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- rename road_usage -> segments (as we're actually dealing with segments not with roads)
- use "select as" to ensure defined behaviour
- cleanup
This commit is contained in:
gluap 2023-05-29 13:20:34 +02:00
parent e1763e0d3c
commit da82303042
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5 changed files with 31 additions and 32 deletions
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55
api/obs/api/routes/exports.py
View file

@ -122,22 +122,22 @@ async def export_events(req):
raise InvalidUsage("unknown export format")
@api.get(r"/export/road_usage")
async def export_road_usage(req):
@api.get(r"/export/segments")
async def export_segments(req):
async with use_request_semaphore(req, "export_semaphore", timeout=30):
bbox = req.ctx.get_single_arg(
"bbox", default="-180,-90,180,90"
)
assert re.match(r"(-?\d+\.?\d+,?){4}", bbox)
fmt = req.ctx.get_single_arg("fmt", convert=ExportFormat)
events = await req.ctx.db.stream(
segments = await req.ctx.db.stream(
text(
f"select ST_AsGeoJSON(ST_Transform(geometry,4326)), way_id, distance_overtaker_mean, distance_overtaker_min,distance_overtaker_max,distance_overtaker_median,overtaking_event_count,usage_count,direction,zone,offset_direction,distance_overtaker_array from layer_obs_roads(ST_Transform(ST_MakeEnvelope({bbox},4326),3857),11,NULL,'1900-01-01'::timestamp,'2100-01-01'::timestamp) WHERE usage_count>0"
f"select ST_AsGeoJSON(ST_Transform(geometry,4326)) AS geometry, way_id, distance_overtaker_mean, distance_overtaker_min,distance_overtaker_max,distance_overtaker_median,overtaking_event_count,usage_count,direction,zone,offset_direction,distance_overtaker_array from layer_obs_roads(ST_Transform(ST_MakeEnvelope({bbox},4326),3857),11,NULL,'1900-01-01'::timestamp,'2100-01-01'::timestamp) WHERE usage_count>0"
)
)
if fmt == ExportFormat.SHAPEFILE:
with shapefile_zip(shape_type=3, basename="road_usage") as (writer, zip_buffer):
with shapefile_zip(shape_type=3, basename="segments") as (writer, zip_buffer):
writer.field("distance_overtaker_mean", "N", decimal=4)
writer.field("distance_overtaker_max", "N", decimal=4)
writer.field("distance_overtaker_min", "N", decimal=4)
@ -148,41 +148,40 @@ async def export_road_usage(req):
writer.field("direction", "N", decimal=0)
writer.field("zone", "C")
async for road in events:
geom = json.loads(road.st_asgeojson)
async for segment in segments:
geom = json.loads(segment.st_asgeojson)
writer.line([geom["coordinates"]])
writer.record(
distance_overtaker_mean=road.distance_overtaker_mean,
distance_overtaker_median=road.distance_overtaker_median,
distance_overtaker_max=road.distance_overtaker_max,
distance_overtaker_min=road.distance_overtaker_min,
usage_count=road.usage_count,
overtaking_event_count=road.overtaking_event_count,
direction=road.direction,
way_id=road.way_id,
zone=road.zone,
# "time"=event.time,
distance_overtaker_mean=segment.distance_overtaker_mean,
distance_overtaker_median=segment.distance_overtaker_median,
distance_overtaker_max=segment.distance_overtaker_max,
distance_overtaker_min=segment.distance_overtaker_min,
usage_count=segment.usage_count,
overtaking_event_count=segment.overtaking_event_count,
direction=segment.direction,
way_id=segment.way_id,
zone=segment.zone,
)
return raw(zip_buffer.getbuffer())
if fmt == ExportFormat.GEOJSON:
features = []
async for road in events:
async for segment in segments:
features.append(
{
"type": "Feature",
"geometry": json.loads(road.st_asgeojson),
"geometry": json.loads(segment.geometry),
"properties": {
"distance_overtaker_mean": road.distance_overtaker_mean,
"distance_overtaker_max": road.distance_overtaker_max,
"distance_overtaker_median": road.distance_overtaker_median,
"overtaking_event_count": road.overtaking_event_count,
"usage_count": road.usage_count,
"distance_overtaker_array": road.distance_overtaker_array,
"direction": road.direction,
"way_id": road.way_id,
"zone": road.zone,
"distance_overtaker_mean": segment.distance_overtaker_mean,
"distance_overtaker_max": segment.distance_overtaker_max,
"distance_overtaker_median": segment.distance_overtaker_median,
"overtaking_event_count": segment.overtaking_event_count,
"usage_count": segment.usage_count,
"distance_overtaker_array": segment.distance_overtaker_array,
"direction": segment.direction,
"way_id": segment.way_id,
"zone": segment.zone,
},
}
)

2
frontend/src/pages/ExportPage/index.tsx
View file

@ -104,7 +104,7 @@ const BoundingBoxSelector = React.forwardRef(
}
);
const MODES = ["events", "road_usage"];
const MODES = ["events", "segments"];
const FORMATS = ["geojson", "shapefile"];
export default function ExportPage() {

2
frontend/src/translations/de.yaml
View file

@ -95,7 +95,7 @@ ExportPage:
label: Modus
placeholder: Modus wählen
events: Überholvorgänge
road_usage: Straßennutzung
segments: Straßenstatistiken
format:
label: Format
placeholder: Format wählen

2
frontend/src/translations/en.yaml
View file

@ -101,7 +101,7 @@ ExportPage:
label: Mode
placeholder: Select mode
events: Events
road_usage: Road usage
segments: Road statistics
format:
label: Format
placeholder: Select format

2
frontend/src/translations/fr.yaml
View file

@ -102,7 +102,7 @@ ExportPage:
label: Mode
placeholder: Sélectionner un mode
events: Evénements
road_usage: Utilisation des rues
segments: Statistiques des rues
format:
label: Format
placeholder: Sélectionner un format