Beispiel #1
0
    def test_it(self):
        state_size = 10
        with ErtTestContext("update", self.config_file) as tc:
            analysis = self.createAnalysisModule()
            ert = tc.getErt()
            obs = ert.getObservations()
            local_obsdata = obs.getAllActiveLocalObsdata()

            fs = ert.getEnkfFsManager().getCurrentFileSystem()

            mask = BoolVector(initial_size=ert.getEnsembleSize(),
                              default_value=True)
            meas_data = MeasData(mask)
            obs_data = ObsData()
            obs.getObservationAndMeasureData(fs, local_obsdata,
                                             mask.createActiveList(),
                                             meas_data, obs_data)
            update(self.rng, mask, analysis, ert, meas_data, obs_data,
                   state_size)

            mask[0] = False
            mask[4] = False
            meas_data = MeasData(mask)
            obs_data = ObsData()
            obs.getObservationAndMeasureData(fs, local_obsdata,
                                             mask.createActiveList(),
                                             meas_data, obs_data)
            update(self.rng, mask, analysis, ert, meas_data, obs_data,
                   state_size)
Beispiel #2
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def init_matrices(ens, mask, obs, rng):
    state_size = 2
    report_step = 5
    meas_data = MeasData(mask)
    meas_block = meas_data.addBlock("OBS", report_step, len(obs))

    A = Matrix(state_size, mask.countEqual(True))
    active_iens = 0
    for iens, params in enumerate(ens):
        if mask[iens]:
            state = forward_model(params)
            meas_block[0, iens] = measure(state)

            A[0, active_iens] = params[0]
            A[1, active_iens] = params[1]

            active_iens += 1

    S = meas_data.createS()

    obs_data = ObsData()
    obs_block = obs_data.addBlock("OBS", 1)
    for iobs, obs_value in enumerate(obs):
        obs_block[iobs] = obs_value

    R = obs_data.createR()
    dObs = obs_data.createDObs()
    E = obs_data.createE(rng, meas_data.getActiveEnsSize())
    D = obs_data.createD(E, S)

    obs_data.scale(S, E=E, D=D, R=R, D_obs=dObs)
    return (A, S, E, D, R, dObs)
Beispiel #3
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    def calculatePrincipalComponent(self,
                                    fs,
                                    local_obsdata,
                                    truncation_or_ncomp=3):
        pc = Matrix(1, 1)
        pc_obs = Matrix(1, 1)
        singular_values = DoubleVector()

        state_map = fs.getStateMap()
        ens_mask = BoolVector(False, self.ert().getEnsembleSize())
        state_map.selectMatching(ens_mask, RealizationStateEnum.STATE_HAS_DATA)
        active_list = ens_mask.createActiveList()

        if len(ens_mask) > 0:
            meas_data = MeasData(ens_mask)
            obs_data = ObsData()

            self.ert().getObservations().getObservationAndMeasureData(
                fs, local_obsdata, active_list, meas_data, obs_data)

            meas_data.deactivateZeroStdSamples(obs_data)

            active_size = len(obs_data)

            if active_size > 0:
                S = meas_data.createS()
                D_obs = obs_data.createDObs()

                truncation, ncomp = self.truncationOrNumberOfComponents(
                    truncation_or_ncomp)

                obs_data.scale(S, D_obs=D_obs)
                EnkfLinalg.calculatePrincipalComponents(
                    S, D_obs, truncation, ncomp, pc, pc_obs, singular_values)
                if self.__prior_singular_values is None:
                    self.__prior_singular_values = singular_values
                else:
                    for row in range(pc.rows()):
                        factor = singular_values[
                            row] / self.__prior_singular_values[row]
                        pc.scaleRow(row, factor)
                        pc_obs.scaleRow(row, factor)

                return PcaPlotData(local_obsdata.getName(), pc, pc_obs,
                                   singular_values)
        return None
Beispiel #4
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    def test_get_block(self):
        obs_data = ObsData()

        obs_blocks = [("OBS1", 10), ("OBS2", 7), ("OBS3", 15)]
        for name, size in obs_blocks:
            obs_data.addBlock(name, size)

        self.assertEqual(len(obs_blocks), obs_data.get_num_blocks())

        for i in range(obs_data.get_num_blocks()):
            self.assertEqual(obs_blocks[i][0], obs_data.get_block(i).get_obs_key())
Beispiel #5
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    def test_create(self):
        obs_data = ObsData()
        obs_size = 10
        block = obs_data.addBlock("OBS" , obs_size)
        self.assertTrue( isinstance( block , ObsBlock ))

        block[0] = (100,10)
        block[1] = (120,12)
        D = obs_data.createDObs()
        self.assertTrue( isinstance(D , Matrix ))
        self.assertEqual( D.dims() , (2,2))
        
        self.assertEqual( D[0,0] , 100 )
        self.assertEqual( D[1,0] , 120 )
        self.assertEqual( D[0,1] , 10 )
        self.assertEqual( D[1,1] , 12 )

        obs_data.scaleMatrix( D )
        self.assertEqual( D[0,0] , 10 )
        self.assertEqual( D[1,0] , 10 )
        self.assertEqual( D[0,1] , 1 )
        self.assertEqual( D[1,1] , 1 )
        
        R = obs_data.createR()
        self.assertEqual( (2,2) , R.dims() )

        with self.assertRaises(IndexError):
            obs_data[10]

        v,s = obs_data[0]
        self.assertEqual( v , 100 )
        self.assertEqual( s , 10 )


        v,s = obs_data[1]
        self.assertEqual( v , 120 )
        self.assertEqual( s , 12 )
Beispiel #6
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    def test_scale_obs(self):
        with ErtTestContext("obs_test", self.config_file) as test_context:
            ert = test_context.getErt()
            obs = ert.getObservations()

            obs1 = obs["WWCT:OP_1"].getNode(50)
            obs2 = obs["WWCT:OP_1_50"].getNode(50)

            self.assertEqual(obs1.getStandardDeviation(),
                             obs2.getStandardDeviation())
            std0 = obs1.getStandardDeviation()

            local_obsdata = LocalObsdata("obs", obs)
            node1 = local_obsdata.addNode("WWCT:OP_1")
            node2 = local_obsdata.addNode("WWCT:OP_1_50")
            node1.addTimeStep(50)
            node2.addTimeStep(50)

            mask = BoolVector(default_value=True)
            mask[2] = True
            meas_data = MeasData(mask)
            obs_data = ObsData()
            fs = ert.getEnkfFsManager().getCurrentFileSystem()
            active_list = IntVector()
            active_list.initRange(0, 2, 1)
            obs.getObservationAndMeasureData(fs, local_obsdata, active_list,
                                             meas_data, obs_data)
            self.assertEqual(2, len(obs_data))

            v1 = obs_data[0]
            v2 = obs_data[1]

            self.assertEqual(v1[1], std0)
            self.assertEqual(v2[1], std0)

            meas_data = MeasData(mask)
            obs_data = ObsData(10)
            obs.getObservationAndMeasureData(fs, local_obsdata, active_list,
                                             meas_data, obs_data)
            self.assertEqual(2, len(obs_data))

            v1 = obs_data[0]
            v2 = obs_data[1]

            self.assertEqual(v1[1], std0 * 10)
            self.assertEqual(v2[1], std0 * 10)

            actl = ActiveList()
            obs1.updateStdScaling(10, actl)
            obs2.updateStdScaling(20, actl)
            meas_data = MeasData(mask)
            obs_data = ObsData()
            obs.getObservationAndMeasureData(fs, local_obsdata, active_list,
                                             meas_data, obs_data)
            self.assertEqual(2, len(obs_data))

            v1 = obs_data[0]
            v2 = obs_data[1]

            self.assertEqual(v1[1], std0 * 10)
            self.assertEqual(v2[1], std0 * 20)