$xlegendpoint = ceil($i / $daypoint);
$nb_day = date("d", $current_date);
$x = ($xlegendpoint - $nb_day) * $daypoint;
$x_label = date("M", mktime(0, 0, 0, date("m") - 1, date("d"), date("Y")));
$image->setItemData($x, $x_label);
for ($j = 1; $j <= 11; $j++) {
$nb_day = date("t", mktime(0, 0, 0, date("m") - $j, date("d"), date("Y")));
$x -= $nb_day * $daypoint;
$x_label = date("M", mktime(0, 0, 0, date("m") - ($j + 1), date("d"), date("Y")));
$image->setItemData($x, $x_label);
}
break;
}
$image->enable("ItemData");
# Upper and lower indices and scale step
$image->setY($upper_limit + 0.0001, 0, ceil($upper_limit / 5));
#############################################################
# How many data values do we have:
# 24 hrs = 1440 min / collection interval ie.
# 1440 / 15 mins = 96 values
# I want to show legend only every 2 hours ie. 12 points
#############################################################
$image->paintXY();
# Axis legend
$image->paintScale("Time", "Number of licenses", "FF_FONT1");
# Graph color
$image->setGraphcolor(100, 100, 200);
$image->paintData();
################################################################################
# We will now draw a line that indicates the number of available licenses ie.
# at the top of the graph we will draw a solid line
# There may be holes in usage stats ie. only 1 or 3 licenses are
# used. We loop through the array. If there is no record we set
# the value to zero
###################################################################
for ($i = 0; $i <= $upper_limit; $i++) {
if (isset($data[$i])) {
$image->setData($i + 1, $data[$i]);
} else {
$image->setData($i + 1, 0);
}
$image->setItemData($i + 1, $i);
}
$image->enable("ItemData");
$image->setX($i + 1.0E-5, 0, ceil($upper_limit / 15));
# Upper and lower indices and scale step
$image->setY(max($data) + 1.0E-5, 0, (int) (100 * max($data) / 5) / 100);
#
$image->paintXY();
# Axis legend
$image->paintScale("Licenses used", "Time used in hours", 1);
# Graph color
$image->setGraphcolor(100, 200, 100);
$image->paintData();
if (isset($_GET['debug'])) {
print "SQL: " . $sql . "\n";
echo "If following array is empty your license utilization table is not\n being populated. Most common problem is that license_util.php script is not\n being run periodically ie. every 15 minutes.<p><PRE>";
print_r($image->m_data);
exit;
} else {
Header("Content-type: image/png");
}
