def save_route():
"""
saves the route
:return:
"""
data = request.json
geom = data.get("polyline")
user_id = data.get("user_id")
linestring = LineString([(g.get("lng"), g.get("lat")) for g in geom])
Route.update_geometry(app.db, user_id, linestring)
return json.dumps({'status': 'OK'})
def data():
"""Returns all data as a GoeJSON list.
"""
routes = Route.all(app.db)
features = []
for route in routes:
geojson = json.loads(db.session.scalar(func.ST_AsGeoJSON(route.geom)))
features.append(
{'geometry': geojson,
'properties': {'guid': route.guid,
'user_id': route.user_id}
}
)
dd = {"type": "FeatureCollection",
"crs": { "type": "name",
"properties": {
"name": "urn:ogc:def:crs:OGC:1.3:CRS84"
}
},
'features': features,
}
return jsonify(dd)
def cfg(user_id, config_id):
route = Route.get_route_by_user_id(db, user_id)
routr_config = app.routr_config
if config_id == 'None':
j = {}
else:
cfg = routr_config.get_config(config_id)
j = {
'config':
{'center':
{
'lat': cfg.get("load_location").get('lat'),
'lng': cfg.get("load_location").get('lng')
},
'zoom': cfg.get("load_location").get('zoom'),
'zoom_limits': {'from': cfg.get("zoom_limits").get('from'),
'to': cfg.get("zoom_limits").get('to')}
}
}
if 'destination' in cfg:
j['config']['destination'] = cfg.get("destination")
if 'origin' in cfg:
j['config']['origin'] = cfg.get("origin")
if route:
coords = route.geo().get('coordinates')
coords = [c for c in coords]
j['geom'] = coords
return jsonify(j)
def routes_geojson():
"""
:return: Returns a dict containing the bundaries of the table and a list of guids of the routes.
{
"bounds": [
10.26912689208984,
63.38337070759972,
10.45074462890625,
63.4445238395574
],
"guids": [
"75ab78e8-63a5-459a-b580-61f67c45db94",
"f82d1581-2649-4fbb-8716-270da989538c",
"01407688-2237-4f87-ba66-697097517cbc",
"d25184ca-a76a-4e52-b474-aadc80d26626"
]
}
"""
return jsonify(
{
'bounds': Route.get_bounds(app.db),
'guids': [r.guid for r in Route.all(app.db)]
})
def routes_qgis():
bounds = Route.get_bounds(app.db)
# datasource = "http://trondheim.routr.dk/data"
datasource = "http://127.0.0.1:5000/data"
rt = render_template('routes.qgs',
datasource = datasource,
xmin = bounds[0],
ymin = bounds[1],
xmax = bounds[2],
ymax = bounds[3]
)
response= make_response(rt)
response.headers["Content-Type"] = "application/x-qgis-project"
return response
def route_route_guid_geojson(route_guid):
return jsonify(Route.get_route_by_guid(app.db, route_guid).geo())