Examples/tests/test_detectors.py

0001 import pytest
0002 from pathlib import Path
0003
0004 from helpers import dd4hepEnabled
0005
0006 import acts.examples
0007 from acts.examples.odd import getOpenDataDetector
0008
0009
0010 def count_surfaces(geo):
0011     __tracebackhide__ = True
0012     nSurfaces = 0
0013
0014     def visit(srf):
0015         nonlocal nSurfaces
0016         nSurfaces += 1
0017
0018     geo.visitSurfaces(visit)
0019
0020     return nSurfaces
0021
0022
0023 def check_extra_odd(srf):
0024     if srf.geometryId.volume in [28, 30, 23, 25, 16, 18]:
0025         assert srf.geometryId.extra != 0
0026     return
0027
0028
0029 def test_generic_geometry():
0030     detector = acts.examples.GenericDetector()
0031     trackingGeometry = detector.trackingGeometry()
0032     contextDecorators = detector.contextDecorators()
0033     assert detector is not None
0034     assert trackingGeometry is not None
0035     assert contextDecorators is not None
0036
0037     assert count_surfaces(trackingGeometry) == 18728
0038
0039
0040 def test_telescope_geometry():
0041     n_surfaces = 10
0042
0043     config = acts.examples.TelescopeDetector.Config(
0044         bounds=[100, 100],
0045         positions=[10 * i for i in range(n_surfaces)],
0046         stereos=[0] * n_surfaces,
0047         binValue=0,
0048     )
0049     detector = acts.examples.TelescopeDetector(config)
0050     trackingGeometry = detector.trackingGeometry()
0051     contextDecorators = detector.contextDecorators()
0052
0053     assert detector is not None
0054     assert trackingGeometry is not None
0055     assert contextDecorators is not None
0056
0057     assert count_surfaces(trackingGeometry) == n_surfaces
0058
0059
0060 @pytest.mark.skipif(not dd4hepEnabled, reason="DD4hep is not set up")
0061 def test_odd():
0062     with getOpenDataDetector() as detector:
0063         trackingGeometry = detector.trackingGeometry()
0064
0065         trackingGeometry.visitSurfaces(check_extra_odd)
0066
0067         assert count_surfaces(trackingGeometry) == 18824
0068
0069
0070 import itertools
0071
0072
0073 def test_tgeo_config_triplet(monkeypatch):
0074
0075     from acts.examples.tgeo import TGeoDetector, Interval
0076
0077     # monkeypatch the comparison operator
0078     def eq(self, other):
0079         return self.lower == other.lower and self.upper == other.upper
0080
0081     monkeypatch.setattr(Interval, "__eq__", eq)
0082
0083     LayerTriplet = TGeoDetector.Config.LayerTriplet
0084     c = TGeoDetector.Config
0085
0086     def assert_combinations(value, _type):
0087         t = LayerTriplet(value)
0088         assert t.negative == value and t.central == value and t.positive == value
0089         assert isinstance(t, _type)
0090
0091         keys = ["negative", "central", "positive"]
0092
0093         combinations = (
0094             [(k,) for k in keys] + list(itertools.combinations(keys, 2)) + [keys]
0095         )
0096
0097         for c in combinations:
0098             d = {k: value for k in c}
0099
0100             t = LayerTriplet(**d)
0101             assert isinstance(t, _type)
0102             for k in c:
0103                 assert getattr(t, k) == value
0104
0105     v = ["Some::SensorName"]
0106     assert_combinations(v, c.LayerTripletVectorString)
0107
0108     with pytest.raises(TypeError):
0109         LayerTriplet(["Some::SensorName", 848])
0110
0111     with pytest.raises(TypeError):
0112         LayerTriplet(("Some::SensorName", 848))
0113
0114     for v in (True, False):
0115         assert_combinations(v, c.LayerTripletBool)
0116
0117     assert_combinations("hallo", c.LayerTripletString)
0118
0119     assert_combinations(5.3, c.LayerTripletDouble)
0120
0121     assert_combinations(Interval(5.0, 9.0), c.LayerTripletInterval)
0122
0123     with pytest.raises(TypeError):
0124         LayerTriplet(("a", 9))
0125
0126     v = (4.4, 2.2)
0127     t = LayerTriplet(v)
0128     assert t.negative == Interval(*v)
0129     assert t.central == Interval(*v)
0130     assert t.positive == Interval(*v)
0131
0132
0133 def test_tgeo_config_volume(monkeypatch):
0134     from acts.examples.tgeo import TGeoDetector, Interval
0135
0136     # monkeypatch the comparison operator
0137     def eq(self, other):
0138         return self.lower == other.lower and self.upper == other.upper
0139
0140     monkeypatch.setattr(Interval, "__eq__", eq)
0141
0142     Volume = TGeoDetector.Config.Volume
0143
0144     v = Volume(name="blubb")
0145     assert v
0146
0147     for key in ("binToleranceR", "binToleranceZ", "binTolerancePhi"):
0148         v = Volume(**{key: Interval(4, 5)})
0149         assert getattr(v, key) == Interval(4, 5)
0150
0151         v = Volume(**{key: (4, 5)})
0152         assert getattr(v, key) == Interval(4, 5)
0153
0154         v = Volume(**{key: (None, 5)})
0155         assert getattr(v, key) == Interval(None, 5)
0156
0157         v = Volume(**{key: (4, None)})
0158         assert getattr(v, key) == Interval(4, None)
0159
0160
0161 def test_coordinate_converter(trk_geo):
0162     from acts.examples import json
0163
0164     digiCfg = acts.examples.DigitizationAlgorithm.Config(
0165         digitizationConfigs=acts.examples.json.readDigiConfigFromJson(
0166             str(
0167                 Path(__file__).parent.parent.parent.parent
0168                 / "Examples/Configs/generic-digi-smearing-config.json"
0169             )
0170         ),
0171         surfaceByIdentifier=trk_geo.geoIdSurfaceMap(),
0172     )
0173     converter = acts.examples.DigitizationCoordinatesConverter(digiCfg)
0174
0175     def test_surface(surface):
0176         gctx = acts.GeometryContext()
0177         geo_id = surface.geometryId.value
0178         geo_center = surface.center(gctx)
0179         x, y, z = geo_center[0], geo_center[1], geo_center[2]
0180
0181         # test if surface center can be reproduced
0182         assert converter.globalToLocal(geo_id, x, y, z) == (0, 0)
0183         assert converter.localToGlobal(geo_id, 0, 0) == (x, y, z)
0184
0185         # test if we can get back to the same local coordinates
0186         global_shifted = converter.localToGlobal(geo_id, 5, 5)
0187         local_shifted = converter.globalToLocal(geo_id, *global_shifted)
0188         assert abs(local_shifted[0] - 5) / 5 < 1e-6
0189         assert abs(local_shifted[1] - 5) / 5 < 1e-6
0190
0191     trk_geo.visitSurfaces(test_surface)