def metersFromHome(config, user, lng, lat):
locs = readGoogleMapsLocations(config['userMap'][str(user)])['places']
for name, pt in locs:
if name == 'home':
break
else:
raise ValueError("unknown 'home' location for %s" % user)
_, _, m = geod.inv(lng, lat, pt[1], pt[0])
return m
def metersFromHome(config, user, lng, lat):
locs = readGoogleMapsLocations(config['userMap'][str(user)])['places']
for name, pt in locs:
if name == 'home':
break
else:
raise ValueError("unknown 'home' location for %s" % user)
_, _, m = geod.inv(lng, lat, pt[1], pt[0])
return m
def mapImage(mongo, width=320, height=320, history=10):
surf, ctx = makeSurf(width, height)
mongo.ensure_index([('timestamp', -1)])
rows = list(mongo.find().sort('timestamp', -1).limit(history))
points = []
for row in rows:
points.append((row['longitude'], row['latitude']))
locs = readGoogleMapsLocations()
coord = Coord(surf, points, locs)
prevRow = None
path = []
color = None
for age, row in enumerate(rows):
pos = coord.screenFromWorld(row['longitude'], row['latitude'])
if color is None:
color = randColor(row['user'])
dot(ctx, pos, 3, 0, color, (0,0,0))
if (prevRow and (
(abs(row['timestamp'] - prevRow['timestamp']) > 10*60*1000) or
(row['user'] != prevRow['user'])
)):
drawPath(ctx, surf, color, age, path)
path = []
color = None
path.append(pos)
prevRow = row
if color:
drawPath(ctx, surf, color, age, path)
drawLocations(coord, ctx, locs)
people = []
seen = set()
for row in rows:
if row['user'] in seen:
continue
drawPerson(coord, ctx, row['user'], row['longitude'], row['latitude'], people)
seen.add(row['user'])
return toPng(surf)
def mapImage(mongo, width=320, height=320, history=10):
surf, ctx = makeSurf(width, height)
mongo.ensure_index([('timestamp', -1)])
rows = list(mongo.find().sort('timestamp', -1).limit(history))
points = []
for row in rows:
points.append((row['longitude'], row['latitude']))
locs = readGoogleMapsLocations()
coord = Coord(surf, points, locs)
prevRow = None
path = []
color = None
for age, row in enumerate(rows):
pos = coord.screenFromWorld(row['longitude'], row['latitude'])
if color is None:
color = randColor(row['user'])
dot(ctx, pos, 3, 0, color, (0, 0, 0))
if (prevRow and
((abs(row['timestamp'] - prevRow['timestamp']) > 10 * 60 * 1000) or
(row['user'] != prevRow['user']))):
drawPath(ctx, surf, color, age, path)
path = []
color = None
path.append(pos)
prevRow = row
if color:
drawPath(ctx, surf, color, age, path)
drawLocations(coord, ctx, locs)
people = []
seen = set()
for row in rows:
if row['user'] in seen:
continue
drawPerson(coord, ctx, row['user'], row['longitude'], row['latitude'],
people)
seen.add(row['user'])
return toPng(surf)
def closestTarget(config, lng, lat, user):
"""name and meters to the closest known target"""
mapId = config['userMap'][user]
locations = readGoogleMapsLocations(mapId)['places']
closest = (None, 0)
for name, target in locations:
try:
_, _, dist = geod.inv(lng, lat, target[1], target[0])
except ValueError:
eps = .0001 # not sure how close Geod breaks
if (abs(lng - target[1]) < eps and abs(lat - target[0]) < eps):
return name, 0
else:
raise
if closest[0] is None or dist < closest[1]:
closest = name, dist
return closest
def closestTarget(config, lng, lat, user):
"""name and meters to the closest known target"""
mapId = config['userMap'][user]
locations = readGoogleMapsLocations(mapId)['places']
closest = (None, 0)
for name, target in locations:
try:
_, _, dist = geod.inv(lng, lat, target[1], target[0])
except ValueError:
eps = .0001 # not sure how close Geod breaks
if (abs(lng - target[1]) < eps and
abs(lat - target[0]) < eps):
return name, 0
else:
raise
if closest[0] is None or dist < closest[1]:
closest = name, dist
return closest
def placesMap():
ret = readGoogleMapsLocations(request.query['m'],
bool(request.query.get('forceReload', '')))
return ret
def placesMap():
ret = readGoogleMapsLocations(request.query['m'],
bool(request.query.get('forceReload', '')))
return ret
