public void CreateByColumn()
{
Fits f = MakeAsciiTable();
WriteFile(f, "at1.fits");
System.Console.Out.WriteLine("\n\n**** Create a table column by Column ****");
f = new Fits("at1.fits", FileAccess.Read);
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
Object[] inputs = GetSampleCols();
Object[] outputs = (Object[])hdu.Kernel;
for (int i = 0; i < 50; i += 1)
{
((String[])outputs[4])[i] = ((String[])outputs[4])[i].Trim();
}
for (int j = 0; j < 5; j += 1)
{
Assertion.AssertEquals("ByCol:" + j,
true,
ArrayFuncs.ArrayEquals(inputs[j], outputs[j], Math.Pow(10, -6), Math.Pow(10, -14)));
}
}
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)));
}
}
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 TestRewrite()
{
Fits f = null;
try
{
// Should be rewriteable until we add enough cards to
// start a new block.
f = new Fits(TestFileSetup.GetTargetFilename("ht1.fits"));
ImageHDU hdu = (ImageHDU)f.GetHDU(0);
Header hdr = hdu.Header;
Cursor c = hdr.GetCursor();
c.MoveNext();
int nc = hdr.NumberOfCards;
int nb = (nc - 1) / 36;
while (hdr.Rewriteable)
{
int nbx = (hdr.NumberOfCards - 1) / 36;
Assert.AreEqual(nb == nbx, hdr.Rewriteable);
c.Add(new HeaderCard("DUMMY" + nbx, null, null));
}
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void ReadByRow()
{
Fits f = null;
try
{
f = new Fits(TestFileSetup.GetTargetFilename("at1.fits"), FileAccess.Read);
Object[] cols = GetSampleCols();
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
AsciiTable data = (AsciiTable)hdu.GetData();
Console.WriteLine("Reading Table by Row");
for (int i = 0; i < data.NRows; i += 1)
{
Assert.AreEqual(50, data.NRows);
Object[] row = (Object[])data.GetRow(i);
Assert.AreEqual(1f, ((float[])cols[0])[i] / ((float[])row[0])[0], Math.Pow(10, -6));
Assert.AreEqual(((int[])cols[1])[i], ((int[])row[1])[0]);
Assert.AreEqual(((long[])cols[2])[i], ((long[])row[2])[0]);
Assert.AreEqual(1f, ((double[])cols[3])[i] / ((double[])row[3])[0], Math.Pow(10, -14));
String[] st = (String[])row[4];
st[0] = st[0].Trim();
Assert.AreEqual(((String[])cols[4])[i], ((String[])row[4])[0]);
}
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void ReadByColumn()
{
Fits f = new Fits("at1.fits", FileAccess.Read);
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
AsciiTable data = (AsciiTable)hdu.GetData();
Object[] cols = GetSampleCols();
Assertion.AssertEquals("Number of rows", data.NRows, 50);
Assertion.AssertEquals("Number of columns", data.NCols, 5);
for (int j = 0; j < data.NCols; j += 1)
{
Object col = data.GetColumn(j);
if (j == 4)
{
String[] st = (String[])col;
for (int i = 0; i < st.Length; i += 1)
{
st[i] = st[i].Trim();
}
}
Assertion.AssertEquals("Ascii Columns:" + j, true, ArrayFuncs.ArrayEquals(cols[j], col, Math.Pow(10, -6), Math.Pow(10, -14)));
}
}
public void ReadByElement()
{
Fits f = null;
try
{
f = new Fits(TestFileSetup.GetTargetFilename("at2.fits"), FileAccess.Read);
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
AsciiTable data = (AsciiTable)hdu.GetData();
for (int i = 0; i < data.NRows; i += 1)
{
Object[] row = (Object[])data.GetRow(i);
for (int j = 0; j < data.NCols; j += 1)
{
Object val = data.GetElement(i, j);
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(val, row[j]));
}
}
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void TestBadHeader()
{
Fits f = new Fits("testdocs\\ht1.fits");
ImageHDU hdu = (ImageHDU)f.GetHDU(0);
Header hdr = hdu.Header;
Cursor c = hdr.GetCursor();
c = hdr.GetCursor();
c.MoveNext();
c.MoveNext();
c.Remove();
bool thrown = false;
try
{
hdr.Rewrite();
}
catch (Exception)
{
thrown = true;
}
Assertion.AssertEquals("BITPIX delete", true, thrown);
f.Close();
}
public void CreateByColumn()
{
Fits f = null;
try
{
f = MakeAsciiTable();
WriteFile(f, TestFileSetup.GetTargetFilename("at1.fits"));
System.Console.Out.WriteLine("\n\n**** Create a table column by Column ****");
f = new Fits(TestFileSetup.GetTargetFilename("at1.fits"), FileAccess.Read);
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
Object[] inputs = GetSampleCols();
Object[] outputs = (Object[])hdu.Kernel;
for (int i = 0; i < 50; i += 1)
{
((String[])outputs[4])[i] = ((String[])outputs[4])[i].Trim();
}
for (int j = 0; j < 5; j += 1)
{
Assert.AreEqual(true,
ArrayFuncs.ArrayEquals(inputs[j], outputs[j], Math.Pow(10, -6), Math.Pow(10, -14)));
}
}
finally
{
f.Close();
}
}
public void CreateByColumn()
{
Fits f = MakeAsciiTable();
WriteFile(f, "at1.fits");
System.Console.Out.WriteLine("\n\n**** Create a table column by Column ****");
f = new Fits("at1.fits", FileAccess.Read);
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
Object[] inputs = GetSampleCols();
Object[] outputs = (Object[])hdu.Kernel;
for (int i = 0; i < 50; i += 1)
{
((String[])outputs[4])[i] = ((String[])outputs[4])[i].Trim();
}
for (int j = 0; j < 5; j += 1)
{
Assertion.AssertEquals("ByCol:" + j,
true,
ArrayFuncs.ArrayEquals(inputs[j], outputs[j], Math.Pow(10, -6), Math.Pow(10, -14)));
}
}
public void TestBadHeader()
{
Fits f = null;
try
{
f = new Fits(TestFileSetup.GetTargetFilename("ht1.fits"));
ImageHDU hdu = (ImageHDU)f.GetHDU(0);
Header hdr = hdu.Header;
Cursor c = hdr.GetCursor();
c = hdr.GetCursor();
c.MoveNext();
c.MoveNext();
c.Remove();
bool thrown = false;
try
{
hdr.Rewrite();
}
catch (Exception e)
{
thrown = true;
}
Assert.AreEqual(true, thrown);
}
finally
{
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 CreateByRow()
{
Fits f = null;
try
{
f = new Fits();
AsciiTable data = new AsciiTable();
Object[] row = new Object[4];
System.Console.Out.WriteLine("\n\n**** Create a table column by Row ****");
for (int i = 0; i < 50; i += 1)
{
data.AddRow(GetRow(i));
}
f.AddHDU(Fits.MakeHDU(data));
WriteFile(f, TestFileSetup.GetTargetFilename("at2.fits"));
f.Close();
// Read it back.
f = new Fits(TestFileSetup.GetTargetFilename("at2.fits"), FileAccess.Read);
Object[] output = (Object[])f.GetHDU(1).Kernel;
Object[] input = GetRowBlock(50);
for (int i = 0; i < 50; i += 1)
{
String[] str = (String[])output[2];
String[] istr = (String[])input[2];
int len1 = str[1].Length;
str[i] = str[i].Trim();
// The first row would have set the length for all the
// remaining rows...
if (istr[i].Length > len1)
{
istr[i] = istr[i].Substring(0, len1);
}
}
for (int j = 0; j < 3; j += 1)
{
Assert.AreEqual(true,
ArrayFuncs.ArrayEquals(input[j], output[j], Math.Pow(10, -6), Math.Pow(10, -14)));
}
}
finally
{
if (f != null)
{
f.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 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 ReadByElement()
{
Fits f = new Fits("at2.fits", FileAccess.Read);
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
AsciiTable data = (AsciiTable)hdu.GetData();
for (int i = 0; i < data.NRows; i += 1)
{
Object[] row = (Object[])data.GetRow(i);
for (int j = 0; j < data.NCols; j += 1)
{
Object val = data.GetElement(i, j);
Assertion.AssertEquals("Ascii readElement", true, ArrayFuncs.ArrayEquals(val, row[j]));
}
}
}
public void CreateByRow()
{
Fits f = new Fits();
AsciiTable data = new AsciiTable();
Object[] row = new Object[4];
System.Console.Out.WriteLine("\n\n**** Create a table column by Row ****");
for (int i = 0; i < 50; i += 1)
{
data.AddRow(GetRow(i));
}
f.AddHDU(Fits.MakeHDU(data));
WriteFile(f, "at2.fits");
// Read it back.
f = new Fits("at2.fits", FileAccess.Read);
Object[] output = (Object[])f.GetHDU(1).Kernel;
Object[] input = GetRowBlock(50);
for (int i = 0; i < 50; i += 1)
{
String[] str = (String[])output[2];
String[] istr = (String[])input[2];
int len1 = str[1].Length;
str[i] = str[i].Trim();
// The first row would have set the length for all the
// remaining rows...
if (istr[i].Length > len1)
{
istr[i] = istr[i].Substring(0, len1);
}
}
for (int j = 0; j < 3; j += 1)
{
Assertion.AssertEquals("ByRow:" + j, true, ArrayFuncs.ArrayEquals(input[j], output[j], Math.Pow(10, -6), Math.Pow(10, -14)));
}
}
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 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 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 ReadByRow()
{
Fits f = new Fits("at1.fits", FileAccess.Read);
Object[] cols = GetSampleCols();
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
AsciiTable data = (AsciiTable)hdu.GetData();
Console.WriteLine("Reading Table by Row");
for (int i = 0; i < data.NRows; i += 1)
{
Assertion.AssertEquals("Rows:" + i, 50, data.NRows);
Object[] row = (Object[])data.GetRow(i);
Assertion.AssertEquals("Ascii Rows: float" + i, 1f, ((float[])cols[0])[i] / ((float[])row[0])[0], Math.Pow(10, -6));
Assertion.AssertEquals("Ascii Rows: int" + i, ((int[])cols[1])[i], ((int[])row[1])[0]);
Assertion.AssertEquals("Ascii Rows: long" + i, ((long[])cols[2])[i], ((long[])row[2])[0]);
Assertion.AssertEquals("Ascii Rows: double" + i, 1f, ((double[])cols[3])[i] / ((double[])row[3])[0], Math.Pow(10, -14));
String[] st = (String[])row[4];
st[0] = st[0].Trim();
Assertion.AssertEquals("Ascii Rows: Str" + i, ((String[])cols[4])[i], ((String[])row[4])[0]);
}
}
public void TestRewrite()
{
// Should be rewriteable until we add enough cards to
// start a new block.
Fits f = new Fits("testdocs\\ht1.fits");
ImageHDU hdu = (ImageHDU)f.GetHDU(0);
Header hdr = hdu.Header;
Cursor c = hdr.GetCursor();
c.MoveNext();
int nc = hdr.NumberOfCards;
int nb = (nc - 1) / 36;
while (hdr.Rewriteable)
{
int nbx = (hdr.NumberOfCards - 1) / 36;
Assertion.AssertEquals("Rewrite:" + nbx, nb == nbx, hdr.Rewriteable);
c.Add(new HeaderCard("DUMMY" + nbx, null, null));
}
f.Close();
}
public void ReadByColumn()
{
Fits f = null;
try
{
f = new Fits(TestFileSetup.GetTargetFilename("at1.fits"), FileAccess.Read);
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
AsciiTable data = (AsciiTable)hdu.GetData();
Object[] cols = GetSampleCols();
Assert.AreEqual(data.NRows, 50);
Assert.AreEqual(data.NCols, 5);
for (int j = 0; j < data.NCols; j += 1)
{
Object col = data.GetColumn(j);
if (j == 4)
{
String[] st = (String[])col;
for (int i = 0; i < st.Length; i += 1)
{
st[i] = st[i].Trim();
}
}
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(cols[j], col, Math.Pow(10, -6), Math.Pow(10, -14)));
}
}
finally
{
if (f != null)
{
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 TestBadHeader()
{
Fits f = new Fits("ht1.fits");
ImageHDU hdu = (ImageHDU)f.GetHDU(0);
Header hdr = hdu.Header;
Cursor c = hdr.GetCursor();
c = hdr.GetCursor();
c.MoveNext();
c.MoveNext();
c.Remove();
bool thrown = false;
try
{
hdr.Rewrite();
}
catch (Exception )
{
thrown = true;
}
Assertion.AssertEquals("BITPIX delete", true, thrown);
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 ReadByColumn()
{
Fits f = new Fits("at1.fits", FileAccess.Read);
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
AsciiTable data = (AsciiTable)hdu.GetData();
Object[] cols = GetSampleCols();
Assertion.AssertEquals("Number of rows", data.NRows, 50);
Assertion.AssertEquals("Number of columns", data.NCols, 5);
for (int j = 0; j < data.NCols; j += 1)
{
Object col = data.GetColumn(j);
if (j == 4)
{
String[] st = (String[])col;
for (int i = 0; i < st.Length; i += 1)
{
st[i] = st[i].Trim();
}
}
Assertion.AssertEquals("Ascii Columns:" + j, true, ArrayFuncs.ArrayEquals(cols[j], col, Math.Pow(10, -6), Math.Pow(10, -14)));
}
}
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();
}
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)));
}
}
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 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();
}
private void BuildAbsFlux()
{
var indexFile = new StringBuilder();
indexFile.AppendLine("BD and HD CALSPEC stars with STIS fluxes between 3000 and 10000 Angstroms");
indexFile.AppendLine("Name FK5_Coordinates_J2000 Type Mag B-V File_Name");
foreach (CalSpecStar star in CalSpecDatabase.Instance.Stars)
{
if (star.AbsFluxStarId.StartsWith("TYC")) continue;
string modifiedId = star.AbsFluxStarId.Replace(" ", "_");
if (modifiedId.Length < 10) modifiedId += "_";
while (modifiedId.Length < 10)
{
int firstUnderScorePos = modifiedId.IndexOf("_");
modifiedId = modifiedId.Substring(0, firstUnderScorePos) + "_" + modifiedId.Substring(firstUnderScorePos);
}
string raStr = AstroConvert.ToStringValue(star.RA_J2000_Hours, "HH MM SS.TTT");
string deStr = AstroConvert.ToStringValue(star.DE_J2000_Deg, "+DD MM SS.TT");
string dataFileName = Path.GetFileNameWithoutExtension(star.FITS_File) + "_t1.txt";
string line = string.Format("{0}{1} {2} {3}{4} {5} {6}\r\n",
modifiedId.PadRight(14), raStr, deStr,
star.SpecType.PadRight(7),
star.MagV.ToString("0.00").PadLeft(5),
star.MagBV.ToString("0.00").PadLeft(5),
dataFileName);
indexFile.Append(line);
string filePath = Path.GetFullPath(@"Z:\CALSPEC\current_calspec\" + star.FITS_File);
double wavelengthFrom = star.DataPoints.Keys.Min();
double wavelengthTo = star.DataPoints.Keys.Max();
using (var bf = new BufferedFile(filePath, FileAccess.Read, FileShare.ReadWrite))
{
var fitsFile = new Fits();
fitsFile.Read(bf);
BasicHDU imageHDU = fitsFile.GetHDU(1);
var table = (ColumnTable) imageHDU.Data.DataArray;
double[] wavelengths = (double[])table.Columns[0];
float[] fluxes = (float[])table.Columns[1];
float[] col2 = (float[])table.Columns[2];
float[] col3 = (float[])table.Columns[3];
float[] col4 = (float[])table.Columns[4];
short[] goodnessFlags = (short[])table.Columns[5];
float[] exposures = (float[])table.Columns[6];
var dataFile = new StringBuilder();
dataFile.AppendLine(" WAVELENGTH FLUX STATERROR SYSERROR FWHM DATAQUAL TOTEXP");
dataFile.AppendLine(" 1D 1E 1E 1E 1E 1I 1E");
dataFile.AppendLine(" ANGSTROMS FLAM FLAM FLAM ANGSTROMS NONE SEC");
for (int j = 0; j < fluxes.Length; j++)
{
if (wavelengths[j] < wavelengthFrom) continue;
if (wavelengths[j] > wavelengthTo) break;
string dataLine = string.Format("{0}{1}{2}{3}{4} {5}{6}",
((int)Math.Round(wavelengths[j])).ToString().PadLeft(16),
fluxes[j].ToString("E4").PadLeft(14),
col2[j].ToString("E4").PadLeft(14),
col3[j].ToString("E4").PadLeft(14),
col4[j].ToString("#.0").PadLeft(13),
goodnessFlags[j].ToString(),
exposures[j].ToString("E1").PadLeft(12));
dataFile.AppendLine(dataLine);
}
fitsFile.Close();
File.WriteAllText(@"Z:\AbsFlux\v3\" + dataFileName, dataFile.ToString());
}
}
File.WriteAllText(@"Z:\AbsFlux\v3\AbsFluxCALSPECstars.txt", indexFile.ToString());
}
public void TestRewrite()
{
// Should be rewriteable until we add enough cards to
// start a new block.
Fits f = new Fits("ht1.fits");
ImageHDU hdu = (ImageHDU)f.GetHDU(0);
Header hdr = hdu.Header;
Cursor c = hdr.GetCursor();
c.MoveNext();
int nc = hdr.NumberOfCards;
int nb = (nc - 1) / 36;
while (hdr.Rewriteable)
{
int nbx = (hdr.NumberOfCards - 1) / 36;
Assertion.AssertEquals("Rewrite:" + nbx, nb == nbx, hdr.Rewriteable);
c.Add(new HeaderCard("DUMMY" + nbx, null, null));
}
f.Close();
}
public void MakeDataFile()
{
string pathToCorr = "";
if (GlobalVariables.LocalPlateSolve)
pathToCorr = @"c:\cygwin\home\astro\solve.corr";
else
pathToCorr = GlobalVariables.Path2 + "\\corr.fits";
// Fits f = new Fits(GlobalVariables.Path2 + "\\corr.fits"); // original
Fits f = new Fits(pathToCorr);
BinaryTableHDU h = (BinaryTableHDU)f.GetHDU(1);
// Object[] row23 = h.GetRow(23);
Object col_x = h.GetColumn(0);
Object col_y = h.GetColumn(1);
Object col_ra = h.GetColumn(2);
Object col_dec = h.GetColumn(3);
float[] x = new float[h.NRows];
float[] y = new float[h.NRows];
float[] ra = new float[h.NRows];
float[] dec = new float[h.NRows];
GlobalVariables.CorrFileLines = h.NRows;
int i = 0;
foreach (float item in (dynamic)col_x)
{
x[i] = (dynamic)(item);
i++;
}
i = 0;
foreach (float item2 in (dynamic)col_y)
{
y[i] = (dynamic)(item2);
i++;
}
i = 0;
foreach (float item in (dynamic)col_ra)
{
ra[i] = (dynamic)(item)/15;
i++;
}
i = 0;
foreach (float item2 in (dynamic)col_dec)
{
dec[i] = (dynamic)(item2);
i++;
}
using (StreamWriter sr = new StreamWriter(GlobalVariables.Path2 + "\\corr2text.txt"))
{
// sr.WriteLine(" x " + " y ");
for (i = 0; i < x.Length; i++)
{
sr.WriteLine(x[i] + " \t" + y[i] + " \t" + ra[i] + " \t" + dec[i]);
}
sr.Dispose();
}
Log("Corr2text file complete in " + GlobalVariables.Path2);
}
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();
}
private void BuildCalSpecDb()
{
var db = new CalSpecDatabase();
int totalBad = 0;
string[] lines2 = File.ReadAllLines(@"F:\WORK\tangra3\Tangra 3\VideoOperations\Spectroscopy\AbsFluxCalibration\Standards\AbsFlux-TangraStars.csv");
for (int i = 1; i < lines2.Length; i++)
{
string[] tokens = lines2[i].Split(',');
string calSpecId = tokens[0].Trim();
string RA_FK5_Hours = tokens[1].Trim();
string DEG_FK5_Deg = tokens[2].Trim();
string pmRA = tokens[3].Trim();
string pmDec = tokens[4].Trim();
string specType = tokens[5].Trim();
string magV = tokens[6].Trim();
string magBV = tokens[7].Trim();
string absFluxId = tokens[8].Trim();
string stisFlag = tokens[9].Trim();
string fitsFilePath = tokens[10].Trim();
int stisFrom = int.Parse(tokens[11].Trim());
int stisTo = int.Parse(tokens[12].Trim());
string tyc2 = tokens[13].Trim();
string ucac4 = tokens[14].Trim();
if (!string.IsNullOrEmpty(pmRA) && !string.IsNullOrEmpty(pmDec))
{
var star = new CalSpecStar()
{
CalSpecStarId = calSpecId,
AbsFluxStarId = absFluxId,
STIS_Flag = stisFlag,
FITS_File = fitsFilePath,
TYC2 = tyc2,
U4 = ucac4,
pmRA = double.Parse(pmRA),
pmDE = double.Parse(pmDec),
MagV = double.Parse(magV),
MagBV = double.Parse(magBV),
SpecType = specType,
RA_J2000_Hours = AstroConvert.ToRightAcsension(RA_FK5_Hours),
DE_J2000_Deg = AstroConvert.ToDeclination(DEG_FK5_Deg)
};
string filePath = Path.GetFullPath(@"Z:\CALSPEC\current_calspec\" + fitsFilePath);
using (var bf = new BufferedFile(filePath, FileAccess.Read, FileShare.ReadWrite))
{
var fitsFile = new Fits();
fitsFile.Read(bf);
BasicHDU imageHDU = fitsFile.GetHDU(1);
var table = (ColumnTable)imageHDU.Data.DataArray;
double[] wavelengths = (double[])table.Columns[0];
float[] fluxes = (float[])table.Columns[1];
short[] goodnessFlags = (short[])table.Columns[5];
for (int j = 0; j < fluxes.Length; j++)
{
if (wavelengths[j] < stisFrom) continue;
if (wavelengths[j] > stisTo) break;
if (goodnessFlags[j] != 0)
star.DataPoints.Add(wavelengths[j], fluxes[j]);
else
totalBad++;
}
fitsFile.Close();
}
db.Stars.Add(star);
}
}
using (var compressedStream = new FileStream(@"F:\WORK\tangra3\Tangra 3\VideoOperations\Spectroscopy\AbsFluxCalibration\Standards\CalSpec.db", FileMode.CreateNew, FileAccess.Write))
using (var deflateStream = new DeflateStream(compressedStream, CompressionMode.Compress, true))
{
using (var writer = new BinaryWriter(deflateStream))
{
db.Serialize(writer);
}
}
using (var compressedStream = new FileStream(@"F:\WORK\tangra3\Tangra 3\VideoOperations\Spectroscopy\AbsFluxCalibration\Standards\CalSpec.db", FileMode.Open, FileAccess.Read))
using (var deflateStream = new DeflateStream(compressedStream, CompressionMode.Decompress, true))
{
using (var reader = new BinaryReader(deflateStream))
{
var db2 = new CalSpecDatabase(reader);
Trace.WriteLine(db2.Stars.Count);
}
}
MessageBox.Show(totalBad.ToString() + " bad entries excluded.");
string[] fitsFiles = Directory.GetFiles(@"Z:\CALSPEC\current_calspec", "*.fit");
var dist = new Dictionary<int, int>();
foreach (string filePath in fitsFiles)
{
using (var bf = new BufferedFile(filePath, FileAccess.Read, FileShare.ReadWrite))
{
var fitsFile = new Fits();
fitsFile.Read(bf);
var bld = new StringBuilder();
BasicHDU headerHDU = fitsFile.GetHDU(0);
BasicHDU imageHDU = fitsFile.GetHDU(1);
for (int i = 0; i < headerHDU.Header.NumberOfCards; i++)
{
string cardString = headerHDU.Header.GetCard(i);
bld.AppendFormat("# {0}\r\n", cardString);
}
for (int i = 0; i < imageHDU.Header.NumberOfCards; i++)
{
string cardString = imageHDU.Header.GetCard(i);
bld.AppendFormat("# {0}\r\n", cardString);
}
var table = (ColumnTable)imageHDU.Data.DataArray;
if (table.Columns.Length == 7 &&
table.Columns[0] is double[] && table.Columns[1] is float[] && table.Columns[2] is float[] && table.Columns[3] is float[] &&
table.Columns[4] is float[] && table.Columns[5] is short[] && table.Columns[6] is float[])
{
double[] wavelengths = (double[])table.Columns[0];
float[] fluxes = (float[])table.Columns[1];
float[] col2 = (float[])table.Columns[2];
float[] col3 = (float[])table.Columns[3];
float[] col4 = (float[])table.Columns[4];
short[] goodnessFlags = (short[])table.Columns[5];
float[] exposures = (float[])table.Columns[6];
for (int i = 0; i < fluxes.Length; i++)
{
if (wavelengths[i] < 2000) continue;
if (wavelengths[i] > 15000) break;
bld.Append(wavelengths[i].ToString().PadLeft(20));
bld.Append(fluxes[i].ToString().PadLeft(20));
bld.Append(col2[i].ToString().PadLeft(20));
bld.Append(col3[i].ToString().PadLeft(20));
bld.Append(col4[i].ToString().PadLeft(20));
bld.Append(goodnessFlags[i].ToString().PadLeft(15));
bld.Append(exposures[i].ToString().PadLeft(15));
bld.AppendLine();
int expMS = (int)Math.Round(exposures[i] * 1000);
if (!dist.ContainsKey(expMS)) dist.Add(expMS, 0);
dist[expMS]++;
}
}
string outFileName = Path.ChangeExtension(filePath, ".txt");
File.WriteAllText(outFileName, bld.ToString());
fitsFile.Close();
}
}
var output = new StringBuilder();
foreach (int key in dist.Keys)
{
output.AppendFormat("{0}s = {1}\r\n", (key / 1000.0).ToString("0.0"), dist[key]);
}
MessageBox.Show(output.ToString());
}
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 ReadByRow()
{
Fits f = new Fits("at1.fits", FileAccess.Read);
Object[] cols = GetSampleCols();
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
AsciiTable data = (AsciiTable)hdu.GetData();
Console.WriteLine("Reading Table by Row");
for (int i = 0; i < data.NRows; i += 1)
{
Assertion.AssertEquals("Rows:" + i, 50, data.NRows);
Object[] row = (Object[])data.GetRow(i);
Assertion.AssertEquals("Ascii Rows: float" + i, 1f, ((float[])cols[0])[i] / ((float[])row[0])[0], Math.Pow(10, -6));
Assertion.AssertEquals("Ascii Rows: int" + i, ((int[])cols[1])[i], ((int[])row[1])[0]);
Assertion.AssertEquals("Ascii Rows: long" + i, ((long[])cols[2])[i], ((long[])row[2])[0]);
Assertion.AssertEquals("Ascii Rows: double" + i, 1f, ((double[])cols[3])[i] / ((double[])row[3])[0], Math.Pow(10, -14));
String[] st = (String[])row[4];
st[0] = st[0].Trim();
Assertion.AssertEquals("Ascii Rows: Str" + i, ((String[])cols[4])[i], ((String[])row[4])[0]);
}
}
public void TestCursor()
{
Fits f = new Fits("ht1.fits");
ImageHDU hdu = (ImageHDU)f.GetHDU(0);
Header hdr = hdu.Header;
Cursor c = hdr.GetCursor();
c.Key = "XXX";
c.Add("CTYPE1", new HeaderCard("CTYPE1", "GLON-CAR", "Galactic Longitude"));
c.Add("CTYPE2", new HeaderCard("CTYPE2", "GLAT-CAR", "Galactic Latitude"));
c.Key = "CTYPE1"; // Move before CTYPE1
c.Add("CRVAL1", new HeaderCard("CRVAL1", 0f, "Longitude at reference"));
c.Key = "CTYPE2"; // Move before CTYPE2
c.Add("CRVAL2", new HeaderCard("CRVAL2", -90f, "Latitude at reference"));
c.Key = "CTYPE1"; // Just practicing moving around!!
c.Add("CRPIX1", new HeaderCard("CRPIX1", 150.0, "Reference Pixel X"));
c.Key = "CTYPE2";
c.Add("CRPIX2", new HeaderCard("CRPIX2", 0f, "Reference pixel Y"));
c.Add("INV2", new HeaderCard("INV2", true, "Invertible axis"));
c.Add("SYM2", new HeaderCard("SYM2", "YZ SYMMETRIC", "Symmetries..."));
Assertion.AssertEquals("CTYPE1", "GLON-CAR", hdr.GetStringValue("CTYPE1"));
Assertion.AssertEquals("CRPIX2", 0f, hdr.GetDoubleValue("CRPIX2", -2f));
c.Key = "CRVAL1";
HeaderCard hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("CRVAL1_c", "CRVAL1", hc.Key);
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("CRPIX1_c", "CRPIX1", hc.Key);
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("CTYPE1_c", "CTYPE1", hc.Key);
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("CRVAL2_c", "CRVAL2", hc.Key);
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("CRPIX2_c", "CRPIX2", hc.Key);
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("INV2_c", "INV2", hc.Key);
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("SYM2_c", "SYM2", hc.Key);
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("CTYPE2_c", "CTYPE2", hc.Key);
hdr.FindCard("CRPIX1");
hdr.AddValue("INTVAL1", 1, "An integer value");
hdr.AddValue("LOG1", true, "A true value");
hdr.AddValue("LOGB1", false, "A false value");
hdr.AddValue("FLT1", 1.34, "A float value");
hdr.AddValue("FLT2", -1.234567890e-134, "A very long float");
hdr.AddValue("COMMENT", null, "Comment after flt2");
c.Key = "INTVAL1";
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("INTVAL1", "INTVAL1", hc.Key);
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("LOG1", "LOG1", hc.Key);
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("LOGB1", "LOGB1", hc.Key);
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("FLT1", "FLT1", hc.Key);
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("FLT2", "FLT2", hc.Key);
c.MoveNext(); // Skip comment
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
c.MoveNext();
Assertion.AssertEquals("CRPIX1x", "CRPIX1", hc.Key);
Assertion.AssertEquals("FLT1", 1.34, hdr.GetDoubleValue("FLT1", 0));
c.Key = "FLT1";
c.Remove();
Assertion.AssertEquals("FLT1", 0f, hdr.GetDoubleValue("FLT1", 0));
c.Key = "LOGB1";
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("AftDel1", "LOGB1", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("AftDel2", "FLT2", hc.Key);
c.MoveNext();
hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
Assertion.AssertEquals("AftDel3", "Comment after flt2", hc.Comment);
c.MoveNext();
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 ReadByElement()
{
Fits f = new Fits("at2.fits", FileAccess.Read);
AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
AsciiTable data = (AsciiTable)hdu.GetData();
for (int i = 0; i < data.NRows; i += 1)
{
Object[] row = (Object[])data.GetRow(i);
for (int j = 0; j < data.NCols; j += 1)
{
Object val = data.GetElement(i, j);
Assertion.AssertEquals("Ascii readElement", true, ArrayFuncs.ArrayEquals(val, row[j]));
}
}
}
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 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 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 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 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 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)));
}