/** * Calculate JD intensity * @return int */ public function calculateJDintensity() { JD\Intensity::setVDOTshape(Configuration::Data()->vdot()); JD\Intensity::setHRmax(Configuration::Data()->HRmax()); $Intensity = new JD\Intensity(); if ($this->knowsTrackdata() && $this->Trackdata->has(Model\Trackdata\Object::HEARTRATE) && $this->Trackdata->has(Model\Trackdata\Object::TIME)) { return $Intensity->calculateByHeartrate(new TimeSeries($this->Trackdata->heartRate(), $this->Trackdata->time())); } elseif ($this->Activity->hrAvg() > 0) { return $Intensity->calculateByHeartrateAverage($this->Activity->hrAvg(), $this->Activity->duration()); } else { return $Intensity->calculateByPace($this->Activity->distance(), $this->Activity->duration()); } }