mirror of
https://github.com/wassname/simpeg.git
synced 2026-06-29 01:43:55 +08:00
rowanc1
104 lines
3.9 KiB
Python
104 lines
3.9 KiB
Python
import unittest
|
|
from SimPEG import *
|
|
import simpegEM as EM
|
|
|
|
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.])
|
|
txLoc = np.r_[0,0,0.]
|
|
rxList0 = EM.FDEM.RxFDEM(XYZ, 'exi')
|
|
Tx0 = EM.FDEM.TxFDEM(txLoc, 'VMD', 3., [rxList0])
|
|
rxList1 = EM.FDEM.RxFDEM(XYZ, 'bxi')
|
|
Tx1 = EM.FDEM.TxFDEM(txLoc, 'VMD', 3., [rxList1])
|
|
rxList2 = EM.FDEM.RxFDEM(XYZ, 'bxi')
|
|
Tx2 = EM.FDEM.TxFDEM(txLoc, 'VMD', 2., [rxList2])
|
|
rxList3 = EM.FDEM.RxFDEM(XYZ, 'bxi')
|
|
Tx3 = EM.FDEM.TxFDEM(txLoc, 'VMD', 2., [rxList3])
|
|
Tx4 = EM.FDEM.TxFDEM(txLoc, 'VMD', 1., [rxList0, rxList1, rxList2, rxList3])
|
|
txList = [Tx0,Tx1,Tx2,Tx3,Tx4]
|
|
survey = EM.FDEM.SurveyFDEM(txList)
|
|
self.F = EM.FDEM.FieldsFDEM(mesh, survey)
|
|
self.Tx0 = Tx0
|
|
self.Tx1 = Tx1
|
|
self.mesh = mesh
|
|
self.XYZ = XYZ
|
|
|
|
def test_SetGet(self):
|
|
F = self.F
|
|
for freq in F.survey.freqs:
|
|
nFreq = F.survey.nTxByFreq[freq]
|
|
Txs = F.survey.getTransmitters(freq)
|
|
e = np.random.rand(F.mesh.nE, nFreq)
|
|
F[Txs, 'e'] = e
|
|
b = np.random.rand(F.mesh.nF, nFreq)
|
|
F[Txs, 'b'] = b
|
|
if nFreq == 1:
|
|
F[Txs, 'b'] = Utils.mkvc(b)
|
|
if e.shape[1] == 1:
|
|
e, b = Utils.mkvc(e), Utils.mkvc(b)
|
|
self.assertTrue(np.all(F[Txs, 'e'] == e))
|
|
self.assertTrue(np.all(F[Txs, 'b'] == b))
|
|
F[Txs] = {'b':b,'e':e}
|
|
self.assertTrue(np.all(F[Txs, 'e'] == e))
|
|
self.assertTrue(np.all(F[Txs, 'b'] == b))
|
|
|
|
lastFreq = F[Txs]
|
|
self.assertTrue(type(lastFreq) is dict)
|
|
self.assertTrue(sorted([k for k in lastFreq]) == ['b','e'])
|
|
self.assertTrue(np.all(lastFreq['b'] == b))
|
|
self.assertTrue(np.all(lastFreq['e'] == e))
|
|
|
|
Tx_f3 = F.survey.getTransmitters(3.)
|
|
self.assertTrue(F[Tx_f3,'b'].shape == (F.mesh.nF, 2))
|
|
|
|
b = np.random.rand(F.mesh.nF, 2)
|
|
Tx_f0 = F.survey.getTransmitters(self.Tx0.freq)
|
|
F[Tx_f0,'b'] = b
|
|
self.assertTrue(F[self.Tx0]['b'].shape == (F.mesh.nF,))
|
|
self.assertTrue(F[self.Tx0,'b'].shape == (F.mesh.nF,))
|
|
self.assertTrue(np.all(F[self.Tx0,'b'] == b[:,0]))
|
|
self.assertTrue(np.all(F[self.Tx1,'b'] == b[:,1]))
|
|
|
|
def test_assertions(self):
|
|
freq = self.F.survey.freqs[0]
|
|
Txs = self.F.survey.getTransmitters(freq)
|
|
bWrongSize = np.random.rand(self.F.mesh.nE, self.F.survey.nTxByFreq[freq])
|
|
def fun(): self.F[Txs, '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[Txs,'notThere']
|
|
self.assertRaises(KeyError, fun)
|
|
|
|
def test_FieldProjections(self):
|
|
F = self.F
|
|
for freq in F.survey.freqs:
|
|
nFreq = F.survey.nTxByFreq[freq]
|
|
Txs = F.survey.getTransmitters(freq)
|
|
e = np.random.rand(F.mesh.nE, nFreq)
|
|
b = np.random.rand(F.mesh.nF, nFreq)
|
|
F[Txs] = {'b':b,'e':e}
|
|
|
|
Txs = F.survey.getTransmitters(freq)
|
|
for ii, tx in enumerate(Txs):
|
|
for jj, rx in enumerate(tx.rxList):
|
|
dat = rx.projectFields(tx, self.mesh, F)
|
|
self.assertTrue(dat.dtype == float)
|
|
fieldType = rx.projField
|
|
u = {'b':b[:,ii], 'e': e[:,ii]}[fieldType]
|
|
real_or_imag = rx.projComp
|
|
u = getattr(u, real_or_imag)
|
|
gloc = rx.projGLoc
|
|
d = self.mesh.getInterpolationMat(self.XYZ, gloc)*u
|
|
self.assertTrue(np.all(dat == d))
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|