#8881: LayerMapping Error with more than two fields geometry
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Reporter: [EMAIL PROTECTED] | Owner: jbronn
Status: new | Milestone: post-1.0
Component: GIS | Version: 1.0-beta-1
Resolution: | Keywords: gis layermapping
Stage: Unreviewed | Has_patch: 0
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Changes (by jbronn):
* keywords: => gis layermapping
* owner: nobody => jbronn
Old description:
> If my models have a two o more fields of type geometry:
> class Lugares(models.Model) :
> nombre = models.CharField(max_length=80)
> punto = models.MultiPointField(null=True, blank=True, srid=4326)
> poligono = models.MultiPolygonField(null=True, blank=True, srid=4326)
> objects =models.GeoManager()
>
>
> lm=LayerMapping(Lugares,'/home/woakas/nuevo.shp',
> mapping,unique={'poligono':'POLYGON','tipolugar':'Ciudad'})
> ---------------------------------------------------------------------------
> LayerMapError Traceback (most recent call
> last)
>
> /home/woakas/mig/Migtrace/trunk/src/<ipython console> in <module>()
>
> /usr/lib/python2.5/site-packages/django/contrib/gis/utils/layermapping.py
> in __init__(self, model, data, mapping, layer, source_srs, encoding,
> transaction_mode, transform, unique)
> 186 # geometry column).
> 187 self.model = model
> --> 188 self.geo_col = self.geometry_column()
> 189
> 190 # Checking the source spatial reference system, and
> getting
>
> /usr/lib/python2.5/site-packages/django/contrib/gis/utils/layermapping.py
> in geometry_column(self)
> 516 return GeometryColumns.objects.get(**gc_kwargs)
> 517 except Exception, msg:
> --> 518 raise LayerMapError('Geometry column does not exist
> for model. (did you run syncdb?):\n %s' % msg)
> 519
> 520 def make_multi(self, geom_type, model_field):
>
> LayerMapError: Geometry column does not exist for model. (did you run
> syncdb?):
> get() returned more than one GeometryColumns -- it returned 2! Lookup
> parameters were {'f_table_name': 'migtrace_lugares'}
New description:
If my models have two or more geometry fields:
{{{
class Lugares(models.Model) :
nombre = models.CharField(max_length=80)
punto = models.MultiPointField(null=True, blank=True, srid=4326)
poligono = models.MultiPolygonField(null=True, blank=True, srid=4326)
objects =models.GeoManager()
lm=LayerMapping(Lugares,'/home/woakas/nuevo.shp',
mapping,unique={'poligono':'POLYGON','tipolugar':'Ciudad'})
}}}
{{{
LayerMapError Traceback (most recent call
last)
/home/woakas/mig/Migtrace/trunk/src/<ipython console> in <module>()
/usr/lib/python2.5/site-packages/django/contrib/gis/utils/layermapping.py
in __init__(self, model, data, mapping, layer, source_srs, encoding,
transaction_mode, transform, unique)
186 # geometry column).
187 self.model = model
--> 188 self.geo_col = self.geometry_column()
189
190 # Checking the source spatial reference system, and
getting
/usr/lib/python2.5/site-packages/django/contrib/gis/utils/layermapping.py
in geometry_column(self)
516 return GeometryColumns.objects.get(**gc_kwargs)
517 except Exception, msg:
--> 518 raise LayerMapError('Geometry column does not exist
for model. (did you run syncdb?):\n %s' % msg)
519
520 def make_multi(self, geom_type, model_field):
LayerMapError: Geometry column does not exist for model. (did you run
syncdb?):
get() returned more than one GeometryColumns -- it returned 2! Lookup
parameters were {'f_table_name': 'migtrace_lugares'}
}}}
--
Ticket URL: <http://code.djangoproject.com/ticket/8881#comment:3>
Django Code <http://code.djangoproject.com/>
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