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test_mopad_script.py
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test_mopad_script.py
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# -*- coding: utf-8 -*-
"""
The obspy-mopad script test suite.
"""
import io
import os
from itertools import product, zip_longest
import numpy as np
import pytest
from obspy.core.util.misc import CatchOutput
from obspy.imaging.scripts.mopad import main as obspy_mopad
class TestMopad:
"""
Test cases for obspy-mopad script.
"""
path = os.path.join(os.path.dirname(__file__), 'images')
mt = [0.91, -0.89, -0.02, 1.78, -1.55, 0.47]
def test_script_convert_type_sdr(self):
with CatchOutput() as out:
obspy_mopad(['convert', '--fancy', '-t', 'sdr',
','.join(str(x) for x in self.mt)])
expected = '''
Fault plane 1: strike = 77°, dip = 89°, slip-rake = -141°
Fault plane 2: strike = 346°, dip = 51°, slip-rake = -1°
'''
result = out.stdout[:-1]
assert expected == result
def test_script_convert_type_tensor(self):
with CatchOutput() as out:
obspy_mopad(['convert', '--fancy', '-t', 't',
','.join(str(x) for x in self.mt)])
expected = r'''
Full moment tensor in NED-coordinates:
/ 0.91 1.78 -1.55 \
| 1.78 -0.89 0.47 |
\ -1.55 0.47 -0.02 /
'''
assert expected == out.stdout
def test_script_convert_type_tensor_large(self):
with CatchOutput() as out:
obspy_mopad(['convert', '--fancy', '-t', 't',
','.join(str(x * 100) for x in self.mt)])
expected = r'''
Full moment tensor in NED-coordinates:
/ 0.51 1.00 -0.87 \
| 1.00 -0.50 0.26 | x 178.000000
\ -0.87 0.26 -0.01 /
'''
assert expected == out.stdout
def test_script_convert_basis(self):
expected = [
(0.91, -0.89, -0.02, 1.78, -1.55, 0.47),
(-0.02, 0.91, -0.89, -1.55, -0.47, -1.78),
(-0.89, 0.91, -0.02, 1.78, -0.47, 1.55),
(0.91, -0.89, -0.02, -1.78, 1.55, 0.47),
(-0.89, -0.02, 0.91, -0.47, 1.78, 1.55),
(0.91, -0.89, -0.02, 1.78, -1.55, 0.47),
(-0.02, -0.89, 0.91, -0.47, -1.55, -1.78),
(-0.89, -0.02, 0.91, 0.47, -1.78, 1.55),
(-0.89, 0.91, -0.02, 1.78, -0.47, 1.55),
(-0.02, -0.89, 0.91, -0.47, -1.55, -1.78),
(0.91, -0.89, -0.02, 1.78, -1.55, 0.47),
(-0.89, 0.91, -0.02, -1.78, 0.47, 1.55),
(0.91, -0.89, -0.02, -1.78, 1.55, 0.47),
(-0.02, 0.91, -0.89, 1.55, -0.47, 1.78),
(-0.89, 0.91, -0.02, -1.78, -0.47, -1.55),
(0.91, -0.89, -0.02, 1.78, -1.55, 0.47)
]
for exp, (insys, outsys) in zip(expected,
product(['NED', 'USE', 'XYZ', 'NWU'],
repeat=2)):
with CatchOutput() as out:
obspy_mopad(['convert', '-b', insys, outsys,
','.join(str(x) for x in self.mt)])
actual = eval(out.stdout)
assert len(exp) == len(actual)
for i, (e, a) in enumerate(zip(exp, actual)):
msg = '%d: %f != %f in %s -> %s conversion' % (i, e, a,
insys, outsys)
assert round(abs(e-a), 7) == 0, msg
def test_script_convert_vector(self):
with CatchOutput() as out:
obspy_mopad(['convert', '-v', 'NED', 'NED',
','.join(str(x) for x in self.mt)])
expected = str(self.mt) + '\n'
assert expected == out.stdout
#
# obspy-mopad decompose
#
def test_script_decompose(self):
with CatchOutput() as out:
obspy_mopad(['decompose', '-y', ','.join(str(x) for x in self.mt)])
expected = '''
Scalar Moment: M0 = 2.61206 Nm (Mw = -5.8)
Moment Tensor: Mnn = 0.091, Mee = -0.089, Mdd = -0.002,
Mne = 0.178, Mnd = -0.155, Med = 0.047 [ x 10 ]
Fault plane 1: strike = 77°, dip = 89°, slip-rake = -141°
Fault plane 2: strike = 346°, dip = 51°, slip-rake = -1°
'''
result = out.stdout[:-1]
assert expected == result
#
# obspy-mopad gmt
#
def compare_gmt(self, exp_file, *args):
"""
Helper function that runs GMT and compares results.
"""
with CatchOutput() as out:
obspy_mopad(['gmt'] + list(args) +
[','.join(str(x) for x in self.mt)])
expected = os.path.join(self.path, exp_file)
# Test headers
with open(expected, 'rt') as expf:
bio = out.stdout
# expf.read().splitlines() differs to expf.readlines() ?!?!?!
for exp_line, out_line in zip_longest(expf.read().splitlines(),
bio.splitlines(),
fillvalue=''):
if exp_line.startswith('>') or out_line.startswith('>'):
assert exp_line == out_line, \
'Headers do not match!'
# Test actual data
exp_data = np.genfromtxt(expected, comments='>')
with io.BytesIO(out.stdout.encode('utf-8')) as bio:
out_data = np.genfromtxt(bio, comments='>')
assert exp_data.shape == out_data.shape, \
'Data does not match!'
assert np.allclose(exp_data, out_data), \
'Data does not match!'
def test_script_gmt_fill(self):
self.compare_gmt('mopad_fill.gmt',
'-t', 'fill',
'--scaling', '2', '--color1', '3', '--color2', '5')
def test_script_gmt_lines(self):
self.compare_gmt('mopad_lines.gmt',
'-t', 'lines',
'--scaling', '2', '--color1', '3', '--color2', '5')
def test_script_gmt_lines_stereo(self):
self.compare_gmt('mopad_lines_stereo.gmt',
'-t', 'lines',
'--scaling', '2', '--color1', '3', '--color2', '5',
'--projection', 'stereo')
def test_script_gmt_lines_ortho(self):
self.compare_gmt('mopad_lines_ortho.gmt',
'-t', 'lines',
'--scaling', '2', '--color1', '3', '--color2', '5',
'--projection', 'ortho')
def test_script_gmt_lines_lambo(self):
self.compare_gmt('mopad_lines_lambo.gmt',
'-t', 'lines',
'--scaling', '2', '--color1', '3', '--color2', '5',
'--projection', 'stereo')
def test_script_gmt_event(self):
self.compare_gmt('mopad_ev.gmt',
'-t', 'ev',
'-r', '3')
@pytest.mark.skip('Currently broken until further review.')
def test_script_plot(self, image_path):
# See test_Beachball:
data = [
[0.91, -0.89, -0.02, 1.78, -1.55, 0.47],
[274, 13, 55],
[130, 79, 98],
[264.98, 45.00, -159.99],
[160.55, 76.00, -46.78],
[1.45, -6.60, 5.14, -2.67, -3.16, 1.36],
[235, 80, 35],
[138, 56, 168],
[1, 1, 1, 0, 0, 0],
[-1, -1, -1, 0, 0, 0],
[1, -2, 1, 0, 0, 0],
[1, -1, 0, 0, 0, 0],
[1, -1, 0, 0, 0, -1],
[179, 55, -78],
[10, 42.5, 90],
[10, 42.5, 92],
[150, 87, 1],
[0.99, -2.00, 1.01, 0.92, 0.48, 0.15],
[5.24, -6.77, 1.53, 0.81, 1.49, -0.05],
[16.578, -7.987, -8.592, -5.515, -29.732, 7.517],
[-2.39, 1.04, 1.35, 0.57, -2.94, -0.94],
]
filenames = [
'bb_sumatra_mt.png', 'bb_sumatra_np1.png', 'bb_sumatra_np2.png',
'bb_19950128_np1.png', 'bb_19950128_np2.png', 'bb_20090102_mt.png',
'bb_20090102_np1.png', 'bb-20090102-np2.png', 'bb_explosion.png',
'bb_implosion.png', 'bb_clvd.png', 'bb_double_couple.png',
'bb_lars.png', 'bb_geiyo_np1.png', 'bb_honshu_np1.png',
'bb_honshu_np2.png', 'bb_tottori_np1.png', 'bb_20040905_1_mt.png',
'bb_20040905_0_mt.png', 'bb_miyagi_mt.png', 'bb_chile_mt.png',
]
messages = ''
for mt, filename in zip(data, filenames):
with CatchOutput() as out:
obspy_mopad(['plot',
'--output-file', image_path,
'--input-system', 'USE',
'--tension-color', 'b',
'--pressure-color', 'w',
'--lines', '1', 'k', '1',
'--nodals', '1', 'k', '1',
'--size', '2.54', '--quality', '200',
'--',
','.join(str(x) for x in mt)])
assert '' == out.stdout
if messages:
pytest.fail(messages)