Esempio n. 1
0
def match_coor(x):
    res = []
    # with Network(SparkFiles.get("my_connected_path4.shp")) as network:
    # graph = NetworkGraph(netwk.value)
    # model = STMATCH(netwk.value, graph)
    network = Network("./data/my_connected_path4.shp")
    graph = NetworkGraph(network)
    model = STMATCH(network, graph)
    config = STMATCHConfig()
    config.k = 4
    config.gps_error = 0.5
    # config.radius = 0.4
    config.radius = 100
    config.vmax = 60
    config.factor = 1.5

    for traj in x:
        tmp = []
        for item in traj[1]:
            y,x = float(item[4]), float(item[3])
            if x>180 or x<-180 or y>80 or y<-80:
                continue
            trans_coor = utm.from_latlon(y,x, force_zone_number=49)
            tmp.append(str(trans_coor[0])+" "+str(trans_coor[1]))
        if len(tmp) == 0:
            continue
        wkt = "LINESTRING("+",".join(tmp)+")"
        result = model.match_wkt(wkt,config)
        opath = list(result.opath)
        x2 = list(zip(traj[1],opath))
        res.append(x2)

    return iter(res)
Esempio n. 2
0
from fmm import Network, NetworkGraph, STMATCH, STMATCHConfig

network = Network("../data/edges.shp")
graph = NetworkGraph(network)
print graph.get_num_vertices()
model = STMATCH(network, graph)
wkt = "LINESTRING(0.200812146892656 2.14088983050848,1.44262005649717 2.14879943502825,3.06408898305084 2.16066384180791,3.06408898305084 2.7103813559322,3.70872175141242 2.97930790960452,4.11606638418078 2.62337570621469)"
config = STMATCHConfig()
config.k = 4
config.gps_error = 0.5
config.radius = 0.4
config.vmax = 30
config.factor = 1.5
result = model.match_wkt(wkt, config)
print type(result)
print "Opath ", list(result.opath)
print "Cpath ", list(result.cpath)
print "WKT ", result.mgeom.export_wkt()
train1000 = []
with open("../../data/train-1000.csv", "r") as csvfile:
    reader = csv.reader(csvfile)
    for line in reader:
        train1000.append(line[8])  #POLYLINES

results = []
for t_number in range(1, 1001):
    gps_points = eval(train1000[t_number])
    wkt = 'LINESTRING(' + ','.join(
        [' '.join([str(j) for j in i]) for i in gps_points]) + ')'
    result = fmm_model.match_wkt(wkt, fmm_config)
    if list(result.cpath) == []:
        print('stmatching')
        result = stmatch_model.match_wkt(wkt, stmatch_config)
    candidates = list(result.candidates)
    results.append(
        dict(cpath=str(list(result.cpath)),
             mgeom=result.mgeom.export_wkt(),
             opath=str(list(result.opath)),
             offset=str([c.offset for c in candidates]),
             length=str([c.length for c in candidates]),
             spdist=str([c.spdist for c in candidates])))

# cpath, opath, offset, length, spdist, mgeom
with open("../../data/match_result.csv", "w") as csvfile:
    writer = csv.writer(csvfile)
    writer.writerow(
        ["t_number", "cpath", "opath", "offset", "length", "spdist", "mgeom"])