def get_file_output(raw_file, simple_file):
simplifier = simplify.GeojsonSimplifier()
simplifier.read_geojson(os.path.join(TEST_DATA_DIR, raw_file))
simplifier.simplify()
result = simplifier.geojson
file = os.path.join(TEST_DATA_DIR, simple_file)
with open(file, 'r') as f:
expected_result = geojson.load(f)
return result, expected_result
def test_larger_adjustement(self):
"""Tests a moderate adjustement (removed point is poorly approximated
by the resulting line) on a small, custom-made Polygon.
"""
polygon_ex = {
'type': 'Polygon',
'coordinates': [[[[1, 0], [2, 5], [3, 0.25], [4, -0.5], [5, 0.1]]]]
}
polygon_simple_ex = {
'type': 'Polygon',
'coordinates': [[[[1, 0], [2, 5], [5, 0.1]]]]
}
simplifier = simplify.GeojsonSimplifier()
simplifier.geojson = polygon_ex
simplifier.simplify(epsilon=2)
self.assertDictEqual(simplifier.geojson, polygon_simple_ex)
def test_small_adjustement(self):
"""Tests a small adjustement (removed point is very well approximated
by the resulting line) on a small, custom-made Polygon.
"""
polygon_ex = {
'type': 'Polygon',
'coordinates': [[[[1, 1], [2, 2], [3, 3.1], [4, 0]]]]
}
polygon_simple_ex = {
'type': 'Polygon',
'coordinates': [[[[1, 1], [3, 3.1], [4, 0]]]]
}
simplifier = simplify.GeojsonSimplifier()
simplifier.geojson = polygon_ex
simplifier.simplify(epsilon=0.1)
self.assertDictEqual(simplifier.geojson, polygon_simple_ex)
def __init__(self):
self.downloader = download.GeojsonDownloader()
self.simplifier = simplify.GeojsonSimplifier()
self.simple_geojsons = {}
self.eps = 0.01