123 lines
4.0 KiB
Python
Executable File
123 lines
4.0 KiB
Python
Executable File
#!/usr/bin/python
|
|
|
|
# gencoastline.py - create appropriate COASTLINE_LIST STG files for ws30 from openstreetmap
|
|
# Copyright (C) 2021 Stuart Buchanan
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License along
|
|
# with this program; if not, write to the Free Software Foundation, Inc.,
|
|
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
# You will need Python Overpass API - "pip install overpy"
|
|
|
|
import xml.etree.ElementTree as etree
|
|
import os
|
|
import shutil
|
|
import re
|
|
import sys
|
|
import collections
|
|
from math import floor
|
|
|
|
import calc_tile
|
|
import overpy
|
|
|
|
nodes = {}
|
|
road_count = 0
|
|
river_count = 0
|
|
|
|
if (len(sys.argv) != 6):
|
|
print("Simple generation of COASTLINE_LIST files")
|
|
print("")
|
|
print("Usage: " + sys.argv[0] + " <scenery_dir> <lon1> <lat1> <lon2> <lat2>")
|
|
print(" <scenery_dir> \tScenery directory to write to")
|
|
print(" <lon1> <lat1> \tBottom left lon/lat of bounding box")
|
|
print(" <lon2> <lat2> \tTop right lon/lat of bounding box")
|
|
exit(1)
|
|
|
|
scenery_prefix = sys.argv[1]
|
|
lon1 = sys.argv[2]
|
|
lat1 = sys.argv[3]
|
|
lon2 = sys.argv[4]
|
|
lat2 = sys.argv[5]
|
|
|
|
os.makedirs(scenery_prefix, exist_ok=True)
|
|
|
|
def feature_file(lat, lon):
|
|
index = calc_tile.calc_tile_index((lon,lat))
|
|
return str(index) + "_Coastline.txt"
|
|
|
|
def add_to_stg(lat, lon):
|
|
index = calc_tile.calc_tile_index((lon, lat))
|
|
stg = os.path.join(scenery_prefix, calc_tile.directory_name((lon, lat)), str(index) + ".stg")
|
|
#print("Writing " + stg)
|
|
with open(stg, 'a') as f:
|
|
f.write("COASTLINE_LIST " + feature_file(lat, lon) + "\n")
|
|
|
|
def write_feature(lon, lat, coast):
|
|
index = calc_tile.calc_tile_index((lon,lat))
|
|
dirname = os.path.join(scenery_prefix, calc_tile.directory_name((lon, lat)))
|
|
os.makedirs(dirname, exist_ok=True)
|
|
txt = os.path.join(scenery_prefix, calc_tile.directory_name((lon, lat)), feature_file(lat, lon))
|
|
#print("Writing " + txt)
|
|
with open(txt, 'a') as f:
|
|
for pt in coast :
|
|
f.write(" " + str(pt.lon) + " " + str(pt.lat))
|
|
f.write("\n")
|
|
|
|
stg = os.path.join(scenery_prefix, calc_tile.directory_name((lon, lat)), str(index) + ".stg")
|
|
if not os.path.isfile(stg) :
|
|
# No STG - generate
|
|
add_to_stg(lat, lon)
|
|
else :
|
|
road_exists = 0
|
|
with open(stg, 'r') as f:
|
|
for line in f:
|
|
if line.startswith("COASTLINE_LIST " + feature_file(lat, lon)) :
|
|
road_exists = 1
|
|
if road_exists == 0 :
|
|
add_to_stg(lat, lon)
|
|
|
|
|
|
def parse_way(way) :
|
|
global road_count, river_count, lat1, lon1, lat2, lon2
|
|
pts = []
|
|
width = 6.0
|
|
road = 0
|
|
river = 0
|
|
|
|
# It's a road or river. Add it to appropriate tile entries.
|
|
tileids = set()
|
|
|
|
for pt in way.nodes:
|
|
lon = float(pt.lon)
|
|
lat = float(pt.lat)
|
|
idx = calc_tile.calc_tile_index([lon, lat])
|
|
if ((float(lon1) <= lon <= float(lon2)) and (float(lat1) <= lat <= float(lat2)) and (idx not in tileids)) :
|
|
# Write the feature to a bucket provided it's within the lat/lon bounds and if we've not already written it there
|
|
write_feature(lon, lat, way.nodes)
|
|
tileids.add(idx)
|
|
|
|
def writeOSM(result):
|
|
for child in result.ways:
|
|
parse_way(child)
|
|
|
|
# Get River data
|
|
|
|
osm_bbox = ",".join([lat1, lon1, lat2, lon2])
|
|
api = overpy.Overpass(url="https://lz4.overpass-api.de/api/interpreter")
|
|
|
|
coast_query = "way[\"natural\"=\"coastline\"](" + osm_bbox + ");(._;>;);out;"
|
|
result = api.query(coast_query)
|
|
writeOSM(result)
|
|
|
|
|