Examples of net.ivoa.fits.data.AsciiTable

net.ivoa.fits.data.AsciiTable
An ASCII table.

    }


    f = new Fits("at1.fits");


    AsciiTableHDU hdu = (AsciiTableHDU) f.getHDU(1);
    AsciiTable data = (AsciiTable) hdu.getData();


    for (int i = 0; i < 10; i += 1) {
      Object[] row = data.getRow(i);
      float[] f2 = (float[]) row[0];
      String[] s2 = (String[]) row[4];
      f1 = (float[]) data.getElement(i, 0);
      s1 = (String[]) data.getElement(i, 4);
      assertEquals(f1[0], f2[0], 0.0f);
      assertEquals(s1[0], s2[0]);
    }


    f1 = (float[]) data.getColumn(0);
    s1 = (String[]) data.getColumn(4);
    for (int i = 0; i < 10; i += 1) {
      assertEquals(realCol[i], f1[i], 0.0f);
      assertEquals(s1[i].trim(), strCol[i]);
    }


    for (int i = 0; i < 10; i += 1) {
      Object[] row = data.getRow(i);
      f1 = (float[]) row[0];
      s1 = (String[]) row[4];
      float[] f2 = (float[]) data.getElement(i, 0);
      String[] s2 = (String[]) data.getElement(i, 4);
      assertEquals(f1[0], f2[0], 0.0f);
      assertEquals(s1[0], s2[0]);
    }


    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(4, row);


    // Rewrite (for grins rewrite header second)
    hdu.getHeader().rewrite();


    BufferedFile bf = new BufferedFile("at1.fits", "rw");
    f.write(bf);


    bf.flush();
    bf.close();


    f = new Fits("at1.fits");
    data = (AsciiTable) f.getHDU(1).getData();
    for (int i = 0; i < 35; i += 1) {
      row = data.getRow(i);
      f1 = (float[]) row[0];
      s1 = (String[]) row[4];
      if (i == 4) {
        assertEquals(6.28f, f1[0], 0.0f);
        assertEquals("A string", s1[0].trim());
      } else {
        if (i == 3) {
          assertEquals(3.14159f, f1[0], 0.0f);
        } else if (i == 5 || i == 6) {
          try {
            assertEquals(0, f1[0], 0);
            fail("Expected null, get non-null");
          } catch (NullPointerException ex) {
          }
        } else {
          assertEquals(2 * realCol[i], f1[0], 0.0f);
        }
      }
      f1 = (float[]) data.getElement(i, 0);
      s1 = (String[]) data.getElement(i, 4);
      if (i == 4) {
        assertEquals(6.28f, f1[0], 0);
        assertEquals("A string", s1[0].trim());
      } else {
        if (i == 3) {
          assertEquals(3.14159f, f1[0], 0);
        } else if (i == 5 || i == 6) {
          try {
            assertEquals(0, f1[0], 0);
            fail("Expected null, get non-null");
          } catch (NullPointerException ex) {
          }
        } else {
          assertEquals((2 * realCol[i]), f1[0], 0);
        }
        assertEquals(strCol[i], s1[0].trim());
      }
    }


    f1 = (float[]) data.getColumn(0);
    for (int i = 0; i < 35; i += 1) {
      if (i == 3) {
        assertEquals(3.14159f, f1[i], 0);
      } else if (i == 4) {
        assertEquals(6.28f, f1[i], 0);
      } else if (i == 5 || i == 6) {
        assertTrue(data.isNull(i, 0));
        assertEquals(0, f1[i], 0);
      } else {
        assertFalse(data.isNull(i, 0));
        assertEquals((2 * realCol[i]), f1[i], 0);
      }
    }


    // clean up

View Full Code Here

    }
  }


  public void test1() throws Exception {
    FitsFactory.setUseAsciiTables(true);
    AsciiTable data = new AsciiTable();


    data.addColumn(longCol);
    data.addColumn(realCol);
    data.addColumn(intCol, 20);
    data.addColumn(strCol, 10);


    Fits f = new Fits();
    f.addHDU(Fits.makeHDU(data));


    // Create a table row by row .
    data = new AsciiTable();
    Object[] row = new Object[4];
    for (int i = 0; i < realCol.length; i += 1) {
      row[0] = new String[]{strCol[i]};
      row[3] = new float[]{realCol[i]};
      row[1] = new int[]{intCol[i]};
      row[2] = new double[]{doubleCol[i]};
      data.addRow(row);
    }
    f.addHDU(Fits.makeHDU(data));


    BufferedFile bf = new BufferedFile("test1.fits", "rw");
    f.write(bf);

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   * @exception FitsException
   *                if the Data object could not be created from this HDU's
   *                Header
   */
  public static Data manufactureData(Header hdr) throws FitsException {
    return new AsciiTable(hdr);
  }

View Full Code Here

  }


  public static Data encapsulate(Object o) throws FitsException {


    Object[] oo = (Object[]) o;
    AsciiTable d = new AsciiTable();
    for (int i = 0; i < oo.length; i += 1) {
      d.addColumn(oo[i]);
    }
    return d;
  }

View Full Code Here

      assertEquals(strCol[i], s1[i].trim());
    }
  }


  public void testAsciiTableCreate2() throws Exception {
    AsciiTable data = new AsciiTable();


    data.addColumn(longCol);
    data.addColumn(realCol);
    data.addColumn(intCol, 20);
    data.addColumn(strCol, 10);


    f = new Fits();
    f.addHDU(Fits.makeHDU(data));


    // Create a table row by row .
    data = new AsciiTable();
    Object[] row = new Object[4];
    for (int i = 0; i < realCol.length; i += 1) {
      row[0] = new String[]{strCol[i]};
      row[3] = new float[]{realCol[i]};
      row[1] = new int[]{intCol[i]};
      row[2] = new double[]{doubleCol[i]};
      data.addRow(row);
    }
    f.addHDU(Fits.makeHDU(data));


    BufferedFile bf = new BufferedFile("at2.fits", "rw");
    f.write(bf);

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Related Classes of net.ivoa.fits.data.AsciiTable

net.ivoa.fits.hdu.AsciiTableHDU

net.ivoa.fits.HeaderCard

net.ivoa.fits.test.TestAsciiTable

net.ivoa.fits.test.TestFitsCopy

java.io.IOException

net.ivoa.fits.FitsException

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