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import unittest
import numpy as np
from opm.io.ecl import EGrid
try:
from tests.utils import test_path
except ImportError:
from utils import test_path
class TestEGrid(unittest.TestCase):
def test_ijk_active_and_global_indices(self):
with self.assertRaises(RuntimeError):
EGrid("/file/that/does_not_exists")
grid1 = EGrid(test_path("data/9_EDITNNC.EGRID"))
self.assertEqual(grid1.active_cells, 2794)
nI, nJ, nK = grid1.dimension
tot_ant_cells = nI * nJ * nK
self.assertEqual(nI, 13)
self.assertEqual(nJ, 22)
self.assertEqual(nK, 11)
i, j, k = grid1.ijk_from_global_index(0)
self.assertEqual(i, 0)
self.assertEqual(j, 0)
self.assertEqual(k, 0)
i, j, k = grid1.ijk_from_global_index(1000)
self.assertEqual(i, 12)
self.assertEqual(j, 10)
self.assertEqual(k, 3)
self.assertEqual(grid1.global_index(12, 10, 3), 1000)
i, j, k = grid1.ijk_from_global_index(tot_ant_cells - 1)
self.assertEqual(i, nI - 1)
self.assertEqual(j, nJ - 1)
self.assertEqual(k, nK - 1)
with self.assertRaises(ValueError):
i,j,k = grid1.ijk_from_global_index(tot_ant_cells)
i,j,k = grid1.ijk_from_active_index(1000)
self.assertEqual(i, 1)
self.assertEqual(j, 15)
self.assertEqual(k, 3)
self.assertEqual( grid1.active_index(1, 15, 3), 1000)
def test_mapaxes(self):
axsref = [304.8, 152.4, 304.8, 457.2, 609.6, 457.2]
X1ref = [304.8, 305.8, 304.8, 305.8, 304.8, 305.8, 304.8, 305.8]
Y1ref = [457.2, 457.2, 456.2, 456.2, 457.2, 457.2, 456.2, 456.2]
grid1 = EGrid(test_path("data/MAPAXES.EGRID"))
X1, Y1, _ = grid1.xyz_from_ijk(0, 0, 0, True)
for n in range(0, 8):
self.assertAlmostEqual(X1ref[n], X1[n], 8)
self.assertAlmostEqual(Y1ref[n], Y1[n], 8)
axs = grid1.export_mapaxes()
for n in range(0, 6):
self.assertAlmostEqual(axsref[n], axs[n], 8)
X2ref = [0., 1., 0., 1., 0., 1., 0., 1.]
Y2ref = [0., 0., 1., 1., 0., 0., 1., 1.]
X2, Y2, _ = grid1.xyz_from_ijk(0, 0, 0)
for n in range(0, 8):
self.assertAlmostEqual(X2ref[n], X2[n], 8)
self.assertAlmostEqual(Y2ref[n], Y2[n], 8)
def test_coordinates(self):
Xref = [2899.45166015625, 2999.390869140625, 2899.45166015625, 2999.390869140625,
2899.4176237656716, 2999.3568089317187, 2899.417623015281, 2999.356808099622]
Yref = [2699.973388671875, 2699.973388671875, 2799.969482421875, 2799.969482421875,
2699.9818918149376, 2699.9818918149376, 2799.978009571257, 2799.9780095915808]
Zref = [2565.301025390625, 2568.791015625, 2564.42822265625, 2567.918212890625,
2575.29443359375, 2578.784423828125, 2574.421875, 2577.911865234375]
grid1 = EGrid(test_path("data/9_EDITNNC.EGRID"))
X1, Y1, Z1 = grid1.xyz_from_ijk(9, 7, 0)
for n in range(0, 8):
self.assertAlmostEqual(Xref[n], X1[n], 8)
self.assertAlmostEqual(Yref[n], Y1[n], 8)
self.assertAlmostEqual(Zref[n], Z1[n], 8)
actInd = grid1.active_index(9, 7, 0)
X2, Y2, Z2 = grid1.xyz_from_active_index(actInd)
for n in range(0, 8):
self.assertAlmostEqual(Xref[n], X2[n], 8)
self.assertAlmostEqual(Yref[n], Y2[n], 8)
self.assertAlmostEqual(Zref[n], Z2[n], 8)
def test_cell_volume(self):
grid1 = EGrid(test_path("data/9_EDITNNC.EGRID"))
nI, nJ, nK = grid1.dimension
tot_ant_cells = nI * nJ * nK
celVolAll = grid1.cellvolumes()
self.assertTrue(isinstance(celVolAll, np.ndarray))
self.assertEqual(len(celVolAll), tot_ant_cells)
self.assertTrue(min(celVolAll) > 0.0)
mask =[0] * tot_ant_cells
for k in range(nK):
globInd = grid1.global_index(0, 0, k)
mask[globInd] = 1
celVol = grid1.cellvolumes(mask)
self.assertTrue(min(celVol) == 0.0)
self.assertEqual(np.count_nonzero(celVol), nK)
if __name__ == "__main__":
unittest.main()
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