public void TestSimpleIO()
{
Fits f = null;
try
{
FitsFactory.UseAsciiTables = false;
f = new Fits();
Object[] data = new Object[]
{
bytes, bits, bools, shorts, ints,
floats, doubles, longs, strings
};
f.AddHDU(Fits.MakeHDU(data));
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
bhdu.SetColumnName(0, "bytes", null);
bhdu.SetColumnName(1, "bits", "bits later on");
bhdu.SetColumnName(6, "doubles", null);
bhdu.SetColumnName(5, "floats", "4 x 4 array");
BufferedFile bf =
new BufferedFile(
TestFileSetup.GetTargetFilename("bt1.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt1.fits"));
f.Read();
Assert.AreEqual(2, f.NumberOfHDUs);
BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);
Header hdr = thdu.Header;
Assert.AreEqual(9, hdr.GetIntValue("TFIELDS"));
Assert.AreEqual(2, hdr.GetIntValue("NAXIS"));
Assert.AreEqual(8, hdr.GetIntValue("BITPIX"));
Assert.AreEqual("BINTABLE", hdr.GetStringValue("XTENSION"));
Assert.AreEqual("bytes", hdr.GetStringValue("TTYPE1"));
Assert.AreEqual("doubles", hdr.GetStringValue("TTYPE7"));
for (int i = 0; i < data.Length; i += 1)
{
Object col = thdu.GetColumn(i);
if (i == 8)
{
String[] st = (String[])col;
for (int j = 0; j < st.Length; j += 1)
{
st[j] = st[j].Trim();
}
}
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(data[i], col));
}
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void 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 TestObj()
{
FitsFactory.UseAsciiTables = false;
/*** Create a binary table from an Object[][] array */
Object[][] x = new Object[5][];
for (int i = 0; i < 5; i += 1)
{
x[i] = new Object[3];
x[i][0] = new float[] { i };
string temp = string.Concat("AString", i);
x[i][1] = new string[] { temp };
int[][] t = new int[2][];
for (int j = 0; j < 2; j++)
{
t[j] = new int[2];
t[j][0] = j * i;
t[j][1] = (j + 2) * i;
}
x[i][2] = t;
}
Fits f = null;
try
{
f = new Fits();
BasicHDU hdu = Fits.MakeHDU(x);
f.AddHDU(hdu);
BufferedFile bf =
new BufferedFile(
TestFileSetup.GetTargetFilename("bt5.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Close();
bf.Dispose();
/* Now get rid of some columns */
BinaryTableHDU xhdu = (BinaryTableHDU)hdu;
// First column
Assert.AreEqual(3, xhdu.NCols);
xhdu.DeleteColumnsIndexOne(1, 1);
Assert.AreEqual(2, xhdu.NCols);
xhdu.DeleteColumnsIndexZero(1, 1);
Assert.AreEqual(1, xhdu.NCols);
bf = new BufferedFile(
TestFileSetup.GetTargetFilename("bt6.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(TestFileSetup.GetTargetFilename("bt6.fits"));
xhdu = (BinaryTableHDU)f.GetHDU(1);
Assert.AreEqual(1, xhdu.NCols);
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void BuildByRow()
{
Fits f = null;
try
{
f = new Fits(
TestFileSetup.GetTargetFilename("bt2.fits"),
FileAccess.Read);
f.Read();
BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
Header hdr = bhdu.Header;
BinaryTable btab = (BinaryTable)bhdu.Data;
for (int i = 0; i < 50; i += 1)
{
Object[] row = (Object[])btab.GetRow(i);
float[] qx = (float[])row[1];
Array[] p = (Array[])row[0];
float[] pt = (float[])p.GetValue(0);
pt[0] = (float)(i * Math.Sin(i));
btab.AddRow(row);
}
f.Close();
f = new Fits();
f.AddHDU(Fits.MakeHDU(btab));
BufferedFile bf =
new BufferedFile(
TestFileSetup.GetTargetFilename("bt4.fits"),
FileAccess.ReadWrite,
FileShare.ReadWrite);
f.Write(bf);
bf.Flush();
bf.Close();
bf.Dispose();
f.Close();
f = new Fits(
TestFileSetup.GetTargetFilename("bt4.fits"),
FileAccess.Read);
btab = (BinaryTable)f.GetHDU(1).Data;
Assert.AreEqual(100, btab.NRows);
// Try getting data before we Read in the table.
Array[] xf = (Array[])btab.GetColumn(0);
Array[] xft = (Array[])xf.GetValue(50);
float[] xftt = (float[])xft.GetValue(0);
Assert.AreEqual((float)0, (float)xftt[0]);
xft = (Array[])xf.GetValue(99);
xftt = (float[])xft.GetValue(0);
Assert.AreEqual((float)(49 * Math.Sin(49)), (float)xftt[0]);
for (int i = 0; i < xf.Length; i += 3)
{
bool[] ba = (bool[])btab.GetElement(i, 5);
float[] fx = (float[])btab.GetElement(i, 1);
int trow = i % 50;
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(ba, vbool[trow])); // prob 1
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(fx, vf[trow]));
}
// Fill the table.
Data data = f.GetHDU(1).Data;
xf = (Array[])btab.GetColumn(0);
xft = (Array[])xf.GetValue(50);
xftt = (float[])xft.GetValue(0);
Assert.AreEqual(0F, (float)xftt[0]);
xft = (Array[])xf.GetValue(99);
xftt = (float[])xft.GetValue(0);
Assert.AreEqual((float)(49 * Math.Sin(49)), (float)xftt[0]);
for (int i = 0; i < xf.Length; i += 3)
{
bool[] ba = (bool[])btab.GetElement(i, 5);
float[] fx = (float[])btab.GetElement(i, 1);
int trow = i % 50;
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(ba, vbool[trow])); // prob 2
Assert.AreEqual(true, ArrayFuncs.ArrayEquals(fx, vf[trow]));
}
}
finally
{
if (f != null)
{
f.Close();
}
}
}
public void 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 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();
}
}
}