/**
* Display
* @return string
*/
public function code()
{
if ($this->WindSpeed->isUnknown() && $this->WindDegree->isUnknown()) {
return '';
}
$code = '<span class="' . self::BASE_CLASS . '"' . $this->tooltipAttributes() . '>';
if (!$this->WindDegree->isUnknown()) {
$code .= '<span class="' . self::DIRECTION_CLASS . '" style="transform:rotate(' . $this->WindDegree->value() . 'deg);"></span> ';
}
$code .= $this->WindSpeed->isUnknown() ? '?' : $this->WindSpeed->string(false);
$code .= '</span>';
return $code;
}
/**
* Calculate and set adjusted temperature
* @param \Runalyze\Data\Weather\WindSpeed $windSpeed
* @param \Runalyze\Activity\Temperature $temperature
* @param \Runalyze\Activity\Pace $activitySpeed
* @param null|\Runalyze\Activity\Pace $activitySpeed
* @throws \InvalidArgumentException
* @see https://en.wikipedia.org/wiki/Wind_chill#North_American_and_United_Kingdom_wind_chill_index
*/
public function setFrom(WindSpeed $windSpeed, ActivityTemperature $temperature, Pace $activitySpeed = null)
{
if ($windSpeed->isUnknown() || $temperature->isEmpty()) {
throw new \InvalidArgumentException('Wind speed and temperature must be known. Null value(s) given.');
}
$kmh = $windSpeed->inKilometerPerHour();
$calc = $temperature->celsius();
if (null !== $activitySpeed) {
$kmh = $windSpeed->inKilometerPerHour() + $activitySpeed->asKmPerHour();
}
if ($kmh >= 5) {
$calc = 13.12 + 0.6215000000000001 * $temperature->celsius() - 11.37 * pow($kmh, 0.16) + 0.3965 * $temperature->celsius() * pow($kmh, 0.16);
}
$this->AdjustedTemperature = clone $temperature;
$this->AdjustedTemperature->set($calc);
}
/**
* Clear weather
*/
public function clear()
{
$this->Temperature->setTemperature(null);
$this->Condition->set(Condition::UNKNOWN);
$this->WindSpeed->set(null);
$this->WindDegree->set(null);
$this->Humidity->set(null);
$this->Pressure->set(null);
}
/**
* Is the weather-data empty?
* @return bool
*/
public function isEmpty()
{
return $this->Temperature->isUnknown() && $this->Condition->isUnknown() && $this->WindSpeed->isUnknown() && $this->WindDegree->isUnknown() && $this->Humidity->isUnknown() && $this->Pressure->isUnknown();
}
/**
* Temperature
* @return \Runalyze\Data\Weather\WindSpeed
*/
public function windSpeed()
{
$WindSpeed = new WindSpeed();
if (isset($this->Result['wind']) && isset($this->Result['wind']['speed'])) {
$WindSpeed->setMilesPerHour($this->Result['wind']['speed']);
}
return $WindSpeed;
}
