public void Start(int tilesize)
{
Console.WriteLine("Compression Size Test For Specific Raster");
// this is set up for erdas imagine with a spillfile.
FileInfo f = new FileInfo(filename);
FileInfo f2 = new FileInfo(filename.Substring(0, filename.Length - 4) + ".ige");
Console.WriteLine("Present Filename: " + filename);
Console.WriteLine("Size: " + ((f.Length + f2.Length) / 1024 / 1024).ToString() + " Mb");
GDALRead r = new GDALRead(filename);
r.OpenFile();
report = new Dictionary <double, TimePieces>();
var total = Selections.Select(o => o.Value.Count).Sum();
Console.WriteLine("Running tests for {0} selections", total);
Console.WriteLine("Encoding for tile size: {0}", tilesize);
int counted = 0;
foreach (var sel in Selections)
{
Console.WriteLine("On Panel Start: {0}", sel.Key);
TimePieces summary = new TimePieces();
foreach (var l in sel.Value)
{
counted++;
Console.CursorLeft = 0;
Console.Write(" ");
Console.CursorLeft = 0;
Console.Write("On sample #{0} of {1}", counted, total);
var test = r.GetTileTest(l.x, l.y, tilesize);
summary.Pieces.Add(test);
summary.OfMeasures++;
summary.PngSize += test.PngSize;
summary.TiffSize += test.TiffSize;
summary.PngTime = summary.PngTime + test.PngTime;
summary.TiffTime = summary.TiffTime + test.TiffTime;
summary.CopyTime = summary.CopyTime + test.CopyTime;
}
report.Add(sel.Key, summary);
Console.WriteLine();
}
Console.WriteLine("Calulated Sizes.");
}
/// <summary>
/// This function performs data tracking on one tile at a specific tile size and location for the compression test
/// Also taking into mind processing time for each major step.
/// </summary>
/// <param name="tilex"></param>
/// <param name="tiley"></param>
/// <param name="tilesize"></param>
/// <returns></returns>
public TimePieces GetTileTest(int tilex, int tiley, int tilesize)
{
TimePieces t = new TimePieces();
int tilewidth = (tilex + 1) * tilesize > RasterImg.RasterXSize ? remainderX(tilesize) : tilesize;
int tileheight = (tiley + 1) * tilesize > RasterImg.RasterYSize ? remaindery(tilesize) : tilesize;
DateTime start = DateTime.Now;
int startx = tilex * tilesize;
int starty = tiley * tilesize;
Bitmap b = CopyToBitmap(1, tilewidth, tileheight, startx, starty, tilewidth, tileheight);
DateTime end = DateTime.Now;
t.CopyTime = end - start;
start = DateTime.Now;
MemoryStream ms = new MemoryStream();
b.Save(ms, ImageFormat.Png);
end = DateTime.Now;
t.PngTime = end - start;
t.PngSize = ms.Length;
start = DateTime.Now;
ms = new MemoryStream();
// var codec = ImageCodecInfo.GetImageEncoders().Where(o => o.FormatID.Equals(ImageFormat.Tiff)).First();
b.Save(ms, ImageFormat.Tiff);
end = DateTime.Now;
t.TiffSize = ms.Length;
t.TiffTime = end - start;
return(t);
}
