Внедряем работу с координатами в sonata-admin

#Bundle\Resources\config\doctrine\Location.orm.yml
Location:
    type: entity
    table: Location
    repositoryClass: LocationRepository
    id:
        id:
            type: integer
            nullable: false
            generator:
                strategy: AUTO
    fields:
        title:
            type: string
            length: 500
            nullable: false
        area:
            type: polygon
            nullable: false

//Bundle\Entity\Location.php
private $__area;
	const COORDS_SEPARATOR = '; ';
	const POLYGON_SEPARATOR = '[]';
	
	public function get_Area($raw = false)
	{
		if ($raw)
		{
			return $this->__area;
		}

		$result = array();
		if (is_null($this->getArea()))
		{
			return $result;
		}
		$rings = $this->getArea()->getRings();
		$count_rings = count($rings) -1;

		foreach ($rings as $key => $line)
		{
			foreach ($line->getPoints() as $point)
			{
				$result[] = $point->getX() . self::COORDS_SEPARATOR . $point->getY();
			}

			if($count_rings != $key)
			{
				$result[] = Task::POLYGON_SEPARATOR;
			}
		}
		return $result;
	}

	public function set_Area($__area) {
		$this->__area = $__area;

        return $this;
	}

 $formMapper
....
		->add('__area','sonata_type_native_collection',[
			'options'=>['label'=>'Точка(GpsX;GpsY)'],
			'allow_add'=>true,
			'allow_delete'=>true,
			'label' => 'Полигон координат'
		])
....

public function update($object)
	{
		$object = $this->prepareTask($object);
		return parent::update($object);
	}

	public function create($object)
	{
		$object = $this->prepareTask($object);
		return parent::create($object);
	}

	protected function prepareTask($object)
	{
		$res = array();
		if (count($object->get_Area(true)))
		{
			$flb = $this->getConfigurationPool()->getContainer()->get('session')->getFlashBag();

			$i = 0;
			foreach ($object->get_Area(true) as $point)
			{
				if((string) $point === Task::POLYGON_SEPARATOR)
				{
					if(count($res[$i]) > 2)
					{
						$this->fillLastPoint($res[$i]);
					}

					$i++;
					continue;
				}

				if (!preg_match('/[\d]+[.]{0,1}[\d]{0,}' . preg_quote(Task::COORDS_SEPARATOR) . '[\d]+[.]{0,1}[\d]{0,}/', (string) $point))
				{
					$flb->add(
						'danger', 'Не верный формат точки ' . (string) $point . '. Должны быть два целых или дробных числа(разделитель .) через ";пробел"'
					);
					return $object;
				}
				list($x, $y) = explode(Task::COORDS_SEPARATOR, $point);
				$res[$i][] = new Point($x, $y);
			}

			foreach ($res as $key => $ring)
			{
				if(count($ring) < 3)
				{
					$flb->add(
						'danger', "Полигон координат №" . $key + 1 . " не был изменен, т.к. для построение полигона необходимо минимум 3 точки, вы указали лишь " . count($ring) . '.'
					);
					unset($res[$key]);
					continue;
				}
			}
			
			if(count($res))
			{
				end($res);
				$key = key($res);
				$this->fillLastPoint($res[$key]);
				$object->setArea(new Polygon($res));
			}
		}

		return $object;
	}

	private function fillLastPoint(&$arr)
	{
		if ($arr[0]->getX() !== end($arr)->getX() || $arr[0]->getY() !== end($arr)->getY())
		{
			$arr[] = $arr[0];
		}
	}

		$query = $this->getEntityManager()
			->createQuery(
				'SELECT
					t
				FROM
					Bundle:Location t
				where
					ST_CONTAINS(t.area, Point(:x,:y)) = 1'
			)
			->setParameter('x', $x)
			->setParameter('y', $y)
		;
		$query->setHint(Query::HINT_CUSTOM_OUTPUT_WALKER, 'CrEOF\Spatial\ORM\Query\GeometryWalker');
		$result = $query->getResult();