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fix geometry that has been invalidated by rounding before saving it

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Laura Klünder 2017-09-21 16:10:01 +02:00
parent 1f977ca9e6
commit d494a59d6d
1 changed files with 5 additions and 1 deletions
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6
src/c3nav/mapdata/fields.py
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@ -76,7 +76,11 @@ class GeometryField(models.TextField):
if value is None: if value is None:
return None return None
self._validate_geomtype(value, exception=TypeError) self._validate_geomtype(value, exception=TypeError)
return json.dumps(format_geojson(mapping(value))) json_value = format_geojson(mapping(value))
rounded_value = shape(json_value)
if not rounded_value.is_valid:
json_value = format_geojson(mapping(rounded_value.buffer(0)))
return json.dumps(json_value)
class JSONField(models.TextField): class JSONField(models.TextField):