stable colors, line in legend, two line x tick timestamp

diff --git a/lib/MojoFacets/Gnuplot.pm b/lib/MojoFacets/Gnuplot.pm
index eebf68c..57dd423 100644 (file)
--- a/lib/MojoFacets/Gnuplot.pm
+++ b/lib/MojoFacets/Gnuplot.pm
@@ -35,6 +35,9 @@ sub index {
 
                my $timefmt = $self->param('timefmt');
 
+               my $timefmt_x = $timefmt;
+               $timefmt_x =~ s/[ T]%H/\\n%H/;
+
                my $spaces = $timefmt;
                $spaces =~ s/\S//g;
                $spaces = length( $spaces );
@@ -44,13 +47,17 @@ sub index {
                        my $title = $columns->[$_];
                        next if $hide_columns->{$title};
                        $title =~ s/_/ /g;
+                       next if $hide_columns->{ $title };
+
                        my $n = $_ + 1 + $spaces;
-                       push @plot, qq|"$dir/$url" using 1:$n title "$title" with $with| unless $hide_columns->{ $title };
+                       push @plot, qq|"$dir/$url" using 1:$n notitle with $with lc $_|,
+                                               qq|NaN lc $_ title "$title" with lines|
+                       ;
                }
 
                my $g = qq|
 
-set terminal png
+set terminal png size 1000,400
 set output '$dir/$url.png'
 
                |;
@@ -60,7 +67,8 @@ set output '$dir/$url.png'
 
 set xdata time
 set timefmt "$timefmt"
-set format x "$timefmt"
+#set format x "$timefmt"
+set format x "$timefmt_x"
 
                        |;
                }