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* Graph/axestype.pm: #11

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* Graph/axestype.pm: #11

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4 changes: 2 additions & 2 deletions Graph/axestype.pm
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -619,7 +619,7 @@ sub setup_x_step_size_v
($s->{true_x_min} - $s->{x_min}) * $delta + $s->{left};
$s->{x_step} =
($s->{true_x_max} - $s->{true_x_min}) *
$delta/($s->{_data}->num_points - 1);
$delta/($s->{_data}->num_points + 1);
}
}
else
Expand Down Expand Up @@ -650,7 +650,7 @@ sub setup_x_step_size_h
($s->{true_x_min} - $s->{x_min}) * $delta + $s->{top};
$s->{x_step} =
($s->{true_x_max} - $s->{true_x_min}) *
$delta/($s->{_data}->num_points - 1);
$delta/($s->{_data}->num_points + 1);
}
}
else
Expand Down
49 changes: 49 additions & 0 deletions samples/sample56c.pl
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Original file line number Diff line number Diff line change
@@ -0,0 +1,49 @@
use GD::Graph::lines;
require 'save.pl';

# Test "x_tick_number => 'auto'" without a numeric range. This particular case
# used to draw off the right edge of the data area. -- rgr, 18-May-16.

print STDERR "Processing sample56c (experimental)\n";

my $path = $ENV{GDGRAPH_SAMPLES_PATH} ? $ENV{GDGRAPH_SAMPLES_PATH} : '';
my $data = [ ['0', '2', '4', '6.25', '8', '10', '12', '14'],
['432.318842651988', '446.217819254983', '723.746891012408',
'598.379509269257', undef, '265.615817796314',
'471.286904550713', '492.229626240883'],
['13485.2274536207', '10957.7888732859', '11508.8740865655',
'10904.206172456', undef, '12383.6613029203',
'11969.5663825213', '10364.6735122806'],
['96570.0967171216', '87353.7950170576', '96274.433424145',
'97911.3638330277', undef, '95467.382370267',
'98499.4608101706', '82889.9385557332'],
['110487.643013394', '98757.8017095985', '108507.054401723',
'109413.949514753', undef, '108116.659490984',
'110940.314097243', '93746.8416942547']
];

$my_graph = new GD::Graph::lines();

$my_graph->set(
title => 'Non-numerical X axis',
x_label => 'Time (hours)',
y_label => 'Mass units',
skip_undef => 1,

x_tick_number => 'auto',
x_ticks => 1,
x_tick_length => -4,

line_width => 2,
x_label_position => 1/2,
r_margin => 15,

transparent => 0,
);

$my_graph->set(legend_placement => 'RC');
$my_graph->set_legend(qw(344.16 702.75 358.18 Sum));
$my_graph->plot($data);
save_chart($my_graph);

1;