Files
TSP-Hlas/findAllRoutes.py
prokopparuzek c367a216ce can reverse
add argparse
add makeSymetric, but commented
2025-09-01 22:44:54 +02:00

132 lines
3.8 KiB
Python
Executable File

#!/usr/bin/python3
# find all routes between all pointes in positions.csv
# max 100 points
# default by time, param -l use length
import requests
import pickle
from os.path import isfile
import fast_tsp
import gpxpy
import gpxpy.gpx
import sys
import argparse
# copy down left triangle to up right
def makeSymmetric(matrix :list[list[int]]) -> list[list[int]]:
for i in range(0, len(matrix)):
for j in range(0, i):
matrix[j][i] = matrix[i][j]
return matrix
class Person:
name: str
position: str
index: int
def __init__(self, index: int, line: str):
line.strip()
line = line[:-1]
data = line.rsplit(",")
self.name = data[0]
self.position = ",".join(data[-2:])
self.index = index
index: int = 0
persons: list[Person] = []
key: str
matrix: list[list[dict[str, int]]] = []
byWhat: str
parser = argparse.ArgumentParser()
parser.add_argument("-l", "--length", action="store_true", help="Shortest length, otherwise time.")
parser.add_argument("-r", "--reverse", action="store_true", help="Other direction.")
args = parser.parse_args()
if args.length:
byWhat = 'length'
else:
byWhat = 'duration'
with open("key.api", "r") as f:
key = f.readline()
key = key[:-1]
with open("positions.csv", "r") as pos:
for l in pos:
persons.append(Person(index, l))
index += 1
p = [o.__dict__ for o in persons]
if not isfile('data.pkl'):
url = 'https://api.mapy.cz/v1/routing/matrix-m'
headers = {'accept': 'application/json'}
for p in persons:
payload = {}
payload['starts'] = p.position
payload['ends'] = []
for e in persons:
payload['ends'].append(e.position)
payload['routeType'] = 'bike_road'
payload['apikey'] = key
r = requests.get(url=url, headers=headers, params=payload)
mat = r.json()
matrix.append([])
for res in mat['matrix'][0]:
matrix[p.index].append(res)
# Serialize the object to a binary format
with open('data.pkl', 'wb') as file:
pickle.dump(matrix, file)
else:
# Deserialize the object from the binary file
with open('data.pkl', 'rb') as file:
matrix = pickle.load(file)
computeMatrix = {}
computeMatrix['length'] = [[c['length'] for c in r] for r in matrix]
computeMatrix['duration'] = [[c['duration'] for c in r] for r in matrix]
#computeMatrix['length'] = makeSymmetric(computeMatrix['length'])
#computeMatrix['duration'] = makeSymmetric(computeMatrix['duration'])
tour = fast_tsp.solve_tsp_exact(computeMatrix[byWhat])
print('Parametry cesty:')
print('Délka:', fast_tsp.compute_cost(tour, computeMatrix['length'])/1000, 'km')
duration = fast_tsp.compute_cost(tour, computeMatrix['duration'])
print('Doba:', duration//3600, 'h', (duration%3600)//60, 'm', duration%60, 's')
# compute path
gpx = gpxpy.gpx.GPX()
points: list[gpxpy.gpx.GPXTrackPoint] = []
if args.reverse:
tour.reverse()
start = tour.index(0)
for i in range(0, len(tour)):
s = tour[(start+i)%len(tour)]
e = tour[(start+i+1)%len(tour)]
url = 'https://api.mapy.cz/v1/routing/route'
headers = {'accept': 'application/json'}
payload = {}
payload['start'] = persons[s].position
payload['end'] = persons[e].position
payload['routeType'] = 'bike_road'
payload['apikey'] = key
payload['format'] = 'geojson'
r = requests.get(url=url, headers=headers, params=payload)
route = r.json()
Jpoints = route['geometry']['geometry']['coordinates']
gpx.waypoints.append(gpxpy.gpx.GPXWaypoint(Jpoints[0][1], Jpoints[0][0], name=persons[s].name))
for p in Jpoints:
points.append(gpxpy.gpx.GPXTrackPoint(p[1], p[0]))
track = gpxpy.gpx.GPXTrack("Hlas")
gpx.tracks.append(track)
segment = gpxpy.gpx.GPXTrackSegment(points)
track.segments.append(segment)
with open("route.gpx", "w") as r:
r.write(gpx.to_xml())