a J5d(@sdZddlZddlZddlmZmZddlmZddl m Z ddl m Z ddl mZdd gZd d ZGd d d e Zeejjd <GdddZGddde Zeejjd<dddZdS)z*Polygons and their linear ring components N) is_ccw_impl signed_area)TopologicalError) BaseGeometry) LineString)PointPolygon LinearRingcCs8t|}t|}tt|}|r4t||}|SN)shapelyZfrom_wkbZget_srid linearringsZget_coordinatesZset_srid)ZwkbZ linestringZsridZ linearringr T/var/www/html/django/DPS/env/lib/python3.9/site-packages/shapely/geometry/polygon.py_unpickle_linearrings    rc@sJeZdZdZgZd ddZeddZddZed d Z ed d Z dS)r a A geometry type composed of one or more line segments that forms a closed loop. A LinearRing is a closed, one-dimensional feature. A LinearRing that crosses itself or touches itself at a single point is invalid and operations on it may fail. Parameters ---------- coordinates : sequence A sequence of (x, y [,z]) numeric coordinate pairs or triples, or an array-like with shape (N, 2) or (N, 3). Also can be a sequence of Point objects. Notes ----- Rings are automatically closed. There is no need to specify a final coordinate pair identical to the first. Examples -------- Construct a square ring. >>> ring = LinearRing( ((0, 0), (0, 1), (1 ,1 ), (1 , 0)) ) >>> ring.is_closed True >>> list(ring.coords) [(0.0, 0.0), (0.0, 1.0), (1.0, 1.0), (1.0, 0.0), (0.0, 0.0)] >>> ring.length 4.0 Ncs|durtdSt|trDt|tkr,|S|js[z7LinearRing.__new__.._coords..) isinstancercoords)or r r_coordsWs  z#LinearRing.__new__.._coordscsg|] }|qSr r )rrrr rr]rz&LinearRing.__new__..z&Inconsistent coordinate dimensionalityrz/Invalid values passed to LinearRing constructor)r from_wktrrtyper is_validrrhasattrnpZasarrayZndarrayZ issubdtypeZdtypenumberarray ValueErrorlenr )self coordinatesgeomr rr__new__>s0          zLinearRing.__new__cCsdt|jdS)Nr rr%)tuplerr$r r r__geo_interface__mszLinearRing.__geo_interface__cCsttj|ddffS)zWKB doesn't differentiate between LineString and LinearRing so we need to move the coordinate sequence into the correct geometry typeT)Z include_srid)rr Zto_wkbr*r r r __reduce__qszLinearRing.__reduce__cCstt|S)z/True is the ring is oriented counter clock-wise)boolrr*r r ris_ccwvszLinearRing.is_ccwcCstt|S)zsTrue if the geometry is simple, meaning that any self-intersections are only at boundary points, else False)r-r is_simpler*r r rr/{szLinearRing.is_simple)N) __name__ __module__ __qualname____doc__ __slots__r'propertyr+r,r.r/r r r rr s" /  c@sLeZdZdZdZdZdZddZddZddZ d d Z d d Z d dZ dS)InteriorRingSequenceNrcCs||_|j|_dSr )_parent_ndim)r$parentr r r__init__szInteriorRingSequence.__init__cCsd|_||_|S)Nr)_index__len___lengthr*r r r__iter__s zInteriorRingSequence.__iter__cCs2|j|jkr*||j}|jd7_|StdS)N)r<r> _get_ring StopIteration)r$ringr r r__next__s   zInteriorRingSequence.__next__cCs t|jSr )r Zget_num_interior_ringsr8r*r r rr=szInteriorRingSequence.__len__cCs|}t|trN||dks&||kr.td|dkr@||}n|}||St|trg}||\}}}t|||D]}|||qx|St ddS)Nrzindex out of rangezkey must be an index or slice) r=rint IndexErrorrAsliceindicesrangeappend TypeError)r$keymiresstartstopZstrider r r __getitem__s    z InteriorRingSequence.__getitem__cCst|j|Sr )r Zget_interior_ringr8)r$rNr r rrAszInteriorRingSequence._get_ring) r0r1r2r8r9r<r>r;r?rDr=rRrAr r r rr7sr7c@sdeZdZdZgZdddZeddZeddZed d Z ed d Z dddZ e ddZ dS)raE A geometry type representing an area that is enclosed by a linear ring. A polygon is a two-dimensional feature and has a non-zero area. It may have one or more negative-space "holes" which are also bounded by linear rings. If any rings cross each other, the feature is invalid and operations on it may fail. Parameters ---------- shell : sequence A sequence of (x, y [,z]) numeric coordinate pairs or triples, or an array-like with shape (N, 2) or (N, 3). Also can be a sequence of Point objects. holes : sequence A sequence of objects which satisfy the same requirements as the shell parameters above Attributes ---------- exterior : LinearRing The ring which bounds the positive space of the polygon. interiors : sequence A sequence of rings which bound all existing holes. Examples -------- Create a square polygon with no holes >>> coords = ((0., 0.), (0., 1.), (1., 1.), (1., 0.), (0., 0.)) >>> polygon = Polygon(coords) >>> polygon.area 1.0 NcCst|durtdSt|tr |St|}|durPt|dkrBd}ndd|D}tj||d}t|tsptd|S)Nz POLYGON EMPTYrcSsg|] }t|qSr )r )rrCr r rrrz#Polygon.__new__..)holesz,Invalid values passed to Polygon constructor)r rrrr r#Zpolygonsr")r$shellrSr&r r rr's    zPolygon.__new__cCs t|Sr )r Zget_exterior_ringr*r r rexteriorszPolygon.exteriorcCs|jr gSt|Sr )is_emptyr7r*r r r interiorsszPolygon.interiorscCs tddS)NzCComponent rings have coordinate sequences, but the polygon does not)NotImplementedErrorr*r r rrszPolygon.coordscCsJ|jtkrg}n*t|jjg}|jD]}|t|jq&dt|dS)Nrr()rUr r)rrWrJ)r$rholer r rr+s   zPolygon.__geo_interface__?cCs||jr dS|dur |jrdnd}|dur,d}dd|jjDg}dd|jD}d d d||D}d d ||||S) aReturns SVG path element for the Polygon geometry. Parameters ========== scale_factor : float Multiplication factor for the SVG stroke-width. 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