Subs::ExtractTiming (version 0.0)


package Subs::ExtractTiming;
##############################################################################
#
# DESCRIPTION: 
#
# HISTORY: 
# HISTORY: $Log: ExtractTiming.pm,v $
# HISTORY: Revision 1.12  2005/03/15 20:02:59  apsop
# HISTORY: Fix bug in call for getting sc eng hk file name. Remove columns for which UTCF value is set to zero.
# HISTORY:
# HISTORY: Revision 1.12  2005/03/15 19:03:26  apsop
# HISTORY: Check for presence of xrt no position message when making tdrss cat file.
# HISTORY:
# HISTORY: Revision 1.11  2004/11/02 21:17:49  apsop
# HISTORY: Write DATE keyword into timing file.
# HISTORY:
# HISTORY: Revision 1.10  2004/10/25 14:50:01  apsop
# HISTORY: Write standard timing keywords into timing file.
# HISTORY:
# HISTORY: Revision 1.9  2004/08/13 15:41:06  apsop
# HISTORY: Fix to algorithm for thinning time info extensions.
# HISTORY:
# HISTORY: Revision 1.8  2004/07/23 19:50:10  apsop
# HISTORY: Increase allowed string length for deleting rows to 511.
# HISTORY:
# HISTORY: Revision 1.7  2004/07/19 16:00:37  apsop
# HISTORY: Check if string for deleting rows in timing file is too long.
# HISTORY:
# HISTORY: Revision 1.6  2004/07/11 20:39:38  apsop
# HISTORY: Lots of changes to account for bugs in first version
# HISTORY:
# HISTORY: Revision 1.5  2004/06/11 19:51:08  apsop
# HISTORY: Handle case where there are 3 or less attitude entries
# HISTORY:
# HISTORY: Revision 1.4  2004/06/08 00:08:20  apsop
# HISTORY: Fix for handling case with no attitude info.
# HISTORY:
# HISTORY: Revision 1.3  2004/06/07 17:01:27  apsop
# HISTORY: Use ftmerge over fmerge, cause it does not have a file number limit.
# HISTORY:
# HISTORY: Revision 1.2  2004/05/28 19:40:57  apsop
# HISTORY: Bug fixes and enhancement to make first working version
# HISTORY:
# HISTORY: Revision 1.1  2004/05/06 20:02:25  dah
# HISTORY: New module to extract timing info (like UTCF) from the telemetry.
# HISTORY:
# HISTORY:
#
# VERSION: 0.0
#
#
##############################################################################

use Subs::Sub;

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

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

    $self->{DESCRIPTION}="Extracting Timing Information from Telemetry";

    return $self;
}

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

sub body {
    my $self=shift;

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

    ########################################################
    # Extract UTC adjustment parameters from the hk data
    ########################################################
    my $params_tmp = 'utcf_params.tmp';
    my $tmp_file = 'time_files.tmp';

    my $schk = $filename->get('scenhk', 'swift', '', 0);

    if( -f $schk ){
      my $specs = "[col EXTNAME='UTCF_PARAMS'; " .
	           'TIME; ENABLED_A = (INT)(SUDLUPSTAT1_A/2**14)%2==1;' .
		     'ENABLED_B = (INT)(SUDLUPSTAT1_B/2**14)%2==1;' .
		       'DIRECTION_A = (INT)(SUDLUPSTAT1_A/2**13)%2==1;' .
			 'DIRECTION_B = (INT)(SUDLUPSTAT1_B/2**13)%2==1;' .
			   ' INTERVAL == SUDLADJINTCNT]';

      my $fstruct = Util::Ftool->new("fstruct")
	                       ->verbose(1)
                               ->params({infile  => $schk,
					 outfile => 'STDOUT',
					 colinfo => 'no'})
                               ->run();

      my @hdus = $fstruct->stdout() =~ /(hk00[\d,a-c]x00\d)/gs;

      if(@hdus){
	open TMP, ">$tmp_file";
	foreach (@hdus){
	  print TMP $schk . "\[$_\]" . $specs, "\n";
	}
	close TMP;

	$log->entry('Extract utcf parameters from house keeping: '. join(' ',@hdus));

	Util::HEAdas->new('ftmerge')
	            ->params({infile => '@'.$tmp_file,
			      outfile => $params_tmp})
		    ->run();

	unlink $tmp_file;
      }
    }

    ##############################################################
    # Extract the value of UTCF as a function of MET from LPD and
    # teriary header files
    ##############################################################

    my $extract = Util::Tool->new($procpar->read('fitspackets'), 'extract_utcf');
    my $i = 0;
    my $utcf_file = $filename->get('timedata', 'swift', '', 0);

    open TMP, ">$tmp_file";
    my @cpio_apid = (299, 417, 481, 484, 568, 570);
    foreach my $tel_file ( $filename->get('telemetry', '*', 'ldp', '*'), 
			   $filename->get('telemetry', '*', 'head3', '*') ){

      my ($inst, $mode, $apid) = $filename->parse($tel_file, 'telemetry');
      next if grep $_==$apid, @cpio_apid;

      my $tmp_utcf = 'utcf_' . ++$i . '.tmp';

      $log->entry("Extracting UTCF values from file $tel_file.");

      $extract->command_line("-infile $tel_file",
			     "-apid_list /aps/lists/swift_apids.list",
			     "-outfile $tmp_utcf")
              ->run();

      print TMP $tmp_utcf."[1][UTCF > 1E-9]\n"  unless $extract->had_error();
    }
    close TMP;

    if($i){
      Util::HEAdas->new('ftmerge')
	          ->params({infile => '@'.$tmp_file,
			    outfile => $utcf_file})
		  ->run();
      unlink glob('utcf_[0-9]*.tmp'), $tmp_file;

      if( -f $params_tmp ){
	$log->entry('Appending utcf parameters extension to timing file.');

	Util::FITSfile->new($params_tmp, 'UTCF_PARAMS')
	              ->append_to($utcf_file);
	unlink $params_tmp;
      }

      ######################################################################
      # Trim the tables so that only the rows where changes occur are kept.
      # Always keep the first and last row.
      ######################################################################
    
      my $now = Util::Date->new();
      my $Tnow = $now->date() .'T'. $now->time();
      my $utcf_fits = Util::FITSfile->new($utcf_file, 0);
      $utcf_fits->keyword('DATE', $Tnow);

      $utcf_fits->ext(1);
      my @redundant;
      my $delrow = Util::HEAdas->new('ftdelrow')
                               ->params({outfile => 'none',
					 confirm => 'yes',
					 chatter => 0});

      $utcf_fits->begin_many_keywords();
      $utcf_fits->keyword('DATE', $Tnow);
      $utcf_fits->keyword('EXTNAME', 'UTCF');
      $utcf_fits->keyword('TIMESYS', 'TT', 'time measured from');
      $utcf_fits->keyword('MJDREFI', 51910, 'MJD reference day');
      $utcf_fits->keyword('MJDREFF', 7.428703700000000E-04, 
			  'MJD reference (fraction of day)');
      $utcf_fits->keyword('CLOCKAPP', 'F', 'default');
      $utcf_fits->keyword('TIMEUNIT', 's', 'unit for time keywords');

      my $irow;
      my $nrows = $utcf_fits->nrows()-1;
      if($nrows>1){
	$utcf_fits->cols('TIME')->sort();
	my @utcf_val = $utcf_fits->cols('UTCF')->table();

	for($irow=1; $irow < $nrows; $irow++){
	  push (@redundant, $irow+1)
	    if ($utcf_val[$irow]==$utcf_val[$irow-1] && $utcf_val[$irow]==$utcf_val[$irow+1]);
	}

	if(@redundant){
	  my $line = shift @redundant;
	  my $last = $line;
	  foreach $irow (@redundant){
	    $line .= "-$last,$irow" 
	      if $last+1!=$irow;
	    $last = $irow;
	  }
	  $line .= '-'. $redundant[-1] if @redundant;

	  if( length($line) < 511 ){
	    $log->entry("Deleting redundant rows $line from UTCF extension.");

	    $delrow->params({infile => $utcf_fits->fullname(),
			     rows => $line})
	           ->run();
	  }else{
	    $log->entry('String for deleting rows from UTCF extension too long (' .
			 length($line) . '). No rows will be deleted.');
	  }
	}
	my @time_val = $utcf_fits->cols('TIME')->table();
	$utcf_fits->keyword('TSTART', $time_val[0]);
	$utcf_fits->keyword('TSTOP', $time_val[-1]);
	$utcf_fits->end_many_keywords();
      }

      if( $utcf_fits->nhdus() > 2 ){
	$utcf_fits->ext(2);

	$utcf_fits->begin_many_keywords();
	$utcf_fits->keyword('DATE', $Tnow);
	$utcf_fits->keyword('TIMESYS', 'TT', 'time measured from');
	$utcf_fits->keyword('MJDREFI', 51910, 'MJD reference day');
	$utcf_fits->keyword('MJDREFF', 7.428703700000000E-04, 
			    'MJD reference (fraction of day)');
	$utcf_fits->keyword('CLOCKAPP', 'F', 'default');
	$utcf_fits->keyword('TIMEUNIT', 's', 'unit for time keywords');

	##########################################################################
	# The TSCALE keyword results in the wrong format for the INTERVAL column
	# so delete it if it has the default value
	##########################################################################
	my $tscal2 = $utcf_fits->keyword('TSCAL2');
	if( $tscal2 && $tscal2 == 1 ){
	  Util::HEAdas->new('fthedit')
	              ->params({infile => $utcf_fits->fullname(),
				keyword => 'TSCAL2',
				operation => 'delete'})
		      ->run();
	}

	$nrows = $utcf_fits->nrows()-1;
	if($nrows>1){
	  $utcf_fits->cols('TIME')->sort();
	  my @interval = $utcf_fits->cols('INTERVAL')->table();
	  my @enable_a = $utcf_fits->cols('ENABLED_A')->table();
	  my @enable_b = $utcf_fits->cols('ENABLED_B')->table();
	  my @direct_a = $utcf_fits->cols('DIRECTION_A')->table();
	  my @direct_b = $utcf_fits->cols('DIRECTION_B')->table();

	  @redundant = ();
	  for($irow=1; $irow < $nrows; $irow++){
	    push (@redundant, $irow+1)
	      if( $interval[$irow]==$interval[$irow-1]   &&
		  $interval[$irow]==$interval[$irow+1]   &&
		  $enable_a[$irow] eq $enable_a[$irow-1] &&
		  $enable_b[$irow] eq $enable_b[$irow-1] &&
		  $direct_a[$irow] eq $direct_a[$irow-1] &&
		  $direct_b[$irow] eq $direct_b[$irow-1] );
	  }
	
	  if(@redundant){
	    my $line = shift @redundant;
	    my $last = $line;
	    foreach $irow (@redundant){
	      $line .= "-$last,$irow" 
		if $last+1!=$irow;
	      $last = $irow;
	    }
	    $line .= '-'. $redundant[-1] if @redundant;
      
	    if( length($line) < 511 ){
	      $log->entry("Deleting redundant rows $line from UTCF_PARAMS extension.");

	      $delrow->params({infile => $utcf_fits->fullname(),
			       rows => $line})
		     ->run();
	    }else{
	      $log->entry('String for deleting rows from UTCF_PARAMS extension too long (' .
			   length($line) . ').  No rows will be deleted.');
	    }
	  }
	}
	my @time_val = $utcf_fits->cols('TIME')->table();
	$utcf_fits->keyword('TSTART', $time_val[0]);
	$utcf_fits->keyword('TSTOP', $time_val[-1]);
	$utcf_fits->end_many_keywords();
      }
    }else{
      unlink $params_tmp if -f $params_tmp;
      unlink $tmp_file if -f $tmp_file;
    }
}

1;