ó ®â0_c@s¨dZddlmZmZmZddlmZddlmZddl m Z ddl m Z ddlmZmZdefd „ƒYZd efd „ƒYZd S( sh 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 iÿÿÿÿ(tbyreftc_char_ptc_int(tGDALBase(t SRSException(tsrs(tsix(t force_bytest force_texttSpatialReferencecBsÓeZdZejZddd„Zd„Zd„Zdd„Z d„Z d „Z d „Z d „Z d „Zd „Zd„Zed„ƒZed„ƒZed„ƒZed„ƒZed„ƒZed„ƒZed„ƒZed„ƒZed„ƒZed„ƒZed„ƒZed„ƒZed„ƒZed„ƒZd„Z d„Z!d„Z"d „Z#d!„Z$ed"„ƒZ%edd#„ƒZ&ed$„ƒZ'ed%„ƒZ(edd&„ƒZ)RS('sê 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." ttusercCsR|dkr5tjtdƒƒ|_|j|ƒdSt|tjƒrxyt|ƒ}d|}WqÄt k rtqÄXnLt|tj ƒr“d}n1t||j ƒr´|}d}nt d|ƒ‚|dkrÙ|}ntdƒ}tj|ƒ}|s t d|ƒ‚n ||_|d kr2|j|ƒn|dkrN|j|ƒndS( s' Creates 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'). twktR NsEPSG:%dtepsgtogrsInvalid SRS type "%s"s+Could not create spatial reference from: %sR (tcapitnew_srsRtptrt import_wktt isinstanceRt string_typestintt ValueErrort integer_typestptr_typet TypeErrorRtimport_user_inputt import_epsg(tselft srs_inputtsrs_typetsridRtbuf((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyt__init__.s6            cCs-t|tƒr|j|ŒS|j|ƒSdS(sˆ Returns 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(Rttuplet attr_value(Rttarget((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyt __getitem___s cCs|jS(s,The string representation uses 'pretty' WKT.(t pretty_wkt(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyt__str__{sicCsHt|tjƒ s#t|tƒ r,t‚ntj|jt|ƒ|ƒS(sš The attribute value for the given target node (e.g. 'PROJCS'). The index keyword specifies an index of the child node to return. ( RRRRRRtget_attr_valueRR(RR$tindex((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR#€s# cCstj|jt|ƒƒS(s<Returns the authority name for the given string target node.(Rt get_auth_nameRR(RR$((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyt auth_name‰scCstj|jt|ƒƒS(s<Returns the authority code for the given string target node.(Rt get_auth_codeRR(RR$((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyt auth_codescCsttj|jƒƒS(s0Returns a clone of this SpatialReference object.(R Rt clone_srsR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pytclone‘scCstj|jƒdS(s8Morphs this SpatialReference from ESRI's format to EPSG.N(Rtmorph_from_esriR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyt from_esri•scCstj|jƒdS(sš This method inspects the WKT of this SpatialReference, and will add EPSG authority nodes where an EPSG identifier is applicable. N(Rt identify_epsgR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR2™scCstj|jƒdS(s.Morphs this SpatialReference to ESRI's format.N(Rt morph_to_esriR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pytto_esri scCstj|jƒdS(s6Checks to see if the given spatial reference is valid.N(Rt srs_validateR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pytvalidate¤scCsJ|jr|jdƒS|jr,|jdƒS|jrB|jdƒSdSdS(s+Returns the name of this Spatial Reference.tPROJCStGEOGCStLOCAL_CSN(t projectedR#t geographictlocaltNone(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pytname©s      cCs9yt|jddƒƒSWnttfk r4dSXdS(s>Returns the SRID of top-level authority, or None if undefined.t AUTHORITYiN(RR#RRR=(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyRµscCs(tj|jttƒƒƒ\}}|S(s%Returns the name of the linear units.(Rt linear_unitsRRR(RtunitsR>((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyt linear_name¾s$cCs(tj|jttƒƒƒ\}}|S(s&Returns the value of the linear units.(RR@RRR(RRAR>((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR@Äs$cCs(tj|jttƒƒƒ\}}|S(s&Returns the name of the angular units.(Rt angular_unitsRRR(RRAR>((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyt angular_nameÊs$cCs(tj|jttƒƒƒ\}}|S(s'Returns the value of the angular units.(RRCRRR(RRAR>((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyRCÐs$cCsšd\}}|js|jrEtj|jttƒƒƒ\}}n0|jrutj |jttƒƒƒ\}}n|dk rt |ƒ}n||fS(s« Returns a 2-tuple of the units value and the units name, and will automatically determines whether to return the linear or angular units. N(NN( R=R:R<RR@RRRR;RCR(RRAR>((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyRAÖs ' ' cCs|j|j|jfS(s€ Returns a tuple of the ellipsoid parameters: (semimajor axis, semiminor axis, and inverse flattening) (t semi_majort semi_minortinverse_flattening(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyt ellipsoidçscCstj|jttƒƒƒS(s7Returns the Semi Major Axis for this Spatial Reference.(RRERRR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyREïscCstj|jttƒƒƒS(s7Returns the Semi Minor Axis for this Spatial Reference.(RRFRRR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyRFôscCstj|jttƒƒƒS(s:Returns the Inverse Flattening for this Spatial Reference.(Rt invflatteningRRR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyRGùscCsttj|jƒƒS(se Returns True if this SpatialReference is geographic (root node is GEOGCS). (tboolRt isgeographicR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR;ÿscCsttj|jƒƒS(sGReturns True if this SpatialReference is local (root node is LOCAL_CS).(RJRtislocalR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR<scCsttj|jƒƒS(sx Returns True if this SpatialReference is a projected coordinate system (root node is PROJCS). (RJRt isprojectedR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR: scCstj|j|ƒdS(s>Imports the Spatial Reference from the EPSG code (an integer).N(Rt from_epsgR(RR ((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyRscCstj|j|ƒdS(s3Imports the Spatial Reference from a PROJ.4 string.N(Rt from_projR(Rtproj((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyt import_projscCstj|jt|ƒƒdS(s?Imports the Spatial Reference from the given user input string.N(Rtfrom_user_inputRR(Rt user_input((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyRscCs)tj|jttt|ƒƒƒƒdS(s3Imports the Spatial Reference from OGC WKT (string)N(Rtfrom_wktRRRR(RR ((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR!scCstj|j|ƒdS(s1Imports the Spatial Reference from an XML string.N(Rtfrom_xmlR(Rtxml((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyt import_xml%scCstj|jttƒƒƒS(s9Returns the WKT representation of this Spatial Reference.(Rtto_wktRRR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR *scCstj|jttƒƒ|ƒS(s/Returns the 'pretty' representation of the WKT.(Rt to_pretty_wktRRR(Rtsimplify((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR&/scCstj|jttƒƒƒS(s=Returns the PROJ.4 representation for this Spatial Reference.(Rtto_projRRR(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyRP4scCs|jS(sAlias for proj().(RP(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pytproj49scCs%tj|jttƒƒt|ƒƒS(s9Returns the XML representation of this Spatial Reference.(Rtto_xmlRRRR(Rtdialect((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyRV>s(*t__name__t __module__t__doc__Rt release_srst destructorR!R%R'R#R+R-R/R1R2R4R6tpropertyR>RRBR@RDRCRARHRERFRGR;R<R:RRQRRRWR R&RPR\RV(((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR &sN 1                tCoordTransformcBs)eZdZejZd„Zd„ZRS(s,The coordinate system transformation object.cCsft|tƒ s t|tƒ r/tdƒ‚ntj|j|jƒ|_|j|_|j|_ dS(s<Initializes on a source and target SpatialReference objects.s2source and target must be of type SpatialReferenceN( RR RRtnew_ctt_ptrRR>t _srs1_namet _srs2_name(RtsourceR$((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR!Hs   cCsd|j|jfS(NsTransform from "%s" to "%s"(RhRi(R((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyR'Ps(R_R`RaRt destroy_ctRcR!R'(((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pyReDs  N(RatctypesRRRtdjango.contrib.gis.gdal.baseRtdjango.contrib.gis.gdal.errorRt"django.contrib.gis.gdal.prototypesRRt django.utilsRtdjango.utils.encodingRRR Re(((s=/tmp/pip-unpacked-wheel-BAJOf3/django/contrib/gis/gdal/srs.pytsÿ