Mercurial > hg > GlobalNeighbors

annotate globalneighbors/determine_distances.py @ 4:8e130b7bfed9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
remove unintended boilerplate
author Jeff Hammel <k0scist@gmail.com>
date Sat, 24 Jun 2017 14:48:55 -0700
parents 5dba84370182
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
1 #!/usr/bin/env python
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
2
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
3 """
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
4 determine distances from an output of neighbors
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
5
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
6 This takes a JSON input file of the format of
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
7 {"geoid": [neighborgeoid, neighborgeoid2, ...]}
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
8
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
9 and reduces this to a mapping of
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
10
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
11 {"geoid": [(geoid_remote, distance),
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
12 (geoid_remote2, distance2),
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
13 ...]
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
14 ...
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
15 }
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
16 """
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
17
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
18 import argparse
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
19 import json
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
20 import sys
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
21 from .cli import CitiesParser
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
22 from .constants import Rearth
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
23
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
24 try:
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
25 # python 2
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
26 string = (str, unicode)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
27 except NameError:
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
28 # python 3
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
29 string = (str, )
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
30
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
31
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
32 def geoids2distances(f, locations, r=Rearth):
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
33 """convert geoidstodistance with locations mapping"""
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
34
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
35 # allow file paths or pointers
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
36 if isinstance(f, string):
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
37 with open(f) as f_:
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
38 return geoids2distances(f_, locations)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
39
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
40 # load the data
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
41 data = json.loads(f.read())
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
42
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
43
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
44 def main(args=sys.argv[1:]):
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
45 """CLI"""
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
46
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
47 # parse command line
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
48 parser = CitiesParser(description=__doc__)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
49 parser.add_argument('neighbors',
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
50 type=argparse.FileType('r'),
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
51 help="file of nearest neighrbors")
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
52 options = parser.parse_args(args)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
53
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
54 # read data
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
55 cities = list(read_cities(options.cities, fields=fields))
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
56
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
57 # get locations
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
58 city_locations = locations(cities)
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
59
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
60
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
61 if __name__ == '__main__':
5dba84370182 initial commit; half-working prototype
Jeff Hammel <k0scist@gmail.com>
parents:
diff changeset
62 main