vendor/geo-io/geometry/src/Point.php line 8

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  1. <?php
  3. namespace GeoIO\Geometry;
  5. use GeoIO\Dimension;
  6. use GeoIO\Geometry\Exception\MissingCoordinateException;
  8. class Point extends BaseGeometry
  9. {
  10.     private $coordinates;
  12.     public function __construct($dimension, Coordinates $coordinates = null, $srid = null)
  13.     {
  14.         $this->dimension = $dimension;
  15.         $this->srid = $srid;
  17.         $this->coordinates = $coordinates;
  19.         $this->assert();
  20.     }
  22.     public function isEmpty()
  23.     {
  24.         return null === $this->coordinates;
  25.     }
  27.     public function getX()
  28.     {
  29.         if (null === $this->coordinates) {
  30.             return null;
  31.         }
  33.         return $this->coordinates->getX();
  34.     }
  36.     public function getY()
  37.     {
  38.         if (null === $this->coordinates) {
  39.             return null;
  40.         }
  42.         return $this->coordinates->getY();
  43.     }
  45.     public function getZ()
  46.     {
  47.         if (null === $this->coordinates) {
  48.             return null;
  49.         }
  51.         return $this->coordinates->getZ();
  52.     }
  54.     public function getM()
  55.     {
  56.         if (null === $this->coordinates) {
  57.             return null;
  58.         }
  60.         return $this->coordinates->getM();
  61.     }
  63.     private function assert()
  64.     {
  65.         $dimension = $this->getDimension();
  67.         $this->assertDimension($dimension);
  69.         if (null === $this->getZ() &&
  70.             (Dimension::DIMENSION_4D === $dimension ||
  71.              Dimension::DIMENSION_3DZ === $dimension)) {
  72.             throw MissingCoordinateException::create('Z', $dimension);
  73.         }
  75.         if (null === $this->getM() &&
  76.             (Dimension::DIMENSION_4D === $dimension ||
  77.              Dimension::DIMENSION_3DM === $dimension)) {
  78.             throw MissingCoordinateException::create('M', $dimension);
  79.         }
  80.     }
  81. }