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 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 = 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 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 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 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();
}
}
}
