Add unit test for latitide/longitude conversion
svn: r22792
This commit is contained in:
Nick Hall
parent
9a9d7ccf03
commit
d174f4c44b
297
gramps/gen/utils/test/place_test.py
Normal file
297
gramps/gen/utils/test/place_test.py
Normal file
@ -0,0 +1,297 @@
|
||||
#!/usr/bin/env python
|
||||
# -*- coding: utf-8 -*-
|
||||
#
|
||||
# Gramps - a GTK+/GNOME based genealogy program
|
||||
#
|
||||
# Copyright (C) 2007-2009 B. Malengier
|
||||
# Copyright (C) 2009 Swoon on bug tracker
|
||||
#
|
||||
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
#
|
||||
|
||||
# $Id$
|
||||
|
||||
from __future__ import unicode_literals
|
||||
|
||||
#-------------------------------------------------------------------------
|
||||
#
|
||||
# Standard python modules
|
||||
#
|
||||
#-------------------------------------------------------------------------
|
||||
import unittest
|
||||
import math
|
||||
|
||||
#-------------------------------------------------------------------------
|
||||
#
|
||||
# Gramps modules
|
||||
#
|
||||
#-------------------------------------------------------------------------
|
||||
from gramps.gen.utils.place import conv_lat_lon
|
||||
|
||||
#-------------------------------------------------------------------------
|
||||
#
|
||||
# PlaceTest class
|
||||
#
|
||||
#-------------------------------------------------------------------------
|
||||
class PlaceTest(unittest.TestCase):
|
||||
|
||||
def _test_formats_success(self, lat, lon):
|
||||
for format_ in ["D.D4", "D.D8", "DEG", "DEG-:", "RT90", "GEDCOM"]:
|
||||
res1, res2 = conv_lat_lon(lat, lon, format_)
|
||||
self.assertIsNotNone(res1, 'Failed for %s %s' % (lat, lon))
|
||||
self.assertIsNotNone(res2, 'Failed for %s %s' % (lat, lon))
|
||||
|
||||
for format_ in ["ISO-D", "ISO-DM", "ISO-DMS"]:
|
||||
res = conv_lat_lon(lat, lon, format_)
|
||||
self.assertIsNotNone(res, 'Failed for %s %s' % (lat, lon))
|
||||
|
||||
def _test_formats_fail(self, lat, lon):
|
||||
res1, res2 = conv_lat_lon(lat, lon)
|
||||
self.assertIsNone(res1, 'Expected failure for %s %s' % (lat, lon))
|
||||
self.assertIsNone(res2, 'Expected failure for %s %s' % (lat, lon))
|
||||
|
||||
def test_decimal(self):
|
||||
lat, lon = '50.849888888888', '2.885897222222'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_dms(self):
|
||||
lat, lon = ' 50°50\'59.60"N', ' 2°53\'9.23"E'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_colon(self):
|
||||
lat, lon = ' 50 : 50 : 59.60 ', ' -2:53 : 9.23 '
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = '+50:1', '-2:1:2'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_bad_latitude(self):
|
||||
lat, lon = ' dummy', ' 2#53 \' 9.23 " E '
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_bad_longitude(self):
|
||||
lat, lon = ' 50:50: 59.60', ' d u m my'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_dm_ds(self):
|
||||
lat, lon = ' 50°59.60"N', ' 2°53\'E'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_both_in_latitude(self):
|
||||
lat, lon = ' 11° 11\' 11" N, 11° 11\' 11" O', ' '
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_very_small_negative(self):
|
||||
lat, lon = '-0.00006', '-0.00006'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_missing_direction(self):
|
||||
lat, lon = ' 50°59.60"', ' 2°53\'E'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_wrong_direction(self):
|
||||
lat, lon = ' 50°59.60"E', ' 2°53\'N'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
lat, lon = ' 50°59.99"E', ' 2°59\'59.99"N'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_precision(self):
|
||||
lat, lon = ' 50°59.99"S', ' 2°59\'59.99"E'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = 'N50.849888888888', 'E2.885897222222'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_large_latitude(self):
|
||||
lat, lon = '90.849888888888', '2.885897222222'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
lat, lon = '-91.2', '-1'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_extreme_values(self):
|
||||
lat, lon = '90', '-180'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = '90° 00\' 00.00" S ', '179° 59\'59.99"W'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = '90° 00\' 00.00" N', '180° 00\'00.00" E'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
lat, lon = '90: 00: 00.00 ', '-179: 59:59.99'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = '90° 00\' 00.00" N', '180:00:00.00'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
lat, lon = '90', '180'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
lat, lon = ' 89°59\'60"N', ' 2°53\'W'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
lat, lon = ' 89°60\'00"N', ' 2°53\'W'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
lat, lon = ' 89.1°40\'00"N', ' 2°53\'W'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
lat, lon = ' 89°40\'00"N', ' 2°53.1\'W'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
lat, lon = '+61° 43\' 60.00"', '+17° 7\' 60.00"'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_zero_crossing(self):
|
||||
lat, lon = '0', '0'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_near_equator(self):
|
||||
lat, lon = ' 1°1"N', ' 1°1\'E'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_roundoff(self):
|
||||
lat, lon = ' 1°59.999"N', ' 1°59.999"E'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = ' 1°59\'59.9999"N', ' 1°59\'59.9999"E'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = '89°59\'59.9999"S', '179°59\'59.9999"W'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = '89°59\'59.9999"N', '179°59\'59.9999"E'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_number_of_decimals(self):
|
||||
lat, lon = '89°59\'59.99999999"N', '179°59\'59.99999999"E'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_quote_notation(self):
|
||||
lat, lon = '89°59\'59.99\'\' N', '179°59\'59.99\'\'E'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_decimal_localization(self):
|
||||
lat, lon = '50.849888888888', '2,885897222222'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = '89°59\'59.9999"S', '179°59\'59,9999"W'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = '89°59\'1.599,999"S', '179°59\'59,9999"W'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_large_longitude(self):
|
||||
lat, lon = '81.2', '-182.3'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_bad_sign(self):
|
||||
lat, lon = '++50:10:1', '2:1:2'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
lat, lon = '-50:10:1', '-+2:1:2'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_missing_minute(self):
|
||||
lat, lon = '-50::1', '-2:1:2'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
lat, lon = '+50:', '-2:1:2'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_extra_whitespace(self):
|
||||
lat, lon = '- 50 : 2 : 1 ', '-2:1:2'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = '+ 50:2 : 1', '-2:1:2'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_sign_and_direction(self):
|
||||
lat, lon = '+61° 44\' 00.00"N', '+17° 8\' 00.00"E'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_extra_colon(self):
|
||||
lat, lon = '+50: 0 : 1 : 1', '-2:1:2'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_leading_colon(self):
|
||||
lat, lon = ': 0 : 1 : 1', ':1:2'
|
||||
self._test_formats_fail(lat, lon)
|
||||
|
||||
def test_degree_symbol(self):
|
||||
lat, lon = 'N 50º52\'21.92"', 'E 124º52\'21.92"'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
lat, lon = 'S 50º52\'21.92"', 'W 124º52\'21.92"'
|
||||
self._test_formats_success(lat, lon)
|
||||
|
||||
def test_RT90_conversion(self):
|
||||
"""A given lat/lon is converted to RT90 and back"""
|
||||
x, y = conv_lat_lon('59:40:9.09', '12:58:57.74', 'RT90')
|
||||
lat, lon = conv_SWED_RT90_WGS84(float(x), float(y))
|
||||
|
||||
expetced_lat = 59.0 + 40.0/60. + 9.09/3600.0
|
||||
expetced_lon = 12.0 + 58.0/60.0 + 57.74/3600.0
|
||||
|
||||
self.assertAlmostEqual(lat, expetced_lat, places=3)
|
||||
self.assertAlmostEqual(lon, expetced_lon, places=3)
|
||||
|
||||
|
||||
def conv_SWED_RT90_WGS84(X, Y):
|
||||
"""
|
||||
Input is X and Y coordinates in RT90 as float
|
||||
Output is lat and long in degrees, float as tuple
|
||||
"""
|
||||
# Some constants used for conversion to/from Swedish RT90
|
||||
f = 1.0/298.257222101
|
||||
e2 = f*(2.0-f)
|
||||
n = f/(2.0-f)
|
||||
L0 = math.radians(15.8062845294) # 15 deg 48 min 22.624306 sec
|
||||
k0 = 1.00000561024
|
||||
a = 6378137.0 # meter
|
||||
at = a/(1.0+n)*(1.0+ 1.0/4.0* pow(n,2)+1.0/64.0*pow(n,4))
|
||||
FN = -667.711 # m
|
||||
FE = 1500064.274 # m
|
||||
|
||||
xi = (X - FN)/(k0*at)
|
||||
eta = (Y - FE)/(k0*at)
|
||||
D1 = 1.0/2.0*n - 2.0/3.0*pow(n,2) + 37.0/96.0*pow(n,3) - 1.0/360.0*pow(n,4)
|
||||
D2 = 1.0/48.0*pow(n,2) + 1.0/15.0*pow(n,3) - 437.0/1440.0*pow(n,4)
|
||||
D3 = 17.0/480.0*pow(n,3) - 37.0/840.0*pow(n,4)
|
||||
D4 = 4397.0/161280.0*pow(n,4)
|
||||
xip = xi - D1*math.sin(2.0*xi)*math.cosh(2.0*eta) - \
|
||||
D2*math.sin(4.0*xi)*math.cosh(4.0*eta) - \
|
||||
D3*math.sin(6.0*xi)*math.cosh(6.0*eta) - \
|
||||
D4*math.sin(8.0*xi)*math.cosh(8.0*eta)
|
||||
etap = eta - D1*math.cos(2.0*xi)*math.sinh(2.0*eta) - \
|
||||
D2*math.cos(4.0*xi)*math.sinh(4.0*eta) - \
|
||||
D3*math.cos(6.0*xi)*math.sinh(6.0*eta) - \
|
||||
D4*math.cos(8.0*xi)*math.sinh(8.0*eta)
|
||||
psi = math.asin(math.sin(xip)/math.cosh(etap))
|
||||
DL = math.atan2(math.sinh(etap),math.cos(xip))
|
||||
LON = L0 + DL
|
||||
A = e2 + pow(e2,2) + pow(e2,3) + pow(e2,4)
|
||||
B = -1.0/6.0*(7.0*pow(e2,2) + 17*pow(e2,3) + 30*pow(e2,4))
|
||||
C = 1.0/120.0*(224.0*pow(e2,3) + 889.0*pow(e2,4))
|
||||
D = 1.0/1260.0*(4279.0*pow(e2,4))
|
||||
E = A + B*pow(math.sin(psi),2) + \
|
||||
C*pow(math.sin(psi),4) + \
|
||||
D*pow(math.sin(psi),6)
|
||||
LAT = psi + math.sin(psi)*math.cos(psi)*E
|
||||
LAT = math.degrees(LAT)
|
||||
LON = math.degrees(LON)
|
||||
return LAT, LON
|
||||
Loading…
Reference in New Issue
Block a user