def is_lat_lon_match(self, latitude, longitude):
"""
Checks if the given latitude/longitude
matches geographic query constraints
:param: latitude : the latitude to check against
the arguments geographic constraints
:param: longitude : the longitude to check against
the arguments geographic constraints
"""
if not -90 <= float(latitude) <= 90:
return False
elif not -180 <= float(longitude) <= 180:
return False
# if lat/lon box intersection
elif not ph5utils.is_rect_intersection(
self.args.get('minlat'), self.args.get('maxlat'),
self.args.get('minlon'), self.args.get('maxlon'), latitude,
longitude):
return False
# check if point/radius intersection
elif not ph5utils.is_radial_intersection(
self.args.get('latitude'), self.args.get('longitude'),
self.args.get('minradius'), self.args.get('maxradius'),
latitude, longitude):
return False
else:
return True
def test_is_radial_intersection(self):
"""
Tests is_radial_intersection()
"""
# Use IU ANMO as a test case
latitude = 34.946
longitude = -106.457
# point is an exact match to location
self.assertTrue(ph5utils.is_radial_intersection(34.946, -106.457,
0, 1,
latitude, longitude))
self.assertTrue(ph5utils.is_radial_intersection(34.946, -106.457,
0, 0,
latitude, longitude))
# intersect ANMO
self.assertTrue(ph5utils.is_radial_intersection(46.195, -121.553,
0, 17.623,
latitude, longitude))
# intersect ANMO no min radius defined
self.assertTrue(ph5utils.is_radial_intersection(46.195, -121.553,
None, 17.623,
latitude, longitude))
# intersect ANMO with a min radius
self.assertTrue(ph5utils.is_radial_intersection(35.174, -91.846,
10, 14.377,
latitude, longitude))
# does not intersect ANMO
self.assertFalse(ph5utils.is_radial_intersection(46.195, -121.553,
0, 3,
latitude, longitude))
self.assertFalse(ph5utils.is_radial_intersection(31.915, -106.282,
0, 0.752,
latitude, longitude))
# min radius is outside ANMO
self.assertFalse(ph5utils.is_radial_intersection(34.946, -106.457,
1, 4,
latitude, longitude))
# min radius is outside ANMO - no max radius defined
self.assertFalse(ph5utils.is_radial_intersection(34.946, -106.457,
1, None,
latitude, longitude))
# all outside range
self.assertFalse(ph5utils.is_radial_intersection(0, 0,
0, 0,
latitude, longitude))
def check_intersection(self, sta_xml_obj, latitude, longitude):
"""
Checks latitude and longitude against geographic constraints
:param: sta_xml_obj : PH5toStationXMLRequest object for the constraints
:param: latitude : the given latitude
:param: longitude : the given longitude
"""
# check if lat/lon box intersection
if not ph5utils.is_rect_intersection(
sta_xml_obj.minlatitude, sta_xml_obj.maxlatitude,
sta_xml_obj.minlongitude, sta_xml_obj.maxlongitude, latitude,
longitude):
return False
# check if point/radius intersection
if not ph5utils.is_radial_intersection(
sta_xml_obj.latitude, sta_xml_obj.longitude,
sta_xml_obj.minradius, sta_xml_obj.maxradius, latitude,
longitude):
return False
return True
def is_lat_lon_match(self, sta_xml_obj, station):
"""
Checks if the given station's latitude/longitude matches geographic
query constraints and the completeness of latitude/longitude/elevation
:param: sta_xml_obj : a PH5toStationXMLRequest object for checking
lat/lon box intersection and point/radius intersection
:param: station : a station entry of latitude, longitude and elevation
to be checked
"""
errors = []
latitude = float(station['location/Y/value_d'])
longitude = float(station['location/X/value_d'])
validation.check_lat_lon_elev(station, errors)
# check if lat/lon box intersection
if not ph5utils.is_rect_intersection(
sta_xml_obj.minlatitude, sta_xml_obj.maxlatitude,
sta_xml_obj.minlongitude, sta_xml_obj.maxlongitude, latitude,
longitude):
errors.append(
box_intersection_err(latitude, sta_xml_obj.minlatitude,
sta_xml_obj.maxlatitude, longitude,
sta_xml_obj.minlongitude,
sta_xml_obj.maxlongitude))
# check if point/radius intersection
if not ph5utils.is_radial_intersection(
sta_xml_obj.latitude, sta_xml_obj.longitude,
sta_xml_obj.minradius, sta_xml_obj.maxradius, latitude,
longitude):
errors.append(
radial_intersection_err(latitude, longitude,
sta_xml_obj.minradius,
sta_xml_obj.maxradius,
sta_xml_obj.latitude,
sta_xml_obj.longitude))
return errors