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driveGnuplot can make hardcopies

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Ignore-this: 977b3fbc29030371c121450c8095f7ef

darcs-hash:20090804230357-0cb85-2fb14bffc9b4f35a82e03a89c4b465b35f93e7d7.gz
This commit is contained in:
Dima Kogan 2009-08-04 16:03:57 -07:00
parent dec8b6cac6
commit a8bb73ec90
1 changed files with 52 additions and 1 deletions
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53
driveGnuPlots.pl
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@ -1,6 +1,7 @@
#!/usr/bin/perl -w
use strict;
use Getopt::Long;
use Time::HiRes qw( usleep );
use Data::Dumper;
# stream in the data by default
@ -18,7 +19,8 @@ GetOptions(\%options,
"title=s",
"y2min=f",
"y2max=f",
"y2=i@");
"y2=i@",
"hardcopy=s");
# set up plotting style
my $style = "";
@ -47,6 +49,7 @@ also
--y2min xxx Set the range for the y2 axis. Both or neither of these have to be specified
--y2max xxx Set the range for the y2 axis. Both or neither of these have to be specified
--y2 xxx Plot the data with this index on the y2 axis. These are 0-indexed
--hardcopy xxx If not streaming, output to a file specified here. Format inferred from filename
OEF
}
@ -66,6 +69,10 @@ sub main {
usage;
die("Both or neither of y2min,y2max should be specified\n");
}
if( defined $options{"hardcopy"} && $options{"stream"} )
{
die("If making a hardcopy, we shouldn't be streaming. Doing nothing\n");
}
my $argIdx = 0;
my $numberOfStreams = Arg($argIdx++);
@ -88,6 +95,30 @@ sub main {
open PIPE, "|gnuplot" || die "Can't initialize gnuplot\n";
select((select(PIPE), $| = 1)[0]);
my $temphardcopyfile;
my $outputfile;
my $outputfileType;
if( defined $options{"hardcopy"})
{
$outputfile = $options{"hardcopy"};
($outputfileType) = $outputfile =~ /\.(ps|pdf|png)$/;
if(!$outputfileType) { die("Only .ps, .pdf and .png supported\n"); }
if ($outputfileType eq "png")
{
print PIPE "set terminal png\n";
}
else
{
print PIPE "set terminal postscript solid color landscape 10\n";
}
# write to a temporary file first
$temphardcopyfile = $outputfile;
$temphardcopyfile =~ s{/}{_}g;
$temphardcopyfile = "/tmp/$temphardcopyfile";
print PIPE "set output \"$temphardcopyfile\"\n";
}
print PIPE "set xtics\n";
print PIPE "set ytics\n";
print PIPE "set y2tics\n";
@ -147,6 +178,26 @@ sub main {
{
$samples = @{$buffers[0]};
plotStoredData($xlast, $samples, $numberOfStreams, *PIPE, \@buffers, \@extraopts);
if( defined $options{"hardcopy"})
{
print PIPE "set output\n";
# sleep until the plot file exists, and it is closed. Sometimes the output is
# still being written at this point
usleep(100_000) until -e $temphardcopyfile;
usleep(100_000) until(system("fuser -s $temphardcopyfile"));
if($outputfileType eq "pdf")
{
system("ps2pdf $temphardcopyfile $outputfile");
}
else
{
system("mv $temphardcopyfile $outputfile");
}
printf "Wrote output to $outputfile\n";
return;
}
}
sleep 100000;
}