/**
* Calculate average stride length
* @return int [cm]
*/
public function average()
{
if (empty($this->Strides)) {
return 0;
}
$Series = new TimeSeries($this->Strides, $this->Trackdata->time());
$Series->calculateStatistic();
return round($Series->mean());
}
/**
* Calculate average Vertical Ratio
* @return int [%o]
*/
public function average()
{
if (empty($this->VerticalRatio)) {
return 0;
}
if (!$this->Trackdata->has(Trackdata\Entity::TIME)) {
return round(array_sum($this->VerticalRatio) / $this->Trackdata->num());
}
$Series = new TimeSeries($this->VerticalRatio, $this->Trackdata->time());
$Series->calculateStatistic();
return round($Series->mean());
}
/**
* Run fast smoothing for step size
*
* Although this does not look nice and is not the cleanest code,
* direct access to the arrays is approx. 5-times faster.
* (0.02s vs 0.11s for an array of 10.000 elements)
*/
protected function runFastSmoothingForSteps()
{
$distance = $this->Trackdata->distance();
$time = $this->Trackdata->time();
$lastDist = 0;
$lastTime = 0;
foreach ($distance as $i => $dist) {
if ($i != 0 && $i % $this->StepSize == 0) {
$pace = $dist - $lastDist > 0 ? round(($time[$i] - $lastTime) / ($dist - $lastDist)) : 0;
if ($this->KeepArraySize) {
for ($j = 0; $j < $this->StepSize; ++$j) {
$this->Smoothed[] = $pace;
}
} else {
$this->Smoothed[] = $pace;
}
$lastDist = $dist;
$lastTime = $time[$i];
}
}
if ($this->KeepArraySize && !empty($distance)) {
$pace = $dist - $lastDist > 0 ? round(($time[$i] - $lastTime) / ($dist - $lastDist)) : 0;
for ($j = count($this->Smoothed), $num = $this->Trackdata->num(); $j < $num; ++$j) {
$this->Smoothed[] = $pace;
}
}
}
/**
* Calculate trimp
* @return int
*/
public function calculateTrimp()
{
if ($this->knowsTrackdata() && $this->Trackdata->has(Model\Trackdata\Entity::HEARTRATE)) {
$Collector = new Trimp\DataCollector($this->Trackdata->heartRate(), $this->Trackdata->time());
$data = $Collector->result();
} elseif ($this->Activity->hrAvg() > 0) {
$data = array($this->Activity->hrAvg() => $this->Activity->duration());
} else {
$Factory = Context::Factory();
if ($this->Activity->typeid() > 0) {
$data = array($Factory->type($this->Activity->typeid())->hrAvg() => $this->Activity->duration());
} else {
$data = array($Factory->sport($this->Activity->sportid())->avgHR() => $this->Activity->duration());
}
}
$Athlete = Context::Athlete();
$Calculator = new Trimp\Calculator($Athlete, $data);
return round($Calculator->value());
}
