/**
* {@inheritdoc}
*/
public function z()
{
if ($this->proxyGeometry === null) {
$this->load();
}
return $this->proxyGeometry->z();
}
/**
* @param Point $point
* @param boolean $is3D
* @param boolean $isMeasured
* @param integer $srid
*/
private function assertPointEmptyFactoryMethod(Point $point, $is3D, $isMeasured, $srid)
{
$this->assertTrue($point->isEmpty());
$this->assertNull($point->x());
$this->assertNull($point->y());
$this->assertNull($point->z());
$this->assertNull($point->m());
$this->assertSame($is3D, $point->is3D());
$this->assertSame($isMeasured, $point->isMeasured());
$this->assertSame($srid, $point->SRID());
}
/**
* @param Point $point
*
* @return string
*/
private function writePoint(Point $point)
{
$result = $point->x() . ' ' . $point->y();
if (null !== ($z = $point->z())) {
$result .= ' ' . $z;
}
if (null !== ($m = $point->m())) {
$result .= ' ' . $m;
}
return $result;
}
/**
* @param Point $point
*
* @return string
*
* @throws GeometryIOException
*/
private function packPoint(Point $point)
{
if ($point->isEmpty()) {
throw new GeometryIOException('Empty points have no WKB representation.');
}
$binary = $this->packDouble($point->x()) . $this->packDouble($point->y());
if (null !== ($z = $point->z())) {
$binary .= $this->packDouble($z);
}
if (null !== ($m = $point->m())) {
$binary .= $this->packDouble($m);
}
return $binary;
}