static public void ToFITS(AstroPhoto.LibRaw.Instance libraw, string srcPath, string destPath)
{
// 2880 = 36 lines * 80 chars
string card = "";
card += "SIMPLE = T ";
card += "BITPIX = 16 ";
card += "NAXIS = 2 ";
card += "NAXIS1 = 4928 ";
card += "NAXIS2 = 3276 ";
card += "BZERO = 0.0 ";
card += "BSCALE = 1.0 ";
card += "END ";
for (int i = 8; i < 36; i++)
{
card += new string( ' ', 80 );
}
System.IO.File.WriteAllText(destPath, card);
using (var rawImage = libraw.load_raw(srcPath)) {
var bytes = rawImage.GetBytes();
for (int i = 0; i < bytes.Length; i += 2)
{
byte temp = bytes[i];
bytes[i] = bytes[i + 1];
bytes[i + 1] = temp;
}
using (var stream = System.IO.File.Open(destPath, System.IO.FileMode.Append)) {
stream.Write(bytes, 0, bytes.Length);
if (bytes.Length % 2880 != 0)
{
int paddingLength = 2880 - bytes.Length % 2880;
var padding = new byte[paddingLength];
stream.Write(padding, 0, padding.Length);
}
}
}
}
static public void ToIris(AstroPhoto.LibRaw.Instance libraw, StackItem[] currentStack)
{
var dark = ImageTools.CreateDarkMedian(libraw, @"E:\Астрофото\2012-08-24\_DARK-ISO1600");
string irisRoot = "C:\\IRIS_TEMP\\";
var script = new List <string>();
int width = -1;
int height = -1;
int number = 1;
for (int i = 0; i < currentStack.Length; i++)
{
if (currentStack[i].IsExcluded)
{
continue;
}
using (var rawImage = libraw.load_raw(currentStack[i].FilePath)) {
ushort[] pixels = rawImage.GetRawPixels();
byte[] bytes = new byte[pixels.Length * 2];
for (int j = 0; j < pixels.Length; j++)
{
int pixDark = dark[j];
ushort pix = (ushort)(pixels[j] + 127 - pixDark);
if (pix < 0)
{
pix = 0;
}
bytes[2 * j + 0] = (byte)(pix & 0xFF);
bytes[2 * j + 1] = (byte)((pix & 0xFF00) >> 8);
}
width = rawImage.Width;
height = rawImage.Height;
System.IO.File.WriteAllBytes(irisRoot + number.ToString() + ".bin", bytes);
script.Add(string.Format("import {0}.bin {1} {2} 0 2 0", number, width, height));
script.Add("cosme_cfa hot");
script.Add("cfa2rgb");
script.Add("save rgb" + number.ToString());
number++;
}
}
script.Add("load rgb1");
System.IO.File.WriteAllLines(irisRoot + "import.pgm", script.ToArray());
var hot = new List <string>();
int nHot = 0;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
if (dark[width * y + x] > 200)
{
int _x = x + 1;
int _y = height - y;
hot.Add(string.Format("P {0} {1}", _x, _y));
nHot++;
}
}
}
System.IO.File.WriteAllLines(irisRoot + "hot.lst", hot.ToArray());
}
