/**
* Create a SWEREF99 position by converting a WGS84 position.
*
* @param position WGS84 position to convert
* @param projection Projection to convert to
*/
private function SWEREF99PositionPositionProjection(WGS84Position $position, $projection)
{
parent::__construct(Grid::SWEREF99);
$gkProjection = new GaussKreugerProjection();
$gkProjection->swedish_params($this->getProjectionString($projection));
list($this->latitude, $this->longitude) = $gkProjection->geodetic_to_grid($position->getLatitude(), $position->getLongitude());
$this->projection = $projection;
}
/**
* Format coordinates
*
* @param float $lat Latitude
* @param float $lon Longitude
* @param string $format Format
*
* @return array X, Y or lat, lon
*/
public static function format($lat, $lon, $format)
{
$wgs84 = new WGS84Position($lat, $lon);
switch ($format) {
case 'wgs84_dms':
return array($wgs84->latitudeToString(WGS84Format::DEGREES_MINUTES_SECONDS), $wgs84->longitudeToString(WGS84Format::DEGREES_MINUTES_SECONDS));
case 'wgs84_dm':
return array($wgs84->latitudeToString(WGS84Format::DEGREES_MINUTES), $wgs84->longitudeToString(WGS84Format::DEGREES_MINUTES));
case 'wgs84_dd':
case 'wgs84_decimal':
return array($wgs84->latitudeToString(WGS84Format::DEGREES), $wgs84->longitudeToString(WGS84Format::DEGREES));
case 'rt90':
$rtPos = new RT90Position($wgs84, RT90Projection::RT90_2_5_GON_V);
$x = (double) round($rtPos->getLatitude() * 1000) / 1000;
$y = (double) round($rtPos->getLongitude() * 1000) / 1000;
return array($x, $y);
case 'sweref99':
$rtPos = new SWEREF99Position($wgs84, SWEREFProjection::SWEREF_99_TM);
$x = (double) round($rtPos->getLatitude() * 1000) / 1000;
$y = (double) round($rtPos->getLongitude() * 1000) / 1000;
return array($x, $y);
}
}
public function testWGS84Parse()
{
// Values from Eniro.se
$wgsPosDM = null;
$wgsPosDMs = null;
try {
$wgsPosDM = new WGS84Position("N 62º 10.560' E 015º 54.180'", WGS84Format::DEGREES_MINUTES);
$wgsPosDMs = new WGS84Position("N 62º 10' 33.60\" E 015º 54' 10.80\"", WGS84Format::DEGREES_MINUTES_SECONDS);
} catch (ParseException $e) {
$this->fail($e->getMessage());
}
$lat = (double) round($wgsPosDM->getLatitude() * 1000) / 1000;
$lon = (double) round($wgsPosDM->getLongitude() * 1000) / 1000;
$this->assertEquals(62.176, $lat);
$this->assertEquals(15.903, $lon);
$lat_s = (double) round($wgsPosDMs->getLatitude() * 1000) / 1000;
$lon_s = (double) round($wgsPosDMs->getLongitude() * 1000) / 1000;
$this->assertEquals(62.176, $lat_s);
$this->assertEquals(15.903, $lon_s);
}