Gets the number of items contained in this collection.

Gets a value indicating whether access to this collection is synchronized (thread-safe).

Gets or sets the item at the specified index. In C#, this property is the indexer for the collection.

Number of calipers that found an edge point. May be greater than the number of points used for the Circle fitting if some data points were ignored.

Number of points used to perform the Circle fitting. May be less than the number of points found by calipers if some data points were ignored.

Root mean square error for the fitting operation. It is computed by taking the square root of the mean of the squares of the individual errors.

Gets an object that can be used to synchronize access to this collection.