def test_load_bin():
def temp_file(data):
# writable file that is destroyed as soon as it is closed
f = TemporaryFile()
f.write(data)
f.seek(0)
return f
# INTEGER
a = np.arange(3 * 4, dtype=np.int32).reshape((3, 4)) - 1
fp = temp_file(a.tobytes())
fh, fa = Util2d.load_bin((3, 4), fp, np.int32)
assert fh is None # no header_dtype
np.testing.assert_equal(fa, a)
assert fa.dtype == a.dtype
# check warning if wrong integer type is used to read 4-byte integers
# e.g. on platforms where int -> int64
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
fp.seek(0)
fh, fa = Util2d.load_bin((3, 4), fp, np.int64)
fp.close()
assert len(w) == 1
assert a.dtype == np.int32
assert fh is None # no header_dtype
np.testing.assert_equal(fa, a)
# REAL
real_header_fmt = '2i2f16s3i'
header_data = (1, 2, 3.5, 4.5, b'Hello', 6, 7, 8)
real_header = pack(real_header_fmt, *header_data)
assert len(real_header) == 44
a = np.arange(10).reshape((2, 5))
fp = temp_file(real_header + pack('10f', *list(range(10))))
fh, fa = Util2d.load_bin((2, 5), fp, np.float32, 'Head')
fp.close()
for h1, h2 in zip(fh[0], header_data):
assert h1 == h2
np.testing.assert_equal(a.astype(np.float32), fa)
assert fa.dtype == np.float32
# DOUBLE PRECISION
dbl_header_fmt = '2i2d16s3i'
dbl_header = pack(dbl_header_fmt, *header_data)
assert len(dbl_header) == 52
fp = temp_file(real_header + pack('10d', *list(range(10))))
fh, fa = Util2d.load_bin((2, 5), fp, np.float64, 'Head')
fp.close()
for h1, h2 in zip(fh[0], header_data):
assert h1 == h2
np.testing.assert_equal(a.astype(np.float64), fa)
assert fa.dtype == np.float64
def test_load_bin():
def temp_file(data):
# writable file that is destroyed as soon as it is closed
f = TemporaryFile()
f.write(data)
f.seek(0)
return f
# INTEGER
a = np.arange(3 * 4, dtype=np.int32).reshape((3, 4)) - 1
fp = temp_file(a.tobytes())
fh, fa = Util2d.load_bin((3, 4), fp, np.int32)
assert fh is None # no header_dtype
np.testing.assert_equal(fa, a)
assert fa.dtype == a.dtype
# check warning if wrong integer type is used to read 4-byte integers
# e.g. on platforms where int -> int64
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
fp.seek(0)
fh, fa = Util2d.load_bin((3, 4), fp, np.int64)
fp.close()
assert len(w) == 1
assert a.dtype == np.int32
assert fh is None # no header_dtype
np.testing.assert_equal(fa, a)
# REAL
real_header_fmt = '2i2f16s3i'
header_data = (1, 2, 3.5, 4.5, b'Hello', 6, 7, 8)
real_header = pack(real_header_fmt, *header_data)
assert len(real_header) == 44
a = np.arange(10).reshape((2, 5))
fp = temp_file(real_header + pack('10f', *list(range(10))))
fh, fa = Util2d.load_bin((2, 5), fp, np.float32, 'Head')
fp.close()
for h1, h2 in zip(fh[0], header_data):
assert h1 == h2
np.testing.assert_equal(a.astype(np.float32), fa)
assert fa.dtype == np.float32
# DOUBLE PRECISION
dbl_header_fmt = '2i2d16s3i'
dbl_header = pack(dbl_header_fmt, *header_data)
assert len(dbl_header) == 52
fp = temp_file(real_header + pack('10d', *list(range(10))))
fh, fa = Util2d.load_bin((2, 5), fp, np.float64, 'Head')
fp.close()
for h1, h2 in zip(fh[0], header_data):
assert h1 == h2
np.testing.assert_equal(a.astype(np.float64), fa)
assert fa.dtype == np.float64
def test_util2d():
ml = flopy.modflow.Modflow()
u2d = Util2d(ml, (10, 10), np.float32, 10., "test")
a1 = u2d.array
a2 = np.ones((10, 10), dtype=np.float32) * 10.
assert np.array_equal(a1, a2)
# test external filenames - ascii and binary
fname_ascii = os.path.join(out_dir, 'test_a.dat')
fname_bin = os.path.join(out_dir, 'test_b.dat')
np.savetxt(fname_ascii, a1, fmt="%15.6E")
u2d.write_bin(a1.shape, fname_bin, a1, bintype="head")
dis = flopy.modflow.ModflowDis(ml, 2, 10, 10)
lpf = flopy.modflow.ModflowLpf(ml, hk=[fname_ascii, fname_bin])
ml.lpf.hk[1].fmtin = "(BINARY)"
assert np.array_equal(lpf.hk[0].array, a1)
assert np.array_equal(lpf.hk[1].array, a1)
# test external filenames - ascii and binary with model_ws and external_path
ml = flopy.modflow.Modflow(model_ws=out_dir,
external_path=os.path.join(out_dir, "ref"))
u2d = Util2d(ml, (10, 10), np.float32, 10., "test")
fname_ascii = os.path.join(out_dir, 'test_a.dat')
fname_bin = os.path.join(out_dir, 'test_b.dat')
np.savetxt(fname_ascii, a1, fmt="%15.6E")
u2d.write_bin(a1.shape, fname_bin, a1, bintype="head")
dis = flopy.modflow.ModflowDis(ml, 2, 10, 10)
lpf = flopy.modflow.ModflowLpf(ml, hk=[fname_ascii, fname_bin])
ml.lpf.hk[1].fmtin = "(BINARY)"
assert np.array_equal(lpf.hk[0].array, a1)
assert np.array_equal(lpf.hk[1].array, a1)
# bin read write test
fname = os.path.join(out_dir, 'test.bin')
u2d.write_bin((10, 10), fname, u2d.array)
a3 = u2d.load_bin((10, 10), fname, u2d.dtype)[1]
assert np.array_equal(a3, a1)
# ascii read write test
fname = os.path.join(out_dir, 'text.dat')
u2d.write_txt((10, 10), fname, u2d.array)
a4 = u2d.load_txt((10, 10), fname, u2d.dtype, "(FREE)")
assert np.array_equal(a1, a4)
# fixed format read/write with touching numbers - yuck!
data = np.arange(100).reshape(10, 10)
u2d_arange = Util2d(ml, (10, 10), np.float32, data, "test")
u2d_arange.write_txt((10, 10),
fname,
u2d_arange.array,
python_format=[7, "{0:10.4E}"])
a4a = u2d.load_txt((10, 10), fname, np.float32, "(7E10.6)")
assert np.array_equal(u2d_arange.array, a4a)
# test view vs copy with .array
a5 = u2d.array
a5 += 1
assert not np.array_equal(a5, u2d.array)
# Util2d.__mul__() overload
new_2d = u2d * 2
assert np.array_equal(new_2d.array, u2d.array * 2)
# test the cnstnt application
u2d.cnstnt = 2.0
a6 = u2d.array
assert not np.array_equal(a1, a6)
u2d.write_txt((10, 10), fname, u2d.array)
a7 = u2d.load_txt((10, 10), fname, u2d.dtype, "(FREE)")
assert np.array_equal(u2d.array, a7)
# test binary integer file
fname = os.path.join(out_dir, 'test.int')
e8 = np.arange(3 * 4).reshape((3, 4)) - 1
with open(fname, 'wb') as fp:
fp.write(e8.tobytes())
h8, a8 = Util2d.load_bin((3, 4), fname, np.int)
assert h8 is None # no header_dtype
np.testing.assert_equal(a8, e8)
return
def test_util2d():
ml = flopy.modflow.Modflow()
u2d = Util2d(ml, (10, 10), np.float32, 10., "test")
a1 = u2d.array
a2 = np.ones((10, 10), dtype=np.float32) * 10.
assert np.array_equal(a1, a2)
# test external filenames - ascii and binary
fname_ascii = os.path.join(out_dir, 'test_a.dat')
fname_bin = os.path.join(out_dir, 'test_b.dat')
np.savetxt(fname_ascii, a1, fmt="%15.6E")
u2d.write_bin(a1.shape, fname_bin, a1, bintype="head")
dis = flopy.modflow.ModflowDis(ml, 2, 10, 10)
lpf = flopy.modflow.ModflowLpf(ml, hk=[fname_ascii, fname_bin])
ml.lpf.hk[1].fmtin = "(BINARY)"
assert np.array_equal(lpf.hk[0].array, a1)
assert np.array_equal(lpf.hk[1].array, a1)
# test external filenames - ascii and binary with model_ws and external_path
ml = flopy.modflow.Modflow(model_ws=out_dir,
external_path=os.path.join(out_dir, "ref"))
u2d = Util2d(ml, (10, 10), np.float32, 10., "test")
fname_ascii = os.path.join(out_dir, 'test_a.dat')
fname_bin = os.path.join(out_dir, 'test_b.dat')
np.savetxt(fname_ascii, a1, fmt="%15.6E")
u2d.write_bin(a1.shape, fname_bin, a1, bintype="head")
dis = flopy.modflow.ModflowDis(ml, 2, 10, 10)
lpf = flopy.modflow.ModflowLpf(ml, hk=[fname_ascii, fname_bin])
ml.lpf.hk[1].fmtin = "(BINARY)"
assert np.array_equal(lpf.hk[0].array, a1)
assert np.array_equal(lpf.hk[1].array, a1)
# bin read write test
fname = os.path.join(out_dir, 'test.bin')
u2d.write_bin((10, 10), fname, u2d.array)
a3 = u2d.load_bin((10, 10), fname, u2d.dtype)[1]
assert np.array_equal(a3, a1)
# ascii read write test
fname = os.path.join(out_dir, 'text.dat')
u2d.write_txt((10, 10), fname, u2d.array)
a4 = u2d.load_txt((10, 10), fname, u2d.dtype, "(FREE)")
assert np.array_equal(a1, a4)
# fixed format read/write with touching numbers - yuck!
data = np.arange(100).reshape(10, 10)
u2d_arange = Util2d(ml, (10, 10), np.float32, data, "test")
u2d_arange.write_txt((10, 10), fname, u2d_arange.array,
python_format=[7, "{0:10.4E}"])
a4a = u2d.load_txt((10, 10), fname, np.float32, "(7E10.6)")
assert np.array_equal(u2d_arange.array, a4a)
# test view vs copy with .array
a5 = u2d.array
a5 += 1
assert not np.array_equal(a5, u2d.array)
# Util2d.__mul__() overload
new_2d = u2d * 2
assert np.array_equal(new_2d.array, u2d.array * 2)
# test the cnstnt application
u2d.cnstnt = 2.0
a6 = u2d.array
assert not np.array_equal(a1, a6)
u2d.write_txt((10, 10), fname, u2d.array)
a7 = u2d.load_txt((10, 10), fname, u2d.dtype, "(FREE)")
assert np.array_equal(u2d.array, a7)
# test binary integer file
fname = os.path.join(out_dir, 'test.int')
e8 = np.arange(3 * 4).reshape((3, 4)) - 1
with open(fname, 'wb') as fp:
fp.write(e8.tobytes())
h8, a8 = Util2d.load_bin((3, 4), fname, np.int)
assert h8 is None # no header_dtype
np.testing.assert_equal(a8, e8)
return