static void Main(string[] args)
{
Random rnd = new Random();
//Creating an array with values, corresponding to linear function with added white noise
const int n = 360;
double[] array = new double[n];
for (int i = 0; i < n; i++)
{
double noise = 0;
noise = (double)rnd.Next(Int32.MinValue, Int32.MaxValue) / (Int32.MaxValue / rnd.Next(1, 30));
//if (i % 10 == 0) noise = 100; //Noise for tukey filter testing
array[i] = (double)i + noise;
}
BSDataObject source = new BSDataObject(array, "SourceData");
IVisualizer visualizer = new SimpleVisualizationHandler();
visualizer.AddToGraph(source);
visualizer.AddToGraph(new MedianPreprocessor().Process(source));
using (var ms = new MemoryStream(n * (sizeof(double) + sizeof(char))))
{
StreamWriter sw = new StreamWriter(ms);
for (int i = 0; i < n; i++)
{
array[i] = 80 * Math.Sin((double)i * Math.PI / 180.0);
sw.WriteLine(array[i]);
}
sw.Flush();
ms.Position = 0;
BSDataObject target = DataObjectSupplier.GetDataObjectForStream(ms, "Sine from memory stream");
visualizer.AddToGraph(target);
}
(visualizer as SimpleVisualizationHandler)._TestShow();
}
/// <summary>
/// Creates a new DataObject using data in file at <paramref name="iFilePath"/> path.
/// </summary>
/// <param name="iFilePath">A path to the file with data - relative or absolute.</param>
/// <exception cref="System.ArgumentNullException"/>
/// <exception cref="System.UnauthorizedAccessException"/>
/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.IO.FileNotFoundException"/>
/// <exception cref="System.IO.PathTooLongException"/>
/// <exception cref="System.FormatException"/>
/// <returns>New Dataobject.</returns>
public static BSDataObject DataObjectFromFile(string iFilePath)
{
BSDataObject result = null;
using (FileStream sr = new FileStream(iFilePath, FileMode.Open))
{
result = DataObjectSupplier.GetDataObjectForStream(sr);
}
return(result);
}
public void GetBSDataObjectForStreamTest()
{
const int numberOfPoints = 360;
double[] expectedArray = new double[numberOfPoints];
string fileName = Path.GetTempFileName();
Random rnd = new Random();
//Create a file with random values in it
using (var fileStream = new FileStream(fileName, FileMode.OpenOrCreate))
{
var streamWriter = new StreamWriter(fileStream);
for (int i = 0; i < numberOfPoints; i++)
{
expectedArray[i] = rnd.Next();
streamWriter.WriteLine(expectedArray[i]);
}
streamWriter.Flush();
}
//Get BSDataObject from this file
using (var fileStream = new FileStream(fileName, FileMode.Open))
{
BSDataObject target = DataObjectSupplier.GetDataObjectForStream(fileStream);
CollectionAssert.AreEqual(expectedArray, target.DataArray);
}
File.Delete(fileName);
//The same for memory stream
using (var memoryStream = new MemoryStream(numberOfPoints * (sizeof(double) + sizeof(char))))
{
StreamWriter streamWriter = new StreamWriter(memoryStream);
for (int i = 0; i < numberOfPoints; i++)
{
expectedArray[i] = Math.Sin((double)i * Math.PI / 180.0);
streamWriter.WriteLine(expectedArray[i]);
}
streamWriter.Flush();
memoryStream.Position = 0;
BSDataObject target = DataObjectSupplier.GetDataObjectForStream(memoryStream);
CheckTwoOrderedArrays(expectedArray, target.DataArray);
}
}
