/[escript]/trunk/downunder/test/python/run_seismic.py
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Contents of /trunk/downunder/test/python/run_seismic.py

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Revision 4858 - (show annotations)
Wed Apr 9 23:34:17 2014 UTC (5 years, 6 months ago) by sshaw
File MIME type: text/x-python
File size: 5214 byte(s)
skipping multirank segywriter tests now that multirank writes throw exceptions
1
2 ##############################################################################
3 #
4 # Copyright (c) 2003-2014 by University of Queensland
5 # http://www.uq.edu.au
6 #
7 # Primary Business: Queensland, Australia
8 # Licensed under the Open Software License version 3.0
9 # http://www.opensource.org/licenses/osl-3.0.php
10 #
11 # Development until 2012 by Earth Systems Science Computational Center (ESSCC)
12 # Development 2012-2013 by School of Earth Sciences
13 # Development from 2014 by Centre for Geoscience Computing (GeoComp)
14 #
15 ##############################################################################
16
17 __copyright__="""Copyright (c) 2003-2014 by University of Queensland
18 http://www.uq.edu.au
19 Primary Business: Queensland, Australia"""
20 __license__="""Licensed under the Open Software License version 3.0
21 http://www.opensource.org/licenses/osl-3.0.php"""
22 __url__="https://launchpad.net/escript-finley"
23
24 import logging
25 import unittest
26 import numpy as np
27 import os
28 import sys
29 from esys.downunder import *
30 from esys.escript import unitsSI as U
31 from esys.escript import *
32 from esys.weipa import saveSilo
33
34 # this is mainly to avoid warning messages
35 logging.basicConfig(format='%(name)s: %(message)s', level=logging.INFO)
36
37 try:
38 TEST_DATA_ROOT=os.environ['DOWNUNDER_TEST_DATA_ROOT']
39 except KeyError:
40 TEST_DATA_ROOT='ref_data'
41
42 try:
43 WORKDIR=os.environ['DOWNUNDER_WORKDIR']
44 except KeyError:
45 WORKDIR='.'
46
47 writeFailMessage = "This feature (SimpleSEGYWriter.write()) depends on obspy, which is not installed, see https://github.com/obspy/obspy for install guide"
48
49
50 class TestSeismicTools(unittest.TestCase):
51 @unittest.skipIf(getMPISizeWorld() > 1,
52 "segywriters don't support multiple ranks")
53 def test_segy_writer1(self):
54 sw= SimpleSEGYWriter(receiver_group=[0.,1.,2.], source=1., sampling_interval=10*U.msec, text="testing")
55 self.assertRaises(ValueError, sw.addRecord, [1])
56 for i in range(713):
57 # Create some random data.
58 data = np.random.ranf(3)
59 sw.addRecord(data)
60 try:
61 sw.write(os.path.join(WORKDIR,"test1.sgy"))
62 except Exception as e:
63 if str(e) == writeFailMessage:
64 raise unittest.SkipTest("obspy not installed")
65 raise e
66
67 @unittest.skipIf(getMPISizeWorld() > 1,
68 "segywriters don't support multiple ranks")
69 def test_segy_writer2(self):
70 sw= SimpleSEGYWriter(receiver_group=[(0.,0.),(1.,-1.),(2.,-2)], source=(3,3), sampling_interval=10*U.msec, text="testing")
71 self.assertRaises(ValueError, sw.addRecord, [1])
72 for i in range(411):
73 # Create some random data.
74 data = np.random.ranf(3)
75 sw.addRecord(data)
76 try:
77 sw.write(os.path.join(WORKDIR,"test2.sgy"))
78 except Exception as e:
79 if str(e) == writeFailMessage:
80 raise unittest.SkipTest("obspy not installed")
81 raise e
82
83 def test_ricker(self):
84 rw=Ricker(f_dom=40, t_dom=None)
85
86 self.assertLess(abs(rw.getValue(0)), 1e-6)
87 self.assertAlmostEquals(rw.getValue(rw.getCenter()), 1. )
88 self.assertLess(abs(rw.getAcceleration(0.)), 1.)
89
90 def test_wavebase(self):
91 class TestWave(WaveBase):
92 def _getAcceleration(self, t, u):
93 return -sin(t)
94 def check_values(self, tw, t_ref):
95 t, u=tw.update(t_ref)
96 self.assertLess(abs(t-t_ref), 1e-9)
97 self.assertLess(abs(u-sin(t_ref)), 1e-6)
98
99 tw=TestWave(dt=0.001, u0=0., v0=1., t0=0.)
100 self.assertAlmostEquals(0.001, tw.getTimeStepSize())
101 for t in [0.005, 0.007, 0.0071, 0.01, 0.02, 0.5]:
102 check_values(self, tw, t)
103 self.assertRaises(ValueError, tw.update, t-1)
104
105 def sonicRunner(self, domain, label):
106 v_p=1.
107 sw = SonicWave(domain, v_p, Ricker(0.5), source_tag='sss')
108 u = sw.update(1.)[1]
109 self.assertIsInstance(u, Data,
110 "u is not Data instance for %s"%label)
111 self.assertEqual(u.getShape(), (),
112 "u is not shape () for %s"%label)
113 self.assertEqual(u.getFunctionSpace(), Solution(domain),
114 "functionspace != solution for %s"%label)
115
116 def test_sonicwave2D(self):
117 from esys.finley import Rectangle as fRect
118 from esys.ripley import Rectangle as rRect
119 for domType, impl in [(fRect, "finley"), (rRect, "ripley")]:
120 domain=domType(5,5, diracPoints=[(0.5,1.)], diracTags=['sss'])
121 self.sonicRunner(domain, "%s.Rectangle"%impl)
122
123 def test_sonicwave3D(self):
124 from esys.finley import Brick as fBrick
125 from esys.ripley import Brick as rBrick
126 for domType, impl in [(fBrick, "finley"), (rBrick, "ripley")]:
127 domain=domType(5,5,5, diracPoints=[(0.5,0.5,1.)], diracTags=['sss'])
128 self.sonicRunner(domain, "%s.Brick"%impl)
129
130 if __name__ == "__main__":
131 suite = unittest.TestSuite()
132 suite.addTest(unittest.makeSuite(TestSeismicTools))
133 s=unittest.TextTestRunner(verbosity=2).run(suite)
134 if not s.wasSuccessful(): sys.exit(1)
135

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