function grafico($v, $nomegraph, $titolo, $x, $upper = Null)
{
# $chart = new VerticalBarChart(800,200);
$chart = new LineChart(700, 245);
// var_dump($x);
$ii = 0;
$serie = array();
// echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><br>";
foreach ($v as $s) {
// var_dump($s);
// echo "<br>";
$serie[$ii] = new XYDataSet();
$nome_serie[] = $s[0];
// echo $s[0]."<br>";
// unset($s[0]);
$flag = True;
$i = 0;
$ib = 0;
foreach ($s as $e) {
if (!$flag) {
# per saltare il primo elemento
// var_dump($e+0.0);
while ($ib < $x[$i]) {
$serie[$ii]->addPoint(new Point(sprintf("%02d", $ib), 0.0));
$ib = $ib + 1;
}
$serie[$ii]->addPoint(new Point(sprintf("%02d", $x[$i]), $e + 0.0));
// echo "i=",$i,"x=",$x[$i],"ib=",$ib."<br>";
$ib = $ib + 1;
$i = $i + 1;
}
$flag = False;
}
$ii = $ii + 1;
}
$ii = 0;
$dataSet = new XYSeriesDataSet();
foreach ($serie as $ds) {
$dataSet->addSerie($nome_serie[$ii], $ds);
$ii = $ii + 1;
}
if ($upper) {
// echo "Set massimo valore",$upper,"<br>";
$chart->setUpper($upper);
//solo con LineChar()
$chart->setLower(0.0);
//solo con LineChar()
}
$chart->setDataSet($dataSet);
$chart->setTitle($titolo);
$chart->render($nomegraph);
}
