o i@sddlmZGdddZdS))gdalc@seZdZdZeddZeddZeddZedd Zed d Z ed d Z eddZ eddZ eddZ eddZeddZeddZeddZeddZed$dd Zd!d"Zd#S)%SpatialRefSysMixinz~ The SpatialRefSysMixin is a class used by the database-dependent SpatialRefSys objects to reduce redundant code. c Cst|dr |jSz t|j|_|jWSty)}z|}WYd}~nd}~wwz t|j|_|jWStyI}z|}WYd}~nd}~wwtd|j|f)z8 Return a GDAL SpatialReference object. _srsNz9Could not get OSR SpatialReference from WKT: %s Error: %s) hasattrrclonerSpatialReferencewktsrs Exception proj4text)selfemsgrj/var/www/html/formularioweb/env/lib/python3.10/site-packages/django/contrib/gis/db/backends/base/models.pyr s*  zSpatialRefSysMixin.srscC|jjS)z Return a tuple of the ellipsoid parameters: (semimajor axis, semiminor axis, and inverse flattening). )r ellipsoidr rrrr(szSpatialRefSysMixin.ellipsoidcCr)zReturn the projection name.)r namerrrrr0zSpatialRefSysMixin.namecC |jdS)z4Return the spheroid name for this spatial reference.spheroidr rrrrr5 zSpatialRefSysMixin.spheroidcCr)z,Return the datum for this spatial reference.datumrrrrrr:rzSpatialRefSysMixin.datumcCr)z$Is this Spatial Reference projected?)r projectedrrrrr?rzSpatialRefSysMixin.projectedcCr)z Is this Spatial Reference local?)r localrrrrrDrzSpatialRefSysMixin.localcCr)z%Is this Spatial Reference geographic?)r geographicrrrrrIrzSpatialRefSysMixin.geographiccCr)zReturn the linear units name.)r linear_namerrrrrNrzSpatialRefSysMixin.linear_namecCr)zReturn the linear units.)r linear_unitsrrrrrSrzSpatialRefSysMixin.linear_unitscCr)z%Return the name of the angular units.)r angular_namerrrrr XrzSpatialRefSysMixin.angular_namecCr)zReturn the angular units.)r angular_unitsrrrrr!]rz SpatialRefSysMixin.angular_unitscCs.|js|jr |j|jfS|jr|j|jfSdS)z)Return a tuple of the units and the name.)NN)rrrrrr!r rrrrunitsbs   zSpatialRefSysMixin.unitscCs t|jS)z Return a tuple of (unit_value, unit_name) for the given WKT without using any of the database fields. )rrr")clsrrrr get_unitsls zSpatialRefSysMixin.get_unitsTcCsZt|}|j}|d}|s||fSt|dkr"|d|d}}n|\}}d|||fS)z Class method used by GeometryField on initialization to retrieve the `SPHEROID[..]` parameters from the given WKT. rrzSPHEROID["%s",%s,%s])rrrlen)r#rstringr sphere_params sphere_nameradius flatteningrrr get_spheroidts  zSpatialRefSysMixin.get_spheroidcCs t|jS)zG Return the string representation, a 'pretty' OGC WKT. )strr rrrr__str__s zSpatialRefSysMixin.__str__N)T)__name__ __module__ __qualname____doc__propertyr rrrrrrrrrr r!r" classmethodr$r-r/rrrrrsB                rN)django.contrib.gisrrrrrrs