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

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revision 4083 by caltinay, Mon Nov 19 22:19:42 2012 UTC revision 4115 by gross, Fri Dec 14 04:48:48 2012 UTC
# Line 33  except KeyError: Line 33  except KeyError:
33     WORKDIR='.'     WORKDIR='.'
34    
35  features=[SmoothAnomaly(lx=30*U.km, ly=20*U.km, lz=18.*U.km, \  features=[SmoothAnomaly(lx=30*U.km, ly=20*U.km, lz=18.*U.km, \
36       x=8*U.km, y=3*U.km, depth=2.5*U.km, v_inner=200., v_outer=1e-6),\       x=22*U.km, y=3*U.km, depth=10*U.km, v_inner=200., v_outer=1e-6),\
37            SmoothAnomaly(lx=25*U.km, ly=20*U.km, lz=20*U.km,            SmoothAnomaly(lx=25*U.km, ly=20*U.km, lz=20*U.km,
38       x=30*U.km, y=1*U.km, depth=18*U.km, v_inner=-200., v_outer=1e-6),\       x=40*U.km, y=1*U.km, depth=22*U.km, v_inner=-500., v_outer=1e-6),\
39            SmoothAnomaly(lx=30*U.km, ly=20*U.km, lz=18.*U.km, \            SmoothAnomaly(lx=30*U.km, ly=20*U.km, lz=18.*U.km, \
40       x=68*U.km, y=3*U.km, depth=5*U.km, v_inner=200., v_outer=1e-6)]       x=68*U.km, y=3*U.km, depth=13*U.km, v_inner=200., v_outer=1e-6)]
41    
42  logger=logging.getLogger('inv')  logger=logging.getLogger('inv')
43  logger.setLevel(logging.DEBUG)  logger.setLevel(logging.DEBUG)
44  handler=logging.StreamHandler()  handler=logging.StreamHandler()
45  handler.setLevel(logging.DEBUG)  handler.setLevel(logging.DEBUG)
46  logger.addHandler(handler)  logger.addHandler(handler)
47  source=SyntheticData(DataSource.GRAVITY, DIM=2, NE=60, l=100*U.km, features=features)  source=SyntheticFeatureData(DataSource.GRAVITY, DIM=2, number_of_elements=220, length=100*U.km, features=features)
48  domainbuilder=DomainBuilder(dim=2)  domainbuilder=DomainBuilder(dim=2)
49  domainbuilder.addSource(source)  domainbuilder.addSource(source)
50  domainbuilder.setPadding(10)  domainbuilder.setElementPadding(20)
51  domainbuilder.setVerticalExtents(depth=30*U.km, air_layer=10*U.km, num_cells=16)  domainbuilder.setVerticalExtents(depth=50*U.km, air_layer=20*U.km, num_cells=25)
52    
53  inv=GravityInversion()  inv=GravityInversion()
54  inv.setSolverTolerance(1e-4)  inv.setSolverTolerance(1e-4)
55  inv.setSolverMaxIterations(40)  inv.setSolverMaxIterations(10)
56    #inv.setTradeOffFactors(mu_model=30.)
57  inv.setup(domainbuilder)  inv.setup(domainbuilder)
58    
59  rho_new=inv.run()  rho_new=inv.run()
60    print "rho_new = ",rho_new
61    print "rho =", source.getReferenceProperty()
62  g, chi = inv.getForwardModel().getSurvey(0)  g, chi = inv.getForwardModel().getSurvey(0)
63  saveSilo(os.path.join(WORKDIR, 'gravinv'), density=rho_new, density_ref=source.getReferenceDensity(), g=g, chi=chi)  saveSilo(os.path.join(WORKDIR, 'gravinv'), density=rho_new, density_ref=source.getReferenceProperty(), g=g, chi=chi)
64    

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