 | CvContourPolygon Class |
Polygon based contour.
Inheritance HierarchyNamespace: OpenCvSharp.Blob
Assembly: OpenCvSharp.Blob (in OpenCvSharp.Blob.dll) Version: 1.0.0
SyntaxThe CvContourPolygon type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | CvContourPolygon | Initializes a new instance of the CvContourPolygon class |
| CvContourPolygon(IEnumerablePoint) | Initializes a new instance of the CvContourPolygon class |
Properties| Name | Description | |
|---|---|---|
 | Capacity | Gets or sets the total number of elements the internal data structure can hold without resizing. (Inherited from ListPoint.) |
| Count | Gets the number of elements contained in the ListT. (Inherited from ListPoint.) |
| Item | Gets or sets the element at the specified index. (Inherited from ListPoint.) |
Methods| Name | Description | |
|---|---|---|
| Add | Adds an object to the end of the ListT. (Inherited from ListPoint.) |
| AddRange | Adds the elements of the specified collection to the end of the ListT. (Inherited from ListPoint.) |
| Area |
Calculates area of a polygonal contour.
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| AsReadOnly | Returns a read-only ReadOnlyCollectionT wrapper for the current collection. (Inherited from ListPoint.) |
| BinarySearch(T) | Searches the entire sorted ListT for an element using the default comparer and returns the zero-based index of the element. (Inherited from ListPoint.) |
| BinarySearch(T, IComparerT) | Searches the entire sorted ListT for an element using the specified comparer and returns the zero-based index of the element. (Inherited from ListPoint.) |
| BinarySearch(Int32, Int32, T, IComparerT) | Searches a range of elements in the sorted ListT for an element using the specified comparer and returns the zero-based index of the element. (Inherited from ListPoint.) |
| Circularity |
Calculates the circularity of a polygon (compactness measure).
|
| Clear | Removes all elements from the ListT. (Inherited from ListPoint.) |
| Contains | Determines whether an element is in the ListT. (Inherited from ListPoint.) |
| ContourConvexHull |
Calculates convex hull of a contour.
Uses the Melkman Algorithm. Code based on the version in http://w3.impa.br/~rdcastan/Cgeometry/.
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| ConvertAllTOutput | Converts the elements in the current ListT to another type, and returns a list containing the converted elements. (Inherited from ListPoint.) |
| CopyTo(T) | Copies the entire ListT to a compatible one-dimensional array, starting at the beginning of the target array. (Inherited from ListPoint.) |
| CopyTo(T, Int32) | Copies the entire ListT to a compatible one-dimensional array, starting at the specified index of the target array. (Inherited from ListPoint.) |
| CopyTo(Int32, T, Int32, Int32) | Copies a range of elements from the ListT to a compatible one-dimensional array, starting at the specified index of the target array. (Inherited from ListPoint.) |
| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
| Exists | Determines whether the ListT contains elements that match the conditions defined by the specified predicate. (Inherited from ListPoint.) |
 | Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| Find | Searches for an element that matches the conditions defined by the specified predicate, and returns the first occurrence within the entire ListT. (Inherited from ListPoint.) |
| FindAll | Retrieves all the elements that match the conditions defined by the specified predicate. (Inherited from ListPoint.) |
| FindIndex(PredicateT) | Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the first occurrence within the entire ListT. (Inherited from ListPoint.) |
| FindIndex(Int32, PredicateT) | Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the first occurrence within the range of elements in the ListT that extends from the specified index to the last element. (Inherited from ListPoint.) |
| FindIndex(Int32, Int32, PredicateT) | Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the first occurrence within the range of elements in the ListT that starts at the specified index and contains the specified number of elements. (Inherited from ListPoint.) |
| FindLast | Searches for an element that matches the conditions defined by the specified predicate, and returns the last occurrence within the entire ListT. (Inherited from ListPoint.) |
| FindLastIndex(PredicateT) | Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the last occurrence within the entire ListT. (Inherited from ListPoint.) |
| FindLastIndex(Int32, PredicateT) | Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the last occurrence within the range of elements in the ListT that extends from the first element to the specified index. (Inherited from ListPoint.) |
| FindLastIndex(Int32, Int32, PredicateT) | Searches for an element that matches the conditions defined by the specified predicate, and returns the zero-based index of the last occurrence within the range of elements in the ListT that contains the specified number of elements and ends at the specified index. (Inherited from ListPoint.) |
| ForEach | Performs the specified action on each element of the ListT. (Inherited from ListPoint.) |
| GetEnumerator | Returns an enumerator that iterates through the ListT. (Inherited from ListPoint.) |
| GetHashCode | Serves as the default hash function. (Inherited from Object.) |
| GetRange | Creates a shallow copy of a range of elements in the source ListT. (Inherited from ListPoint.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| IndexOf(T) | Searches for the specified object and returns the zero-based index of the first occurrence within the entire ListT. (Inherited from ListPoint.) |
| IndexOf(T, Int32) | Searches for the specified object and returns the zero-based index of the first occurrence within the range of elements in the ListT that extends from the specified index to the last element. (Inherited from ListPoint.) |
| IndexOf(T, Int32, Int32) | Searches for the specified object and returns the zero-based index of the first occurrence within the range of elements in the ListT that starts at the specified index and contains the specified number of elements. (Inherited from ListPoint.) |
| Insert | Inserts an element into the ListT at the specified index. (Inherited from ListPoint.) |
| InsertRange | Inserts the elements of a collection into the ListT at the specified index. (Inherited from ListPoint.) |
| LastIndexOf(T) | Searches for the specified object and returns the zero-based index of the last occurrence within the entire ListT. (Inherited from ListPoint.) |
| LastIndexOf(T, Int32) | Searches for the specified object and returns the zero-based index of the last occurrence within the range of elements in the ListT that extends from the first element to the specified index. (Inherited from ListPoint.) |
| LastIndexOf(T, Int32, Int32) | Searches for the specified object and returns the zero-based index of the last occurrence within the range of elements in the ListT that contains the specified number of elements and ends at the specified index. (Inherited from ListPoint.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| Perimeter |
Calculates perimeter of a chain code contour.
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| Remove | Removes the first occurrence of a specific object from the ListT. (Inherited from ListPoint.) |
| RemoveAll | Removes all the elements that match the conditions defined by the specified predicate. (Inherited from ListPoint.) |
| RemoveAt | Removes the element at the specified index of the ListT. (Inherited from ListPoint.) |
| RemoveRange | Removes a range of elements from the ListT. (Inherited from ListPoint.) |
| Render(Mat) |
Draw a polygon.
|
| Render(Mat, Scalar) |
Draw a polygon.
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| Reverse | Reverses the order of the elements in the entire ListT. (Inherited from ListPoint.) |
| Reverse(Int32, Int32) | Reverses the order of the elements in the specified range. (Inherited from ListPoint.) |
| Simplify |
Simplify a polygon reducing the number of vertex according the distance "delta".
Uses a version of the Ramer-Douglas-Peucker algorithm (http://en.wikipedia.org/wiki/Ramer-Douglas-Peucker_algorithm).
|
| Simplify(Double) |
Simplify a polygon reducing the number of vertex according the distance "delta".
Uses a version of the Ramer-Douglas-Peucker algorithm (http://en.wikipedia.org/wiki/Ramer-Douglas-Peucker_algorithm).
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| Sort | Sorts the elements in the entire ListT using the default comparer. (Inherited from ListPoint.) |
| Sort(IComparerT) | Sorts the elements in the entire ListT using the specified comparer. (Inherited from ListPoint.) |
| Sort(ComparisonT) | Sorts the elements in the entire ListT using the specified ComparisonT. (Inherited from ListPoint.) |
| Sort(Int32, Int32, IComparerT) | Sorts the elements in a range of elements in ListT using the specified comparer. (Inherited from ListPoint.) |
| ToArray | Copies the elements of the ListT to a new array. (Inherited from ListPoint.) |
| ToString |
Converts this to CSV string
(Overrides ObjectToString.) |
| ToSvg | |
| TrimExcess | Sets the capacity to the actual number of elements in the ListT, if that number is less than a threshold value. (Inherited from ListPoint.) |
| TrueForAll | Determines whether every element in the ListT matches the conditions defined by the specified predicate. (Inherited from ListPoint.) |
| WriteAsCsv |
Write a contour to a CSV (Comma-separated values) file.
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| WriteAsSvg(String) |
Write a contour to a SVG file.
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| WriteAsSvg(String, Scalar, Scalar) |
Write a contour to a SVG file.
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See Also