#!/usr/bin/perl 

#
# Give the directory with the JEG results, and it 
# extracts the 1.3 airmass results, putting them
# into the filter format used.
#

@bands=("J","H","Ks");
$twomassdir="twomass";
$i=0;
foreach $band (@bands) {
	print "$twomassdir/sec6_4a.tbl$i.html\n";
	
	open(ifp,"$twomassdir/sec6_4a.tbl$i.html");
	$nlines=0;
	while(<ifp>) {
		chomp;
		split;
		if($_[0]>0) {
			$nlines++;	
		}
	}
	
	open(ofp,">./twomass_$band.par");
	open(ifp,"twomassheader");
	while(<ifp>) {
		s/\[SPECIFY\]/$band/g;	
		print ofp;
	}
	close(ifp);
	print ofp "\ntypedef struct {\n";
	print ofp "  double lambda;\n";
	print ofp "  double pass;\n";
	print ofp "} KFILTER;\n\n";
	open(ifp,"$twomassdir/${band}total.html");
	while(<ifp>) {
		$line=$_;
		chomp;
		split;
		if($_[0]>0) {
			chomp;
			split;
			$lambda=$_[1]*10000.;
			$response=$_[2];
			printf ofp "KFILTER %e %e\n",$lambda,$response;
		} 
	}
	close(ifp);
	close(ofp);
  $i++;
}