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
|
#!/usr/local/bin/perl56
# (C) Copyright 2005- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
use lib qw(blib/lib blib/arch);
use GRIB::API;
use GRIB::API::Tie;
use GRIB::API::Debug;
use Data::Dumper;
use IO::Handle;
open(IN,"<data.grib");
while(my $x = GRIB::API->new(\*IN))
{
my @x = $x->get_keys("mars");
print "@x\n";
}
__END__
autoflush STDOUT 1;
unless( -f "data.grib")
{
open(MARS,"|mars");
print MARS "ret,tar=data.grib,level=500,grid=5/5,area=e\n";
close(MARS);
}
#GRIB::API::debug();
{
print Dumper($x->get_long("date"));
print Dumper($x->get_long("foo"));
print Dumper($x->get_double("class"));
print Dumper($x->get_string("class"));
print Dumper($x->get_string("expver"));
print "set ", Dumper($x->set_long("date",20050101));
print Dumper($x->get_long("date"));
$x->set_string("class","rd") or die;
$x->set_string("klass","rd") or warn;
print Dumper($x->get_string("class"));
my $class = "xxxx";
print Dumper([$class=$x->get_bytes("expver"),$class]);
my $class = "xxxx";
print Dumper([$class=$x->get_bytes("expver"),$class]);
$class = pack "L" , 0x41414141;
print Dumper([$class]);
$x->set_bytes("expver",$class) or warn;
print Dumper($x->get_string("expver"));
print Dumper($x->get_size("values"));
my @x = $x->get_double_array("values");
print scalar(@x),"\n";
my $t = $x->get_double_array("values");
print ref($t),"\n";
if(1) {
foreach my $t ( @x ) { $t *= 2; }
$x->set_double_array("values",\@x) or die;
my @y = $x->get_double_array("values");
my $i = 0;
foreach my $t ( @x )
{
my $x = ($t - $y[$i])/($t?$t:1);
$x = -$x if($x<0);
die "$t $y[$i] $x" if($x > 1e6);
$i++;
}
}
my $i = $x->iterator();
print "iterator $i\n";
if($i)
{
while( ($lat,$lon,$value) = $i->next())
{
print "($lat,$lon,$value)\n";
}
}
@x = $x->get_keys();
print Dumper(\@x);
open(OUT,">foo");
$x->Write(\*OUT);
close(OUT);
my %x;
tie %x, "GRIB::API::Tie",$x;
print "--- ",$x{class},"\n";
$x{class} = "e4";
print "--- ",$x{class},"\n";
$x{class} = 1;
print "--- ",$x{class},"\n";
foreach my $z ( keys %x )
{
print "$z = [$x{$z}]\n" ;
print " size=[", $x->get_size($z),"] type=[", $x->get_type($z), "] class=[" , $x->get_accessor_class($z), "]\n";
;#unless($z =~ /grib(\w+)?section_?\d/i);
}
$r = $x->get("values");
print $r,"\n";
$r = undef;
print Dumper(\%x);
my $y= GRIB::API::create("GRIB\0\0\0\1" . "\0" x 400000);
my %y;
tie %y, "GRIB::API::Tie",$y;
#%y = %x;
# print Dumper(\%y);
}
|
