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PointsMarker Class

Filter to mark (highlight) points in a image.
Inheritance Hierarchy
SystemObject
  Accord.Imaging.FiltersBaseInPlaceFilter
    Accord.Imaging.FiltersPointsMarker

Namespace:  Accord.Imaging.Filters
Assembly:  Accord.Imaging (in Accord.Imaging.dll) Version: 3.6.0
Syntax
public class PointsMarker : BaseInPlaceFilter
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The PointsMarker type exposes the following members.

Constructors
  NameDescription
Public methodPointsMarker(Color)
Initializes a new instance of the PointsMarker class.
Public methodPointsMarker(IListIFeaturePoint)
Initializes a new instance of the PointsMarker class.
Public methodPointsMarker(IEnumerableIntPoint)
Initializes a new instance of the PointsMarker class.
Public methodPointsMarker(Color, Int32)
Initializes a new instance of the PointsMarker class.
Public methodPointsMarker(IListIFeaturePoint, Color)
Initializes a new instance of the PointsMarker class.
Public methodPointsMarker(IEnumerableIntPoint, Color)
Initializes a new instance of the PointsMarker class.
Public methodPointsMarker(IListIFeaturePoint, Color, Int32)
Initializes a new instance of the PointsMarker class.
Public methodPointsMarker(IEnumerableIntPoint, Color, Int32)
Initializes a new instance of the PointsMarker class.
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Properties
  NameDescription
Public propertyFormatTranslations
Format translations dictionary.
(Overrides BaseInPlaceFilterFormatTranslations.)
Public propertyMarkerColor
Color used to mark corners.
Public propertyPoints
Gets or sets the set of points to mark.
Public propertyWidth
Gets or sets the width of the points to be drawn.
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Methods
  NameDescription
Public methodApply(Bitmap)
Apply filter to an image.
(Inherited from BaseInPlaceFilter.)
Public methodApply(BitmapData)
Apply filter to an image.
(Inherited from BaseInPlaceFilter.)
Public methodApply(UnmanagedImage)
Apply filter to an image in unmanaged memory.
(Inherited from BaseInPlaceFilter.)
Public methodApply(UnmanagedImage, UnmanagedImage)
Apply filter to an image in unmanaged memory.
(Inherited from BaseInPlaceFilter.)
Public methodApplyInPlace(Bitmap)
Apply filter to an image.
(Inherited from BaseInPlaceFilter.)
Public methodApplyInPlace(BitmapData)
Apply filter to an image.
(Inherited from BaseInPlaceFilter.)
Public methodApplyInPlace(UnmanagedImage)
Apply filter to an unmanaged image.
(Inherited from BaseInPlaceFilter.)
Public methodEquals
Determines whether the specified object is equal to the current object.
(Inherited from Object.)
Protected methodFinalize
Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.
(Inherited from Object.)
Public methodGetHashCode
Serves as the default hash function.
(Inherited from Object.)
Public methodGetType
Gets the Type of the current instance.
(Inherited from Object.)
Protected methodMemberwiseClone
Creates a shallow copy of the current Object.
(Inherited from Object.)
Protected methodProcessFilter
Process the filter on the specified image.
(Overrides BaseInPlaceFilterProcessFilter(UnmanagedImage).)
Public methodToString
Returns a string that represents the current object.
(Inherited from Object.)
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Extension Methods
  NameDescription
Public Extension MethodHasMethod
Checks whether an object implements a method with the given name.
(Defined by ExtensionMethods.)
Public Extension MethodIsEqual
Compares two objects for equality, performing an elementwise comparison if the elements are vectors or matrices.
(Defined by Matrix.)
Public Extension MethodToT
Converts an object into another type, irrespective of whether the conversion can be done at compile time or not. This can be used to convert generic types to numeric types during runtime.
(Defined by ExtensionMethods.)
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Remarks

The filter highlights points on the image using a given set of points.

The filter accepts 8 bpp grayscale, 24 and 32 bpp color images for processing.

Examples

Sample usage:

// Create a blob contour's instance
BlobCounter bc = new BlobCounter(image);

// Extract blobs
Blob[] blobs = bc.GetObjectsInformation();
bc.ExtractBlobsImage(bmp, blobs[0], true);

// Extract blob's edge points
List<IntPoint> contour = bc.GetBlobsEdgePoints(blobs[0]);

// Create a green, 2 pixel width points marker's instance
PointsMarker marker = new PointsMarker(contour, Color.Green, 2);

// Apply the filter in a given color image
marker.ApplyInPlace(colorBlob);

See Also