/**
* {@inheritdoc}
*/
public function coordinateSystem()
{
if ($this->proxyGeometry === null) {
$this->load();
}
return $this->proxyGeometry->coordinateSystem();
}
/**
* Creates a non-empty PolyhedralSurface composed of the given patches.
*
* @param Polygon $patch1 The first patch.
* @param Polygon ...$patchN The subsequent patches, if any.
*
* @return PolyhedralSurface
*
* @throws CoordinateSystemException If the patches use different coordinate systems.
*/
public static function of(Polygon $patch1, Polygon ...$patchN)
{
return new static($patch1->coordinateSystem(), $patch1, ...$patchN);
}
