#! /bin/sh
# This is the LHEA perl script: xsl_xmm_epic_makeresp
# The purpose of this special block is to make this script work with
# the user's local perl, regardless of where that perl is installed.
# The variable LHEAPERL is set by the initialization script to
# point to the local perl installation.
#-------------------------------------------------------------------------------
eval '
if [ "x$LHEAPERL" = x ]; then
  echo "Please run standard LHEA initialization before attempting to run xsl_xmm_epic_makeresp."
  exit 3
elif [ "$LHEAPERL" = noperl ]; then
  echo "During LHEA initialization, no acceptable version of Perl was found."
  echo "Cannot execute script xsl_xmm_epic_makeresp."
  exit 3
elif [ `$LHEAPERL -v < /dev/null 2> /dev/null | grep -ic "perl"` -eq 0 ]; then
  echo "LHEAPERL variable does not point to a usable perl."
  exit 3
else
  exec $LHEAPERL -x $0 ${1+"$@"}
fi
'
if(0);
# Do not delete anything above this comment from an installed LHEA script!
#-------------------------------------------------------------------------------
#! /usr/bin/perl 
$version ="1.10";
$date  ="2002-11-29";
$author = "kaa";

# This script makes the XMM EMOS rmf and arf. It is run by the xselect
# routine xsl_rspsav.

# we need XMM SAS...

if($ENV{'SAS_CCF'} !~/\S/) 
{
    print "\n You need to set up SAS to calculate this response.\n\n";
    exit(0);
}

# Check that we were given an input filename

if(@ARGV < 1 || @ARGV > 2)
{
    print "\n usage : xsl_xmm_epic_makeresp infile extended?\n";
    exit(0);
}

$infile  = $ARGV[0];
$extended = "no";
if(@ARGV == 2 && $ARGV[1] eq "yes") {
   $extended = "yes";
}

$dot = index($infile,".");
$rootname = substr($infile, 0, $dot);

$rmffile = $rootname . ".rmf";
$arffile = $rootname . ".arf";

# as a precaution check for the presence of DATE and CREATOR keywords in the
# spectrum extension and remove them if they are present. SAS currently dies if
# these keywords are present

$command = "fkeypar fitsfile='$infile\[SPECTRUM\]' keyword=CREATOR";
system($command);
($exist = `pget fkeypar exist`) =~ tr/\n//d;
if ($exist eq "yes") {
    $command = "fparkey value=junk fitsfile='$infile\[SPECTRUM\]' keyword=-CREATOR";
    system($command);
}

$command = "fkeypar fitsfile='$infile\[SPECTRUM\]' keyword=DATE";
system($command);
($exist = `pget fkeypar exist`) =~ tr/\n//d;
if ($exist eq "yes") {
    $command = "fparkey value=junk fitsfile='$infile\[SPECTRUM\]' keyword=-DATE";
    system($command);
}

# run rmfgen to make the rmf

$command = "rmfgen format=var rmfset=$rmffile spectrumset=$infile threshold=1.0e-6";
print "\n",$command,"\n\n";
system($command);

# run arfgen to make the arf

if ($extended eq "yes") {
   $command = "arfgen arfset=$arffile spectrumset=$infile withrmfset=yes rmfset=$rmffile extendedsource=yes modelee=yes withbadpixcorr=no modelootcorr=yes useodfatt=no";
} else {
   $command = "arfgen arfset=$arffile spectrumset=$infile withrmfset=yes rmfset=$rmffile extendedsource=no modelee=yes withbadpixcorr=no modelootcorr=yes useodfatt=no";
}
print "\n",$command,"\n\n";
system($command);

# set the RESPFILE and ANCRFILE keywords in the spectrum to point to the
# files that have been created

$command = "fparkey value=$rmffile fitsfile=$infile\[SPECTRUM\] keyword=RESPFILE";
system($command);
$command = "fparkey value=$arffile fitsfile=$infile\[SPECTRUM\] keyword=ANCRFILE";
system($command);