private function runGenerateBalanceTimeGraph($w, $h, $file)
{
$graph = new Graph($w, $h);
$graph->setXAxis(new Graph_TimestampAxis($this->getMitgliederCountStart(), $this->getMitgliederCountEnd(), "d.m.Y", $this->getMitgliederCountScale()));
$graph->setYAxis(new Graph_DefaultAxis(-1.05 * $this->maxMitgliederAustritte, 1.05 * $this->maxMitgliederEintritte));
$graph->addData(new Graph_SumData($this->mitgliederEintritte, 0, 1, new Graph_Color(30, 240, 30)));
$graph->addData(new Graph_SumData($this->mitgliederAustritte, 0, -1, new Graph_Color(255, 0, 0)));
$graph->plot($file);
}
public function addData($data, $data2 = '', $data3 = '', $data4 = '', $data5 = '')
{
parent::addData($data, $data2, $data3, $data4, $data5);
$key_max = array();
//loop through each row, adding values to keyed arrays to find combined max
foreach ($this->data_array as $data_set_num => $data_set) {
foreach ($data_set as $key => $item) {
$key_max[$key] = isset($key_max[$key]) ? $key_max[$key] + $item : $item;
if ($key_max[$key] < $this->data_min) {
$this->data_min = $key_max[$key];
}
if ($key_max[$key] > $this->data_max) {
$this->data_max = $key_max[$key];
}
}
}
}
