$tooltip->set_hover();
$sline = new scatter_line('#3D3D3D', 3);
$def = new hollow_dot();
$def->size(0)->halo_size(0);
$sline->set_default_dot_style($def);
$sline->set_key('Leistung (W)', 11);
$v = array();
foreach ($data_watt as $key => $val) {
$v[] = new scatter_value($key, $val);
$v[] = new scatter_value($key + 1, $val);
}
$sline->set_values($v);
$bars_curr = new bar_glass();
$bars_curr->set_key('Leistung (W)', 10);
$bars_curr->set_colour('#EFC01D');
$bars_curr->set_alpha(0.8);
$bars_curr->set_tooltip('#val# W');
for ($i = 0; $i < count($data_watt); $i++) {
$bval = new bar_value($data_watt[$i]);
if ($data_watt[$i] == max($data_watt)) {
$bval->set_tooltip("Tages-Spitzenwert:<br>#val# W um {$time_axis[$i]} Uhr");
$bval->set_colour('#ef4747');
}
$bars_curr->append_value($bval);
}
// PEAK
$max_val = max($data_watt);
$i = array_search($max_val, $data_watt);
$s = new star($data_watt[$i]);
$s->tooltip("Tages-Spitzenwert:<br>#val# W um #x_label# Uhr");
$data_watt[$i] = $s->size(6)->halo_size(3)->colour('#ff0000');
