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

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Revision 3948 - (show annotations)
Fri Aug 24 01:01:34 2012 UTC (7 years, 2 months ago) by caltinay
File MIME type: text/x-python
File size: 1752 byte(s)
Some interface changes to make the inversion more flexible.

1
2 ########################################################
3 #
4 # Copyright (c) 2003-2012 by University of Queensland
5 # Earth Systems Science Computational Center (ESSCC)
6 # http://www.uq.edu.au/esscc
7 #
8 # Primary Business: Queensland, Australia
9 # Licensed under the Open Software License version 3.0
10 # http://www.opensource.org/licenses/osl-3.0.php
11 #
12 ########################################################
13
14 __copyright__="""Copyright (c) 2003-2012 by University of Queensland
15 Earth Systems Science Computational Center (ESSCC)
16 http://www.uq.edu.au/esscc
17 Primary Business: Queensland, Australia"""
18 __license__="""Licensed under the Open Software License version 3.0
19 http://www.opensource.org/licenses/osl-3.0.php"""
20 __url__="https://launchpad.net/escript-finley"
21
22 import logging
23 import os
24 from esys.escript import unitsSI as U
25 from esys.downunder.datasources import SyntheticDataSource,SmoothAnomaly
26 from esys.downunder.inversions import GravityInversion
27
28
29 try:
30 WORKDIR=os.environ['DOWNUNDER_WORKDIR']
31 except KeyError:
32 WORKDIR='.'
33
34 features=[SmoothAnomaly(lx=50*U.km, ly=20*U.km, lz=40*U.km, \
35 x=100*U.km, y=3*U.km, depth=25*U.km, rho_inner=200., rho_outer=1e-6),\
36 SmoothAnomaly(lx=50*U.km, ly=20*U.km, lz=40*U.km,
37 x=400*U.km, y=1*U.km, depth=40*U.km, rho_inner=-200, rho_outer=1e-6)]
38
39 logger=logging.getLogger('inv')
40 logger.setLevel(logging.INFO)
41 handler=logging.StreamHandler()
42 handler.setLevel(logging.INFO)
43 logger.addHandler(handler)
44 source=SyntheticDataSource(DIM=2, NE=20, l=500*U.km, h=60*U.km, features=features)
45 source.setPadding(5, 0.1)
46 inv=GravityInversion()
47 inv.setDataSource(source)
48 inv.setSolverTolerance(1e-5)
49 inv.setSolverMaxIterations(100)
50 inv.setSolverOptions(initialHessian=100)
51 inv.setup()
52 rho_new=inv.run()
53

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