| File | /wise/base/deliv/dev/lib/perl/WISE/FITSIO/Utils.pm | Statements Executed | 30 | Total Time | 0.002984 seconds |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine | |
|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | AUTOLOAD |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | BEGIN |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | DESTROY |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | __ANON__[:34] |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | new |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | nxpix |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | nypix |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | pix2wcs |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | wcs2pix |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | xref |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | xscale |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | yref |
| 0 | 0 | 0 | 0 | 0 | WISE::WCS:: | yscale |
| Line | Stmts. | Exclusive Time | Avg. | Code |
|---|---|---|---|---|
| 1 | ||||
| 2 | 3 | 6.2e-5 | 2.1e-5 | use strict; # spent 43µs making 1 call to strict::import |
| 3 | 3 | 2.6e-5 | 8.7e-6 | use warnings; # spent 28µs making 1 call to warnings::import |
| 4 | 6 | 0.00011 | 1.9e-5 | use 5.010; # spent 36µs making 1 call to feature::import |
| 5 | ||||
| 6 | 3 | 4.6e-5 | 1.5e-5 | use WISE::Env (cfglib=>'/wise/base/deliv/dev/lib/perl'); # spent 541µs making 1 call to WISE::Env::import |
| 7 | ||||
| 8 | # Misc utility FITS-based objects | |||
| 9 | ||||
| 10 | package WISE::WCS; | |||
| 11 | ||||
| 12 | # Lightweight WCS package that by-passes the WISE::FITSIO overhead | |||
| 13 | ||||
| 14 | 3 | 3.3e-5 | 1.1e-5 | use Astro::FITS::CFITSIO qw(:constants); # spent 1.90ms making 1 call to Exporter::import |
| 15 | 3 | 0.00136 | 0.00045 | use Astro::WCS::LibWCS; # spent 66µs making 1 call to Exporter::import |
| 16 | ||||
| 17 | 3 | 2.9e-5 | 9.7e-6 | use vars qw(@ISA @EXPORT @EXPORT_OK $VERSION $AUTOLOAD); # spent 80µs making 1 call to vars::import |
| 18 | 3 | 0.00130 | 0.00043 | use Exporter::Lite; # spent 50µs making 1 call to Exporter::Lite::import |
| 19 | 1 | 1.0e-6 | 1.0e-6 | $VERSION = 1.00; |
| 20 | 1 | 2.0e-6 | 2.0e-6 | @ISA = qw(); |
| 21 | ||||
| 22 | sub AUTOLOAD {} | |||
| 23 | ||||
| 24 | sub new { | |||
| 25 | my $this = shift; | |||
| 26 | my $hdr = shift; | |||
| 27 | my $opts = shift || {}; | |||
| 28 | my $err = "*** $0/WCS/new"; | |||
| 29 | warn("$err: No input header specified.\n"), return if ! $hdr; | |||
| 30 | my $class = ref($this) || $this; | |||
| 31 | ||||
| 32 | $this = {}; | |||
| 33 | ||||
| 34 | my $yell = $this->{yell} = $opts->{warn} ? sub{warn @_} : sub{die @_}; | |||
| 35 | ||||
| 36 | if(! ref $hdr) { | |||
| 37 | my $file; | |||
| 38 | if(length($hdr) < 2880 || (length($hdr)%2880) != 0) { | |||
| 39 | # Assume a WCS-laden FITS image file name was passed | |||
| 40 | $file = $hdr; | |||
| 41 | my ($stat,$nhdr,$fp); | |||
| 42 | Astro::FITS::CFITSIO::ffopen($fp="",$file,READONLY,$stat=0); | |||
| 43 | $yell->("$err: Unable to open file '$file'; Stat=$stat.\n"), return | |||
| 44 | if ! $fp || $stat; | |||
| 45 | Astro::FITS::CFITSIO::fits_hdr2str($fp,1,$hdr="",$nhdr=0,$stat); | |||
| 46 | $yell->("$err: Unable retrieve from file '$file' (1)". | |||
| 47 | "; Stat=$stat.\n"), return | |||
| 48 | if ! $hdr || $stat; | |||
| 49 | ffclos($fp,$stat); | |||
| 50 | } else { | |||
| 51 | $file = "<STRING>"; | |||
| 52 | } | |||
| 53 | $this->{hdrstr} = $hdr; | |||
| 54 | $this->{wcs} = Astro::WCS::LibWCS::wcsinit($hdr); | |||
| 55 | $yell->("$err: Unable to init WCS from file '$file' (1).\n"), return | |||
| 56 | if ! $this->{wcs}; | |||
| 57 | } elsif(ref($hdr) =~ /fitsio/i) { | |||
| 58 | # It's a fitsio object, so get the header string | |||
| 59 | my $file = $hdr->file(); | |||
| 60 | my $hdr2 = $hdr->hdrstr() or | |||
| 61 | $yell->("$err: Unable to retrieve header from '$file' (2).\n"), | |||
| 62 | return; | |||
| 63 | $hdr = $this->{hdrstr} = $hdr2; | |||
| 64 | $this->{wcs} = Astro::WCS::LibWCS::wcsinit($hdr); | |||
| 65 | $yell->("$err: Unable to init WCS from file '$file' (2).\n"), return | |||
| 66 | if ! $this->{wcs}; | |||
| 67 | } else { | |||
| 68 | # Assume WCS keyword values passed directly (bypassing header i/o) | |||
| 69 | # as a hash ref | |||
| 70 | my $nx = $hdr->{nxpix} || $hdr->{npix}; | |||
| 71 | my $ny = $hdr->{nypix} || $nx; | |||
| 72 | $this->{wcs} = Astro::WCS::LibWCS::wcskinit | |||
| 73 | ($nx,$ny, | |||
| 74 | $hdr->{ctype1}||'RA---SIN-SIP', | |||
| 75 | $hdr->{ctype2}||'DEC--SIN-SIP', | |||
| 76 | $hdr->{crpix1}//$hdr->{crpix}//($nx/2+0.5), | |||
| 77 | $hdr->{crpix2}//$hdr->{crpix1}//$hdr->{crpix}//($ny/2+0.5), | |||
| 78 | $hdr->{crval1}//$hdr->{lon}//$hdr->{ra}, | |||
| 79 | $hdr->{crval2}//$hdr->{lat}//$hdr->{dec}, | |||
| 80 | $hdr->{cd}//undef, | |||
| 81 | $hdr->{cdelt1}||(-($hdr->{cdelt}||0)), | |||
| 82 | $hdr->{cdelt2}||(-($hdr->{cdelt1}||0))||$hdr->{cdelt}, | |||
| 83 | $hdr->{crota2}//$hdr->{crota}//(-($hdr->{pa}||0)), | |||
| 84 | $hdr->{equinox}||2000, | |||
| 85 | $hdr->{epoch}||0 | |||
| 86 | ); | |||
| 87 | $yell->("$err: Unable to init WCS from keywords: ", | |||
| 88 | join(", ", map {"$_=$hdr->{$_}"} keys %$hdr), | |||
| 89 | "\n"), return | |||
| 90 | if ! $this->{wcs}; | |||
| 91 | } | |||
| 92 | ||||
| 93 | return bless $this,$class; | |||
| 94 | } | |||
| 95 | ||||
| 96 | sub DESTROY { | |||
| 97 | $_[0]->wcsfree(); | |||
| 98 | } | |||
| 99 | ||||
| 100 | sub wcs2pix { | |||
| 101 | my $this = shift; | |||
| 102 | my $err = "*** $0/WCS/2pix"; | |||
| 103 | if(! ref $this) { | |||
| 104 | $this = $this->new(shift) or return; | |||
| 105 | } | |||
| 106 | my $yell = $this->{yell}; | |||
| 107 | $yell->("$err: Bad position count; ".@_." not >0 and even.\n"), return | |||
| 108 | if ! @_ || (@_%2) != 0; | |||
| 109 | my ($x,$y,$off); | |||
| 110 | my @out; | |||
| 111 | while(@_) { | |||
| 112 | $this->{wcs}->wcs2pix(shift(@_),shift(@_),$x,$y,$off); | |||
| 113 | push @out, ($x, $y); | |||
| 114 | } | |||
| 115 | return wantarray ? @out : \@out; | |||
| 116 | } | |||
| 117 | ||||
| 118 | sub pix2wcs { | |||
| 119 | my $this = shift; | |||
| 120 | my $err = "*** $0/WCS/2wcs"; | |||
| 121 | if(! ref $this) { | |||
| 122 | $this = $this->new(shift) or return; | |||
| 123 | } | |||
| 124 | my $yell = $this->{yell}; | |||
| 125 | $yell->("$err: Bad position count; ".@_." not >0 and even.\n"), return | |||
| 126 | if ! @_ || (@_%2) != 0; | |||
| 127 | my ($lon,$lat); | |||
| 128 | my @out; | |||
| 129 | while(@_) { | |||
| 130 | $this->{wcs}->pix2wcs(shift(@_),shift(@_),$lon,$lat); | |||
| 131 | push @out, ($lon,$lat); | |||
| 132 | } | |||
| 133 | return wantarray ? @out : \@out; | |||
| 134 | } | |||
| 135 | ||||
| 136 | sub xref { | |||
| 137 | my $this = shift; | |||
| 138 | return $this->{wcs}->xref(); | |||
| 139 | } | |||
| 140 | ||||
| 141 | sub yref { | |||
| 142 | my $this = shift; | |||
| 143 | return $this->{wcs}->yref(); | |||
| 144 | } | |||
| 145 | ||||
| 146 | sub xscale { | |||
| 147 | my $this = shift; | |||
| 148 | return $this->{wcs}->xinc(); | |||
| 149 | } | |||
| 150 | ||||
| 151 | sub yscale { | |||
| 152 | my $this = shift; | |||
| 153 | return $this->{wcs}->yinc(); | |||
| 154 | } | |||
| 155 | ||||
| 156 | sub nxpix { | |||
| 157 | my $this = shift; | |||
| 158 | return $this->{wcs}->nxpix(); | |||
| 159 | } | |||
| 160 | ||||
| 161 | sub nypix { | |||
| 162 | my $this = shift; | |||
| 163 | return $this->{wcs}->nypix(); | |||
| 164 | } | |||
| 165 | ||||
| 166 | 1 | 5.0e-6 | 5.0e-6 | 1; |