private static void MakeStrip(IEnumerable<Tuple<HsvColor, double>> colorPoints, string filePath)
{
var ramp = new ColorRamp(colorPoints);
var image = new Bitmap(500, 50);
for (int x = 0; x < image.Width; x++)
{
var color = ramp.GetColor((double)x / image.Width).ToColor();
for (int y = 0; y < image.Height; y++)
{
image.SetPixel(x, y, color);
}
}
image.Save(filePath);
}
public void Render(string outputDirectory, string outputFilename, ColorRamp colorRamp)
{
_log.InfoFormat("Creating image ({0:N0}x{1:N0})", _resolution.Width, _resolution.Height);
_log.Info("Loading trajectory...");
_hitPlot.LoadTrajectories(Path.Combine(_inputInputDirectory, _inputFilename));
_log.Info("Done loading; finding maximum...");
var max = _hitPlot.Max();
_log.DebugFormat("Found maximum: {0:N0}", max);
_log.Info("Starting to render");
var outputImg = new Bitmap(_resolution.Width, _resolution.Height);
var processedPixels =
_resolution
.GetAllPoints()
.AsParallel()
.WithDegreeOfParallelism(GlobalArguments.DegreesOfParallelism)
.Select(p => ComputeColor(p, max, colorRamp))
.AsEnumerable();
foreach (var result in processedPixels)
{
outputImg.SetPixel(result.Item1.X, result.Item1.Y, result.Item2);
}
_log.Info("Finished rendering");
_log.Debug("Saving image");
outputImg.Save(Path.Combine(outputDirectory, String.Format("{0}.png", outputFilename)));
_log.Debug("Done saving image");
}
private Tuple<Point, Color> ComputeColor(Point p, int max, ColorRamp colorRamp)
{
var current = _hitPlot.GetHitsForPoint(p);
var ratio = Gamma(1.0 - Math.Pow(Math.E, -10.0 * current / max));
return Tuple.Create(p, colorRamp.GetColor(ratio).ToColor());
}