/**
* @param LatLongValue $value
* @param float $minimumLongitude
*
* @return LatLongValue
*/
public function normalizeLatLong(LatLongValue $value, $minimumLongitude = -180.0)
{
$lat = $value->getLatitude();
$lon = $value->getLongitude();
// Normalize to [-180°..+180°[ on Earth/Moon, [0°..+360°[ on other globes.
if ($lon >= $minimumLongitude + 360) {
$lon -= 360;
} elseif ($lon < $minimumLongitude) {
$lon += 360;
}
if ($lat >= 270) {
// Same side of the globe, on the southern hemisphere.
$lat -= 360;
} elseif ($lat <= -270) {
// Same side of the globe, on the northern hemisphere.
$lat += 360;
} elseif ($lat > 90) {
// Other side of the globe
$lat = 180 - $lat;
$lon += $lon - 180 >= $minimumLongitude ? -180 : 180;
} elseif ($lat < -90) {
// Other side of the globe
$lat = -180 - $lat;
$lon += $lon - 180 >= $minimumLongitude ? -180 : 180;
}
// North/south pole
if (abs($lat) === 90.0) {
$lon = 0;
}
return new LatLongValue($lat, $lon);
}
private function detectPrecision(LatLongValue $latLong, $precisionDetector)
{
if ($this->options->hasOption('precision')) {
return $this->options->getOption('precision');
}
return min(call_user_func(array($this, $precisionDetector), $latLong->getLatitude()), call_user_func(array($this, $precisionDetector), $latLong->getLongitude()));
}
/**
* Returns the geographical distance between two coordinates.
* See http://en.wikipedia.org/wiki/Geographical_distance
*
* @since 2.0
*
* @param LatLongValue $start
* @param LatLongValue $end
*
* @return float Distance in m.
*/
public static function calculateDistance(LatLongValue $start, LatLongValue $end)
{
$northRad1 = deg2rad($start->getLatitude());
$eastRad1 = deg2rad($start->getLongitude());
$cosNorth1 = cos($northRad1);
$cosEast1 = cos($eastRad1);
$sinNorth1 = sin($northRad1);
$sinEast1 = sin($eastRad1);
$northRad2 = deg2rad($end->getLatitude());
$eastRad2 = deg2rad($end->getLongitude());
$cosNorth2 = cos($northRad2);
$cosEast2 = cos($eastRad2);
$sinNorth2 = sin($northRad2);
$sinEast2 = sin($eastRad2);
$term1 = $cosNorth1 * $sinEast1 - $cosNorth2 * $sinEast2;
$term2 = $cosNorth1 * $cosEast1 - $cosNorth2 * $cosEast2;
$term3 = $sinNorth1 - $sinNorth2;
$distThruSquared = $term1 * $term1 + $term2 * $term2 + $term3 * $term3;
$distance = 2 * Maps_EARTH_RADIUS * asin(sqrt($distThruSquared) / 2);
assert($distance >= 0);
return $distance;
}
/**
* Returns an object that can directly be converted to JS using json_encode or similar.
*
* FIXME: complexity
*
* @since 1.0
*
* @param string $defText
* @param string $defTitle
* @param string $defIconUrl
* @param string $defGroup
* @param string $defInlineLabel
* @param string $defVisitedIcon
*
* @return array
*/
public function getJSONObject($defText = '', $defTitle = '', $defIconUrl = '', $defGroup = '', $defInlineLabel = '', $defVisitedIcon = '')
{
$parentArray = parent::getJSONObject($defText, $defTitle);
$array = array('lat' => $this->coordinates->getLatitude(), 'lon' => $this->coordinates->getLongitude(), 'alt' => 0, 'address' => $this->getAddress(false), 'icon' => $this->hasIcon() ? \MapsMapper::getFileUrl($this->getIcon()) : $defIconUrl, 'group' => $this->hasGroup() ? $this->getGroup() : $defGroup, 'inlineLabel' => $this->hasInlineLabel() ? $this->getInlineLabel() : $defInlineLabel, 'visitedicon' => $this->hasVisitedIcon() ? $this->getVisitedIcon() : $defVisitedIcon);
return array_merge($parentArray, $array);
}
/**
* @see DataValue::getArrayValue
*
* @return array
*/
public function getArrayValue()
{
return array('latitude' => $this->latLang->getLatitude(), 'longitude' => $this->latLang->getLongitude(), 'altitude' => null, 'precision' => $this->precision, 'globe' => $this->globe);
}
/**
* Formats a LatLongValue with the desired precision.
*
* @since 0.5
*
* @param LatLongValue $value
* @param float $precision The desired precision, given as fractional degrees.
*
* @return string
* @throws InvalidArgumentException
*/
public function formatLatLongValue(LatLongValue $value, $precision)
{
if ($precision <= 0) {
$precision = 1 / 3600;
}
$formatted = implode($this->getOption(self::OPT_SEPARATOR_SYMBOL) . $this->getSpacing(self::OPT_SPACE_LATLONG), array($this->formatLatitude($value->getLatitude(), $precision), $this->formatLongitude($value->getLongitude(), $precision)));
return $formatted;
}
/**
* @dataProvider instanceProvider
* @param LatLongValue $latLongValue
* @param array $arguments
*/
public function testGetLatitude(LatLongValue $latLongValue, array $arguments)
{
$actual = $latLongValue->getLatitude();
$this->assertInternalType('float', $actual);
$this->assertEquals((double) $arguments[0], $actual);
}
private function equals(LatLongValue $a, LatLongValue $b)
{
return abs($a->getLatitude() - $b->getLatitude()) < self::EPSILON && abs($a->getLongitude() - $b->getLongitude()) < self::EPSILON;
}