public function setMultiPoint($field, $pointArray)
    {
        return $this->setGeometry(
            $field,
            new \GeoJson\Geometry\MultiPoint($pointArray)
        );
    }
public function setMultiPoint($field, $pointArray)
    {
        return $this->setGeometry(
            $field,
            new \GeoJson\Geometry\MultiPoint($pointArray)
        );
    }
public function setMultiPoint ( $ field , $ pointArray ) { return $ this -> setGeometry ( $ field , new \ GeoJson \ Geometry \ MultiPoint ( $ pointArray ) ) ; }
Set multi point as array of points

Requires MongoDB version 2.6 or above with 2dsparse index version 2
to use MultiPoint, MultiLineString, MultiPolygon and GeometryCollection.

@link http://docs.mongodb.org/manual/core/2dsphere/#multipoint
@param string $field
@param array $pointArray array of point arrays
@return \Sokil\Mongo\Document
Set multi point as array of points