sample42.pl
上传用户:shbosideng
上传日期:2013-05-04
资源大小:1555k
文件大小:1k
- use GIFgraph::linespoints;
- print STDERR "Processing sample 4-2n";
- @data = read_data_from_csv("sample42.dat")
- or die "Cannot read data from sample42.dat";
- $my_graph = new GIFgraph::linespoints( );
- $my_graph->set(
- x_label => 'X Label',
- y_label => 'Y label',
- title => 'A Lines and Points Graph, reading a CSV file',
- y_max_value => 80,
- y_tick_number => 6,
- y_label_skip => 2,
- markers => [ 1, 5 ],
- );
- $my_graph->set_legend( 'data set 1', 'data set 2' );
- $my_graph->plot_to_gif( "sample42.gif", @data );
- exit;
- sub read_data_from_csv
- {
- my $fn = shift;
- my @d = ();
- open(ZZZ, $fn) || return ();
- while (<ZZZ>)
- {
- chomp;
- # you might want Text::CSV here
- my @row = split /,/;
- for (my $i = 0; $i <= $#row; $i++)
- {
- undef $row[$i] if ($row[$i] eq 'undef');
- push @{$d[$i]}, $row[$i];
- }
- }
- close (ZZZ);
- return @d;
- }