public void TestReadBuffered()
{
string filename = TestFileSetup.GetTargetFilename("test.fits");
BufferedFile bf =
new BufferedFile(
filename,
FileAccess.Read,
FileShare.None);
Header h = Header.ReadHeader(bf);
long n = h.DataSize;
int naxes = h.GetIntValue("NAXIS");
int lastAxis = h.GetIntValue("NAXIS" + naxes);
HeaderCard hnew = new HeaderCard("NAXIS", naxes - 1, "this is header card with naxes");
h.AddCard(hnew);
float[] line = new float[h.DataSize];
for (int i = 0; i < lastAxis; i += 1)
{
Console.Out.WriteLine("read");
bf.Read(line);
}
bf.Close();
bf.Dispose();
}
// Make FITS file
public void MakeFile()
{
Initialize();
Fits f = new Fits();
// Make HDUs of various types.
f.AddHDU(Fits.MakeHDU(bimg));
f.AddHDU(Fits.MakeHDU(simg));
f.AddHDU(Fits.MakeHDU(iimg));
f.AddHDU(Fits.MakeHDU(limg));
f.AddHDU(Fits.MakeHDU(fimg));
f.AddHDU(Fits.MakeHDU(dimg));
f.AddHDU(Fits.MakeHDU(img3));
f.AddHDU(Fits.MakeHDU(img1));
Assert.AreEqual(f.NumberOfHDUs, 8);
// Write a FITS file.
BufferedFile bf = new BufferedFile(
TestFileSetup.GetTargetFilename("image1.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
bf.Dispose();
f.Close();
}
void WriteFile(Fits f, String name)
{
BufferedFile bf = new BufferedFile(name, FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
bf.Dispose();
}
public void TestRowDelete()
{
Fits f = null;
try
{
f = new Fits(
TestFileSetup.GetTargetFilename(
TestFileSetup.GetTargetFilename("bt1.fits")));
f.Read();
BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);
Assert.AreEqual(50, thdu.NRows);
thdu.DeleteRows(10, 20);
Assert.AreEqual(30, thdu.NRows);
double[] dbl = (double[])thdu.GetColumn(6);
Assert.AreEqual(dbl[9], doubles[9]);
Assert.AreEqual(dbl[10], doubles[30]);
BufferedFile bf =
new BufferedFile(
TestFileSetup.GetTargetFilename("bt1x.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt1x.fits"));
f.Read();
thdu = (BinaryTableHDU)f.GetHDU(1);
dbl = (double[])thdu.GetColumn(6);
Assert.AreEqual(30, thdu.NRows);
Assert.AreEqual(9, thdu.NCols);
Assert.AreEqual(dbl[9], doubles[9]);
Assert.AreEqual(dbl[10], doubles[30]);
thdu.DeleteRows(20);
Assert.AreEqual(20, thdu.NRows);
dbl = (double[])thdu.GetColumn(6);
Assert.AreEqual(20, dbl.Length);
Assert.AreEqual(dbl[0], doubles[0]);
Assert.AreEqual(dbl[19], doubles[39]);
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void BuildByColumn()
{
Fits f = null;
try
{
BinaryTable btab = new BinaryTable();
btab.AddColumn(floats);
btab.AddColumn(vf);
btab.AddColumn(strings);
btab.AddColumn(vbool);
btab.AddColumn(ints);
f = new Fits();
f.AddHDU(Fits.MakeHDU(btab));
BufferedFile bdos =
new BufferedFile(
TestFileSetup.GetTargetFilename("bt3.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
bdos.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt3.fits"));
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
btab = (BinaryTable)bhdu.Data;
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(floats, bhdu.GetColumn(0)));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(vf, bhdu.GetColumn(1))); // problem is here only
String[] col = (String[])bhdu.GetColumn(2);
for (int i = 0; i < col.Length; i += 1)
{
col[i] = col[i].Trim();
}
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(strings, col));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(vbool, bhdu.GetColumn(3)));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(ints, bhdu.GetColumn(4)));
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void Delete()
{
Fits f = null;
try
{
f = new Fits(TestFileSetup.GetTargetFilename("at1.fits"), FileAccess.ReadWrite);
TableHDU th = (TableHDU)f.GetHDU(1);
Assert.AreEqual(50, th.NRows);
th.DeleteRows(2, 2);
Assert.AreEqual(48, th.NRows);
BufferedFile bf = new BufferedFile(TestFileSetup.GetTargetFilename("at1y.fits"), FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("at1y.fits"));
th = (TableHDU)f.GetHDU(1);
Assert.AreEqual(48, th.NRows);
Assert.AreEqual(5, th.NCols);
th.DeleteColumnsIndexZero(3, 2);
Assert.AreEqual(3, th.NCols);
th.DeleteColumnsIndexZero(0, 2);
Assert.AreEqual(1, th.NCols);
bf = new BufferedFile(TestFileSetup.GetTargetFilename("at1z.fits"), FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("at1z.fits"));
th = (TableHDU)f.GetHDU(1);
Assert.AreEqual(1, th.NCols);
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void TestDegenerate()
{
Fits f = null;
try
{
String[] sa = new String[10];
int[,] ia = new int[10, 0];
f = new Fits();
for (int i = 0; i < sa.Length; i += 1)
{
sa[i] = "";
}
Object[] data = new Object[] { sa, ia };
BinaryTableHDU bhdu = (BinaryTableHDU)Fits.MakeHDU(data);
Header hdr = bhdu.Header;
f.AddHDU(bhdu);
BufferedFile bf =
new BufferedFile(
TestFileSetup.GetTargetFilename("bt7.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Close();
bf.Dispose();
Assert.AreEqual(2, hdr.GetIntValue("TFIELDS"));
Assert.AreEqual(10, hdr.GetIntValue("NAXIS2"));
Assert.AreEqual(0, hdr.GetIntValue("NAXIS1"));
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt7.fits"));
bhdu = (BinaryTableHDU)f.GetHDU(1);
hdr = bhdu.Header;
Assert.AreEqual(2, hdr.GetIntValue("TFIELDS"));
Assert.AreEqual(10, hdr.GetIntValue("NAXIS2"));
Assert.AreEqual(0, hdr.GetIntValue("NAXIS1"));
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void test()
{
float[][] data = new float[300][];
for (int i = 0; i < 300; i++)
{
data[i] = new float[300];
}
for (int i = 0; i < 300; i += 1)
{
for (int j = 0; j < 300; j += 1)
{
data[i][j] = 1000 * i + j;
}
}
Fits f = null;
try
{
f = new Fits();
BufferedFile bf = new BufferedFile(TestFileSetup.GetTargetFilename("tiler1.fits"), FileAccess.ReadWrite,
FileShare.ReadWrite);
f.AddHDU(Fits.MakeHDU(data));
f.Write(bf);
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("tiler1.fits"));
ImageHDU h = (ImageHDU)f.ReadHDU();
ImageTiler t = h.Tiler;
doTile("t1", data, t, 200, 200, 50, 50);
doTile("t2", data, t, 133, 133, 72, 26);
Object o = h.Data.Kernel;
doTile("t3", data, t, 200, 200, 50, 50);
doTile("t4", data, t, 133, 133, 72, 26);
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public static ThreeAxisFITSCubeFrameStream OpenFile(string fileName, VideoController videoController)
{
var fitsFile = new Fits();
var bufferedFile = new BufferedFile(fileName, FileAccess.Read, FileShare.ReadWrite);
fitsFile.Read(bufferedFile);
var imageHDU = fitsFile.GetHDU(0);
ThreeAxisFITSCubeFrameStream fitsStream = null;
videoController.SetCursor(Cursors.WaitCursor);
try
{
var hasher = new SHA1CryptoServiceProvider();
hasher.Initialize();
byte[] combinedFileNamesBytes = Encoding.UTF8.GetBytes(fileName);
var hash = hasher.ComputeHash(combinedFileNamesBytes, 0, combinedFileNamesBytes.Length);
var fitsFileHash = Convert.ToBase64String(hash);
var frm = new frmDefineFitsCube3D(imageHDU, fitsFileHash, videoController);
if (videoController.ShowDialog(frm) == DialogResult.OK)
{
videoController.SetFlipSettings(frm.FlipVertically, frm.FlipHorizontally);
fitsStream = new ThreeAxisFITSCubeFrameStream(
fileName, fitsFile, bufferedFile, imageHDU, frm.TimeStampReader,
frm.WidthIndex, frm.HeightIndex, frm.FrameIndex,
frm.MinPixelValue, frm.MaxPixelValue, frm.BitPix, frm.NegPixCorrection);
}
}
finally
{
if (fitsStream == null)
{
bufferedFile.Dispose();
}
}
return(fitsStream);
}
public void TestVar()
{
Fits f = null;
try
{
Object[] data = new Object[] { floats, vf, vs, vd, shorts, vbool };
f = new Fits();
f.AddHDU(Fits.MakeHDU(data));
BufferedFile bdos =
new BufferedFile(
TestFileSetup.GetTargetFilename("bt2.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
bdos.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt2.fits"), FileAccess.Read);
f.Read();
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
Header hdr = bhdu.Header;
Assert.AreEqual(true, hdr.GetIntValue("PCOUNT") > 0);
Assert.AreEqual(6, hdr.GetIntValue("TFIELDS"));
for (int i = 0; i < data.Length; i += 1)
{
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(data[i], bhdu.GetColumn(i)));
}
}
finally
{
f.Close();
}
}
public void TestFitsCopy()
{
String file = TestFileSetup.GetTargetFilename("test_dup.fits");
Fits f = new Fits(file);
int i = 0;
BasicHDU h;
do
{
h = f.ReadHDU();
if (h != null)
{
if (i == 0)
{
Console.Out.WriteLine("\n\nPrimary header:\n");
}
else
{
Console.Out.WriteLine("\n\nExtension " + i + ":\n");
}
i += 1;
h.Info();
}
} while (h != null);
BufferedFile bf = new BufferedFile(
TestFileSetup.GetTargetFilename("gbfits3.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Close();
bf.Dispose();
f.Close();
}
public void TestSimpleImages()
{
float[][] img = new float[300][];
for (int i = 0; i < 300; i++)
{
img[i] = new float[300];
}
Fits f = null;
try
{
f = new Fits();
ImageHDU hdu = (ImageHDU)Fits.MakeHDU(img);
BufferedFile bf = new BufferedFile(
TestFileSetup.GetTargetFilename("ht1.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.AddHDU(hdu);
f.Write(bf);
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("ht1.fits"));
hdu = (ImageHDU)f.GetHDU(0);
Header hdr = hdu.Header;
Assert.AreEqual(2, hdr.GetIntValue("NAXIS"));
Assert.AreEqual(300, hdr.GetIntValue("NAXIS1"));
Assert.AreEqual(300, hdr.GetIntValue("NAXIS2"));
Assert.AreEqual(300, hdr.GetIntValue("NAXIS2", -1));
Assert.AreEqual(-1, hdr.GetIntValue("NAXIS3", -1));
Assert.AreEqual(-32, hdr.GetIntValue("BITPIX"));
Cursor c = hdr.GetCursor();
c.MoveNext();
HeaderCard hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assert.AreEqual("SIMPLE", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assert.AreEqual("BITPIX", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assert.AreEqual("NAXIS", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assert.AreEqual("NAXIS1", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assert.AreEqual("NAXIS2", hc.Key);
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void TestSimpleIO()
{
Fits f = null;
try
{
FitsFactory.UseAsciiTables = false;
f = new Fits();
Object[] data = new Object[]
{
bytes, bits, bools, shorts, ints,
floats, doubles, longs, strings
};
f.AddHDU(Fits.MakeHDU(data));
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
bhdu.SetColumnName(0, "bytes", null);
bhdu.SetColumnName(1, "bits", "bits later on");
bhdu.SetColumnName(6, "doubles", null);
bhdu.SetColumnName(5, "floats", "4 x 4 array");
BufferedFile bf =
new BufferedFile(
TestFileSetup.GetTargetFilename("bt1.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt1.fits"));
f.Read();
Assert.AreEqual(2, f.NumberOfHDUs);
BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);
Header hdr = thdu.Header;
Assert.AreEqual(9, hdr.GetIntValue("TFIELDS"));
Assert.AreEqual(2, hdr.GetIntValue("NAXIS"));
Assert.AreEqual(8, hdr.GetIntValue("BITPIX"));
Assert.AreEqual("BINTABLE", hdr.GetStringValue("XTENSION"));
Assert.AreEqual("bytes", hdr.GetStringValue("TTYPE1"));
Assert.AreEqual("doubles", hdr.GetStringValue("TTYPE7"));
for (int i = 0; i < data.Length; i += 1)
{
Object col = thdu.GetColumn(i);
if (i == 8)
{
String[] st = (String[])col;
for (int j = 0; j < st.Length; j += 1)
{
st[j] = st[j].Trim();
}
}
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(data[i], col));
}
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void TestObj()
{
FitsFactory.UseAsciiTables = false;
/*** Create a binary table from an Object[][] array */
Object[][] x = new Object[5][];
for (int i = 0; i < 5; i += 1)
{
x[i] = new Object[3];
x[i][0] = new float[] { i };
string temp = string.Concat("AString", i);
x[i][1] = new string[] { temp };
int[][] t = new int[2][];
for (int j = 0; j < 2; j++)
{
t[j] = new int[2];
t[j][0] = j * i;
t[j][1] = (j + 2) * i;
}
x[i][2] = t;
}
Fits f = null;
try
{
f = new Fits();
BasicHDU hdu = Fits.MakeHDU(x);
f.AddHDU(hdu);
BufferedFile bf =
new BufferedFile(
TestFileSetup.GetTargetFilename("bt5.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Close();
bf.Dispose();
/* Now get rid of some columns */
BinaryTableHDU xhdu = (BinaryTableHDU)hdu;
// First column
Assert.AreEqual(3, xhdu.NCols);
xhdu.DeleteColumnsIndexOne(1, 1);
Assert.AreEqual(2, xhdu.NCols);
xhdu.DeleteColumnsIndexZero(1, 1);
Assert.AreEqual(1, xhdu.NCols);
bf = new BufferedFile(
TestFileSetup.GetTargetFilename("bt6.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt6.fits"));
xhdu = (BinaryTableHDU)f.GetHDU(1);
Assert.AreEqual(1, xhdu.NCols);
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void BuildByRow()
{
Fits f = null;
try
{
f = new Fits(
TestFileSetup.GetTargetFilename("bt2.fits"),
FileAccess.Read);
f.Read();
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
Header hdr = bhdu.Header;
BinaryTable btab = (BinaryTable)bhdu.Data;
for (int i = 0; i < 50; i += 1)
{
Object[] row = (Object[])btab.GetRow(i);
float[] qx = (float[])row[1];
Array[] p = (Array[])row[0];
float[] pt = (float[])p.GetValue(0);
pt[0] = (float)(i * Math.Sin(i));
btab.AddRow(row);
}
f.Close();
f = new Fits();
f.AddHDU(Fits.MakeHDU(btab));
BufferedFile bf =
new BufferedFile(
TestFileSetup.GetTargetFilename("bt4.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(
TestFileSetup.GetTargetFilename("bt4.fits"),
FileAccess.Read);
btab = (BinaryTable)f.GetHDU(1).Data;
Assert.AreEqual(100, btab.NRows);
// Try getting data before we Read in the table.
Array[] xf = (Array[])btab.GetColumn(0);
Array[] xft = (Array[])xf.GetValue(50);
float[] xftt = (float[])xft.GetValue(0);
Assert.AreEqual((float)0, (float)xftt[0]);
xft = (Array[])xf.GetValue(99);
xftt = (float[])xft.GetValue(0);
Assert.AreEqual((float)(49 * Math.Sin(49)), (float)xftt[0]);
for (int i = 0; i < xf.Length; i += 3)
{
bool[] ba = (bool[])btab.GetElement(i, 5);
float[] fx = (float[])btab.GetElement(i, 1);
int trow = i % 50;
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(ba, vbool[trow])); // prob 1
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(fx, vf[trow]));
}
// Fill the table.
Data data = f.GetHDU(1).Data;
xf = (Array[])btab.GetColumn(0);
xft = (Array[])xf.GetValue(50);
xftt = (float[])xft.GetValue(0);
Assert.AreEqual(0F, (float)xftt[0]);
xft = (Array[])xf.GetValue(99);
xftt = (float[])xft.GetValue(0);
Assert.AreEqual((float)(49 * Math.Sin(49)), (float)xftt[0]);
for (int i = 0; i < xf.Length; i += 3)
{
bool[] ba = (bool[])btab.GetElement(i, 5);
float[] fx = (float[])btab.GetElement(i, 1);
int trow = i % 50;
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(ba, vbool[trow])); // prob 2
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(fx, vf[trow]));
}
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void ModifyTable()
{
Fits f = null;
try
{
f = new Fits(TestFileSetup.GetTargetFilename("at1.fits"), FileAccess.ReadWrite);
Object[] samp = GetSampleCols();
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
AsciiTable data = (AsciiTable)hdu.GetData();
float[] f1 = (float[])data.GetColumn(0);
float[] f2 = (float[])f1.Clone();
for (int i = 0; i < f2.Length; i += 1)
{
f2[i] = 2 * f2[i];
}
data.SetColumn(0, f2);
f1 = new float[] { 3.14159f };
data.SetElement(3, 0, f1);
hdu.SetNullString(0, "**INVALID**");
data.SetNull(5, 0, true);
data.SetNull(6, 0, true);
Object[] row = new Object[5];
row[0] = new float[] { 6.28f };
row[1] = new int[] { 22 };
row[2] = new long[] { 0 };
row[3] = new double[] { -3 };
row[4] = new String[] { "A string" };
data.SetRow(5, row);
data.SetElement(4, 2, new long[] { 54321 });
BufferedFile bf = new BufferedFile(TestFileSetup.GetTargetFilename("at1x.fits"), FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("at1x.fits"), FileAccess.Read);
AsciiTable tab = (AsciiTable)f.GetHDU(1).Data;
Object[] kern = (Object[])tab.Kernel;
float[] fx = (float[])kern[0];
int[] ix = (int[])kern[1];
long[] lx = (long[])kern[2];
double[] dx = (double[])kern[3];
String[] sx = (String[])kern[4];
float[] fy = (float[])samp[0];
int[] iy = (int[])samp[1];
long[] ly = (long[])samp[2];
double[] dy = (double[])samp[3];
String[] sy = (String[])samp[4];
Assert.AreEqual(true, tab.IsNull(6, 0));
Assert.AreEqual(false, tab.IsNull(5, 0));
for (int i = 0; i < data.NRows; i += 1)
{
if (i != 5)
{
if (i != 6)
{
// Null
Assert.AreEqual(1f, f2[i] / fx[i], Math.Pow(10, -6));
}
Assert.AreEqual(iy[i], ix[i]);
if (i == 4)
{
Assert.AreEqual(54321L, lx[i]);
}
else
{
Assert.AreEqual(ly[i], lx[i]);
}
Assert.AreEqual(1f, dy[i] / dx[i], Math.Pow(10, -14));
Assert.AreEqual(sy[i], sx[i].Trim());
}
}
Object[] r5 = (Object[])data.GetRow(5);
String[] st = (String[])r5[4];
st[0] = st[0].Trim();
for (int i = 0; i < r5.Length; i++)
{
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(row[i], r5[i], Math.Pow(10, -6), Math.Pow(10, -14)));
}
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void TestSet()
{
Fits f = null;
try
{
f = new Fits(TestFileSetup.GetTargetFilename("bt2.fits"), FileAccess.Read);
f.Read();
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
Header hdr = bhdu.Header;
// Check the various set methods on variable length data.
float[] dta = (float[])bhdu.GetElement(4, 1);
dta = new float[] { 22, 21, 20 };
bhdu.SetElement(4, 1, dta);
BufferedFile bdos =
new BufferedFile(
TestFileSetup.GetTargetFilename("bt2a.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
bdos.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt2a.fits"));
bhdu = (BinaryTableHDU)f.GetHDU(1);
float[] xdta = (float[])bhdu.GetElement(4, 1);
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(dta, xdta));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), dta));
float[] tvf = new float[] { 101, 102, 103, 104 };
vf[4] = tvf;
bhdu.SetColumn(1, vf);
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
bdos = new BufferedFile(
TestFileSetup.GetTargetFilename("bt2b.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
bdos.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt2b.fits"));
bhdu = (BinaryTableHDU)f.GetHDU(1);
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
Object[] rw = (Object[])bhdu.GetRow(4);
float[] trw = new float[] { -1, -2, -3, -4, -5, -6 };
rw[1] = trw;
bhdu.SetRow(4, rw);
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assert.AreEqual(false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
// bdos = new BufferedDataStream(new FileStream("bt2c.fits",FileMode.Open));
bdos = new BufferedFile(
TestFileSetup.GetTargetFilename("bt2c.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
bdos.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt2c.fits"));
bhdu = (BinaryTableHDU)f.GetHDU(1);
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assert.AreEqual(false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void TestRandomGroup()
{
//float[,] fa = new float[20,20];
float[][] fa = new float[20][];
for (int i = 0; i < fa.Length; i++)
{
fa[i] = new float[20];
}
float[] pa = new float[3];
BufferedFile bf = new BufferedFile(
TestFileSetup.GetTargetFilename("rg1.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
Object[][] data = new Object[1][];
data[0] = new Object[2];
data[0][0] = pa;
data[0][1] = fa;
Console.Out.WriteLine("***** Write header ******");
BasicHDU hdu = Fits.MakeHDU(data);
Header hdr = hdu.Header;
// Change the number of groups
hdr.AddValue("GCOUNT", 20, "Number of groups");
hdr.Write(bf);
Console.Out.WriteLine("***** Write data group by group ******");
for (int i = 0; i < 20; i += 1)
{
for (int j = 0; j < pa.Length; j += 1)
{
pa[j] = i + j;
}
for (int j = 0; j < fa.GetLength(0); j += 1)
{
try
{
// fa[j, j] = i * j;
fa[j][j] = i * j;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine("i ,j value:" + i + " " + j);
}
}
// Write a group
bf.WriteArray(data);
}
byte[] padding = new byte[FitsUtil.Padding(20 * ArrayFuncs.ComputeSize(data))];
Console.Out.WriteLine("****** Write padding ******");
bf.Write(padding);
bf.Flush();
bf.Close();
bf.Dispose();
Fits f = null;
try
{
Console.Out.WriteLine("****** Read data back in ******");
f = new Fits(TestFileSetup.GetTargetFilename("rg1.fits"));
BasicHDU[] hdus = f.Read();
data = (Object[][])hdus[0].Kernel;
// data = hdus[0].Kernel;
Console.Out.WriteLine("**** Check parameter and data info *****");
for (int i = 0; i < data.Length; i += 1)
{
pa = (float[])data[i][0];
// fa = (float[,]) data[i,1];
Array[] tfa = (Array[])data[i][1];
for (int j = 0; j < pa.Length; j += 1)
{
Assert.AreEqual((float)(i + j), pa[j]);
}
for (int j = 0; j < fa.Length; j += 1)
{
// Assert.AreEqual("dataTest:" + i + " " + j, (float)(i * j), fa[j,j]);
Assert.AreEqual((float)(i * j), ((Array)tfa.GetValue(j)).GetValue(j));
}
}
f.Close();
Console.Out.WriteLine("**** Create HDU from kernel *****");
f = new Fits();
// Generate a FITS HDU from the kernel.
f.AddHDU(Fits.MakeHDU(data));
bf = new BufferedFile(
TestFileSetup.GetTargetFilename("rg2.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
Console.Out.WriteLine("**** Write new file *****");
f.Write(bf);
bf.Flush();
bf.Close();
bf.Dispose();
f.Close();
Console.Out.WriteLine("**** Read and check *****");
f = new Fits(TestFileSetup.GetTargetFilename("rg2.fits"));
data = (Object[][])f.Read()[0].Kernel;
for (int i = 0; i < data.Length; i += 1)
{
pa = (float[])data[i][0];
// fa = (float[,]) data[i,1];
Array[] tfa = (Array[])data[i][1];
for (int j = 0; j < pa.Length; j += 1)
{
Assert.AreEqual((float)(i + j), pa[j]);
}
for (int j = 0; j < fa.Length; j += 1)
{
//Assert.AreEqual("dataTest:" + i + " " + j, (float)(i * j), fa[j,j]);
Assert.AreEqual((float)(i * j), ((Array)tfa.GetValue(j)).GetValue(j));
}
}
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void Dispose()
{
m_BufferedFile.Dispose();
}
