3 (h@spddlmZmZddlmZddlmZddlm Z m Z ddl m Z ddl mZddlmZGdd d eZd S) )byrefc_uint) prototypes) GEOSGeometry)GEOM_PTRget_pointer_arr) LinearRing)six)rangecseZdZdZfddZddZddZedd Zd d Z d d Z d!ddZ ddZ ddZ ddZejZejZeddZddZddZeeeZeZeddZeZedd ZZS)"Polygoncs|s$tt|j|jddf|dS|d}|dd}t|}|dkrt|dttfrt|ddkrtf}d}n"t|ddtr|d}t|}|j|d|f|}tt|j|f|dS)a Initializes on an exterior ring and a sequence of holes (both instances may be either LinearRing instances, or a tuple/list that may be constructed into a LinearRing). Examples of initialization, where shell, hole1, and hole2 are valid LinearRing geometries: >>> from django.contrib.gis.geos import LinearRing, Polygon >>> shell = hole1 = hole2 = LinearRing() >>> poly = Polygon(shell, hole1, hole2) >>> poly = Polygon(shell, (hole1, hole2)) >>> # Example where a tuple parameters are used: >>> poly = Polygon(((0, 0), (0, 10), (10, 10), (0, 10), (0, 0)), ... ((4, 4), (4, 6), (6, 6), (6, 4), (4, 4))) rNr ) superr __init___create_polygonlen isinstancetuplelistr)selfargskwargsZext_ringZ init_holesn_holesZpolygon) __class__C/tmp/pip-install-q3hcpn_q/Django/django/contrib/gis/geos/polygon.pyrs zPolygon.__init__ccs$xtt|D]}||VqWdS)z'Iterates over each ring in the polygon.N)r r)rirrr__iter__4szPolygon.__iter__cCs |jdS)z,Returns the number of rings in this Polygon.r )num_interior_rings)rrrr__len__9szPolygon.__len__c Csr|\}}}}x>|D]6}t|tjtfstd||||||||||f SqWt||f||f||f||f||ffS)z3Constructs a Polygon from a bounding box (4-tuple).z,POLYGON((%s %s, %s %s, %s %s, %s %s, %s %s)))rr integer_typesfloatrr )clsZbboxZx0Zy0x1y1zrrr from_bbox=s    zPolygon.from_bboxc Cs|s tjSg}x2|D]*}t|tr0|j|q|j|j|qW|j|jd}|d}|rt|}x0t |D]\}}|j|||<t |} qrWnd} tj || t |S)Nrr ) capiZcreate_empty_polygonrrappend_construct_ring_clonepopr enumeraterZcreate_polygonr) rlengthitemsZringsrshellrZholesrZ holes_paramrrrrHs    zPolygon._create_polygoncCs$t|trtj|Stj|jSdS)N)rrr& geom_cloneptr)rgrrrr)ds  zPolygon._cloneYParameter must be a sequence of LinearRings or objects that can initialize to LinearRingsc Cs<t|tr|Sy t|}|Stk r6t|YnXdS)zGHelper routine for trying to construct a ring from the given parameter.N)rr TypeError)rparammsgringrrrr(js zPolygon._construct_ringcCs2|j}|j}|j|||_|r$||_tj|dS)N)r1sridrr&Z destroy_geom)rr,r-Zprev_ptrr8rrr _set_listus zPolygon._set_listcCs*|dkrtj|jStj|j|dSdS)aN Returns the ring at the specified index. The first index, 0, will always return the exterior ring. Indices > 0 will return the interior ring at the given index (e.g., poly[1] and poly[2] would return the first and second interior ring, respectively). CAREFUL: Internal/External are not the same as Interior/Exterior! _get_single_internal returns a pointer from the existing geometries for use internally by the object's methods. _get_single_external returns a clone of the same geometry for use by external code. rr N)r&Z get_extringr1Z get_intring)rindexrrr_get_single_internals  zPolygon._get_single_internalcCsttj|j||jdS)N)r8)rr&r0r;r8)rr:rrr_get_single_externalszPolygon._get_single_externalcCs tj|jS)z%Returns the number of interior rings.)r&Z get_nringsr1)rrrrrszPolygon.num_interior_ringscCs|dS)z&Gets the exterior ring of the Polygon.rr)rrrr _get_ext_ringszPolygon._get_ext_ringcCs ||d<dS)z&Sets the exterior ring of the Polygon.rNr)rr7rrr _set_ext_ringszPolygon._set_ext_ringcstfddttDS)z-Gets the tuple for each ring in this Polygon.c3s|]}|jVqdS)N)r).0r)rrr sz Polygon.tuple..)rr r)rr)rrrsz Polygon.tuplecs0djfddtjD}ddj|fS)z/Returns the KML representation of this Polygon.c3s |]}d|djVqdS)z%%sr N)kml)r?r)rrrr@szPolygon.kml..z:%s%sr)joinr rrB)rZ inner_kmlr)rrrBs z Polygon.kml)r3)__name__ __module__ __qualname__Z _minlengthrrr classmethodr%rr)r(r9r;r<rZ_set_single_rebuildZ _set_singleZ_assign_extended_slice_rebuildZ_assign_extended_slicepropertyrr=r>Z exterior_ringr/rZcoordsrB __classcell__rr)rrr s* &      r N)ctypesrrZdjango.contrib.gis.geosrr&Z django.contrib.gis.geos.geometryrZdjango.contrib.gis.geos.libgeosrrZ"django.contrib.gis.geos.linestringrZ django.utilsr Zdjango.utils.six.movesr r rrrrs