Subs::UvotGraspCorr (version $)

package Subs::UvotGraspCorr;
##############################################################################
#
# DESCRIPTION: Apply uvotgraspcorr
#
# HISTORY: $Log: UvotGraspCorr.pm,v $
# HISTORY: Revision 1.8  2013/08/14 07:06:29  apsop
# HISTORY: Added the VERSION comment, which lets comN.N/tools/doc
# HISTORY: create the HTML documentation for this file.
# HISTORY:
# HISTORY: Revision 1.7  2013/08/13 19:38:01  apsop
# HISTORY: Handle the case of having ONLY grism data..
# HISTORY:
# HISTORY: Revision 1.6  2013/07/16 07:27:23  apsop
# HISTORY: Rename the resulting grism aspect correction HDU to GRASPCORR,
# HISTORY: so it's different than the non-grism correction's (ASPCORR).
# HISTORY:
# HISTORY: Revision 1.5  2012/01/12 06:52:03  apsop
# HISTORY: Changes going to proc3.15.03
# HISTORY:
#
# VERSION: $Revision: 1.8 $
#
##############################################################################

use Subs::Sub;
use Util::GTIfile;
use Util::SWCatalogue;
use Util::FITSfile;

@ISA = ("Subs::Sub");
use strict;

sub new {
    my $proto=shift;
    my $self=$proto->SUPER::new();

    $self->{DESCRIPTION}="Apply uvotgraspcorr";

    return $self;
}

##################
# METHODS:
##################

sub body {
    my $self=shift;

    my $log     =$self->log();
    my $filename=$self->filename();
    my $jobpar	=$self->jobpar();

    #########################
    # Apply uvotgraspcorr
    #########################
    $self->apply_uvot_grasp_corr();

} # end of body method


#############################################################################
# Apply uvotgraspcorr
#############################################################################
sub apply_uvot_grasp_corr {
    my $self=shift;

    my $log     =$self->log();
    my $filename=$self->filename();
    my $jobpar=$self->jobpar();
    my $procpar =$self->procpar();

 	my $corrfile = $filename->get('hk', 'u', 'ac', 0);
        if(! $corrfile ){
          $log->error(1, "unable to determine UVOT aspect corr file, bailing");
          return ;
        }

	my @infile1=$filename->get('detimage', 'uvot','*', '*');
        if(! @infile1 ){
          $log->error(1, "no UVOT detimage files to process");
          return ;
        }

	my $infile=join(",",@infile1);

	# switch the first catspec for grism processing
	my @parspec = split(/,/, $procpar->read('starcatalog'));
	my (undef, $dir) = File::Basename::fileparse($parspec[0]);
	my $grismspec = "$dir/usnob1.grism";
	my $catspec = join(',', $grismspec, $parspec[1]);

        my $uvotgraspcorr=Util::HEAdas->new("uvotgraspcorr")->is_script( 1 );
        $uvotgraspcorr->params({
	    infile => $infile,
	    catspec => $catspec,
	    starid => 'NONE',
	    distfile => 'DEFAULT',
	    chatter => 5,
	    history => 'yes',
	    clobber => 'yes',
	    outfile => "uac.hk",
	    cleanup => 'yes'#,
        });
        $uvotgraspcorr->run();

    if (-e 'uac.hk' ) {
	if (-e $corrfile) {
	    my $append = Util::HEAdas->new('ftappend');
	    $append->params({infile => "uac.hk[1][col #EXTNAME='GRASPCORR']",
				 outfile => $corrfile})
		->run();
	} else {
	    # rename the grism aspect corrections and update EXTNAME
	    if (rename('uac.hk', $corrfile)) {
		my $tmp = Util::FITSfile->new($corrfile, 1);
		$tmp->keyword('EXTNAME', 'GRASPCORR');
	    } else {
		$log->(1, "unable to rename grism aspect corrections to $corrfile: $!");
	    }
	}
    } else {
	$log->error(1, "uvotgraspcorr output file uac.hk does not exist");
    }

} # end of apply_uvot_grasp_corr