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25 lines
721 B
Python
25 lines
721 B
Python
"""
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Test coordinates computation.
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"""
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import numpy as np
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from roentgen.flinger import osm_zoom_level_to_pixels_per_meter, pseudo_mercator
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__author__ = "Sergey Vartanov"
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__email__ = "me@enzet.ru"
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def test_pseudo_mercator() -> None:
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"""Test pseudo-Mercator projection."""
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assert np.allclose(pseudo_mercator(np.array((0, 0))), np.array((0, 0)))
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assert np.allclose(pseudo_mercator(np.array((0, 10))), np.array((10, 0)))
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assert np.allclose(
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pseudo_mercator(np.array((10, 0))), np.array((0, 10.05115966))
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)
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def test_osm_zoom_level_to_pixels_per_meter() -> None:
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"""Test scale computation."""
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assert np.allclose(
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osm_zoom_level_to_pixels_per_meter(18), 1.6759517949045808
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)
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