifetime service object that controls the lifetime policy for this instance.
(Inherited from MarshalByRefObject.)
Protected methodGetObjectData
Public methodGetParentFromChildTransform
Protected methodGetProperties 
Implements the corresponding member of the ICustomTypeDescriptor interface. May be overridden in derived classes to provide custom type information.
(Inherited from CogObjectBase.)
Protected methodGetProperties( Attribute ) (Overrides CogObjectBase GetProperties( Attribute ).)
Protected methodGetPropertyOwner
Implements the corresponding member of the ICustomTypeDescriptor interface. May be overridden in derived classes to provide custom type information.
(Inherited from CogObjectBase.)
Public methodGetType
Gets the Type of the current instance.
(Inherited from Object.)
Public methodGetVertex
Get the coordinates of the vertex at the specified index. Index must be >= 0 and < NumVertices.
Public methodGetVertexAdornmentColor
The adornment color for the vertex with the given index.
Public methodGetVertexX
The X-coordinate of the vertex with the given index.
Public methodGetVertexY
The Y-coordinate of the vertex with the given index.
Public methodGetVertices
The X,Y coordinates of all vertices, returned as a two-dimensional array. The size of this array is automatically set to match the number of vertices.
Public methodHighlightRelinquish
Decrement the HighlightRequested reference count, unless it is already zero. If HighlightRequested reaches zero, vertex highlighting is disabled.
Public methodHighlightRequest
Enables vertex highlighting by incrementing HighlightRequested.
Public methodInitializeLifetimeService
Obtains a lifetime service object to control the lifetime policy for this instance.
(Inherited from MarshalByRefObject.)
Public methodMakeShapeModel
Returns a newly created shape model with the given weight and polarity. The 'Shape' property of the returned shape model will refer to this shape, or a copy of this shape, as specified by the CopyShape argument.
Public methodMap
Maps this shape through the given transform.
Public methodMapLinear
Create a new polygon by mapping this one through the given transform.
Public methodMeanVertex
Return the average X and Y coordinates of all the vertices. Generates an error if there are no vertices.
Protected methodMemberwiseClone 
Creates a shallow copy of the current Object.
(Inherited from Object.)
Protected methodMemberwiseClone(Boolean)
Creates a shallow copy of the current MarshalByRefObject object.
(Inherited from MarshalByRefObject.)
Public methodNearestVertex
Return the index number of the vertex nearest to the supplied X,Y coordinates. Generates an error if there are no vertices.
Public methodRemoveVertex
Remove the specified vertex from the polygon. Index must be >= 0 and < NumVertices.
Public methodResumeAndRaiseChangedEvent
Re-enables raising of the Changed event after SuspendChangedEvent has been called. Also raises the Changed event if the ChangedEventSuspended count is reduced to zero and any changes were made while events were suspended. Must be called once for each call to SuspendChangedEvent.
Public methodSetVertex
Set the coordinates of the vertex at the specified index. Index must be >= 0 and < NumVertices.
Public methodSetVertexAdornmentColor
The adornment color for the vertex with the given index.
Public methodSetVertexX
The X-coordinate of the vertex with the given index.
Public methodSetVertexY
The Y-coordinate of the vertex with the given index.
Public methodSetVertices
Modify the coordinates of the vertices to match the supplied values. If there are more supplied values than vertices, append sufficient vertices. If there are fewer supplied values than vertices, discard vertices at the end.
Public methodSuspendChangedEvent
Temporarily suspends the raising of the Changed event. May be called more than once, and a corresponding call to ResumeAndRaiseChangedEvent must be made for each call to SuspendChangedEvent.
Public methodToString
Returns a String that represents the current Object.
(Inherited from Object.)
Public methodVertexReserve
If the supplied value is less than or equal to the current VertexCapacity, there will be no change. Otherwise, ensure that VertexCapacity is greater than or equal to the supplied value.
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Fields

  NameDescription
Public fieldStatic memberSfArea
This bit will be set in the EventArgs of a Changed event every time the value returned by Area may have changed.
Public fieldStatic memberSfChildren
This bit will be set in the EventArgs of a Changed event every time the value returned by Children may have changed.
Public fieldStatic memberSfColor
This bit will be set in the EventArgs of a Changed event every time the value returned by Color may have changed.
Public fieldStatic memberSfComplex
This bit will be set in the EventArgs of a Changed event every time the value returned by Complex may have changed.
Public fieldStatic memberSfConvex
This bit will be set in the EventArgs of a Changed event every time the value returned by Convex may have changed.
Public fieldStatic memberSfCreateRLE
This bit will be set in the EventArgs of a Changed event every time the value returned by CreateRLE may have changed.
Public fieldStatic memberSfDragColor
This bit will be set in the EventArgs of a Changed event every time the value returned by DragColor may have changed.
Public fieldStatic memberSfDragLineStyle
This bit will be set in the EventArgs of a Changed event every time the value returned by DragLineStyle may have changed.
Public fieldStatic memberSfDragLineWidthInScreenPixels
This bit will be set in the EventArgs of a Changed event every time the value returned by DragLineWidthInScreenPixels may have changed.
Public fieldStatic memberSfEnclosingRectangle
This bit will be set in the EventArgs of a Changed event every time the value returned by EnclosingRectangle may have changed.
Public fieldStatic memberSfFillMode
This bit will be set in the EventArgs of a Changed event every time the value returned by FillMode may have changed.
Public fieldStatic memberSfGetVertexAdornmentColor
This bit will be set in the EventArgs of a Changed event every time the value returned by GetVertexAdornmentColor may have changed.
Public fieldStatic memberSfGetVertexX
This bit will be set in the EventArgs of a Changed event every time the value returned by GetVertexX may have changed.
Public fieldStatic memberSfGetVertexY
This bit will be set in the EventArgs of a Changed event every time the value returned by GetVertexY may have changed.
Public fieldStatic memberSfGraphicDOFEnable
This bit will be set in the EventArgs of a Changed event every time the value returned by GraphicDOFEnable may have changed.
Public fieldStatic memberSfGraphicDOFEnableBase
This bit will be set in the EventArgs of a Changed event every time the value returned by GraphicDOFEnableBase may have changed.
Public fieldStatic memberSfHighlightColor
This bit will be set in the EventArgs of a Changed event every time the value returned by HighlightColor may have changed.
Public fieldStatic memberSfHighlightIndex
This bit will be set in the EventArgs of a Changed event every time the value returned by HighlightIndex may have changed.
Public fieldStatic memberSfHighlightRequested
This bit will be set in the EventArgs of a Changed event every time the value returned by HighlightRequested may have changed.
Public fieldStatic memberSfInteractive
This bit will be set in the EventArgs of a Changed event every time the value returned by Interactive may have changed.
Public fieldStatic memberSfLineStyle
This bit will be set in the EventArgs of a Changed event every time the value returned by LineStyle may have changed.
Public fieldStatic memberSfLineWidthInScreenPixels
This bit will be set in the EventArgs of a Changed event every time the value returned by LineWidthInScreenPixels may have changed.
Public fieldStatic memberSfMouseCursor
This bit will be set in the EventArgs of a Changed event every time the value returned by MouseCursor may have changed.
Public fieldStatic memberSfNumVertices
This bit will be set in the EventArgs of a Changed event every time the value returned by NumVertices may have changed.
Public fieldStatic memberSfParent
This bit will be set in the EventArgs of a Changed event every time the value returned by Parent may have changed.
Public fieldStatic memberSfPerimeter
This bit will be set in the EventArgs of a Changed event every time the value returned by Perimeter may have changed.
Public fieldStatic memberSfSelected
This bit will be set in the EventArgs of a Changed event every time the value returned by Selected may have changed.
Public fieldStatic memberSfSelectedColor
This bit will be set in the EventArgs of a Changed event every time the value returned by SelectedColor may have changed.
Public fieldStatic memberSfSelectedLineStyle
This bit will be set in the EventArgs of a Changed event every time the value returned by SelectedLineStyle may have changed.
Public fieldStatic memberSfSelectedLineWidthInScreenPixels
This bit will be set in the EventArgs of a Changed event every time the value returned by SelectedLineWidthInScreenPixels may have changed.
Public fieldStatic memberSfSelectedSpaceName
This bit will be set in the EventArgs of a Changed event every time the value returned by SelectedSpaceName may have changed.
Public fieldStatic memberSfTipText
This bit will be set in the EventArgs of a Changed event every time the value returned by TipText may have changed.
Public fieldStatic memberSfVertexAdornment
This bit will be set in the EventArgs of a Changed event every time the value returned by VertexAdornment may have changed.
Public fieldStatic memberSfVertexCapacity
This bit will be set in the EventArgs of a Changed event every time the value returned by VertexCapacity may have changed.
Public fieldStatic memberSfVisible
This bit will be set in the EventArgs of a Changed event every time the value returned by Visible may have changed.
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Properties

  NameDescription
Public propertyArea
Area of the enclosed region, in units consistent with the SelectedSpaceName. Zero if there are fewer than 3 vertices.
Public propertyChangedEventSuspended
If nonzero, indicates that the raising of the Changed event has been suspended. This value is incremented when SuspendChangedEvent is called and decremented when ResumeAndRaiseChangedEvent is called.
Public propertyChildren
Children of this graphic.
Public propertyColor
Color of this graphic. Can be any OLE_COLOR.
Public propertyComplex
True if any segments are intersecting, otherwise False.
Public propertyConvex
True if the polygon is identical to the convex hull of its vertices, otherwise False.
Public propertyDragColor
Color of this graphic when dragged.
Public propertyDragLineStyle
Line style of this graphic when dragged.
Public propertyDragLineWidthInScreenPixels
Line width of this graphic when dragged.
Public propertyFillMode
The algorithm to be used to distinguish inside from outside.
Public propertyGraphicDOFEnable
Interactive Degree of freedom for this graphic object. Provides the ability to govern interactive manipulation of an object; for example could be used to prevent an object from being resized.
Public propertyGraphicDOFEnableBase
Interactive Degree of freedom for a graphic object. Allows access to each graphic's GraphicDOFEnable property without knowing the specific graphic type.
Public propertyHasChanged
If true, the serializable state of this object has changed since the last time it was serialized.
Public propertyHighlightColor
Get or set the color of the vertex highlight.
Public propertyHighlightIndex
Get or set the index of the vertex to be highlighted. If set to -1, no vertex highlighting will occur.
Public propertyHighlightRequested
If greater than zero, vertex highlighting is enabled.
Public propertyInteractive
Interactive property allow this graphic object to be selected. See GraphicDOFEnable for information on governing interactive manipulation of an object.
Public propertyLineStyle
Line style of this graphic.
Public propertyLineWidthInScreenPixels
Line width (in screen pixels) of this graphic.
Public propertyMouseCursor
Mouse cursor to be displayed when the mouse is over the graphic. The cursor will be visible only if the graphic is interactive.
Public propertyNumVertices
Number of vertices in this polygon.
Public propertyParent
Parent of this graphic.
Public propertyPerimeter
Perimeter of the polygon, in units consistent with the SelectedSpaceName. Zero if there are fewer than 2 vertices.
Public propertySelected
True when the shape is selected in a display.
Public propertySelectedColor
Color of this graphic when selected.
Public propertySelectedLineStyle
Line style of this graphic when selected.
Public propertySelectedLineWidthInScreenPixels
Line width of this graphic when selected.
Public propertySelectedSpaceName
Coordinate space in which this shape is to be interpreted.
Public propertyTipText
Text to describe this graphic in a tool tip.
Public propertyVertexAdornment
The adornment shape to be rendered for each vertex.
Public propertyVertexCapacity
The maximum number of vertices that may be held by this polygon without reallocating storage.
Public propertyVisible
Visible property of this graphic.
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Events

  NameDescription
Public eventBulkChanged
Occurs after a bulk change to the polygon, such as a call to SetVertices or loading from an archive.
Public eventChanged
Occurs when one or more parts of the object's state may have changed.
Public eventDragging
Occurs when an interactive graphic is being dragged.
Public eventDraggingStopped
Occurs after the drag operation of an interactive graphic is complete.
Public eventVertexAdded
Occurs after one or more vertices are added to the polygon.
Public eventVertexChanged
Occurs after the x or y coordinate of a single vertex is changed in the polygon.
Public eventVertexRemoved
Occurs after one or more vertices are deleted from the polygon.
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Remarks

Interface describing a polygon shape.

See Also