def test_precision_bits0(self):
try:
GeoHashPrecisionFinder.find_geohash_precision_from_width_bits(0),
self.fail('Expected exception')
except:
True # lint
def get_map_params(indent, geo_sw_ne, marker_diameter_km, operators, kw_range, connection_types):
enter(indent, 'get_map_params', '')
geo_bounds = geo_sw_ne.to_geo_bounds()
cur_geohash_precision = GeoHashPrecisionFinder.find_geohash_bits_from_width_geo_bounds_kms(
geo_bounds
)
debug(indent, 'get_map_params', 'got precision ' + str(cur_geohash_precision) +
' for ' + str(geo_bounds.width))
es_result = es.aggregate_search_with_filter(cur_geohash_precision, geo_bounds, operators, kw_range, connection_types)
# Aggregate all points
geo_clustering = GeoClustering()
points = geo_clustering.compute_clusters(
indent + 1,
geo_sw_ne,
marker_diameter_km,
es_result.geo_hash_to_count)
debug(indent, 'get_map_params', 'after clustering call')
result_points = []
if points == None:
debug(indent, 'get_map_params', 'no results for bounds')
else:
debug(indent, 'get_map_params', 'found ' + str(len(points)) + ' points')
for point in points:
geo_point = point.get_point()
item = {
"latitude": geo_point.latitude,
"longitude": geo_point.longitude,
"count": point.count
}
result_points.append(item)
result = {
"points": result_points,
"operators": es_result.operator_to_count,
"kw_min_max": {
"min": es_result.kw_min_max.min,
"max": es_result.kw_min_max.max
},
"connection_types": es_result.connection_type_to_count
}
exit(indent, 'get_map_params', str(len(result_points)))
return jsonify(result)
def test_precision_bits3(self):
self.assertEquals(
GeoHashPrecisionFinder.find_geohash_precision_from_width_bits(3),
1
)
def test_bits1(self):
self.assertEquals(
GeoHashPrecisionFinder.find_geohash_bits_from_width_degrees(
360, 1),
1)
def test_bits_split_120_by_100(self):
self.assertEquals(
GeoHashPrecisionFinder.find_geohash_bits_from_width_degrees(
120, 100),
9) # 2^9 = 512
def test_bits_split_200(self):
self.assertEquals(
GeoHashPrecisionFinder.find_geohash_bits_from_width_degrees(
360, 200),
8) # 2^8 = 256
def test_bits_split_100(self):
self.assertEquals(
GeoHashPrecisionFinder.find_geohash_bits_from_width_degrees(
360, 100),
7) # 2^7 = 128
def test_find_geohash_bits_from_width_kms_0_01(self):
self.assertEquals(
GeoHashPrecisionFinder.find_geohash_bits_from_width_kms(0.01),
10)
def test_find_geohash_bits_from_width_kms_15000(self):
self.assertEquals(
GeoHashPrecisionFinder.find_geohash_bits_from_width_kms(15000),
3)
