def set_geometria(obj):
gd = obj.row_dict['Geometria']
point = gd.get('Ponto')
point_as_area = gd.get('Ponto como área')
from_kml = gd.get(
'Identificador do polígono (KML)') if obj.kml_dicts else None
num_geometries = len([v for v in [point, point_as_area, from_kml] if v])
if num_geometries == 0:
return # nothing to do!
if num_geometries > 1:
msg = 'Mais de uma geometria definida. Defina somente a coluna "Ponto",'\
'ou "Ponto como Área", ou "Identificador do polígono (KML)"'
obj.errors.append(msg)
geodict = {'type': 'GeometryCollection', 'geometries': []}
try:
if point:
# FIXME: correct order is lat, lng. Before fixing must adjust the
# both in DB and in the map.
lng, lat = point.split(',')
lat, lng = float(lat), float(lng)
coords = [[lat, lng]]
geodict['geometries'] = [{
'type': 'MultiPoint',
'coordinates': coords
}]
elif point_as_area:
dt = 0.0005
lat, lng = point_as_area.split(',')
lat, lng = float(lat), float(lng)
# FIXME: correct order is lat, lng. Before fixing must adjust the
# both in DB and in the map.
aux = lng
lng = lat
lat = aux
coords = [[[lat + dt, lng + dt], [lat + dt, lng - dt],
[lat - dt, lng - dt], [lat - dt, lng + dt],
[lat + dt, lng + dt]]] # closes polygon
geodict['geometries'] = [{
'type': 'Polygon',
'coordinates': coords
}]
elif from_kml: # Polygon or MultiLineString
found = False
for kd in obj.kml_dicts:
if from_kml == kd['Identificador do polígono']:
found = True
if 'type' in kd['Geometria'] and \
kd['Geometria']['type'] == 'GeometryCollection':
if kd['Geometria']['geometries'][0][
'type'] == 'LineString':
# we got geometry collection with some linestrings
# lets crate a `MultiLineString` geometry
coords = [geom['coordinates'] \
for geom in kd['Geometria']['geometries']]
geodict['geometries'] = [{
'type': 'MultiLineString',
'coordinates':
coords # put many linestrings together
}]
else:
# if we dont got linestrings, assume that this is a polygon
coords = [geom['coordinates'][0] \
for geom in kd['Geometria']['geometries']]
geodict['geometries'] = [{
'type': 'Polygon',
'coordinates':
coords # put many polygons together
}]
else: # only 1 polygon
geodict['geometries'] = [kd['Geometria']['geometry']]
# FIXME: correct order is lat, lng. Before fixing must adjust
# both in DB and in the map.
def fixcoords(data):
if isinstance(data, list) and isinstance(
data[0], float):
# swap coords and chomp possible z axis.
return [data[1], data[0]]
if isinstance(data, list):
for i in range(len(data)):
data[i] = fixcoords(data[i])
if isinstance(data, dict):
for k, v in data.items():
data[k] = fixcoords(v)
return data
geodict = fixcoords(geodict)
break
if not found:
msg = 'Identificador do polígono não encontrado: {}'.format(
from_kml)
obj.errors.append(msg)
return
g = GeoRefModel()
geojson = json.dumps(geodict)
g.geometry = geojson
obj.object_dict['geometry'] = geojson
obj.object_dict[
'geometry_preview'] = point or point_as_area or from_kml or ''
except ValueError:
msg = 'Dado de geometria não é um número válido.'
obj.errors.append(msg)
except OGRException as e:
msg = 'Má formação da(s) coluna(s) de geometria.'
obj.errors.append(msg)
except GEOSException as e:
msg = 'Informação geométrica inconsistente.'
obj.errors.append(msg)
def set_geometria(obj):
gd = obj.row_dict['Geometria']
point = gd.get('Ponto')
point_as_area = gd.get('Ponto como área')
polygon = gd.get('Identificador do polígono (KML)') if obj.kml_dicts else None
num_geometries = len([v for v in [point, point_as_area, polygon] if v])
if num_geometries == 0:
return # nothing to do!
if num_geometries > 1:
msg = 'Mais de uma geometria definida. Defina somente a coluna "Ponto",'\
'ou "Ponto como Área", ou "Identificador do polígono (KML)"'
obj.errors.append(msg)
geodict = {
'type': 'GeometryCollection',
'geometries': []
}
try:
if point:
# FIXME: correct order is lat, lng. Before fixing must adjust the
# both in DB and in the map.
lng, lat = point.split(',')
lat, lng = float(lat), float(lng)
coords = [[lat, lng]]
geodict['geometries'] = [{
'type': 'MultiPoint',
'coordinates': coords
}]
elif point_as_area:
dt = 0.0005
lat, lng = point_as_area.split(',')
lat, lng = float(lat), float(lng)
# FIXME: correct order is lat, lng. Before fixing must adjust the
# both in DB and in the map.
aux = lng
lng = lat
lat = aux
coords = [[[lat+dt, lng+dt], [lat+dt, lng-dt],
[lat-dt, lng-dt], [lat-dt, lng+dt],
[lat+dt, lng+dt]]] # closes polygon
geodict['geometries'] = [{
'type': 'Polygon',
'coordinates': coords
}]
elif polygon:
found = False
for kd in obj.kml_dicts:
if polygon == kd['Identificador do polígono']:
found = True
if 'type' in kd['Geometria'] and \
kd['Geometria']['type'] == 'GeometryCollection':
coords = [geom['coordinates'][0] \
for geom in kd['Geometria']['geometries']]
geodict['geometries'] = [{
'type': 'Polygon',
'coordinates': coords # put many polygons together
}]
else: # only 1 polygon
geodict['geometries'] = [kd['Geometria']['geometry']]
# FIXME: correct order is lat, lng. Before fixing must adjust
# both in DB and in the map.
for geom in geodict['geometries']:
for poly in geom['coordinates']:
for i in xrange(len(poly)):
# iterate by index to edit object in place
poly[i] = [poly[i][1], poly[i][0]]
break
if not found:
msg = 'Identificador do polígono não encontrado: {}'.format(polygon)
obj.errors.append(msg)
return
g = GeoRefModel()
geojson = json.dumps(geodict)
g.geometry = geojson
obj.object_dict['geometry'] = geojson
obj.object_dict['geometry_preview'] = point or point_as_area or polygon or ''
# obj.object_dict['tooltip_map_preview'] = {
# 'type': 'FeatureCollection',
# 'features': [{
# 'type': 'Feature',
# 'geometry': geodict['geometries'][0],
# }],
# }
except ValueError:
msg = 'Dado de geometria não é um número válido.'
obj.errors.append(msg)
except OGRException as e:
msg = 'Má formação da(s) coluna(s) de geometria.'
obj.errors.append(msg)
def set_geometria(obj):
gd = obj.row_dict['Geometria']
point = gd.get('Ponto')
point_as_area = gd.get('Ponto como área')
from_kml = gd.get('Identificador do polígono (KML)') if obj.kml_dicts else None
num_geometries = len([v for v in [point, point_as_area, from_kml] if v])
if num_geometries == 0:
return # nothing to do!
if num_geometries > 1:
msg = 'Mais de uma geometria definida. Defina somente a coluna "Ponto",'\
'ou "Ponto como Área", ou "Identificador do polígono (KML)"'
obj.errors.append(msg)
geodict = {
'type': 'GeometryCollection',
'geometries': []
}
try:
if point:
# FIXME: correct order is lat, lng. Before fixing must adjust the
# both in DB and in the map.
lng, lat = point.split(',')
lat, lng = float(lat), float(lng)
coords = [[lat, lng]]
geodict['geometries'] = [{
'type': 'MultiPoint',
'coordinates': coords
}]
elif point_as_area:
dt = 0.0005
lat, lng = point_as_area.split(',')
lat, lng = float(lat), float(lng)
# FIXME: correct order is lat, lng. Before fixing must adjust the
# both in DB and in the map.
aux = lng
lng = lat
lat = aux
coords = [[[lat+dt, lng+dt], [lat+dt, lng-dt],
[lat-dt, lng-dt], [lat-dt, lng+dt],
[lat+dt, lng+dt]]] # closes polygon
geodict['geometries'] = [{
'type': 'Polygon',
'coordinates': coords
}]
elif from_kml: # Polygon or MultiLineString
found = False
for kd in obj.kml_dicts:
if from_kml == kd['Identificador do polígono']:
found = True
if 'type' in kd['Geometria'] and \
kd['Geometria']['type'] == 'GeometryCollection':
if kd['Geometria']['geometries'][0]['type'] == 'LineString':
# we got geometry collection with some linestrings
# lets crate a `MultiLineString` geometry
coords = [geom['coordinates'] \
for geom in kd['Geometria']['geometries']]
geodict['geometries'] = [{
'type': 'MultiLineString',
'coordinates': coords # put many linestrings together
}]
else:
# if we dont got linestrings, assume that this is a polygon
coords = [geom['coordinates'][0] \
for geom in kd['Geometria']['geometries']]
geodict['geometries'] = [{
'type': 'Polygon',
'coordinates': coords # put many polygons together
}]
else: # only 1 polygon
geodict['geometries'] = [kd['Geometria']['geometry']]
# FIXME: correct order is lat, lng. Before fixing must adjust
# both in DB and in the map.
def fixcoords(data):
if isinstance(data, list) and isinstance(data[0], float):
# swap coords and chomp possible z axis.
return [data[1], data[0]]
if isinstance(data, list):
for i in range(len(data)):
data[i] = fixcoords(data[i])
if isinstance(data, dict):
for k, v in data.items():
data[k] = fixcoords(v)
return data
geodict = fixcoords(geodict)
break
if not found:
msg = 'Identificador do polígono não encontrado: {}'.format(from_kml)
obj.errors.append(msg)
return
g = GeoRefModel()
geojson = json.dumps(geodict)
g.geometry = geojson
obj.object_dict['geometry'] = geojson
obj.object_dict['geometry_preview'] = point or point_as_area or from_kml or ''
except ValueError:
msg = 'Dado de geometria não é um número válido.'
obj.errors.append(msg)
except OGRException as e:
msg = 'Má formação da(s) coluna(s) de geometria.'
obj.errors.append(msg)
except GEOSException as e:
msg = 'Informação geométrica inconsistente.'
obj.errors.append(msg)