mirror of
https://github.com/wassname/simpeg.git
synced 2026-06-28 04:55:25 +08:00
Brendan Smithyman
389 lines
14 KiB
Python
389 lines
14 KiB
Python
from __future__ import unicode_literals
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from __future__ import print_function
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from __future__ import division
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from __future__ import absolute_import
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from builtins import int
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from future import standard_library
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standard_library.install_aliases()
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from builtins import range
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import unittest
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from SimPEG import *
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class FieldsTest(unittest.TestCase):
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def setUp(self):
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mesh = Mesh.TensorMesh([np.ones(n)*5 for n in [10,11,12]],[0,0,-30])
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x = np.linspace(5,10,3)
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XYZ = Utils.ndgrid(x,x,np.r_[0.])
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srcLoc = np.r_[0,0,0.]
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rxList0 = Survey.BaseRx(XYZ, 'exi')
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Src0 = Survey.BaseSrc([rxList0], loc=srcLoc)
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rxList1 = Survey.BaseRx(XYZ, 'bxi')
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Src1 = Survey.BaseSrc([rxList1], loc=srcLoc)
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rxList2 = Survey.BaseRx(XYZ, 'bxi')
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Src2 = Survey.BaseSrc([rxList2], loc=srcLoc)
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rxList3 = Survey.BaseRx(XYZ, 'bxi')
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Src3 = Survey.BaseSrc([rxList3], loc=srcLoc)
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Src4 = Survey.BaseSrc([rxList0, rxList1, rxList2, rxList3], loc=srcLoc)
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srcList = [Src0,Src1,Src2,Src3,Src4]
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survey = Survey.BaseSurvey(srcList=srcList)
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self.D = Survey.Data(survey)
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self.F = Problem.Fields(mesh, survey, knownFields={'phi':'CC','e':'E','b':'F'}, dtype={"phi":float,"e":complex,"b":complex})
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self.Src0 = Src0
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self.Src1 = Src1
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self.mesh = mesh
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self.XYZ = XYZ
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def test_contains(self):
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F = self.F
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nSrc = F.survey.nSrc
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self.assertTrue('b' not in F)
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self.assertTrue('e' not in F)
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e = np.random.rand(F.mesh.nE, nSrc)
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F[:, 'e'] = e
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self.assertTrue('b' not in F)
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self.assertTrue('e' in F)
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def test_overlappingFields(self):
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self.assertRaises(AssertionError, Problem.Fields, self.F.mesh, self.F.survey,
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knownFields={'b':'F'},
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aliasFields={'b':['b',(lambda F, b, ind: b)]})
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def test_SetGet(self):
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F = self.F
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nSrc = F.survey.nSrc
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e = np.random.rand(F.mesh.nE, nSrc) + np.random.rand(F.mesh.nE, nSrc)*1j
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F[:, 'e'] = e
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b = np.random.rand(F.mesh.nF, nSrc) + np.random.rand(F.mesh.nF, nSrc)*1j
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F[:, 'b'] = b
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self.assertTrue(np.all(F[:, 'e'] == e))
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self.assertTrue(np.all(F[:, 'b'] == b))
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F[:] = {'b':b,'e':e}
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self.assertTrue(np.all(F[:, 'e'] == e))
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self.assertTrue(np.all(F[:, 'b'] == b))
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for s in [0,0.0,np.r_[0],int(0)]:
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F[:, 'b'] = s
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self.assertTrue(np.all(F[:, 'b'] == b*0))
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b = np.random.rand(F.mesh.nF,1)
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F[self.Src0, 'b'] = b
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self.assertTrue(np.all(F[self.Src0, 'b'] == b))
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b = np.random.rand(F.mesh.nF,1)
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F[self.Src0, 'b'] = b
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self.assertTrue(np.all(F[self.Src0, 'b'] == b))
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phi = np.random.rand(F.mesh.nC,2)
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F[[self.Src0,self.Src1], 'phi'] = phi
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self.assertTrue(np.all(F[[self.Src0,self.Src1], 'phi'] == phi))
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fdict = F[:,:]
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self.assertTrue(type(fdict) is dict)
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self.assertTrue(sorted([k for k in fdict]) == ['b','e','phi'])
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b = np.random.rand(F.mesh.nF, 2)
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F[[self.Src0, self.Src1],'b'] = b
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self.assertTrue(F[self.Src0]['b'].shape == (F.mesh.nF,1))
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self.assertTrue(F[self.Src0,'b'].shape == (F.mesh.nF,1))
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self.assertTrue(np.all(F[self.Src0,'b'] == Utils.mkvc(b[:,0],2)))
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self.assertTrue(np.all(F[self.Src1,'b'] == Utils.mkvc(b[:,1],2)))
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def test_assertions(self):
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freq = [self.Src0, self.Src1]
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bWrongSize = np.random.rand(self.F.mesh.nE, self.F.survey.nSrc)
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def fun(): self.F[freq, 'b'] = bWrongSize
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self.assertRaises(ValueError, fun)
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def fun(): self.F[-999.]
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self.assertRaises(KeyError, fun)
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def fun(): self.F['notRight']
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self.assertRaises(KeyError, fun)
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def fun(): self.F[freq,'notThere']
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self.assertRaises(KeyError, fun)
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class FieldsTest_Alias(unittest.TestCase):
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def setUp(self):
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mesh = Mesh.TensorMesh([np.ones(n)*5 for n in [10,11,12]],[0,0,-30])
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x = np.linspace(5,10,3)
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XYZ = Utils.ndgrid(x,x,np.r_[0.])
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srcLoc = np.r_[0,0,0.]
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rxList0 = Survey.BaseRx(XYZ, 'exi')
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Src0 = Survey.BaseSrc([rxList0],loc=srcLoc)
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rxList1 = Survey.BaseRx(XYZ, 'bxi')
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Src1 = Survey.BaseSrc([rxList1],loc=srcLoc)
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rxList2 = Survey.BaseRx(XYZ, 'bxi')
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Src2 = Survey.BaseSrc([rxList2],loc=srcLoc)
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rxList3 = Survey.BaseRx(XYZ, 'bxi')
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Src3 = Survey.BaseSrc([rxList3],loc=srcLoc)
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Src4 = Survey.BaseSrc([rxList0, rxList1, rxList2, rxList3],loc=srcLoc)
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srcList = [Src0,Src1,Src2,Src3,Src4]
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survey = Survey.BaseSurvey(srcList=srcList)
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self.F = Problem.Fields(mesh, survey, knownFields={'e':'E'}, aliasFields={'b':['e','F',(lambda e, ind: self.F.mesh.edgeCurl * e)]})
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self.Src0 = Src0
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self.Src1 = Src1
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self.mesh = mesh
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self.XYZ = XYZ
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def test_contains(self):
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F = self.F
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nSrc = F.survey.nSrc
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self.assertTrue('b' not in F)
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self.assertTrue('e' not in F)
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e = np.random.rand(F.mesh.nE, nSrc)
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F[:, 'e'] = e
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self.assertTrue('b' in F)
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self.assertTrue('e' in F)
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def test_simpleAlias(self):
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F = self.F
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nSrc = F.survey.nSrc
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e = np.random.rand(F.mesh.nE, nSrc)
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F[:, 'e'] = e
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self.assertTrue(np.all(F[:, 'b'] == F.mesh.edgeCurl * e ))
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e = np.random.rand(F.mesh.nE,1)
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F[self.Src0, 'e'] = e
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self.assertTrue(np.all(F[self.Src0, 'b'] == F.mesh.edgeCurl * e))
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def f():
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F[self.Src0, 'b'] = F[self.Src0, 'b']
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self.assertRaises(KeyError, f) # can't set a alias attr.
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def test_aliasFunction(self):
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def alias(e, ind):
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self.assertTrue(ind[0] is self.Src0)
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return self.F.mesh.edgeCurl * e
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F = Problem.Fields(self.F.mesh, self.F.survey, knownFields={'e':'E'}, aliasFields={'b':['e','F',alias]})
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e = np.random.rand(F.mesh.nE,1)
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F[self.Src0, 'e'] = e
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F[self.Src0, 'b']
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def alias(e, ind):
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self.assertTrue(type(ind) is list)
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self.assertTrue(ind[0] is self.Src0)
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self.assertTrue(ind[1] is self.Src1)
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return self.F.mesh.edgeCurl * e
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F = Problem.Fields(self.F.mesh, self.F.survey, knownFields={'e':'E'}, aliasFields={'b':['e','F',alias]})
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e = np.random.rand(F.mesh.nE,2)
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F[[self.Src0, self.Src1], 'e'] = e
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F[[self.Src0, self.Src1], 'b']
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class FieldsTest_Time(unittest.TestCase):
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def setUp(self):
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mesh = Mesh.TensorMesh([np.ones(n)*5 for n in [10,11,12]],[0,0,-30])
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x = np.linspace(5,10,3)
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XYZ = Utils.ndgrid(x,x,np.r_[0.])
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srcLoc = np.r_[0,0,0.]
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rxList0 = Survey.BaseRx(XYZ, 'exi')
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Src0 = Survey.BaseSrc([rxList0], loc=srcLoc)
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rxList1 = Survey.BaseRx(XYZ, 'bxi')
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Src1 = Survey.BaseSrc([rxList1], loc=srcLoc)
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rxList2 = Survey.BaseRx(XYZ, 'bxi')
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Src2 = Survey.BaseSrc([rxList2], loc=srcLoc)
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rxList3 = Survey.BaseRx(XYZ, 'bxi')
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Src3 = Survey.BaseSrc([rxList3], loc=srcLoc)
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Src4 = Survey.BaseSrc([rxList0, rxList1, rxList2, rxList3], loc=srcLoc)
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srcList = [Src0,Src1,Src2,Src3,Src4]
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survey = Survey.BaseSurvey(srcList=srcList)
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prob = Problem.BaseTimeProblem(mesh, timeSteps=[(10.,3), (20.,2)])
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survey.pair(prob)
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self.F = Problem.TimeFields(mesh, survey, knownFields={'phi':'CC','e':'E','b':'F'})
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self.Src0 = Src0
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self.Src1 = Src1
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self.mesh = mesh
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self.XYZ = XYZ
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def test_contains(self):
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F = self.F
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nSrc = F.survey.nSrc
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nT = F.survey.prob.nT + 1
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self.assertTrue('b' not in F)
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self.assertTrue('e' not in F)
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self.assertTrue('phi' not in F)
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e = np.random.rand(F.mesh.nE, nSrc, nT)
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F[:, 'e', :] = e
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self.assertTrue('e' in F)
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self.assertTrue('b' not in F)
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self.assertTrue('phi' not in F)
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def test_SetGet(self):
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F = self.F
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nSrc = F.survey.nSrc
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nT = F.survey.prob.nT + 1
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e = np.random.rand(F.mesh.nE, nSrc, nT)
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F[:, 'e'] = e
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b = np.random.rand(F.mesh.nF, nSrc, nT)
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F[:, 'b'] = b
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self.assertTrue(np.all(F[:, 'e'] == e))
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self.assertTrue(np.all(F[:, 'b'] == b))
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F[:] = {'b':b,'e':e}
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self.assertTrue(np.all(F[:, 'e'] == e))
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self.assertTrue(np.all(F[:, 'b'] == b))
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for s in [0,0.0,np.r_[0],int(0)]:
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F[:, 'b'] = s
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self.assertTrue(np.all(F[:, 'b'] == b*0))
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b = np.random.rand(F.mesh.nF,1,nT)
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F[self.Src0, 'b'] = b
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self.assertTrue(np.all(F[self.Src0, 'b'] == b[:,0,:]))
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b = np.random.rand(F.mesh.nF,1,nT)
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F[self.Src0, 'b', 0] = b[:,:,0]
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self.assertTrue(np.all(F[self.Src0, 'b', 0] == Utils.mkvc(b[:,0,0],2)))
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phi = np.random.rand(F.mesh.nC,2,nT)
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F[[self.Src0,self.Src1], 'phi'] = phi
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self.assertTrue(np.all(F[[self.Src0,self.Src1], 'phi'] == phi))
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fdict = F[:]
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self.assertTrue(type(fdict) is dict)
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self.assertTrue(sorted([k for k in fdict]) == ['b','e','phi'])
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b = np.random.rand(F.mesh.nF, 2, nT)
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F[[self.Src0, self.Src1],'b'] = b
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self.assertTrue(F[self.Src0]['b'].shape == (F.mesh.nF,nT))
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self.assertTrue(F[self.Src0,'b'].shape == (F.mesh.nF,nT))
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self.assertTrue(np.all(F[self.Src0,'b'] == b[:,0,:]))
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self.assertTrue(np.all(F[self.Src1,'b'] == b[:,1,:]))
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self.assertTrue(np.all(F[self.Src0,'b',1] == Utils.mkvc(b[:,0,1],2)))
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self.assertTrue(np.all(F[self.Src1,'b',1] == Utils.mkvc(b[:,1,1],2)))
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self.assertTrue(np.all(F[self.Src0,'b',4] == Utils.mkvc(b[:,0,4],2)))
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self.assertTrue(np.all(F[self.Src1,'b',4] == Utils.mkvc(b[:,1,4],2)))
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b = np.random.rand(F.mesh.nF, 2, nT)
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F[[self.Src0, self.Src1],'b', 0] = b[:,:,0]
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def test_assertions(self):
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freq = [self.Src0, self.Src1]
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bWrongSize = np.random.rand(self.F.mesh.nE, self.F.survey.nSrc)
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def fun(): self.F[freq, 'b'] = bWrongSize
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self.assertRaises(ValueError, fun)
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def fun(): self.F[-999.]
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self.assertRaises(KeyError, fun)
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def fun(): self.F['notRight']
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self.assertRaises(KeyError, fun)
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def fun(): self.F[freq,'notThere']
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self.assertRaises(KeyError, fun)
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class FieldsTest_Time_Aliased(unittest.TestCase):
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def setUp(self):
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mesh = Mesh.TensorMesh([np.ones(n)*5 for n in [10,11,12]],[0,0,-30])
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x = np.linspace(5,10,3)
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XYZ = Utils.ndgrid(x,x,np.r_[0.])
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srcLoc = np.r_[0,0,0.]
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rxList0 = Survey.BaseRx(XYZ, 'exi')
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Src0 = Survey.BaseSrc( [rxList0],loc=srcLoc)
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rxList1 = Survey.BaseRx(XYZ, 'bxi')
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Src1 = Survey.BaseSrc( [rxList1],loc=srcLoc)
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rxList2 = Survey.BaseRx(XYZ, 'bxi')
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Src2 = Survey.BaseSrc( [rxList2],loc=srcLoc)
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rxList3 = Survey.BaseRx(XYZ, 'bxi')
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Src3 = Survey.BaseSrc( [rxList3],loc=srcLoc)
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Src4 = Survey.BaseSrc( [rxList0, rxList1, rxList2, rxList3],loc=srcLoc)
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srcList = [Src0,Src1,Src2,Src3,Src4]
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survey = Survey.BaseSurvey(srcList=srcList)
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prob = Problem.BaseTimeProblem(mesh, timeSteps=[(10.,3), (20.,2)])
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survey.pair(prob)
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def alias(b, srcInd, timeInd):
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return self.F.mesh.edgeCurl.T * b + timeInd
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self.F = Problem.TimeFields(mesh, survey, knownFields={'b':'F'}, aliasFields={'e':['b','E',alias]})
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self.Src0 = Src0
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self.Src1 = Src1
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self.mesh = mesh
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self.XYZ = XYZ
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def test_contains(self):
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F = self.F
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nSrc = F.survey.nSrc
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nT = F.survey.prob.nT + 1
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self.assertTrue('b' not in F)
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self.assertTrue('e' not in F)
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b = np.random.rand(F.mesh.nF, nSrc, nT)
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F[:, 'b', :] = b
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self.assertTrue('e' in F)
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self.assertTrue('b' in F)
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def test_simpleAlias(self):
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F = self.F
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nSrc = F.survey.nSrc
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nT = F.survey.prob.nT + 1
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b = np.random.rand(F.mesh.nF, nSrc, nT)
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F[:, 'b', :] = b
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self.assertTrue(np.all(F[:, 'e', 0] == F.mesh.edgeCurl.T * b[:,:,0] ))
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e = list(range(nT))
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for i in range(nT):
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e[i] = F.mesh.edgeCurl.T*b[:,:,i] + i
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e[i] = e[i][:,:,np.newaxis]
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e = np.concatenate(e, axis=2)
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self.assertTrue(np.all(F[:, 'e', :] == e ))
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self.assertTrue(np.all(F[self.Src0, 'e', :] == e[:,0,:] ))
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self.assertTrue(np.all(F[self.Src1, 'e', :] == e[:,1,:] ))
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for t in range(nT):
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self.assertTrue(np.all(F[self.Src1, 'e', t] == Utils.mkvc(e[:,1,t],2) ))
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b = np.random.rand(F.mesh.nF,nT)
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F[self.Src0, 'b',:] = b
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Cb = F.mesh.edgeCurl.T * b
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for i in range(Cb.shape[1]):
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Cb[:,i] += i
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self.assertTrue(np.all(F[self.Src0, 'e',:] == Cb))
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def f():
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F[self.Src0, 'e'] = F[self.Src0, 'e']
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self.assertRaises(KeyError, f) # can't set a alias attr.
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def test_aliasFunction(self):
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nT = self.F.survey.prob.nT + 1
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count = [0]
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def alias(e, srcInd, timeInd):
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count[0] += 1
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self.assertTrue(srcInd[0] is self.Src0)
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return self.F.mesh.edgeCurl * e
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F = Problem.TimeFields(self.F.mesh, self.F.survey, knownFields={'e':'E'}, aliasFields={'b':['e','F',alias]})
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e = np.random.rand(F.mesh.nE,1,nT)
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F[self.Src0, 'e', :] = e
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F[self.Src0, 'b', :]
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self.assertTrue(count[0] == nT) # ensure that this is called for every time separately.
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e = np.random.rand(F.mesh.nE,1,1)
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F[self.Src0, 'e', 1] = e
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count[0] = 0
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F[self.Src0, 'b', 1]
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self.assertTrue(count[0] == 1) # ensure that this is called only once.
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def alias(e, srcInd, timeInd):
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count[0] += 1
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self.assertTrue(type(srcInd) is list)
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self.assertTrue(srcInd[0] is self.Src0)
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self.assertTrue(srcInd[1] is self.Src1)
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return self.F.mesh.edgeCurl * e
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F = Problem.TimeFields(self.F.mesh, self.F.survey, knownFields={'e':'E'}, aliasFields={'b':['e','F',alias]})
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e = np.random.rand(F.mesh.nE,2, nT)
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F[[self.Src0, self.Src1], 'e', :] = e
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count[0] = 0
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F[[self.Src0, self.Src1], 'b', :]
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self.assertTrue(count[0] == nT) # ensure that this is called for every time separately.
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e = np.random.rand(F.mesh.nE,2, 1)
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F[[self.Src0, self.Src1], 'e', 1] = e
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count[0] = 0
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F[[self.Src0, self.Src1], 'b', 1]
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self.assertTrue(count[0] == 1) # ensure that this is called only once.
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if __name__ == '__main__':
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unittest.main()
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