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 = new Fits();
BasicHDU hdu = Fits.MakeHDU(x);
f.AddHDU(hdu);
BufferedFile bf = new BufferedFile("bt5.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
/* Now get rid of some columns */
BinaryTableHDU xhdu = (BinaryTableHDU)hdu;
// First column
Assertion.AssertEquals("delcol1", 3, xhdu.NCols);
xhdu.DeleteColumnsIndexOne(1, 1);
Assertion.AssertEquals("delcol2", 2, xhdu.NCols);
xhdu.DeleteColumnsIndexZero(1, 1);
Assertion.AssertEquals("delcol3", 1, xhdu.NCols);
bf = new BufferedFile("bt6.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
f = new Fits("bt6.fits");
xhdu = (BinaryTableHDU)f.GetHDU(1);
Assertion.AssertEquals("delcol4", 1, xhdu.NCols);
f.Close();
}
// 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();
}
public void TestFitsCopy( /*String[] args*/ )
{
String file = "E:\\CSharpFITSIO\\AISCHV3_228_13637_0001_sv09-fd-int.fits" /*args[0]*/;
Fits f = new Fits(file);
int i = 0;
BasicHDU h;
do
{
h = f.ReadHDU();
if (h != null)
{
if (i == 0)
{
System.Console.Out.WriteLine("\n\nPrimary header:\n");
}
else
{
System.Console.Out.WriteLine("\n\nExtension " + i + ":\n");
}
i += 1;
h.Info();
}
} while (h != null);
BufferedFile bf = new BufferedFile("gbfits3.fits" /*args[1]*/, FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
}
public void TestDegenerate()
{
String[] sa = new String[10];
int[,] ia = new int[10, 0];
Fits 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("bt7.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
Assertion.AssertEquals("degen1", 2, hdr.GetIntValue("TFIELDS"));
Assertion.AssertEquals("degen2", 10, hdr.GetIntValue("NAXIS2"));
Assertion.AssertEquals("degen3", 0, hdr.GetIntValue("NAXIS1"));
f = new Fits("bt7.fits");
bhdu = (BinaryTableHDU)f.GetHDU(1);
hdr = bhdu.Header;
Assertion.AssertEquals("degen4", 2, hdr.GetIntValue("TFIELDS"));
Assertion.AssertEquals("degen5", 10, hdr.GetIntValue("NAXIS2"));
Assertion.AssertEquals("degen6", 0, hdr.GetIntValue("NAXIS1"));
f.Close();
}
public void TestFitsCopy( /*String[] args*/ )
{
String file = Path.GetTempFileName();
File.Copy("..\\..\\testdocs\\ht1.fits", file, true);
Fits f = new Fits(file);
int i = 0;
BasicHDU h;
do
{
h = f.ReadHDU();
if (h != null)
{
if (i == 0)
{
System.Console.Out.WriteLine("\n\nPrimary header:\n");
}
else
{
System.Console.Out.WriteLine("\n\nExtension " + i + ":\n");
}
i += 1;
h.Info();
}
} while (h != null);
BufferedFile bf = new BufferedFile("gbfits3.fits" /*args[1]*/, FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
}
// 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));
Assertion.AssertEquals("HDU count before", f.NumberOfHDUs, 8);
// Write a FITS file.
BufferedFile bf = new BufferedFile("image1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.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 = new Fits();
BufferedFile bf = new BufferedFile("tiler1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.AddHDU(Fits.MakeHDU(data));
f.Write(bf);
bf.Close();
f = new Fits("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);
}
public void TestFitsCopy(/*String[] args*/)
{
String file = Path.GetTempFileName();
File.Copy("testdocs\\ht1.fits", file, true);
Fits f = new Fits(file);
int i = 0;
BasicHDU h;
do
{
h = f.ReadHDU();
if (h != null)
{
if (i == 0)
{
System.Console.Out.WriteLine("\n\nPrimary header:\n");
}
else
{
System.Console.Out.WriteLine("\n\nExtension " + i + ":\n");
}
i += 1;
h.Info();
}
} while (h != null);
BufferedFile bf = new BufferedFile("gbfits3.fits" /*args[1]*/, FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
}
public void TestVar()
{
Object[] data = new Object[] { floats, vf, vs, vd, shorts, vbool };
Fits f = new Fits();
f.AddHDU(Fits.MakeHDU(data));
//BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt2.fits", FileMode.Open, FileAccess.ReadWrite));
BufferedFile bdos = new BufferedFile("bt2.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
f = new Fits("bt2.fits", FileAccess.Read);
f.Read();
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
Header hdr = bhdu.Header;
Assertion.AssertEquals("var1", true, hdr.GetIntValue("PCOUNT") > 0);
Assertion.AssertEquals("var2", 6, hdr.GetIntValue("TFIELDS"));
for (int i = 0; i < data.Length; i += 1)
{
Assertion.AssertEquals("vardata(" + i + ")", true, ArrayFuncs.ArrayEquals(data[i], bhdu.GetColumn(i)));
}
}
void WriteFile(Fits f, String name)
{
BufferedFile bf = new BufferedFile(name, FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
}
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 static void ExportFits(float[][] imageData) //TODO: Check if this works
{
var f = new nom.tam.fits.Fits();
var h = FitsFactory.HDUFactory(imageData);
f.AddHDU(h);
var bufferedDataStream = new BufferedDataStream(new FileStream("Outputfile", FileMode.Create));
f.Write(bufferedDataStream);
}
public void TestSimpleIO()
{
FitsFactory.UseAsciiTables = false;
Fits 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("bt1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
f = new Fits("bt1.fits");
f.Read();
Assertion.AssertEquals("NHDU", 2, f.NumberOfHDUs);
BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);
Header hdr = thdu.Header;
Assertion.AssertEquals("HDR1", 9, hdr.GetIntValue("TFIELDS"));
Assertion.AssertEquals("HDR2", 2, hdr.GetIntValue("NAXIS"));
Assertion.AssertEquals("HDR3", 8, hdr.GetIntValue("BITPIX"));
Assertion.AssertEquals("HDR4", "BINTABLE", hdr.GetStringValue("XTENSION"));
Assertion.AssertEquals("HDR5", "bytes", hdr.GetStringValue("TTYPE1"));
Assertion.AssertEquals("HDR6", "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();
}
}
Assertion.AssertEquals("Data" + i, true, ArrayFuncs.ArrayEquals(data[i], col));
}
f.Close();
}
public void TestSimpleImages()
{
float[][] img = new float[300][];
for (int i = 0; i < 300; i++)
{
img[i] = new float[300];
}
Fits f = new Fits();
ImageHDU hdu = (ImageHDU)Fits.MakeHDU(img);
BufferedFile bf = new BufferedFile("ht1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.AddHDU(hdu);
f.Write(bf);
bf.Close();
f = new Fits("ht1.fits");
hdu = (ImageHDU)f.GetHDU(0);
Header hdr = hdu.Header;
Assertion.AssertEquals("NAXIS", 2, hdr.GetIntValue("NAXIS"));
Assertion.AssertEquals("NAXIS1", 300, hdr.GetIntValue("NAXIS1"));
Assertion.AssertEquals("NAXIS2", 300, hdr.GetIntValue("NAXIS2"));
Assertion.AssertEquals("NAXIS2a", 300, hdr.GetIntValue("NAXIS2", -1));
Assertion.AssertEquals("NAXIS3", -1, hdr.GetIntValue("NAXIS3", -1));
Assertion.AssertEquals("BITPIX", -32, hdr.GetIntValue("BITPIX"));
Cursor c = hdr.GetCursor();
c.MoveNext();
HeaderCard hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("SIMPLE_1", "SIMPLE", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("BITPIX_2", "BITPIX", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("NAXIS_3", "NAXIS", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("NAXIS1_4", "NAXIS1", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("NAXIS2_5", "NAXIS2", hc.Key);
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 TestDegen2()
{
FitsFactory.UseAsciiTables = false;
Object[] data = new Object[] {
new String[] { "a", "b", "c", "d", "e", "f" },
new int[] { 1, 2, 3, 4, 5, 6 },
new float[] { 1f, 2f, 3f, 4f, 5f, 6f },
new String[] { "", "", "", "", "", "" },
new String[] { "a", "", "c", "", "e", "f" },
new String[] { "", "b", "c", "d", "e", "f" },
new String[] { "a", "b", "c", "d", "e", "" },
new String[] { null, null, null, null, null, null },
new String[] { "a", null, "c", null, "e", "f" },
new String[] { null, "b", "c", "d", "e", "f" },
new String[] { "a", "b", "c", "d", "e", null }
};
Fits f = new Fits();
f.AddHDU(Fits.MakeHDU(data));
BufferedFile ff = new BufferedFile("bt8.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(ff);
ff.Flush();
ff.Close();
f = new Fits("bt8.fits");
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
Assertion.AssertEquals("deg21", "e", bhdu.GetElement(4, data.Length - 1));
Assertion.AssertEquals("deg22", "", bhdu.GetElement(5, data.Length - 1));
String[] col = (String[])bhdu.GetColumn(0);
Assertion.AssertEquals("deg23", "a", col[0]);
Assertion.AssertEquals("deg24", "f", col[5]);
col = (String[])bhdu.GetColumn(3);
Assertion.AssertEquals("deg25", "", col[0]);
Assertion.AssertEquals("deg26", "", col[5]);
col = (String[])bhdu.GetColumn(7); // All nulls
Assertion.AssertEquals("deg27", "", col[0]);
Assertion.AssertEquals("deg28", "", col[5]);
col = (String[])bhdu.GetColumn(8);
Assertion.AssertEquals("deg29", "a", col[0]);
Assertion.AssertEquals("deg210", "", col[1]);
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();
}
}
}
/// <summary>
/// writes the header to fits file
/// </summary>
/// <param name="reader"></param>
/// <param name="filename"></param>
/// <param name="writeMode"></param>
/// <param name="stringTruncationLength"></param>
/// <param name="padStringsLeft"></param>
/// <param name="stringPadChar"></param>
public static void Write(IDataReader reader, String filename,
StreamedBinaryTableHDU.StringWriteMode writeMode, int stringTruncationLength,
bool padStringsLeft, char stringPadChar)
{
Header header = new Header();
header.Simple = true;
header.Bitpix = 8;
header.Naxes = 0;
Cursor c = header.GetCursor();
// move to the end of the header cards
for (c.MoveNext(); c.MoveNext();)
{
;
}
// we know EXTEND isn't there yet
c.Add("EXTEND", new HeaderCard("EXTEND", true, null));
ImageHDU hdu1 = new ImageHDU(header, null);
StreamedBinaryTableHDU hdu2 =
new StreamedBinaryTableHDU(new DataReaderAdapter(reader), 4096,
writeMode, stringTruncationLength, padStringsLeft, stringPadChar);
Fits fits = new Fits();
fits.AddHDU(hdu1);
fits.AddHDU(hdu2);
Stream s = null;
try
{
s = new FileStream(filename, FileMode.Create);
fits.Write(s);
s.Close();
}
catch (Exception e)
{
s.Close();
throw (e);
}
}
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 BuildByColumn()
{
BinaryTable btab = new BinaryTable();
btab.AddColumn(floats);
btab.AddColumn(vf);
btab.AddColumn(strings);
btab.AddColumn(vbool);
btab.AddColumn(ints);
Fits f = new Fits();
f.AddHDU(Fits.MakeHDU(btab));
// BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt3.fits",FileMode.Open));
BufferedFile bdos = new BufferedFile("bt3.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
f = new Fits("bt3.fits");
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
btab = (BinaryTable)bhdu.Data;
Assertion.AssertEquals("col1", true, ArrayFuncs.ArrayEquals(floats, bhdu.GetColumn(0)));
Assertion.AssertEquals("col2", 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();
}
Assertion.AssertEquals("coi3", true, ArrayFuncs.ArrayEquals(strings, col));
Assertion.AssertEquals("col4", true, ArrayFuncs.ArrayEquals(vbool, bhdu.GetColumn(3)));
Assertion.AssertEquals("col5", true, ArrayFuncs.ArrayEquals(ints, bhdu.GetColumn(4)));
f.Close();
}
public void TestRowDelete()
{
Fits f = new Fits("testdocs\\bt1.fits");
f.Read();
BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);
Assertion.AssertEquals("Del1", 50, thdu.NRows);
thdu.DeleteRows(10, 20);
Assertion.AssertEquals("Del2", 30, thdu.NRows);
double[] dbl = (double[])thdu.GetColumn(6);
Assertion.AssertEquals("del3", dbl[9], doubles[9]);
Assertion.AssertEquals("del4", dbl[10], doubles[30]);
BufferedFile bf = new BufferedFile("bt1x.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
f.Close();
f = new Fits("bt1x.fits");
f.Read();
thdu = (BinaryTableHDU)f.GetHDU(1);
dbl = (double[])thdu.GetColumn(6);
Assertion.AssertEquals("del5", 30, thdu.NRows);
Assertion.AssertEquals("del6", 9, thdu.NCols);
Assertion.AssertEquals("del7", dbl[9], doubles[9]);
Assertion.AssertEquals("del8", dbl[10], doubles[30]);
thdu.DeleteRows(20);
Assertion.AssertEquals("del9", 20, thdu.NRows);
dbl = (double[])thdu.GetColumn(6);
Assertion.AssertEquals("del10", 20, dbl.Length);
Assertion.AssertEquals("del11", dbl[0], doubles[0]);
Assertion.AssertEquals("del12", dbl[19], doubles[39]);
f.Close();
}
public void Delete()
{
Fits f = new Fits("at1.fits", FileAccess.ReadWrite);
TableHDU th = (TableHDU)f.GetHDU(1);
Assertion.AssertEquals("delrBef", 50, th.NRows);
th.DeleteRows(2, 2);
Assertion.AssertEquals("delrAft", 48, th.NRows);
BufferedFile bf = new BufferedFile("at1y.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
f.Close();
f = new Fits("at1y.fits");
th = (TableHDU)f.GetHDU(1);
Assertion.AssertEquals("delrAft2", 48, th.NRows);
Assertion.AssertEquals("delcBef", 5, th.NCols);
th.DeleteColumnsIndexZero(3, 2);
Assertion.AssertEquals("delcAft1", 3, th.NCols);
th.DeleteColumnsIndexZero(0, 2);
Assertion.AssertEquals("delcAft2", 1, th.NCols);
bf = new BufferedFile("at1z.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
f.Close();
f = new Fits("at1z.fits");
th = (TableHDU)f.GetHDU(1);
Assertion.AssertEquals("delcAft3", 1, th.NCols);
f.Close();
}
public void BuildByColumn()
{
BinaryTable btab = new BinaryTable();
btab.AddColumn(floats);
btab.AddColumn(vf);
btab.AddColumn(strings);
btab.AddColumn(vbool);
btab.AddColumn(ints);
Fits f = new Fits();
f.AddHDU(Fits.MakeHDU(btab));
// BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt3.fits",FileMode.Open));
BufferedFile bdos = new BufferedFile("bt3.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
f = new Fits("bt3.fits");
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
btab = (BinaryTable)bhdu.Data;
Assertion.AssertEquals("col1", true, ArrayFuncs.ArrayEquals(floats, bhdu.GetColumn(0)));
Assertion.AssertEquals("col2", 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();
}
Assertion.AssertEquals("coi3", true, ArrayFuncs.ArrayEquals(strings, col));
Assertion.AssertEquals("col4", true, ArrayFuncs.ArrayEquals(vbool, bhdu.GetColumn(3)));
Assertion.AssertEquals("col5", true, ArrayFuncs.ArrayEquals(ints, bhdu.GetColumn(4)));
f.Close();
}
public void Save(Exposure exposure, string filename, Dictionary<string, object> metadata)
{
Fits fits = new Fits();
int[] dimensions = new[] { exposure.Height, exposure.Width };
// choose the type from calculating the bitness from the exposure maxdepth
long a = 0, bits = -1;
while (a < exposure.MaxDepth)
a = (int)Math.Pow(2.0, ++bits);
Array pixels;
if (bits <= 16)
{
pixels = ConvertToShort(exposure.Pixels);
}
else
{
pixels = exposure.Pixels;
}
var data = ArrayFuncs.Curl(pixels, dimensions);
var hdu = FitsFactory.HDUFactory(data);
// Write the headers.
BuildHeader(hdu.Header, exposure, metadata, a);
fits.AddHDU(hdu);
if (!filename.EndsWith(".fits"))
filename += ".fits";
BufferedFile bf = new BufferedFile(filename, FileAccess.ReadWrite, FileShare.None);
fits.Write(bf);
bf.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 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 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("rg1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
Object[][] data = new Object[1][];
data[0] = new Object[2];
data[0][0] = pa;
data[0][1] = fa;
System.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);
System.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))];
System.Console.Out.WriteLine("****** Write padding ******");
bf.Write(padding);
bf.Flush();
bf.Close();
System.Console.Out.WriteLine("****** Read data back in ******");
Fits f = new Fits("rg1.fits");
BasicHDU[] hdus = f.Read();
data = (Object[][])hdus[0].Kernel;
// data = hdus[0].Kernel;
System.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)
{
Assertion.AssertEquals("paramTest:" + i + " " + j, (float)(i + j), pa[j]);
}
for (int j = 0; j < fa.Length; j += 1)
{
// Assertion.AssertEquals("dataTest:" + i + " " + j, (float)(i * j), fa[j,j]);
Assertion.AssertEquals("dataTest:" + i + " " + j, (float)(i * j), ((Array)tfa.GetValue(j)).GetValue(j));
}
}
f = new Fits();
System.Console.Out.WriteLine("**** Create HDU from kernel *****");
// Generate a FITS HDU from the kernel.
f.AddHDU(Fits.MakeHDU(data));
bf = new BufferedFile("rg2.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
System.Console.Out.WriteLine("**** Write new file *****");
f.Write(bf);
bf.Flush();
bf.Close();
System.Console.Out.WriteLine("**** Read and check *****");
f = new Fits("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)
{
Assertion.AssertEquals("paramTest:" + i + " " + j, (float)(i + j), pa[j]);
}
for (int j = 0; j < fa.Length; j += 1)
{
//Assertion.AssertEquals("dataTest:" + i + " " + j, (float)(i * j), fa[j,j]);
Assertion.AssertEquals("dataTest:" + i + " " + j, (float)(i * j), ((Array)tfa.GetValue(j)).GetValue(j));
}
}
}
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 = new Fits("testdocs\\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);
// BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt2a.fits",FileMode.Open));
BufferedFile bdos = new BufferedFile("bt2a.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
f = new Fits("bt2a.fits");
bhdu = (BinaryTableHDU)f.GetHDU(1);
float[] xdta = (float[])bhdu.GetElement(4, 1);
Assertion.AssertEquals("ts1", true, ArrayFuncs.ArrayEquals(dta, xdta));
Assertion.AssertEquals("ts2", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assertion.AssertEquals("ts5", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
Assertion.AssertEquals("ts4", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), dta));
float[] tvf = new float[] { 101, 102, 103, 104 };
vf[4] = tvf;
bhdu.SetColumn(1, vf);
Assertion.AssertEquals("ts6", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assertion.AssertEquals("ts7", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assertion.AssertEquals("ts8", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
// bdos = new BufferedDataStream(new FileStream("bt2b.fits",FileMode.Open));
bdos = new BufferedFile("bt2b.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
f.Close();
f = new Fits("bt2b.fits");
bhdu = (BinaryTableHDU)f.GetHDU(1);
Assertion.AssertEquals("ts9", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assertion.AssertEquals("ts10", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assertion.AssertEquals("ts11", 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);
Assertion.AssertEquals("ts12", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assertion.AssertEquals("ts13", false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assertion.AssertEquals("ts14", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
Assertion.AssertEquals("ts15", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
// bdos = new BufferedDataStream(new FileStream("bt2c.fits",FileMode.Open));
bdos = new BufferedFile("bt2c.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
f.Close();
f = new Fits("bt2c.fits");
bhdu = (BinaryTableHDU)f.GetHDU(1);
Assertion.AssertEquals("ts16", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assertion.AssertEquals("ts17", false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assertion.AssertEquals("ts18", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
Assertion.AssertEquals("ts19", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
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();
}
}
}
// 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));
Assertion.AssertEquals("HDU count before", f.NumberOfHDUs, 8);
// Write a FITS file.
BufferedFile bf = new BufferedFile("image1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
}
public void ModifyTable()
{
Fits f = new Fits("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("at1x.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
// f.Write("at1x.fits");
f = new Fits("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];
Assertion.AssertEquals("Null", true, tab.IsNull(6, 0));
Assertion.AssertEquals("Null2", false, tab.IsNull(5, 0));
for (int i = 0; i < data.NRows; i += 1)
{
if (i != 5)
{
if (i != 6)
{
// Null
Assertion.AssertEquals("f" + i, 1f, f2[i] / fx[i], Math.Pow(10, -6));
}
Assertion.AssertEquals("i" + i, iy[i], ix[i]);
if (i == 4)
{
Assertion.AssertEquals("l4", 54321L, lx[i]);
}
else
{
Assertion.AssertEquals("l" + i, ly[i], lx[i]);
}
Assertion.AssertEquals("d" + i, 1f, dy[i] / dx[i], Math.Pow(10, -14));
Assertion.AssertEquals("s" + i, 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++)
{
Assertion.AssertEquals("row5", true, ArrayFuncs.ArrayEquals(row[i], r5[i], Math.Pow(10, -6), Math.Pow(10, -14)));
}
//Assertion.AssertEquals("row5", true, ArrayFuncs.ArrayEquals(row, r5, Math.Pow(10,-6), Math.Pow(10,-14)));
}
public void WriteFrameImpl(IntPtr intPtr, int p, RawFrameInfo info)
{
object data = MarshalToCLR(intPtr, p);
Fits fits = new Fits();
BasicHDU hdu = FitsFactory.HDUFactory(data);
if ((data is short[][] || data is short[][][]) && _significantBitDepth > 8)
{
hdu.AddValue("BZERO", 32768.0, "");
}
AddMetadataToFrame(info, hdu);
fits.AddHDU(hdu);
using (FileStream fs = File.Create(Path.GetTempFileName()))
{
using (BufferedDataStream f = new BufferedDataStream(fs))
{
fits.Write(f);
}
}
}
public void TestRowDelete()
{
Fits f = new Fits("bt1.fits");
f.Read();
BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);
Assertion.AssertEquals("Del1", 50, thdu.NRows);
thdu.DeleteRows(10, 20);
Assertion.AssertEquals("Del2", 30, thdu.NRows);
double[] dbl = (double[])thdu.GetColumn(6);
Assertion.AssertEquals("del3", dbl[9], doubles[9]);
Assertion.AssertEquals("del4", dbl[10], doubles[30]);
BufferedFile bf = new BufferedFile("bt1x.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
f.Close();
f = new Fits("bt1x.fits");
f.Read();
thdu = (BinaryTableHDU)f.GetHDU(1);
dbl = (double[])thdu.GetColumn(6);
Assertion.AssertEquals("del5", 30, thdu.NRows);
Assertion.AssertEquals("del6", 9, thdu.NCols);
Assertion.AssertEquals("del7", dbl[9], doubles[9]);
Assertion.AssertEquals("del8", dbl[10], doubles[30]);
thdu.DeleteRows(20);
Assertion.AssertEquals("del9", 20, thdu.NRows);
dbl = (double[])thdu.GetColumn(6);
Assertion.AssertEquals("del10", 20, dbl.Length);
Assertion.AssertEquals("del11", dbl[0], doubles[0]);
Assertion.AssertEquals("del12", dbl[19], doubles[39]);
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 = new Fits();
BasicHDU hdu = Fits.MakeHDU(x);
f.AddHDU(hdu);
BufferedFile bf = new BufferedFile("bt5.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
/* Now get rid of some columns */
BinaryTableHDU xhdu = (BinaryTableHDU)hdu;
// First column
Assertion.AssertEquals("delcol1", 3, xhdu.NCols);
xhdu.DeleteColumnsIndexOne(1, 1);
Assertion.AssertEquals("delcol2", 2, xhdu.NCols);
xhdu.DeleteColumnsIndexZero(1, 1);
Assertion.AssertEquals("delcol3", 1, xhdu.NCols);
bf = new BufferedFile("bt6.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
f = new Fits("bt6.fits");
xhdu = (BinaryTableHDU)f.GetHDU(1);
Assertion.AssertEquals("delcol4", 1, xhdu.NCols);
f.Close();
}
public void TestDegenerate()
{
String[] sa = new String[10];
int[,] ia = new int[10, 0];
Fits 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("bt7.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
Assertion.AssertEquals("degen1", 2, hdr.GetIntValue("TFIELDS"));
Assertion.AssertEquals("degen2", 10, hdr.GetIntValue("NAXIS2"));
Assertion.AssertEquals("degen3", 0, hdr.GetIntValue("NAXIS1"));
f = new Fits("bt7.fits");
bhdu = (BinaryTableHDU)f.GetHDU(1);
hdr = bhdu.Header;
Assertion.AssertEquals("degen4", 2, hdr.GetIntValue("TFIELDS"));
Assertion.AssertEquals("degen5", 10, hdr.GetIntValue("NAXIS2"));
Assertion.AssertEquals("degen6", 0, hdr.GetIntValue("NAXIS1"));
f.Close();
}
public void TestDegen2()
{
FitsFactory.UseAsciiTables = false;
Object[] data = new Object[]{
new String[]{"a", "b", "c", "d", "e", "f"},
new int[] {1,2,3,4,5,6},
new float[] {1f,2f, 3f, 4f, 5f,6f},
new String[]{"", "", "" , "" , "", ""},
new String[]{"a", "", "c", "", "e", "f"},
new String[]{"", "b", "c", "d", "e", "f"},
new String[]{"a", "b", "c", "d", "e", ""},
new String[]{null, null, null, null, null, null},
new String[]{"a", null, "c", null, "e", "f"},
new String[]{null, "b", "c", "d", "e", "f"},
new String[]{"a", "b", "c", "d", "e", null}
};
Fits f = new Fits();
f.AddHDU(Fits.MakeHDU(data));
BufferedFile ff = new BufferedFile("bt8.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(ff);
ff.Flush();
ff.Close();
f = new Fits("bt8.fits");
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
Assertion.AssertEquals("deg21", "e", bhdu.GetElement(4, data.Length - 1));
Assertion.AssertEquals("deg22", "", bhdu.GetElement(5, data.Length - 1));
String[] col = (String[])bhdu.GetColumn(0);
Assertion.AssertEquals("deg23", "a", col[0]);
Assertion.AssertEquals("deg24", "f", col[5]);
col = (String[])bhdu.GetColumn(3);
Assertion.AssertEquals("deg25", "", col[0]);
Assertion.AssertEquals("deg26", "", col[5]);
col = (String[])bhdu.GetColumn(7); // All nulls
Assertion.AssertEquals("deg27", "", col[0]);
Assertion.AssertEquals("deg28", "", col[5]);
col = (String[])bhdu.GetColumn(8);
Assertion.AssertEquals("deg29", "a", col[0]);
Assertion.AssertEquals("deg210", "", col[1]);
f.Close();
}
/// <summary>
/// writes the header to fits file
/// </summary>
/// <param name="reader"></param>
/// <param name="filename"></param>
/// <param name="writeMode"></param>
/// <param name="stringTruncationLength"></param>
/// <param name="padStringsLeft"></param>
/// <param name="stringPadChar"></param>
public static void Write(IDataReader reader, String filename,
StreamedBinaryTableHDU.StringWriteMode writeMode, int stringTruncationLength,
bool padStringsLeft, char stringPadChar)
{
Header header = new Header();
header.Simple = true;
header.Bitpix = 8;
header.Naxes = 0;
Cursor c = header.GetCursor();
// move to the end of the header cards
for(c.MoveNext(); c.MoveNext(););
// we know EXTEND isn't there yet
c.Add("EXTEND", new HeaderCard("EXTEND", true, null));
ImageHDU hdu1 = new ImageHDU(header, null);
StreamedBinaryTableHDU hdu2 =
new StreamedBinaryTableHDU(new DataReaderAdapter(reader), 4096,
writeMode, stringTruncationLength, padStringsLeft, stringPadChar);
Fits fits = new Fits();
fits.AddHDU(hdu1);
fits.AddHDU(hdu2);
Stream s = null;
try
{
s = new FileStream(filename, FileMode.Create);
fits.Write(s);
s.Close();
}
catch(Exception e)
{
s.Close();
throw(e);
}
}
public void Delete()
{
Fits f = new Fits("at1.fits", FileAccess.ReadWrite);
TableHDU th = (TableHDU)f.GetHDU(1);
Assertion.AssertEquals("delrBef", 50, th.NRows);
th.DeleteRows(2, 2);
Assertion.AssertEquals("delrAft", 48, th.NRows);
BufferedFile bf = new BufferedFile("at1y.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
f.Close();
f = new Fits("at1y.fits");
th = (TableHDU)f.GetHDU(1);
Assertion.AssertEquals("delrAft2", 48, th.NRows);
Assertion.AssertEquals("delcBef", 5, th.NCols);
th.DeleteColumnsIndexZero(3, 2);
Assertion.AssertEquals("delcAft1", 3, th.NCols);
th.DeleteColumnsIndexZero(0, 2);
Assertion.AssertEquals("delcAft2", 1, th.NCols);
bf = new BufferedFile("at1z.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Close();
f.Close();
f = new Fits("at1z.fits");
th = (TableHDU)f.GetHDU(1);
Assertion.AssertEquals("delcAft3", 1, th.NCols);
f.Close();
}
internal void SaveFitsFrame(string fileName, int width, int height, uint[] framePixels, DateTime timeStamp, float exposureSeconds)
{
Fits f = new Fits();
object data = SaveImageData(width, height, framePixels);
BasicHDU imageHDU = Fits.MakeHDU(data);
nom.tam.fits.Header hdr = imageHDU.Header;
hdr.AddValue("SIMPLE", "T", null);
hdr.AddValue("BITPIX", 32, null);
hdr.AddValue("NAXIS", 2, null);
hdr.AddValue("NAXIS1", width, null);
hdr.AddValue("NAXIS2", height, null);
hdr.AddValue("NOTES", m_Note, null);
if (exposureSeconds > 0)
hdr.AddValue("EXPOSURE", exposureSeconds.ToString("0.000", CultureInfo.InvariantCulture), "Exposure, seconds");
hdr.AddValue("DATEOBS", timeStamp.Date.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture), m_DateObsComment);
hdr.AddValue("TIMEOBS", timeStamp.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture), m_TimeObsComment);
hdr.AddValue("TANGRAVE", string.Format("{0} v{1}", VersionHelper.AssemblyProduct, VersionHelper.AssemblyFileVersion), "Tangra version");
f.AddHDU(imageHDU);
// Write a FITS file.
using (BufferedFile bf = new BufferedFile(fileName, FileAccess.ReadWrite, FileShare.ReadWrite))
{
f.Write(bf);
bf.Flush();
}
}
void WriteFile(Fits f, String name)
{
BufferedFile bf = new BufferedFile(name, FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
}
public void TestSimpleImages()
{
float[][] img = new float[300][];
for (int i = 0; i < 300; i++)
img[i] = new float[300];
Fits f = new Fits();
ImageHDU hdu = (ImageHDU)Fits.MakeHDU(img);
BufferedFile bf = new BufferedFile("ht1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.AddHDU(hdu);
f.Write(bf);
bf.Close();
f = new Fits("ht1.fits");
hdu = (ImageHDU)f.GetHDU(0);
Header hdr = hdu.Header;
Assertion.AssertEquals("NAXIS", 2, hdr.GetIntValue("NAXIS"));
Assertion.AssertEquals("NAXIS1", 300, hdr.GetIntValue("NAXIS1"));
Assertion.AssertEquals("NAXIS2", 300, hdr.GetIntValue("NAXIS2"));
Assertion.AssertEquals("NAXIS2a", 300, hdr.GetIntValue("NAXIS2", -1));
Assertion.AssertEquals("NAXIS3", -1, hdr.GetIntValue("NAXIS3", -1));
Assertion.AssertEquals("BITPIX", -32, hdr.GetIntValue("BITPIX"));
Cursor c = hdr.GetCursor();
c.MoveNext();
HeaderCard hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("SIMPLE_1", "SIMPLE", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("BITPIX_2", "BITPIX", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("NAXIS_3", "NAXIS", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("NAXIS1_4", "NAXIS1", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("NAXIS2_5", "NAXIS2", hc.Key);
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 TestSet()
{
Fits f = new Fits("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);
// BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt2a.fits",FileMode.Open));
BufferedFile bdos = new BufferedFile("bt2a.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
f = new Fits("bt2a.fits");
bhdu = (BinaryTableHDU)f.GetHDU(1);
float[] xdta = (float[])bhdu.GetElement(4, 1);
Assertion.AssertEquals("ts1", true, ArrayFuncs.ArrayEquals(dta, xdta));
Assertion.AssertEquals("ts2", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assertion.AssertEquals("ts5", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
Assertion.AssertEquals("ts4", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), dta));
float[] tvf = new float[] { 101, 102, 103, 104 };
vf[4] = tvf;
bhdu.SetColumn(1, vf);
Assertion.AssertEquals("ts6", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assertion.AssertEquals("ts7", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assertion.AssertEquals("ts8", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
// bdos = new BufferedDataStream(new FileStream("bt2b.fits",FileMode.Open));
bdos = new BufferedFile("bt2b.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
f.Close();
f = new Fits("bt2b.fits");
bhdu = (BinaryTableHDU)f.GetHDU(1);
Assertion.AssertEquals("ts9", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assertion.AssertEquals("ts10", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assertion.AssertEquals("ts11", 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);
Assertion.AssertEquals("ts12", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assertion.AssertEquals("ts13", false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assertion.AssertEquals("ts14", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
Assertion.AssertEquals("ts15", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
// bdos = new BufferedDataStream(new FileStream("bt2c.fits",FileMode.Open));
bdos = new BufferedFile("bt2c.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
f.Close();
f = new Fits("bt2c.fits");
bhdu = (BinaryTableHDU)f.GetHDU(1);
Assertion.AssertEquals("ts16", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
Assertion.AssertEquals("ts17", false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
Assertion.AssertEquals("ts18", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
Assertion.AssertEquals("ts19", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
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 TestSimpleIO()
{
FitsFactory.UseAsciiTables = false;
Fits 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("bt1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
f = new Fits("bt1.fits");
f.Read();
Assertion.AssertEquals("NHDU", 2, f.NumberOfHDUs);
BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);
Header hdr = thdu.Header;
Assertion.AssertEquals("HDR1", 9, hdr.GetIntValue("TFIELDS"));
Assertion.AssertEquals("HDR2", 2, hdr.GetIntValue("NAXIS"));
Assertion.AssertEquals("HDR3", 8, hdr.GetIntValue("BITPIX"));
Assertion.AssertEquals("HDR4", "BINTABLE", hdr.GetStringValue("XTENSION"));
Assertion.AssertEquals("HDR5", "bytes", hdr.GetStringValue("TTYPE1"));
Assertion.AssertEquals("HDR6", "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();
}
}
Assertion.AssertEquals("Data" + i, true, ArrayFuncs.ArrayEquals(data[i], col));
}
f.Close();
}
public void TestDegen2()
{
FitsFactory.UseAsciiTables = false;
Object[] data = new Object[]
{
new String[] { "a", "b", "c", "d", "e", "f" },
new int[] { 1, 2, 3, 4, 5, 6 },
new float[] { 1f, 2f, 3f, 4f, 5f, 6f },
new String[] { "", "", "", "", "", "" },
new String[] { "a", "", "c", "", "e", "f" },
new String[] { "", "b", "c", "d", "e", "f" },
new String[] { "a", "b", "c", "d", "e", "" },
new String[] { null, null, null, null, null, null },
new String[] { "a", null, "c", null, "e", "f" },
new String[] { null, "b", "c", "d", "e", "f" },
new String[] { "a", "b", "c", "d", "e", null }
};
Fits f = null;
try
{
f = new Fits();
f.AddHDU(Fits.MakeHDU(data));
BufferedFile ff = new BufferedFile(TestFileSetup.GetTargetFilename("bt8.fits"), FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(ff);
ff.Flush();
ff.Close();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt8.fits"));
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
Assert.AreEqual("e", bhdu.GetElement(4, data.Length - 1));
Assert.AreEqual("", bhdu.GetElement(5, data.Length - 1));
String[] col = (String[])bhdu.GetColumn(0);
Assert.AreEqual("a", col[0]);
Assert.AreEqual("f", col[5]);
col = (String[])bhdu.GetColumn(3);
Assert.AreEqual("", col[0]);
Assert.AreEqual("", col[5]);
col = (String[])bhdu.GetColumn(7); // All nulls
Assert.AreEqual("", col[0]);
Assert.AreEqual("", col[5]);
col = (String[])bhdu.GetColumn(8);
Assert.AreEqual("a", col[0]);
Assert.AreEqual("", col[1]);
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void TestVar()
{
Object[] data = new Object[] { floats, vf, vs, vd, shorts, vbool };
Fits f = new Fits();
f.AddHDU(Fits.MakeHDU(data));
//BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt2.fits", FileMode.Open, FileAccess.ReadWrite));
BufferedFile bdos = new BufferedFile("bt2.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bdos);
bdos.Close();
f = new Fits("bt2.fits", FileAccess.Read);
f.Read();
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
Header hdr = bhdu.Header;
Assertion.AssertEquals("var1", true, hdr.GetIntValue("PCOUNT") > 0);
Assertion.AssertEquals("var2", 6, hdr.GetIntValue("TFIELDS"));
for (int i = 0; i < data.Length; i += 1)
{
Assertion.AssertEquals("vardata(" + i + ")", true, ArrayFuncs.ArrayEquals(data[i], bhdu.GetColumn(i)));
}
}
internal static void SaveDarkOrFlatFrame(string fileName, int width, int height, string notes, float[,] averagedData, float exposureSeconds, int numFrames)
{
Fits f = new Fits();
object data = SaveImageData(width, height, averagedData);
BasicHDU imageHDU = Fits.MakeHDU(data);
nom.tam.fits.Header hdr = imageHDU.Header;
hdr.AddValue("SIMPLE", "T", null);
hdr.AddValue("BITPIX", -32 /* Floating Point Data*/, null);
hdr.AddValue("NAXIS", 2, null);
hdr.AddValue("NAXIS1", width, null);
hdr.AddValue("NAXIS2", height, null);
if (notes.Length > HeaderCard.MAX_VALUE_LENGTH) notes = notes.Substring(0, HeaderCard.MAX_VALUE_LENGTH);
hdr.AddValue("NOTES", notes, null);
if (exposureSeconds > 0)
{
hdr.AddValue("EXPOSURE", exposureSeconds.ToString("0.000", CultureInfo.InvariantCulture), null);
hdr.AddValue("EXPTIME", exposureSeconds.ToString("0.000", CultureInfo.InvariantCulture), null);
}
hdr.AddValue("SNAPSHOT", numFrames.ToString(), null);
hdr.AddValue("TANGRAVE", string.Format("{0} v{1}", VersionHelper.AssemblyProduct, VersionHelper.AssemblyFileVersion), null);
if (TangraConfig.Settings.Generic.ReverseGammaCorrection)
hdr.AddValue("TANGAMMA", TangraConfig.Settings.Photometry.EncodingGamma.ToString("0.0000", CultureInfo.InvariantCulture), null);
if (TangraConfig.Settings.Generic.ReverseCameraResponse)
hdr.AddValue("TANCMRSP", ((int)TangraConfig.Settings.Photometry.KnownCameraResponse).ToString(CultureInfo.InvariantCulture), null);
f.AddHDU(imageHDU);
// Write a FITS file.
using (BufferedFile bf = new BufferedFile(fileName, FileAccess.ReadWrite, FileShare.ReadWrite))
{
f.Write(bf);
bf.Flush();
}
}
public void BuildByRow()
{
Fits f = new Fits("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 = new Fits();
f.AddHDU(Fits.MakeHDU(btab));
BufferedFile bf = new BufferedFile("bt4.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
f = new Fits("bt4.fits", FileAccess.Read);
btab = (BinaryTable)f.GetHDU(1).Data;
Assertion.AssertEquals("row1", 100, btab.nRow);
// 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);
Assertion.AssertEquals("row2", (float)0, (float)xftt[0]);
xft = (Array[])xf.GetValue(99);
xftt = (float[])xft.GetValue(0);
Assertion.AssertEquals("row3", (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;
Assertion.AssertEquals("row4", true, ArrayFuncs.ArrayEquals(ba, vbool[trow])); // prob 1
Assertion.AssertEquals("row6", 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);
Assertion.AssertEquals("row7", 0F, (float)xftt[0]);
xft = (Array[])xf.GetValue(99);
xftt = (float[])xft.GetValue(0);
Assertion.AssertEquals("row8", (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;
Assertion.AssertEquals("row9", true, ArrayFuncs.ArrayEquals(ba, vbool[trow])); // prob 2
Assertion.AssertEquals("row11", true, ArrayFuncs.ArrayEquals(fx, vf[trow]));
}
f.Close();
}
