/**
* Construct plot data
* @param enum $algorithm
* @param int $treshold
* @return array
*/
protected function constructPlotDataFor($algorithm, $treshold = false)
{
$Method = new ElevationMethod();
$Method->set($algorithm);
if ($treshold === false) {
$treshold = Configuration::ActivityView()->elevationMinDiff();
}
$Calculator = new Data\Elevation\Calculation\Calculator($this->Context->route()->elevations());
$Calculator->setMethod($Method);
$Calculator->setThreshold($treshold);
$Calculator->calculate();
$i = 0;
$Data = array();
$Points = $Calculator->strategy()->smoothedData();
$Indices = $Calculator->strategy()->smoothingIndices();
$hasDistances = $this->Context->trackdata()->get(Trackdata\Entity::DISTANCE);
$Distances = $this->Context->trackdata()->get(Trackdata\Entity::DISTANCE);
$Times = $this->Context->trackdata()->get(Trackdata\Entity::TIME);
$num = $this->Context->trackdata()->num();
foreach ($Indices as $i => $index) {
if ($index >= $num) {
$index = $num - 1;
}
if ($hasDistances) {
$Data[(string) $Distances[$index]] = $Points[$i];
} else {
$Data[(string) $Times[$index] . '000'] = $Points[$i];
}
}
$this->manipulateData($Data);
return $Data;
}
