ó i4Vdc@s\ddlZddlmZddlmZddlmZedefd„ƒYƒZdS(iÿÿÿÿN(tgdal(tsix(tpython_2_unicode_compatibletSpatialRefSysMixincBseZdZejdƒZejdƒZed„ƒZed„ƒZ ed„ƒZ ed„ƒZ ed„ƒZ ed„ƒZ ed „ƒZed „ƒZed „ƒZed „ƒZed „ƒZed„ƒZed„ƒZed„ƒZeed„ƒZd„ZRS(s~ The SpatialRefSysMixin is a class used by the database-dependent SpatialRefSys objects to reduce redundant code. sO.+SPHEROID\[\"(?P.+)\",(?P\d+(\.\d+)?),(?P\d{3}\.\d+),s×.+UNIT ?\["(?P[\w \'\(\)]+)", ?(?P[\d\.]+)(,AUTHORITY\["(?P[\w \'\(\)]+)","(?P\d+)"\])?\]([\w ]+)?(,AUTHORITY\["(?P[\w \'\(\)]+)","(?P\d+)"\])?\]$cCs½tjr­t|dƒr%|jjƒSy tj|jƒ|_|jSWntk rZ}nXy tj|j ƒ|_|jSWntk r}nXtd|j|fƒ‚n tdƒ‚dS(sO Returns a GDAL SpatialReference object, if GDAL is installed. t_srss9Could not get OSR SpatialReference from WKT: %s Error: %ssGDAL is not installed.N( RtHAS_GDALthasattrRtclonetSpatialReferencetwkttsrst Exceptiont proj4text(tselftmsg((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyR s    cCs^tjr|jjS|jj|jƒ}|rVt|jdƒƒt|jdƒƒfSdSdS(s€ Returns a tuple of the ellipsoid parameters: (semimajor axis, semiminor axis, and inverse flattening). tmajort flatteningN( RRR t ellipsoidtspheroid_regextmatchR tfloattgrouptNone(R tm((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyR=s   (cCs |jjS(sReturns the projection name.(R tname(R ((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyRLscCs |jdS(s5Returns the spheroid name for this spatial reference.tspheroid(R (R ((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyRQscCs |jdS(s-Returns the datum for this spatial reference.tdatum(R (R ((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyRVscCs'tjr|jjS|jjdƒSdS(s$Is this Spatial Reference projected?tPROJCSN(RRR t projectedR t startswith(R ((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyR[s  cCs'tjr|jjS|jjdƒSdS(s Is this Spatial Reference local?tLOCAL_CSN(RRR tlocalR R(R ((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyRcs  cCs'tjr|jjS|jjdƒSdS(s%Is this Spatial Reference geographic?tGEOGCSN(RRR t geographicR R(R ((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyR!ks  cCsFtjr|jjS|jr dS|jj|jƒ}|j dƒSdS(sReturns the linear units name.t unit_nameN( RRR t linear_nameR!Rt units_regexRR R(R R((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyR#ss    cCsFtjr|jjS|jr dS|jj|jƒ}|j dƒSdS(sReturns the linear units.tunitN( RRR t linear_unitsR!RR$RR R(R R((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyR&~s    cCsFtjr|jjS|jr dS|jj|jƒ}|j dƒSdS(s&Returns the name of the angular units.R"N( RRR t angular_nameRRR$RR R(R R((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyR'‰s    cCsFtjr|jjS|jr dS|jj|jƒ}|j dƒSdS(sReturns the angular units.R%N( RRR t angular_unitsRRR$RR R(R R((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyR(”s    cCsC|js|jr"|j|jfS|jr;|j|jfSdSdS(s*Returns a tuple of the units and the name.N(NN(RRR&R#R!R(R'R(R ((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pytunitsŸs  cCsKtjrtj|ƒjS|jj|ƒ}|jdƒ|jdƒfSdS(s° Class method used by GeometryField on initialization to retrieve the units on the given WKT, without having to use any of the database fields. R%R"N(RRRR)R$RR(tclsR R((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyt get_units©s c Csátjr.tj|ƒ}|j}|d}nX|jj|ƒ}|r‚t|jdƒƒt|jdƒƒf}|jdƒ}nd S|s–||fSt |ƒdkrÀ|d|d}}n |\}}d|||fSd S( sŒ Class method used by GeometryField on initialization to retrieve the `SPHEROID[..]` parameters from the given WKT. RRRRiiisSPHEROID["%s",%s,%s]N( RRRRRRRRRtlen( R*R tstringR t sphere_paramst sphere_nameRtradiusR((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyt get_spheroid¶s   *  cCs9ytj|jƒSWntk r4tj|jƒSXdS(sp Returns the string representation. If GDAL is installed, it will be 'pretty' OGC WKT. N(Rt text_typeR R R (R ((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyt__str__Òs (t__name__t __module__t__doc__tretcompileRR$tpropertyR RRRRRRR!R#R&R'R(R)t classmethodR+tTrueR1R3(((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyRs*       ( R7tdjango.contrib.gisRt django.utilsRtdjango.utils.encodingRtobjectR(((sx/var/www/html/phendo-backend/phendo_python/env/lib/python2.7/site-packages/django/contrib/gis/db/backends/base/models.pyts