function _wunderground_weather_speed_to_beaufort in Wunderground weather 7

Convert wind speed to beaufort.

Parameters

int $speed: Windspeed in kp/h or m/h.

string $unit: Windspeed unit.

Return value

int Windspeed in Bft.

2 calls to _wunderground_weather_speed_to_beaufort()

theme_wunderground_weather_forecast in ./wunderground_weather.module

Theme function to render weather forecast block.

wunderground_weather_get_current in ./wunderground_weather.module

Get current weather conditions and return them.

File

./wunderground_weather.module, line 893

Wunderground weather module to display weather forecasts and current weather conditions in blocks.

Code

function _wunderground_weather_speed_to_beaufort($speed, $unit) {
  $speed = $unit == 'kph' ? $speed : $speed * 1.6;
  switch (TRUE) {
    case $speed < 1:
      $bft = 0;
      break;
    case $speed < 5.6:
      $bft = 1;
      break;
    case $speed < 12:
      $bft = 2;
      break;
    case $speed < 20:
      $bft = 3;
      break;
    case $speed < 29:
      $bft = 4;
      break;
    case $speed < 39:
      $bft = 5;
      break;
    case $speed < 50:
      $bft = 6;
      break;
    case $speed < 62:
      $bft = 7;
      break;
    case $speed < 75:
      $bft = 8;
      break;
    case $speed < 89:
      $bft = 9;
      break;
    case $speed < 103:
      $bft = 10;
      break;
    case $speed < 118:
      $bft = 11;
      break;
    case $speed >= 118:
      $bft = 12;
      break;
    default:
      $bft = 100;
      break;
  }
  return $bft;
}