188 lines
6.9 KiB
Python
188 lines
6.9 KiB
Python
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#!/usr/bin/python
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# genroads.py - create appropriate ROAD_LIST STG files for ws30 from openstreetmap
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# Copyright (C) 2021 Stuart Buchanan
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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# You will need Python Overpass API - "pip install overpy"
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import xml.etree.ElementTree as etree
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import os
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import shutil
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import re
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import sys
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import collections
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from math import floor
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import calc_tile
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import overpy
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nodes = {}
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road_count = 0
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river_count = 0
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if (len(sys.argv) != 6):
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print("Simple generation of ROAD_LIST files")
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print("")
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print("Usage: " + sys.argv[0] + " <scenery_dir> <lon1> <lat1> <lon2> <lat2>")
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print(" <scenery_dir> \tScenery directory to write to")
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print(" <lon1> <lat1> \tBottom left lon/lat of bounding box")
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print(" <lon2> <lat2> \tTop right lon/lat of bounding box")
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exit(1)
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scenery_prefix = sys.argv[1]
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lon1 = sys.argv[2]
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lat1 = sys.argv[3]
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lon2 = sys.argv[4]
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lat2 = sys.argv[5]
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os.makedirs(scenery_prefix, exist_ok=True)
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def feature_file(lat, lon, type):
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index = calc_tile.calc_tile_index((lon,lat))
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return str(index) + "_" + type + ".txt"
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def add_to_stg(lat, lon, type):
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index = calc_tile.calc_tile_index((lon, lat))
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stg = os.path.join(scenery_prefix, calc_tile.directory_name((lon, lat)), str(index) + ".stg")
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#print("Writing " + stg)
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with open(stg, 'a') as f:
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f.write("LINE_FEATURE_LIST " + feature_file(lat, lon, type) + " " + type + "\n")
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def write_feature(lon, lat, road, type, width):
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index = calc_tile.calc_tile_index((lon,lat))
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dirname = os.path.join(scenery_prefix, calc_tile.directory_name((lon, lat)))
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os.makedirs(dirname, exist_ok=True)
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txt = os.path.join(scenery_prefix, calc_tile.directory_name((lon, lat)), feature_file(lat, lon, type))
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#print("Writing " + txt)
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with open(txt, 'a') as f:
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f.write(str(width) + " 0 1 1 1 1") # Width plus currently unused generic attributes.
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for pt in road :
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f.write(" " + str(pt.lon) + " " + str(pt.lat))
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f.write("\n")
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stg = os.path.join(scenery_prefix, calc_tile.directory_name((lon, lat)), str(index) + ".stg")
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if not os.path.isfile(stg) :
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# No STG - generate
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add_to_stg(lat, lon, type)
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else :
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road_exists = 0
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with open(stg, 'r') as f:
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for line in f:
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if line.startswith("LINE_FEATURE_LIST " + feature_file(lat, lon, type)) :
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road_exists = 1
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if road_exists == 0 :
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add_to_stg(lat, lon, type)
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def parse_way(way) :
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global road_count, river_count, lat1, lon1, lat2, lon2
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pts = []
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width = 6.0
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road = 0
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river = 0
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highway = way.tags.get("highway")
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waterway = way.tags.get("waterway")
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feature_type = "None"
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if (highway=="motorway_junction") or (highway=="motorway") or (highway=="motorway_link"):
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width = 15.0
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feature_type = "Road"
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road_count = road_count + 1
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if (highway=="secondary") or (highway=="primary") or (highway=="trunk") or (highway=="trunk_link") or (highway=="primary_link") or (highway=="secondary_link") :
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width = 12.0
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feature_type = "Road"
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road_count = road_count + 1
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if (highway=="unclassified") or (highway=="tertiary") or (highway=="tertiary_link") or (highway=="service") or (highway=="residential"):
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width = 6.0
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feature_type = "Road"
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road_count = road_count + 1
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if (waterway=="river") or (waterway=="canal") :
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width = 10.0
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feature_type = "Watercourse"
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river_count = river_count + 1
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# Use the width if defined and parseable
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if (way.tags.get("width") != None) :
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width_str = way.tags.get("width")
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try:
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if (' m' in width_str) :
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width = float(width_str[0:width_str.find(" m")])
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if (' ft' in width_str) :
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width = 0.3 * float(width_str[0:width_str.find(" ft")])
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except ValueError :
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print("Unable to parse width " + width_str)
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if (feature_type != "None") :
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# It's a road or river. Add it to appropriate tile entries.
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tileids = set()
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for pt in way.nodes:
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lon = float(pt.lon)
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lat = float(pt.lat)
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idx = calc_tile.calc_tile_index([lon, lat])
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if ((float(lon1) <= lon <= float(lon2)) and (float(lat1) <= lat <= float(lat2)) and (idx not in tileids)) :
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# Write the feature to a bucket provided it's within the lat/lon bounds and if we've not already written it there
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write_feature(lon, lat, way.nodes, feature_type, width)
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tileids.add(idx)
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def writeOSM(result):
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for child in result.ways:
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parse_way(child)
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# Get River data
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osm_bbox = ",".join([lat1, lon1, lat2, lon2])
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api = overpy.Overpass(url="https://lz4.overpass-api.de/api/interpreter")
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river_query = "(way[\"waterway\"=\"river\"](" + osm_bbox + "); way[\"waterway\"=\"canal\"](" + osm_bbox + "););(._;>;);out;"
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result = api.query(river_query)
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writeOSM(result)
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road_query = "("
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#road_types = ["unclassified", "tertiary", "service", "secondary", "primary", "motorway_junction", "motorway"]
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#road_types = ["tertiary", "secondary", "primary", "motorway_junction", "motorway"]
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road_types = ["motorway", "trunk", "primary", "secondary", "tertiary", "unclassified", "residential", "motorway_link", "trunk_link", "primary_link", "secondary_link", "tertiary_link"]
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for r in road_types :
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road_query = road_query + "way[\"highway\"=\"" + r + "\"](" + osm_bbox + ");"
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road_query = road_query + ");(._;>;);out;"
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result = api.query(road_query)
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writeOSM(result)
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print("Wrote total of " + str(road_count) + " roads")
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print("Wrote total of " + str(river_count) + " rivers")
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#
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#
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#
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#
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#time ./genroads.py /tmp/OSMTEST/Terrain/ -3.5 55.0 -2.5 56.0
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#2005 time ./genroads.py /tmp/OSMTEST/Terrain/ -12 59.0 -10 61.0
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# 2006 time ./genroads.py /tmp/OSMTEST/Terrain/ -10 59.0 -8 61.0
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# 2007 time ./genroads.py /tmp/OSMTEST/Terrain/ -8 59.0 -4 61.0
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# 2008 time ./genroads.py /tmp/OSMTEST/Terrain/ -4 59.0 0 61.0
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# 2009 time ./genroads.py /tmp/OSMTEST/Terrain/ 0 59.0 4 61.0
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# 2010 time ./genroads.py /tmp/OSMTEST/Terrain/ -12 57.0 -10 59.0
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# 2011 time ./genroads.py /tmp/OSMTEST/Terrain/ -10 57.0 -6 59.0
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# 2012 time ./genroads.py /tmp/OSMTEST/Terrain/ -6 57.0 -2 59.0
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# 2013 time ./genroads.py /tmp/OSMTEST/Terrain/ -2 57.0 4 59.0
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