public void Drawer_NullReadonlyVoronoi_IOException()
{
ReadonlyBitmap.Set(null);
using (var writer = new Drawer(new Bitmap(10, 10)))
{
writer.DrawVoronoi(Fortunes.Run(9, 9, new Point2D[] {}));
}
}
public void LotsaPoints_Random_VerifyRegions()
{
var output = Fortunes.Run(1000, 1000, 1000);
var lines = output.OutputLines(1000, 1000);
var origins = output.Sites;
var count = origins.Count(site => output.OutputRegion(site, lines).Count == 0);
Assert.IsTrue(count < 5);
}
public void Drawer_HappyPath_IsHappy()
{
ReadonlyBitmap.Set(new Bitmap(10, 10));
using (var writer = new Drawer(ReadonlyBitmap.Get()))
{
writer.DrawVoronoi(Fortunes.Run(9, 9, new[] { new Point2D(0, 0), new Point2D(5, 5) }));
writer.SaveToNewImageFile("a.png", Directory.GetCurrentDirectory());
writer.SaveToNewImageFile("a.png", Directory.GetCurrentDirectory());
}
}
public void OnePoint_Normal_CorrectSize()
{
var set = new Point2D[1];
set[0] = new Point2D(5, 5);
var output = Fortunes.Run(9, 9, set);
var lines = output.OutputLines(9, 9);
var origins = output.Sites;
var region = output.OutputRegion(origins[0], lines);
Assert.AreEqual(1, origins.Length);
Assert.AreEqual(81, region.Count);
}
public void TwoPoints_DuplicatePoints_Happy()
{
var set = new Point2D[2];
set[0] = new Point2D(5, 5);
set[1] = new Point2D(5, 5);
var output = Fortunes.Run(9, 9, set);
var lines = output.OutputLines(9, 9);
var origins = output.Sites;
var region = output.OutputRegion(origins[0], lines);
Assert.AreEqual(2, origins.Length);
Assert.AreEqual(81, region.Count);
}
private static void Run(int iterations, Bitmap newImage, string fileName, string fileDirectory, int numberOfPointsToPlot)
{
ReadonlyBitmap.Set(newImage);
var nums = Enumerable.Range(0, iterations).ToArray();
var result = new ConcurrentDictionary <VoronoiOutput, double>();
Parallel.ForEach(nums, _ =>
{
var voronoiOutput = Fortunes.Run(ReadonlyBitmap.Get().Width, ReadonlyBitmap.Get().Height, numberOfPointsToPlot);
var averageDeltaE = voronoiOutput.CalculateAccuracy();
result.TryAdd(voronoiOutput, averageDeltaE);
});
var bestVoronoi = result.Aggregate((l, r) => l.Value < r.Value ? l : r).Key;
using (var writer = new Drawer(newImage))
{
writer.DrawVoronoi(bestVoronoi);
writer.SaveToNewImageFile(fileName, fileDirectory);
}
}
public void TwoPoints_Diag_CorrectSize()
{
var set = new Point2D[2];
set[0] = new Point2D(3, 3);
set[1] = new Point2D(7, 7);
var output = Fortunes.Run(9, 9, set);
var lines = output.OutputLines(9, 9);
var origins = output.Sites;
var region1 = output.OutputRegion(origins[0], lines);
var region2 = output.OutputRegion(origins[1], lines);
//Line endpoints are right, in 0,0 index
Assert.IsTrue(lines[8, 0]);
Assert.IsTrue(lines[0, 8]);
Assert.AreEqual(2, origins.Length);
Assert.AreEqual(72, region1.Count + region2.Count); //9*9-9(for the line) = 72
Assert.AreEqual(36, region1.Count);
}
private static void Main()
{
Console.Out.WriteLine("Started");
var output = Fortunes.Run(Width, Height, NumSites);
var lines = output.OutputLines(Width, Height);
var origins = output.Sites;
output.OutputConsole();
output.OutputFile(Width, Height);
Console.Out.WriteLine("File Created");
foreach (var site in origins)
{
var region = output.OutputRegion(site, lines);
//TODO Process regions
}
output.PrintRegions(Width, Height);
Console.Out.WriteLine("Finished");
}