+sub plot_trace_shoot
+{
+ my $self=shift;
+ my $datastr;
+ for my $player_num (keys %{$self->{trace_shoot_data}})
+ {
+ $datastr.=$self->get_player($player_num)->{name}.':';
+ $datastr.= join ',',@{$self->{trace_shoot_data}{$player_num}};
+ $datastr.="\n";
+ }
+ chomp $datastr;
+ my $plotter;
+ open($plotter,"|./plot.py") or return;
+ print $plotter $datastr;
+ close $plotter;
+}
+