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# SPDX-License-Identifier: BSD-2-Clause
#
# This file is part of pyosmium. (https://osmcode.org/pyosmium/)
#
# Copyright (C) 2025 Sarah Hoffmann <lonvia@denofr.de> and others.
# For a full list of authors see the git log.
import json
import pytest
import osmium.geom
@pytest.fixture
def node_geom(test_data):
def _run(factory, data='n1 x-23.3 y28.0'):
geoms = []
def _mk_point(node):
geoms.append(factory.create_point(node))
handler = osmium.make_simple_handler(node=_mk_point)
handler.apply_file(test_data(data))
assert len(geoms) == 1
return geoms[0]
return _run
def test_wkb_create_node(node_geom):
wkb = node_geom(osmium.geom.WKBFactory())
if wkb.startswith('01'):
assert wkb.startswith('0101000000')
else:
assert wkb.startswith('00')
def test_wkt_create_node(node_geom):
wkt = node_geom(osmium.geom.WKTFactory())
assert wkt.startswith('POINT(')
def test_geojson_create_node(node_geom):
geom = node_geom(osmium.geom.GeoJSONFactory())
geom = json.loads(geom)
assert geom['type'], 'Point'
@pytest.fixture
def way_geom(test_data):
def _run(factory):
opl = test_data(['n1 x0 y0', 'n2 x1 y0', 'n3 x0 y1', 'w1 Nn1,n2,n3'])
geoms = []
def _mk_way(w):
geoms.append(factory.create_linestring(w))
geoms.append(factory.create_linestring(
w, direction=osmium.geom.direction.BACKWARD))
geoms.append(factory.create_linestring(
w, use_nodes=osmium.geom.use_nodes.ALL))
handler = osmium.make_simple_handler(way=_mk_way)
handler.apply_file(opl, locations=True)
assert len(geoms) == 3
return geoms
return _run
def test_wkb_create_way(way_geom):
wkbs = way_geom(osmium.geom.WKBFactory())
for wkb in wkbs:
if wkb.startswith('01'):
assert wkb.startswith('0102000000030'), "wkb: " + wkb
else:
assert wkb.startswith('00')
def test_wkt_create_way(way_geom):
wkts = way_geom(osmium.geom.WKTFactory())
assert all(wkt.startswith('LINESTRING(') for wkt in wkts)
def test_geojson_create_way(way_geom):
geoms = way_geom(osmium.geom.GeoJSONFactory())
assert all(json.loads(geom)['type'] == 'LineString' for geom in geoms)
@pytest.fixture
def area_geom(test_data):
def _run(factory):
opl = test_data(['n1 x0 y0', 'n2 x1 y0', 'n3 x0 y1', 'w23 Nn1,n2,n3,n1 Tarea=yes'])
geoms = []
def _mk_area(a):
geoms.append(factory.create_multipolygon(a))
handler = osmium.make_simple_handler(area=_mk_area)
handler.apply_file(opl, locations=True)
assert len(geoms) == 1
return geoms[0]
return _run
def test_wkb_create_poly(area_geom):
wkb = area_geom(osmium.geom.WKBFactory())
if wkb.startswith('01'):
assert wkb.startswith('010600000001'), "wkb: " + wkb
else:
assert wkb.startswith('00')
def test_wkt_create_poly(area_geom):
wkt = area_geom(osmium.geom.WKTFactory())
assert wkt.startswith('MULTIPOLYGON(')
def test_geojson_create_poly(area_geom):
geom = area_geom(osmium.geom.GeoJSONFactory())
geom = json.loads(geom)
assert geom['type'] == 'MultiPolygon'
def test_lonlat_to_mercator():
c = osmium.geom.lonlat_to_mercator(osmium.geom.Coordinates(3.4, -7.3))
assert c.x == pytest.approx(378486.2686971)
assert c.y == pytest.approx(-814839.8325696)
def test_mercator_lonlat():
c = osmium.geom.mercator_to_lonlat(osmium.geom.Coordinates(0.03, 10.2))
assert c.x == pytest.approx(0.00000026, rel=1e-1)
assert c.y == pytest.approx(0.00009162, rel=1e-1)
def test_coordinate_from_location():
c = osmium.geom.Coordinates(osmium.osm.Location(10.0, -3.0))
assert c.x == pytest.approx(10.0)
assert c.y == pytest.approx(-3.0)
def test_haversine():
data = ['n1 x0 y0', 'n2 x1 y0', 'n3 x0 y1', 'w1 Nn1,n2,n3']
results = []
def call_haversine(w):
results.append(osmium.geom.haversine_distance(w.nodes))
handler = osmium.make_simple_handler(way=call_haversine)
handler.apply_buffer('\n'.join(data).encode('utf-8'), 'opl', locations=True)
assert 1 == len(results)
assert 268520 == pytest.approx(results[0])
def test_haversine_invalid_object():
data = ['n1 x0 y0', 'n2 x1 y0', 'n3 x0 y1', 'w1 Nn1,n2,n3']
results = []
def call_haversine(w):
results.append(w.nodes)
handler = osmium.make_simple_handler(way=call_haversine)
handler.apply_buffer('\n'.join(data).encode('utf-8'), 'opl', locations=True)
assert results
with pytest.raises(RuntimeError, match="removed OSM object"):
osmium.geom.haversine_distance(results[0])
def test_haversine_coordinates():
dist = osmium.geom.haversine_distance(osmium.geom.Coordinates(0, 0),
osmium.geom.Coordinates(1, 1))
assert dist == pytest.approx(157293.74877)
def test_haversine_location():
dist = osmium.geom.haversine_distance(osmium.osm.Location(0, 0),
osmium.osm.Location(1, 1))
assert dist == pytest.approx(157293.74877)
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