| 1 | >>> from karrie.django.ogna.models import Project
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| 2 | >>> mz = Project.objects.get(name="Mainz")
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| 3 | >>> a_dist = Project.objects.distance(mz.center)
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| 4 | {'select_field': <django.contrib.gis.db.models.sql.conversion.DistanceField object at 0x34456d0>, 'procedure_fmt': '%(geo_col)s,%%s', 'setup': False, 'select_params': [<django.contrib.gis.db.backends.postgis.adapter.PostGISAdapter object at 0x3445750>], 'geo_field': <django.contrib.gis.db.models.fields.PointField: center>, 'procedure_args': {'function': 'ST_distance_sphere', 'geo_col': '"ogna_project"."center"', 'geom': <Point object at 0x311beb0>}, 'geom_args': ('geom',), 'geom_field': None, 'desc': None}
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| 5 | model_att: ST_distance_sphere("ogna_project"."center",%s)
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| 6 | select_params: [<django.contrib.gis.db.backends.postgis.adapter.PostGISAdapter object at 0x3445750>]
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| 7 | >>> a_dist[0].distance
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| 8 | Distance(m=84958.0635775)
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| 9 | >>> a_azimuth = Project.objects.azimuth(mz.center)
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| 10 | {'select_field': <django.contrib.gis.db.models.sql.conversion.GeomField object at 0x3445710>, 'procedure_fmt': '%(geo_col)s,%%s', 'select_params': [<django.contrib.gis.db.backends.postgis.adapter.PostGISAdapter object at 0x3465a10>], 'procedure_args': {'function': 'ST_Azimuth', 'geo_col': '"ogna_project"."center"', 'geom': <Point object at 0x311beb0>}, 'geom_args': ('geom',), 'desc': None, 'geom_field': None}
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| 11 | model_att: ST_Azimuth("ogna_project"."center",%s)
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| 12 | select_params: [<django.contrib.gis.db.backends.postgis.adapter.PostGISAdapter object at 0x3465a10>]
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| 13 | >>> a_azimuth[0].azimuth
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| 14 | Traceback (most recent call last):
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| 15 | File "<console>", line 1, in <module>
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| 16 | File "/usr/local/lib/python2.7/dist-packages/django/db/models/query.py", line 189, in __getitem__
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| 17 | return list(qs)[0]
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| 18 | IndexError: list index out of range
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| 19 | >>>
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