public String getHeaderString() {
Header hdr = hdu.getHeader();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(baos);
hdr.dumpHeader(ps);
String hdrString = baos.toString();
try {
baos.close();
} catch (IOException e) {
e.printStackTrace();
}
ps.close();
return hdrString;
}
public String getWcsHeaderCardsString() {
Header header = hdu.getHeader();
Header filteredHeader = new Header();
// now adjust WCS values:
ArrayList<HeaderCard> cards = new ArrayList<HeaderCard>();
cards.add(header.findCard("CTYPE1"));
cards.add(header.findCard("CTYPE2"));
cards.add(header.findCard("RADESYS"));
cards.add(header.findCard("RADECSYS"));
cards.add(header.findCard("CRVAL1"));
cards.add(header.findCard("CRVAL2"));
cards.add(header.findCard("CDELT1"));
cards.add(header.findCard("CDELT2"));
cards.add(header.findCard("EQUINOX"));
cards.add(header.findCard("BUNIT"));
cards.add(header.findCard("EPOCH"));
cards.add(header.findCard("CD1_1"));
cards.add(header.findCard("CD1_2"));
cards.add(header.findCard("CD2_1"));
cards.add(header.findCard("CD2_2"));
cards.add(header.findCard("CRPIX1"));
cards.add(header.findCard("CRPIX2"));
cards.add(header.findCard("END"));
cards.forEach(
(card) -> {
if (card != null) {
try {
filteredHeader.addLine(card);
} catch (Exception e) {
e.printStackTrace();
}
}
});
ByteArrayOutputStream baos = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(baos);
filteredHeader.dumpHeader(ps);
String wcsHdrString = baos.toString();
try {
baos.close();
} catch (IOException e) {
e.printStackTrace();
}
ps.close();
return wcsHdrString;
}