134 lines
3.4 KiB
Perl
Executable File
134 lines
3.4 KiB
Perl
Executable File
#!/usr/bin/perl
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=head1 NAME
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tsplotv - plot time series given in vertical format
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=head1 SYNOPSIS
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tsplotv
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[--finalresolution dpi]
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[--legend-position pos]
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[--log-y]
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[--output-format format ]
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[--stacked]
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[--style style]
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[--time_t]
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[--colors rgb-list]
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[--configfile yaml]
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[--yrange min:max]
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[file ...]
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=head1 DESCRIPTION
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This program expects time series data in vertical format, I.e.,
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each line contains a tab-separated tripel <time, series, value>.
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The default legend position is "top right", same as with gnuplot.
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Another frequently useful position (especially if you have lots of series)
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is "below". Note that positions which consist of several words (such as
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"top right" need to be passed to tsplotv as a single argument, so the
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space needs to be hidden from the shell by use of quotes or a backslash.
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The default output format is "png", the default style is "lines".
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See L<TimeSeries> for a description of possible legend positions,
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output formats, and styles.
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The --stacked option causes the time series to be stacked on top of each
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other.
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=cut
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use v5.20;
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use warnings;
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use experimental qw(postderef);
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use TimeSeries;
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use Getopt::Long;
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use Pod::Usage;
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use YAML qw(LoadFile);
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my $help;
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my $legend_position = 'top right';
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my $output_format = 'png';
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my $stacked = 0;
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my $style = "lines";
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my $log_y = 0;
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my $finalresolution;
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my $time_t = 0;
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my $colors;
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my $configfile;
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my $yrange;
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GetOptions('help|?' => \$help,
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'legend_position|legend-position=s' => \$legend_position,
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'output_format|output-format=s' => \$output_format,
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'stacked' => \$stacked,
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'style:s' => \$style,
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'log_y|log-y' => \$log_y,
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'finalresolution=i' => \$finalresolution,
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'time_t' => \$time_t,
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'colors=s' => \$colors,
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'configfile=s' => \$configfile,
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'yrange=s' => \$yrange,
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) or pod2usage(2);
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pod2usage(1) if $help;
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my $config = LoadFile($configfile) if $configfile;
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binmode STDOUT, ':raw';
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my $ns = 0;
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my %data;
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$config->{timeseries} //= {};
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for (keys $config->{timeseries}->%*) {
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$ns = $config->{timeseries}{$_}{order} if ($config->{timeseries}{$_}{order} // 0) > $ns;
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}
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while (<>) {
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chomp;
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my ($timestamp, $series, $value) = split(/\t/);
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$config->{timeseries}{$series}{order} = ++$ns unless ($config->{timeseries}{$series}{order});
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$data{$timestamp}{$series} = $value;
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}
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my @series = sort { $config->{timeseries}{$a}{order} <=> $config->{timeseries}{$b}{order} }
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keys $config->{timeseries}->%*;
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if ($colors) {
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my @colors = split(/,/, $colors);
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while (my ($i, $c) = each(@colors)) {
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$config->{timeseries}{$series[$i]}{color} = $c;
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}
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}
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my $ts = TimeSeries->new(output_format => $output_format);
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$ts->legend(@series);
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$ts->legend_position($legend_position);
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$ts->stacked($stacked);
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$ts->style($style);
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$ts->log_y($log_y);
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$ts->finalresolution($finalresolution) if $finalresolution;
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$ts->colors(map $config->{timeseries}{$_}{color}, @series);
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if ($yrange) {
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$yrange =~s /^\[(.*)\]$/$1/; # remove optional brackets
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my ($min, $max) = $yrange =~ /^(\*|[-+0-9E.]+):(\*|[-+0-9E.]+)$/;
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$ts->yrange($min, $max);
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}
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for my $timestamp (sort keys %data) {
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my %d = %{$data{$timestamp}};
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my @values = @d{@series};
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if ($time_t) {
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$ts->add($timestamp, @values);
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} else {
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$ts->add_timestring($timestamp, @values);
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}
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}
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my $g = $ts->plot();
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print $g
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