@Test
public void testFitsUndefinedHdu3() throws Exception {
Fits fits1 = makeAsciiTable();
fits1.read();
byte[] undefinedData = new byte[1000];
for (int index = 0; index < undefinedData.length; index++) {
undefinedData[index] = (byte) index;
}
Data data = UndefinedHDU.encapsulate(undefinedData);
Header header = new Header(data);
Cursor<String, HeaderCard> iter = header.iterator();
String[] headers = new String[header.getNumberOfCards() - 1];
int index = 0;
while (iter.hasNext()) {
HeaderCard headerCard = iter.next();
// the EXTEND key will be deleted later on because the header is no
// primary header so don't use it
if (!headerCard.getKey().equals("EXTEND")) {
headers[index++] = headerCard.toString();
}
}
Header newHeader = new Header(headers);
for (index = 0; index < headers.length; index++) {
Assert.assertEquals(header.getCard(index), newHeader.getCard(index));
}
fits1.addHDU(FitsFactory.hduFactory(newHeader, data));
BufferedDataOutputStream os =
new BufferedDataOutputStream(new FileOutputStream("target/UndefindedHDU3.fits"));
fits1.write(os);
os.close();
Fits fits2 = new Fits("target/UndefindedHDU3.fits");
BasicHDU[] hdus = fits2.read();
for (index = 0; index < headers.length; index++) {
Assert.assertEquals(header.getCard(index), hdus[5].getHeader().getCard(index));
}
}
/** Update the display to show the FITS headers of the spectrum */
public void updateDisplay() {
Header header = null;
if (specData != null) {
header = specData.getHeaders();
}
// Stop with null table if no spectrum or no headers.
if (specData == null || header == null) {
table.setModel(new DefaultTableModel());
return;
}
String[] columnNames = {"Keyword", "Value", "Comment"};
int numKeywords = header.getNumberOfCards();
String[][] values = new String[numKeywords][3];
Iterator it = header.iterator();
int n = 0;
while (it.hasNext()) {
HeaderCard card = (HeaderCard) (it.next());
String key = card.getKey();
String value = card.getValue();
String comment = card.getComment();
// A blank keyword is really a comment line.
if ("".equals(key)) {
value = comment;
comment = "";
}
values[n][0] = key;
values[n][1] = value;
values[n++][2] = comment;
}
table.setModel(new DefaultTableModel(values, columnNames));
// Set default widths, matched to FITS format.
TableColumn column = table.getColumnModel().getColumn(0);
column.setPreferredWidth(100);
column = table.getColumnModel().getColumn(1);
column.setPreferredWidth(300);
column = table.getColumnModel().getColumn(2);
column.setPreferredWidth(450);
}