else:
print "catch a false"
return False
data_path = '../DataSet/'
graph_path = '../DataSet/GraphData/'
venue_path = '../DataSet/VenueData/'
trsn_list = VH.load_pickle_file(data_path, 'sf_trsn')
time_list = VH.load_pickle_file(data_path, 'sf_time')
full_venue_dict = VH.GetFullVenueDict(venue_path, 'venues-CA-new.json')
category_dict = VH.load_json(venue_path, 'category_map.json')
pcategory_dict = VH.load_json(venue_path, 'pcategory_map.json')
lng_list = [GH.get_lat_lng(full_venue_dict, trsn[1]) for trsn in trsn_list]
lng_list.sort(key=lambda t:t[1], reverse=True)
print lng_list[0]
'''
vid_map = create_vid_map(trsn_list)
venue_g = snap.TNEANet.New()
lngs = []
for trsn_idx, trsn in enumerate(trsn_list):
# only need check one vid
lat, lng = GH.get_lat_lng(full_venue_dict, trsn[0])
if within_geo_range(center, radius, lat, lng):
lngs.append(lng)
src_nid = vid_map[trsn[0]]
dst_nid = vid_map[trsn[1]]
src_ts = time_list[trsn_idx][0]
