U e1@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__ TRADITIONALZ AUTHORITYrr?/tmp/pip-unpacked-wheel-lctamlir/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 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__5sT            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 >>> # For the units authority, have to use the pipe symbole. >>> print(srs['UNIT|AUTHORITY']) EPSG >>> print(srs['UNIT|AUTHORITY', 1]) # The authority value for the units 9122 N)rtuple attr_valuer'targetrrr __getitem__ts  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$rZget_attr_valuer r )r'r.indexrrrr,szSpatialReference.attr_valuecCst|j|dkr|nt|S)z;Return the authority name for the given string target node.N)rZ get_auth_namer r r-rrr auth_nameszSpatialReference.auth_namecCst|j|dkr|nt|S)z;Return the authority code for the given string target node.N)rZ get_auth_coder r r-rrr auth_codeszSpatialReference.auth_codecCstt|j|jdS)z/Return a clone of this SpatialReference object.)r)rrZ clone_srsr rr1rrrcloneszSpatialReference.clonecCst|jdS)z7Morph this SpatialReference from ESRI's format to EPSG.N)rZmorph_from_esrir r1rrr from_esriszSpatialReference.from_esricCst|jdS)z This method inspects the WKT of this SpatialReference, and will add EPSG authority nodes where an EPSG identifier is applicable. N)r identify_epsgr r1rrrr8szSpatialReference.identify_epsgcCst|jdS)z-Morph this SpatialReference to ESRI's format.N)rZ morph_to_esrir r1rrrto_esriszSpatialReference.to_esricCst|jdS)z5Check to see if the given spatial reference is valid.N)rZ srs_validater r1rrrvalidateszSpatialReference.validatecCs8|jr|dS|jr |dS|jr0|dSdSdS)z*Return the name of this Spatial Reference.ZPROJCSZGEOGCSZLOCAL_CSN) projectedr, geographiclocalr1rrrnames   zSpatialReference.namec Cs2zt|jddWSttfk r,YdSXdS)z=Return the SRID of top-level authority, or None if undefined.N)r.)r#r5r$rr1rrrr(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?rArrrr@szSpatialReference.linear_unitscCst|jtt\}}|S)z%Return the name of the angular units.r angular_unitsr rrrArrr angular_nameszSpatialReference.angular_namecCst|jtt\}}|S)z&Return the value of the angular units.rDrArrrrEszSpatialReference.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=rr@r rrr<rEr rArrrrBs zSpatialReference.unitscCs|j|j|jfS)z Return a tuple of the ellipsoid parameters: (semimajor axis, semiminor axis, and inverse flattening) ) semi_major semi_minorinverse_flatteningr1rrr ellipsoidszSpatialReference.ellipsoidcCst|jttS)z6Return the Semi Major Axis for this Spatial Reference.)rrGr rrr1rrrrGszSpatialReference.semi_majorcCst|jttS)z6Return the Semi Minor Axis for this Spatial Reference.)rrHr rrr1rrrrH szSpatialReference.semi_minorcCst|jttS)z9Return the Inverse Flattening for this Spatial Reference.)rZ invflatteningr rrr1rrrrIsz#SpatialReference.inverse_flatteningcCstt|jS)zd Return True if this SpatialReference is geographic (root node is GEOGCS). )boolrZ isgeographicr r1rrrr<szSpatialReference.geographiccCstt|jS)zFReturn True if this SpatialReference is local (root node is LOCAL_CS).)rKrZislocalr r1rrrr= szSpatialReference.localcCstt|jS)zw Return True if this SpatialReference is a projected coordinate system (root node is PROJCS). )rKrZ isprojectedr r1rrrr;%szSpatialReference.projectedcCst|j|dS)z=Import the Spatial Reference from the EPSG code (an integer).N)rZ from_epsgr )r'rrrrr&.szSpatialReference.import_epsgcCst|j|dS)z0Import the Spatial Reference from a PROJ string.N)rZ from_projr )r'projrrr import_proj2szSpatialReference.import_projcCst|jt|dS)z>Import the Spatial Reference from the given user input string.N)rZfrom_user_inputr r )r'Z user_inputrrrr%6sz"SpatialReference.import_user_inputcCst|jttt|dS)z2Import the Spatial Reference from OGC WKT (string)N)rZfrom_wktr rrr )r'rrrrr!:szSpatialReference.import_wktcCst|j|dS)z0Import the Spatial Reference from an XML string.N)rZfrom_xmlr )r'xmlrrr import_xml>szSpatialReference.import_xmlcCst|jttS)z8Return the WKT representation of this Spatial Reference.)rZto_wktr rrr1rrrrCszSpatialReference.wktcCst|jtt|S)z.Return the 'pretty' representation of the WKT.)rZ to_pretty_wktr rr)r'Zsimplifyrrrr0HszSpatialReference.pretty_wktcCst|jttS)z:Return the PROJ representation for this Spatial Reference.)rZto_projr rrr1rrrrLMszSpatialReference.projcCs|jS)zAlias for proj().)rLr1rrrproj4RszSpatialReference.proj4cCst|jttt|S)z8Return the XML representation of this Spatial Reference.)rZto_xmlr rrr )r'dialectrrrrNWszSpatialReference.xml)rrN)r)r)r)+rrr__doc__rZ release_srs destructorr*r/r2r,r4r5r6r7r8r9r:propertyr>r(rCr@rFrErBrJrGrHrIr<r=r;r&rMr%r!rOrr0rLrPrNrrrrr,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$rZnew_ctZ_ptrr r> _srs1_name _srs2_name)r'sourcer.rrrr*as zCoordTransform.__init__cCsd|j|jfS)NzTransform from "%s" to "%s")rVrWr1rrrr2kszCoordTransform.__str__N) rrrrRrZ destroy_ctrSr*r2rrrrrU]s rUN)rRctypesrrrenumrZdjango.contrib.gis.gdal.baserZdjango.contrib.gis.gdal.errorrZdjango.contrib.gis.gdal.libgdalrZ"django.contrib.gis.gdal.prototypesr rZdjango.utils.encodingr r r rrUrrrrs     3