tykayn/oedb-backend
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add polyline geometry support

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This commit is contained in:
cquest 2016-07-28 16:10:03 +02:00
parent 0dd060ad02
commit 5bb208d98b
1 changed files with 8 additions and 0 deletions
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8
backend.py
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@ -183,6 +183,14 @@ class EventResource(BaseEvent):
dist = req.params['near'][2] dist = req.params['near'][2]
event_bbox = cur.mogrify(" AND ST_Intersects(geom, ST_Buffer(st_setsrid(st_makepoint(%s,%s),4326)::geography,%s)::geometry) ", (req.params['near'][0], req.params['near'][1], dist)).decode("utf-8") event_bbox = cur.mogrify(" AND ST_Intersects(geom, ST_Buffer(st_setsrid(st_makepoint(%s,%s),4326)::geography,%s)::geometry) ", (req.params['near'][0], req.params['near'][1], dist)).decode("utf-8")
event_dist = cur.mogrify("ST_Length(ST_ShortestLine(geom, st_setsrid(st_makepoint(%s,%s),4326))::geography)::integer as distance,", (req.params['near'][0], req.params['near'][1])).decode("utf-8") event_dist = cur.mogrify("ST_Length(ST_ShortestLine(geom, st_setsrid(st_makepoint(%s,%s),4326))::geography)::integer as distance,", (req.params['near'][0], req.params['near'][1])).decode("utf-8")
elif 'polyline' in req.params:
# use encoded polyline as search geometry
if 'buffer' in req.params:
buffer = float(req.params['buffer'])
else:
buffer = 1000
event_bbox = cur.mogrify(" AND ST_Intersects(geom, ST_Buffer(ST_SetSRID(ST_Scale(ST_LineFromEncodedPolyline(%s),0.1,0.1),4326)::geography, %s)::geometry) ",(req.params['polyline'], buffer)).decode("utf-8")
event_dist = cur.mogrify("ST_Length(ST_ShortestLine(geom, ST_SetSRID(ST_Scale(ST_LineFromEncodedPolyline(%s),0.1,0.1),4326))::geography)::integer as distance, ",(req.params['polyline'],)).decode("utf-8")
else: else:
event_bbox = "" event_bbox = ""
event_dist = "" event_dist = ""