U 8T_A1@sdZddlmZmZmZddlmZddlmZddl m Z ddl m Z ddl mZddlmZmZGd d d eZGd d d eZGd ddeZdS)ah The Spatial Reference class, represents OGR Spatial Reference objects. Example: >>> from django.contrib.gis.gdal import SpatialReference >>> srs = SpatialReference('WGS84') >>> print(srs) GEOGCS["WGS 84", DATUM["WGS_1984", SPHEROID["WGS 84",6378137,298.257223563, AUTHORITY["EPSG","7030"]], TOWGS84[0,0,0,0,0,0,0], AUTHORITY["EPSG","6326"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.01745329251994328, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4326"]] >>> print(srs.proj) +proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs >>> print(srs.ellipsoid) (6378137.0, 6356752.3142451793, 298.25722356300003) >>> print(srs.projected, srs.geographic) False True >>> srs.import_epsg(32140) >>> print(srs.name) NAD83 / Texas South Central )byrefc_char_pc_int)IntEnum)GDALBase) SRSException) GDAL_VERSION)srs) force_bytes force_strc@seZdZdZdZdS) AxisOrderrN)__name__ __module__ __qualname__ TRADITIONAL AUTHORITYrr?/tmp/pip-unpacked-wheel-dv63caxw/django/contrib/gis/gdal/srs.pyr 'sr c@seZdZdZejZdLddZddZd d Z dMd d Z ddZ ddZ ddZ ddZddZddZddZeddZeddZed d!Zed"d#Zed$d%Zed&d'Zed(d)Zed*d+Zed,d-Zed.d/Zed0d1Zed2d3Zed4d5Zed6d7Z d8d9Z!d:d;Z"dd?Z$d@dAZ%edBdCZ&edNdDdEZ'edFdGZ(edHdIZ)edOdJdKZ*dS)PSpatialReferencez A wrapper for the OGRSpatialReference object. According to the GDAL Web site, the SpatialReference object "provide[s] services to represent coordinate systems (projections and datums) and to transform between them." userNcCst|tdtfstd|p"tj|_|dkrttd|_ | ||jtjkrnt dkrnt |j |jn"|jtjkrt dkrtd|jdSt|t rzt|}d|}Wqtk rYqXn2t|trd}n"t||jr|}d }n td ||d kr |}ntd}t|}|s2td |n||_ |jtjkrbt dkrbt |j |jn&|jtjkrt dkrtd|j|d kr||n|dkr||dS) a& Create a GDAL OSR Spatial Reference object from the given input. The input may be string of OGC Well Known Text (WKT), an integer EPSG code, a PROJ.4 string, and/or a projection "well known" shorthand string (one of 'WGS84', 'WGS72', 'NAD27', 'NAD83'). Nz:SpatialReference.axis_order must be an AxisOrder instance.wkt)rz"%s is not supported in GDAL < 3.0.zEPSG:%depsgZogrzInvalid SRS type "%s"z+Could not create spatial reference from: %sr) isinstancetyper ValueErrorr axis_ordercapiZnew_srsrptr import_wktrZset_axis_strategystrintZptr_type TypeErrorrimport_user_input import_epsg)selfZ srs_inputZsrs_typersridr bufrrr__init__4sP            zSpatialReference.__init__cCs"t|tr|j|S||SdS)a Return the value of the given string attribute node, None if the node doesn't exist. Can also take a tuple as a parameter, (target, child), where child is the index of the attribute in the WKT. For example: >>> wkt = 'GEOGCS["WGS 84", DATUM["WGS_1984, ... AUTHORITY["EPSG","4326"]]' >>> srs = SpatialReference(wkt) # could also use 'WGS84', or 4326 >>> print(srs['GEOGCS']) WGS 84 >>> print(srs['DATUM']) WGS_1984 >>> print(srs['AUTHORITY']) EPSG >>> print(srs['AUTHORITY', 1]) # The authority value 4326 >>> print(srs['TOWGS84', 4]) # the fourth value in this wkt 0 >>> print(srs['UNIT|AUTHORITY']) # For the units authority, have to use the pipe symbole. EPSG >>> print(srs['UNIT|AUTHORITY', 1]) # The authority value for the units 9122 N)rtuple attr_valuer(targetrrr __getitem__qs  zSpatialReference.__getitem__cCs|jS)zUse 'pretty' WKT.) pretty_wktr(rrr__str__szSpatialReference.__str__rcCs,t|trt|tstt|jt||S)z The attribute value for the given target node (e.g. 'PROJCS'). The index keyword specifies an index of the child node to return. )rr#r$r%r Zget_attr_valuer!r )r(r/indexrrrr-szSpatialReference.attr_valuecCst|jt|S)z;Return the authority name for the given string target node.)r Z get_auth_namer!r r.rrr auth_nameszSpatialReference.auth_namecCst|jt|S)z;Return the authority code for the given string target node.)r Z get_auth_coder!r r.rrr auth_codeszSpatialReference.auth_codecCstt|j|jdS)z/Return a clone of this SpatialReference object.)r)rr Z clone_srsr!rr2rrrcloneszSpatialReference.clonecCst|jdS)z7Morph this SpatialReference from ESRI's format to EPSG.N)r Zmorph_from_esrir!r2rrr from_esriszSpatialReference.from_esricCst|jdS)z This method inspects the WKT of this SpatialReference, and will add EPSG authority nodes where an EPSG identifier is applicable. N)r identify_epsgr!r2rrrr9szSpatialReference.identify_epsgcCst|jdS)z-Morph this SpatialReference to ESRI's format.N)r Z morph_to_esrir!r2rrrto_esriszSpatialReference.to_esricCst|jdS)z5Check to see if the given spatial reference is valid.N)r Z srs_validater!r2rrrvalidateszSpatialReference.validatecCs8|jr|dS|jr |dS|jr0|dSdSdS)z*Return the name of this Spatial Reference.ZPROJCSZGEOGCSZLOCAL_CSN) projectedr- geographiclocalr2rrrnames   zSpatialReference.namec Cs2zt|ddWSttfk r,YdSXdS)z=Return the SRID of top-level authority, or None if undefined.rr N)r$r-r%rr2rrrr)szSpatialReference.sridcCst|jtt\}}|S)z$Return the name of the linear units.r linear_unitsr!rrr(unitsr?rrr linear_nameszSpatialReference.linear_namecCst|jtt\}}|S)z%Return the value of the linear units.r@rBrrrrAszSpatialReference.linear_unitscCst|jtt\}}|S)z%Return the name of the angular units.r angular_unitsr!rrrBrrr angular_nameszSpatialReference.angular_namecCst|jtt\}}|S)z&Return the value of the angular units.rErBrrrrFszSpatialReference.angular_unitscCsdd\}}|js|jr.t|jtt\}}n|jrLt|jtt\}}|dk r\t |}||fS)z Return a 2-tuple of the units value and the units name. Automatically determine whether to return the linear or angular units. )NNN) r<r>r rAr!rrr=rFr rBrrrrCs zSpatialReference.unitscCs|j|j|jfS)z Return a tuple of the ellipsoid parameters: (semimajor axis, semiminor axis, and inverse flattening) ) semi_major semi_minorinverse_flatteningr2rrr ellipsoidszSpatialReference.ellipsoidcCst|jttS)z6Return the Semi Major Axis for this Spatial Reference.)r rHr!rrr2rrrrHszSpatialReference.semi_majorcCst|jttS)z6Return the Semi Minor Axis for this Spatial Reference.)r rIr!rrr2rrrrIszSpatialReference.semi_minorcCst|jttS)z9Return the Inverse Flattening for this Spatial Reference.)r Z invflatteningr!rrr2rrrrJ sz#SpatialReference.inverse_flatteningcCstt|jS)zd Return True if this SpatialReference is geographic (root node is GEOGCS). )boolr Z isgeographicr!r2rrrr=szSpatialReference.geographiccCstt|jS)zFReturn True if this SpatialReference is local (root node is LOCAL_CS).)rLr Zislocalr!r2rrrr>szSpatialReference.localcCstt|jS)zw Return True if this SpatialReference is a projected coordinate system (root node is PROJCS). )rLr Z isprojectedr!r2rrrr<szSpatialReference.projectedcCst|j|dS)z=Import the Spatial Reference from the EPSG code (an integer).N)r Z from_epsgr!)r(rrrrr'&szSpatialReference.import_epsgcCst|j|dS)z2Import the Spatial Reference from a PROJ.4 string.N)r Z from_projr!)r(projrrr import_proj*szSpatialReference.import_projcCst|jt|dS)z>Import the Spatial Reference from the given user input string.N)r Zfrom_user_inputr!r )r(Z user_inputrrrr&.sz"SpatialReference.import_user_inputcCst|jttt|dS)z2Import the Spatial Reference from OGC WKT (string)N)r Zfrom_wktr!rrr )r(rrrrr"2szSpatialReference.import_wktcCst|j|dS)z0Import the Spatial Reference from an XML string.N)r Zfrom_xmlr!)r(xmlrrr import_xml6szSpatialReference.import_xmlcCst|jttS)z8Return the WKT representation of this Spatial Reference.)r Zto_wktr!rrr2rrrr;szSpatialReference.wktcCst|jtt|S)z.Return the 'pretty' representation of the WKT.)r Z to_pretty_wktr!rr)r(Zsimplifyrrrr1@szSpatialReference.pretty_wktcCst|jttS)zr<r'rNr&r"rPrr1rMrQrOrrrrr,sp =                   rc@s&eZdZdZejZddZddZdS)CoordTransformz,The coordinate system transformation object.cCsBt|trt|tstdt|j|j|_|j|_|j|_ dS)z;Initialize on a source and target SpatialReference objects.z2source and target must be of type SpatialReferenceN) rrr%r Znew_ctZ_ptrr!r? _srs1_name _srs2_name)r(sourcer/rrrr+Ys zCoordTransform.__init__cCsd|j|jfS)NzTransform from "%s" to "%s")rWrXr2rrrr3aszCoordTransform.__str__N) rrrrSr Z destroy_ctrTr+r3rrrrrVUsrVN)rSctypesrrrenumrZdjango.contrib.gis.gdal.baserZdjango.contrib.gis.gdal.errorrZdjango.contrib.gis.gdal.libgdalrZ"django.contrib.gis.gdal.prototypesr r Zdjango.utils.encodingr r r rrVrrrrs     +