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