# -*- coding: utf-8 -*-
# Test the Frechet distances.
__all__ = ('Tests', )
__version__ = '19.08.30'
from base import isPython3, isWindows, TestsBase
from pygeodesy import fStr, LatLon_, randomrangenerator
_rr = randomrangenerator('R')
_ms = [
LatLon_(*_ll) for _ll in zip(
_rr(-90, 90, 2), # 90
_rr(-180, 180, 4))
]
_ps = [
LatLon_(*_ll) for _ll in zip(
_rr(-89, 90, 3), # 60
_rr(-179, 180, 6))
]
class Tests(TestsBase):
def test2(self, Frechet, x, y, **kwds):
def _tstr(t):
s = list(t[:5])
s[0] = fStr(t.fd, prec=5)
return '(%s)' % (', '.join(map(str, s)), )
'''Custom Hausdorff.'''
def distance(self, p1, p2):
dy, dx = abs(p1.phi - p2.phi), abs(p1.lam - p2.lam)
if dx < dy:
dx, dy = dy, dx
return dx + dy * 0.5
def _tstr(t):
s = list(t[:5])
s[0] = fStr(t.hd, prec=5)
s[4] = None if t.md is None else fStr(t.md, prec=5)
return '(%s)' % (', '.join(map(str, s)),)
_rr = randomrangenerator('R')
# like <https://GitHub.com/mavillan/py-hausdorff> Example
_ms = [LatLon_(*_ll) for _ll in zip(_rr( -90, 90, 2), # 90
_rr(-180, 180, 4))]
_ps = [LatLon_(*_ll) for _ll in zip(_rr( -89, 90, 3), # 60
_rr(-179, 180, 6))]
class Tests(TestsBase):
def test4(self, Hausdorff, *tests, **kwds):
for s, e, x, y in tests:
h = Hausdorff(_ms, seed=s, **kwds)