} else {
$amount = bcadd($amount, $val['final_amount'], 2);
$number += 1;
}
unset($val);
}
}
$key = empty($trend) ? 'day' : $trend;
$data['labels'][] = date($format[$key], $v + 28800);
$data['amount'][] = $amount;
$data['number'][] = $number;
unset($amount, $number);
}
if (is_array($data['amount'])) {
$data['amount'] = build_data($data['amount'], $lang[$key] . '销量', $saler);
$data['number'] = build_data($data['number'], $lang[$key] . '订单量', $saler);
}
// 计算纵坐标标尺
$amount = calc_scale($data['amount']);
$number = calc_scale($data['number']);
$zoom = pow(10, strpos($amount['max'], '.') - strlen(strval($number['max'])));
$data['start_scale'] = 0;
$offset = round(max($amount['max'] / $zoom, $number['max']), 0);
$data['end_scale'] = $offset + ceil($offset / 10);
if (isset($data['amount']['value'])) {
foreach ($data['amount']['value'] as &$val) {
$val = round($val / $zoom, 2);
}
} else {
foreach ($data['amount'] as $key => $val) {
foreach ($val as $k => $v) {
require_once 'phplot.php';
# Make a data array for the given X and Y ranges:
function build_data($x1, $dx, $nx, $y1, $y2)
{
$dy = ($y2 - $y1) / ($nx - 1);
$data = array();
while ($nx-- > 0) {
$data[] = array('', $x1, $y1);
$x1 += $dx;
$y1 += $dy;
}
return $data;
}
// Common setup:
$plot = new PHPlot(460, 600);
$plot->SetTitle("Multiple Plots, Sticky Settings\n" . "Reset data range and not tick step between plots");
$plot->SetDataType('data-data');
$plot->SetPlotType('linepoints');
$plot->SetPrintImage(False);
// Plot #1:
$plot->SetPlotAreaPixels(40, 60, NULL, 300);
$plot->SetDataValues(build_data(0, 1, 4, 5, 2));
$plot->SetPlotAreaWorld();
$plot->DrawGraph();
// Plot #2:
$plot->SetPlotAreaPixels(40, 330, NULL, 570);
$plot->SetDataValues(build_data(0, 10, 4, 0, 400));
$plot->SetPlotAreaWorld();
$plot->DrawGraph();
// Finish:
$plot->PrintImage();
