/usr/lib/x86_64-linux-gnu/perl5/5.20/Geo/Proj4.pm is in libgeo-proj4-perl 1.05-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 | # Copyrights 2014 by [Mark Overmeer].
# For other contributors see Changes.
# See the manual pages for details on the licensing terms.
# Pod stripped from pm file by OODoc 2.01.
package Geo::Proj4;
use vars '$VERSION';
$VERSION = '1.05';
use strict;
use warnings;
#our $VERSION = '0.96';
use base 'DynaLoader';
use Scalar::Util qw/dualvar/;
use Carp qw/croak/;
# The library definitions
bootstrap Geo::Proj4; # $VERSION;
my $last_error;
sub new($@)
{ my $class = shift;
my $def;
if(@_==1)
{ $def = shift;
}
else
{ my @args;
while(@_)
{ my ($key, $val) = (shift, shift);
push @args, "+$key".(defined $val ? "=$val" : '');
}
$def = join ' ', @args;
}
my ($self, $error, $errtxt) = new_proj4($def);
defined $self
or $last_error = dualvar($error, $errtxt);
$self;
}
#--------------
sub error() { $last_error }
sub normalized()
{ my $norm = normalized_proj4(shift);
$norm =~ s/^\s+//;
$norm;
}
sub datum()
{ my $norm = shift->normalized;
$norm =~ m/\+datum\=(w+)/ ? $1 : undef;
}
sub projection()
{ my $norm = shift->normalized;
$norm =~ m/\+proj\=(\w+)/ ? $1 : undef;
}
sub dump() { dump_proj4(shift) }
sub isLatlong() { is_latlong_proj4(shift) }
sub isGeodesic() { is_latlong_proj4(shift) }
sub isGeocentric() { is_geocentric_proj4(shift) }
sub hasInverse() { has_inverse_proj4(shift) }
#--------------
sub forward($$)
{ my ($self, $lat, $long) = @_;
forward_degrees_proj4($self, $lat, $long);
}
sub forwardRad($$)
{ my ($self, $lat, $long) = @_;
forward_proj4($self, $lat, $long);
}
sub inverse($$) { inverse_degrees_proj4(@_) }
sub inverseRad($$) { inverse_proj4(@_) }
sub transform($$)
{ my ($self, $to, $points) = @_;
ref $points eq 'ARRAY'
or croak "ERROR: transform() expects array of points";
my ($err, $errtxt, $pr);
if(ref($points->[0]) eq 'ARRAY')
{ ($err, $errtxt, $pr) = transform_proj4($self, $to, $points, 1);
}
else
{ ($err, $errtxt, $pr) = transform_proj4($self, $to, [$points], 1);
$pr = $pr->[0] if $pr;
}
$last_error = dualvar $err, $errtxt;
$err ? () : $pr;
}
sub transformRad($$)
{ my ($self, $to, $points) = @_;
ref $points eq 'ARRAY'
or croak "ERROR: transformRad() expects array of points";
my ($err, $errtxt, $pr);
if(ref($points->[0]) eq 'ARRAY')
{ ($err, $errtxt, $pr) = transform_proj4($self, $to, $points, 0);
}
else
{ ($err, $errtxt, $pr) = transform_proj4($self, $to, [$points], 0);
$pr = $pr->[0] if $pr;
}
$last_error = dualvar $err, $errtxt;
$err ? () : $pr;
}
sub AUTOLOAD(@)
{ our $AUTOLOAD;
die "$AUTOLOAD not implemented";
}
#--------------
sub libVersion()
{ my $version = libproj_version_proj4();
$version =~ s/./$&./g;
$version;
}
sub listTypes() { &def_types_proj4 }
sub typeInfo($)
{ my $label = $_[1];
my %def = (id => $label);
my($descr) = type_proj4($label);
$def{has_inverse} = not ($descr =~ s/(?:\,?\s+no\s+inv\.?)//);
$def{description} = $descr;
\%def;
}
sub listEllipsoids() { &def_ellps_proj4 }
sub ellipsoidInfo($)
{ my $label = $_[1];
my %def = (id => $label);
@def{ qw/major ell name/ } = ellps_proj4($label);
\%def;
}
sub listUnits() { &def_units_proj4 }
sub unitInfo($)
{ my $label = $_[1];
my %def = (id => $label);
@def{ qw/to_meter name/ } = unit_proj4($label);
$def{to_meter} =~ s!^1\.?/(.*)!1/$1!e; # 1/2 -> 0.5
\%def;
}
sub listDatums() { &def_datums_proj4 }
sub datumInfo($)
{ my $label = $_[1];
my %def = (id => $label);
@def{ qw/ellipse_id definition comments/ } = datum_proj4($label);
\%def;
}
#--------------
# more text in PODTAIL.txt
1;
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