def test_export_array_contours():
from flopy.discretization import StructuredGrid
from flopy.export.utils import export_array_contours
nrow = 7
ncol = 11
epsg = 4111
# no epsg code
modelgrid = StructuredGrid(delr=np.ones(ncol) * 1.1,
delc=np.ones(nrow) * 1.1)
filename = os.path.join(spth, 'myarraycontours1.shp')
a = np.arange(nrow * ncol).reshape((nrow, ncol))
export_array_contours(modelgrid, filename, a)
assert os.path.isfile(filename), 'did not create contour shapefile'
# with modelgrid epsg code
modelgrid = StructuredGrid(delr=np.ones(ncol) * 1.1,
delc=np.ones(nrow) * 1.1,
epsg=epsg)
filename = os.path.join(spth, 'myarraycontours2.shp')
a = np.arange(nrow * ncol).reshape((nrow, ncol))
export_array_contours(modelgrid, filename, a)
assert os.path.isfile(filename), 'did not create contour shapefile'
# with passing in epsg code
modelgrid = StructuredGrid(delr=np.ones(ncol) * 1.1,
delc=np.ones(nrow) * 1.1)
filename = os.path.join(spth, 'myarraycontours3.shp')
a = np.arange(nrow * ncol).reshape((nrow, ncol))
export_array_contours(modelgrid, filename, a, epsg=epsg)
assert os.path.isfile(filename), 'did not create contour shapefile'
return
def __new__(cls, ax=None, model=None, dis=None, line=None,
xul=None, yul=None, rotation=None, extent=None):
from flopy.plot.plotbase import DeprecatedCrossSection
from flopy.discretization import StructuredGrid
err_msg = "ModelCrossSection will be replaced by " +\
"PlotCrossSection(), Calling PlotCrossSection()"
warnings.warn(err_msg, PendingDeprecationWarning)
modelgrid = None
if model is not None:
if (xul, yul, rotation) != (None, None, None):
modelgrid = plotutil._set_coord_info(model.modelgrid,
xul, yul, None, None,
rotation)
elif dis is not None:
modelgrid = StructuredGrid(delr=dis.delr.array,
delc=dis.delc.array,
top=dis.top.array,
botm=dis.botm.array)
if (xul, yul, rotation) != (None, None, None):
modelgrid = plotutil._set_coord_info(modelgrid,
xul, yul, None, None,
rotation)
return DeprecatedCrossSection(ax=ax, model=model,
modelgrid=modelgrid,
line=line, extent=extent)
def test_get_vertices():
from flopy.utils.reference import SpatialReference
from flopy.discretization import StructuredGrid
m = flopy.modflow.Modflow(rotation=20.)
nrow, ncol = 40, 20
dis = flopy.modflow.ModflowDis(m,
nlay=1,
nrow=nrow,
ncol=ncol,
delr=250.,
delc=250.,
top=10,
botm=0)
xul, yul = 500000, 2934000
sr = SpatialReference(delc=m.dis.delc.array,
xul=xul,
yul=yul,
rotation=45.)
mg = StructuredGrid(delc=m.dis.delc.array,
delr=m.dis.delr.array,
xoff=sr.xll,
yoff=sr.yll,
angrot=sr.rotation)
xgrid = mg.xvertices
ygrid = mg.yvertices
# a1 = np.array(mg.xyvertices)
a1 = np.array([[xgrid[0, 0], ygrid[0, 0]], [xgrid[0, 1], ygrid[0, 1]],
[xgrid[1, 1], ygrid[1, 1]], [xgrid[1, 0], ygrid[1, 0]]])
a2 = np.array(mg.get_cell_vertices(0, 0))
assert np.array_equal(a1, a2)
def load_with_crs(path, xll, yll, epsg=4326, rot=None):
try:
instance = InowasModflowReadAdapter.load(path)
# Transform to UTM with WGS84 as intermediate
tf = Transformer.from_crs(epsg, 4326, always_xy=True, skip_equivalent=True)
wgs84_xll, wgs84_yll = tf.transform(xll, yll)
# Calculate the UTM-EPSG to use with pyproj
_, _, zone_number, _ = utm.from_latlon(wgs84_yll, wgs84_xll)
utm_epsg = f"326{zone_number:02d}" if wgs84_yll >= 0 else f"327{zone_number:02d}"
tf = Transformer.from_crs(4326, int(utm_epsg), always_xy=True, skip_equivalent=True)
xoff, yoff = tf.transform(wgs84_xll, wgs84_yll)
modelgrid = instance._mf.modelgrid
updated_modelgrid = StructuredGrid(
modelgrid.delc,
modelgrid.delr,
modelgrid.top,
modelgrid.botm,
modelgrid.idomain,
modelgrid.lenuni,
epsg=utm_epsg,
xoff=xoff,
yoff=yoff,
angrot=rot if not None else modelgrid.angrot
)
instance._mf.modelgrid = updated_modelgrid
return instance
except:
raise
def test_read_usgs_model_reference():
nlay, nrow, ncol = 1, 30, 5
delr, delc = 250, 500
#xll, yll = 272300, 5086000
model_ws = os.path.join('temp', 't007')
mrf = os.path.join(model_ws, 'usgs.model.reference')
shutil.copy('../examples/data/usgs.model.reference', mrf)
fm = flopy.modflow
m = fm.Modflow(modelname='junk', model_ws=model_ws)
# feet and days
dis = fm.ModflowDis(m,
nlay=nlay,
nrow=nrow,
ncol=ncol,
delr=delr,
delc=delc,
lenuni=1,
itmuni=4)
m.write_input()
# test reading of SR information from usgs.model.reference
m2 = fm.Modflow.load('junk.nam', model_ws=os.path.join('temp', 't007'))
from flopy.discretization import StructuredGrid
mg = StructuredGrid(delr=dis.delr.array, delc=dis.delc.array)
mg.read_usgs_model_reference_file(mrf)
m2.modelgrid = mg
assert m2.modelgrid.xoffset == mg.xoffset
assert m2.modelgrid.yoffset == mg.yoffset
assert m2.modelgrid.angrot == mg.angrot
assert m2.modelgrid.epsg == mg.epsg
# test reading non-default units from usgs.model.reference
shutil.copy(mrf, mrf + '_copy')
with open(mrf + '_copy') as src:
with open(mrf, 'w') as dst:
for line in src:
if 'epsg' in line:
line = line.replace("102733", '4326')
dst.write(line)
m2 = fm.Modflow.load('junk.nam', model_ws=os.path.join('temp', 't007'))
m2.modelgrid.read_usgs_model_reference_file(mrf)
assert m2.modelgrid.epsg == 4326
# have to delete this, otherwise it will mess up other tests
to_del = glob.glob(mrf + '*')
for f in to_del:
if os.path.exists(f):
os.remove(os.path.join(f))
assert True
def test_const():
fm = flopy.modflow
m = fm.Modflow()
dis = fm.ModflowDis(m, 1, 10, 10, lenuni=2, itmuni=4)
m.modelgrid = StructuredGrid(delc=dis.delc.array,
delr=dis.delr.array,)
r, d = create_sfr_data()
sfr = flopy.modflow.ModflowSfr2(m, reach_data=r, segment_data={0: d})
assert sfr.const == 86400.
m.dis.itmuni = 1.
m.sfr.const = None
assert sfr.const == 1.
m.dis.lenuni = 1.
m.sfr.const = None
assert sfr.const == 1.486
m.dis.itmuni = 4.
m.sfr.const = None
assert sfr.const == 1.486 * 86400.
assert True
def test_write_shapefile():
from flopy.discretization import StructuredGrid
from flopy.export.shapefile_utils import shp2recarray
from flopy.export.shapefile_utils import write_grid_shapefile, write_grid_shapefile2
sg = StructuredGrid(
delr=np.ones(10) * 1.1, # cell spacing along model rows
delc=np.ones(10) * 1.1, # cell spacing along model columns
epsg=26715)
outshp1 = os.path.join(tpth, 'junk.shp')
outshp2 = os.path.join(tpth, 'junk2.shp')
write_grid_shapefile(outshp1, sg, array_dict={})
write_grid_shapefile2(outshp2, sg, array_dict={})
# test that vertices aren't getting altered by writing shapefile
for outshp in [outshp1, outshp2]:
# check that pyshp reads integers
# this only check that row/column were recorded as "N"
# not how they will be cast by python or numpy
import shapefile as sf
sfobj = sf.Reader(outshp)
for f in sfobj.fields:
if f[0] == 'row' or f[0] == 'column':
assert f[1] == 'N'
recs = list(sfobj.records())
for r in recs[0]:
assert isinstance(r, int)
# check that row and column appear as integers in recarray
ra = shp2recarray(outshp)
assert np.issubdtype(ra.dtype['row'], np.integer)
assert np.issubdtype(ra.dtype['column'], np.integer)
try: # check that fiona reads integers
import fiona
with fiona.open(outshp) as src:
meta = src.meta
assert 'int' in meta['schema']['properties']['row']
assert 'int' in meta['schema']['properties']['column']
except:
pass
def modelgrid(self):
if not self._mg_resync:
return self._modelgrid
bas = self.mf.get_package("BAS6")
if bas is not None:
ibound = self.btn.icbund.array
else:
ibound = None
# build grid
self._modelgrid = StructuredGrid(delc=self.mf.dis.delc.array,
delr=self.mf.dis.delr.array,
top=self.mf.dis.top.array,
botm=self.mf.dis.botm.array,
idomain=ibound,
proj4=self._modelgrid.proj4,
epsg=self._modelgrid.epsg,
xoff=self._modelgrid.xoffset,
yoff=self._modelgrid.yoffset,
angrot=self._modelgrid.angrot)
# resolve offsets
xoff = self._modelgrid.xoffset
if xoff is None:
if self._xul is not None:
xoff = self._modelgrid._xul_to_xll(self._xul)
else:
xoff = 0.0
yoff = self._modelgrid.yoffset
if yoff is None:
if self._yul is not None:
yoff = self._modelgrid._yul_to_yll(self._yul)
else:
yoff = 0.0
self._modelgrid.set_coord_info(xoff, yoff, self._modelgrid.angrot,
self._modelgrid.epsg,
self._modelgrid.proj4)
return self._modelgrid
def test_export():
fm = flopy.modflow
m = fm.Modflow()
dis = fm.ModflowDis(m, 1, 10, 10, lenuni=2, itmuni=4)
sr = SpatialReference(xul=0.0, yul=0.0, delc=m.dis.delc.array)
m.modelgrid = StructuredGrid(delc=m.dis.delc.array,
delr=m.dis.delr.array,
xoff=sr.xll,
yoff=sr.yll)
# m.sr.origin_loc = "ll"
if not shapefile:
return # skip
m.export(os.path.join(outpath, 'grid.shp'))
r, d = create_sfr_data()
sfr = flopy.modflow.ModflowSfr2(m, reach_data=r, segment_data={0: d})
sfr.segment_data[0]['flow'][-1] = 1e4
sfr.stress_period_data.export(os.path.join(outpath, 'sfr.shp'),
sparse=True)
sfr.export_linkages(os.path.join(outpath, 'linkages.shp'))
sfr.export_outlets(os.path.join(outpath, 'outlets.shp'))
sfr.export_transient_variable(os.path.join(outpath, 'inlets.shp'), 'flow')
from flopy.export.shapefile_utils import shp2recarray
ra = shp2recarray(os.path.join(outpath, 'inlets.shp'))
assert ra.flow0[0] == 1e4
ra = shp2recarray(os.path.join(outpath, 'outlets.shp'))
assert ra.iseg[0] + ra.ireach[0] == 5
ra = shp2recarray(os.path.join(outpath, 'linkages.shp'))
crds = np.array(list(ra.geometry[2].coords))
assert np.array_equal(crds, np.array([[2.5, 4.5], [3.5, 5.5]]))
ra = shp2recarray(os.path.join(outpath, 'sfr.shp'))
assert ra.iseg.sum() == sfr.reach_data.iseg.sum()
assert ra.ireach.sum() == sfr.reach_data.ireach.sum()
y = np.concatenate([np.array(g.exterior)[:, 1] for g in ra.geometry])
x = np.concatenate([np.array(g.exterior)[:, 0] for g in ra.geometry])
assert (x.min(), x.max(), y.min(), y.max()) == m.modelgrid.extent
assert ra[(ra.iseg == 2) & (ra.ireach == 1)]['geometry'][0].bounds \
== (6.0, 2.0, 7.0, 3.0)
def modelgrid(self):
if not self._mg_resync:
return self._modelgrid
if self.bas is not None:
ibound = self.bas.ibound.array
else:
ibound = None
self._modelgrid = StructuredGrid(self.bcf.delc.array,
self.bcf.delr.array,
None,
None,
ibound,
self.bas.lenuni,
proj4=self._modelgrid.proj4,
epsg=self._modelgrid.epsg,
xoff=self._modelgrid.xoffset,
yoff=self._modelgrid.yoffset,
angrot=self._modelgrid.angrot)
# resolve offsets
xoff = self._modelgrid.xoffset
if xoff is None:
if self._xul is not None:
xoff = self._modelgrid._xul_to_xll(self._xul)
else:
xoff = 0.0
yoff = self._modelgrid.yoffset
if yoff is None:
if self._yul is not None:
yoff = self._modelgrid._yul_to_yll(self._yul)
else:
yoff = 0.0
self._modelgrid.set_coord_info(xoff, yoff, self._modelgrid.angrot,
self._modelgrid.epsg,
self._modelgrid.proj4)
return self._modelgrid
def test_structured_thick():
nlay, nrow, ncol = 3, 2, 3
delc = 1.0 * np.ones(nrow, dtype=float)
delr = 1.0 * np.ones(ncol, dtype=float)
top = 10.0 * np.ones((nrow, ncol), dtype=float)
botm = np.zeros((nlay, nrow, ncol), dtype=float)
botm[0, :, :] = 5.0
botm[1, :, :] = 0.0
botm[2, :, :] = -5.0
grid = StructuredGrid(
nlay=nlay,
nrow=nrow,
ncol=ncol,
delc=delc,
delr=delr,
top=top,
botm=botm,
)
thick = grid.thick
assert np.allclose(thick, 5.0), "thicknesses != 5."
sat_thick = grid.saturated_thick(grid.botm + 10.0)
assert np.allclose(sat_thick, thick), "saturated thicknesses != 5."
sat_thick = grid.saturated_thick(grid.botm + 5.0)
assert np.allclose(sat_thick, thick), "saturated thicknesses != 5."
sat_thick = grid.saturated_thick(grid.botm + 2.5)
assert np.allclose(sat_thick, 2.5), "saturated thicknesses != 2.5"
sat_thick = grid.saturated_thick(grid.botm)
assert np.allclose(sat_thick, 0.0), "saturated thicknesses != 0."
sat_thick = grid.saturated_thick(grid.botm - 100.0)
assert np.allclose(sat_thick, 0.0), "saturated thicknesses != 0."
return
def test_get_destination_data():
m = flopy.modflow.Modflow.load('EXAMPLE.nam', model_ws=path)
mg1 = m.modelgrid
mg1.set_coord_info(xoff=mg1._xul_to_xll(0.0, 30.0),
yoff=mg1._yul_to_yll(0.0, 30.0),
angrot=30.0)
mg = StructuredGrid(delc=m.dis.delc.array, delr=m.dis.delr.array)
mg.set_coord_info(xoff=mg._xul_to_xll(1000.0, 30.0),
yoff=mg._yul_to_yll(1000.0, 30.0),
angrot=30.0)
# test deprecation
sr2 = SpatialReference(xll=mg.xoffset, yll=mg.yoffset, rotation=-30)
if shapefile:
m.dis.export(path + '/dis.shp')
pthld = PathlineFile(os.path.join(path, 'EXAMPLE-3.pathline'))
epd = EndpointFile(os.path.join(path, 'EXAMPLE-3.endpoint'))
well_epd = epd.get_destination_endpoint_data(dest_cells=[(4, 12, 12)])
well_pthld = pthld.get_destination_pathline_data(dest_cells=[(4, 12, 12)],
to_recarray=True)
# same particle IDs should be in both endpoint data and pathline data
tval = len(set(well_epd.particleid).difference(set(well_pthld.particleid)))
msg = 'same particle IDs should be in both endpoint data and pathline data'
assert tval == 0, msg
# check that all starting locations are included in the pathline data
# (pathline data slice not just endpoints)
starting_locs = ra_slice(well_epd, ['k0', 'i0', 'j0'])
pathline_locs = np.array(np.array(well_pthld)[['k', 'i', 'j']].tolist(),
dtype=starting_locs.dtype)
assert np.all(np.in1d(starting_locs, pathline_locs))
if shapefile is None:
return # skip remainder
# test writing a shapefile of endpoints
epd.write_shapefile(well_epd,
direction='starting',
shpname=os.path.join(path, 'starting_locs.shp'),
mg=m.modelgrid)
# test writing shapefile of pathlines
fpth = os.path.join(path, 'pathlines_1per.shp')
pthld.write_shapefile(well_pthld,
one_per_particle=True,
direction='starting',
mg=m.modelgrid,
shpname=fpth)
fpth = os.path.join(path, 'pathlines_1per_end.shp')
pthld.write_shapefile(well_pthld,
one_per_particle=True,
direction='ending',
mg=m.modelgrid,
shpname=fpth)
# test writing shapefile of pathlines
fpth = os.path.join(path, 'pathlines_1per2.shp')
pthld.write_shapefile(well_pthld,
one_per_particle=True,
direction='starting',
mg=mg,
shpname=fpth)
# test writing shapefile of pathlines
fpth = os.path.join(path, 'pathlines_1per2_ll.shp')
pthld.write_shapefile(well_pthld,
one_per_particle=True,
direction='starting',
mg=sr2,
shpname=fpth)
fpth = os.path.join(path, 'pathlines.shp')
pthld.write_shapefile(well_pthld,
one_per_particle=False,
mg=m.modelgrid,
shpname=fpth)
# test that endpoints were rotated and written correctly
from flopy.export.shapefile_utils import shp2recarray
ra = shp2recarray(os.path.join(path, 'starting_locs.shp'))
p3 = ra.geometry[ra.particleid == 4][0]
xorig, yorig = m.modelgrid.get_coords(well_epd.x0[0], well_epd.y0[0])
assert p3.x - xorig + p3.y - yorig < 1e-4
xorig, yorig = mg1.xcellcenters[3, 4], mg1.ycellcenters[3, 4]
assert np.abs(p3.x - xorig + p3.y -
yorig) < 1e-4 # this also checks for 1-based
# test that particle attribute information is consistent with pathline file
ra = shp2recarray(os.path.join(path, 'pathlines.shp'))
inds = (ra.particleid == 8) & (ra.i == 12) & (ra.j == 12)
assert ra.time[inds][0] - 20181.7 < .1
assert ra.xloc[inds][0] - 0.933 < .01
# test that k, i, j are correct for single geometry pathlines, forwards
# and backwards
ra = shp2recarray(os.path.join(path, 'pathlines_1per.shp'))
assert ra.i[0] == 4, ra.j[0] == 5
ra = shp2recarray(os.path.join(path, 'pathlines_1per_end.shp'))
assert ra.i[0] == 13, ra.j[0] == 13
# test use of arbitrary spatial reference and offset
mg1.set_coord_info(xoff=mg.xoffset,
yoff=mg.yoffset,
angrot=mg.angrot,
epsg=mg.epsg,
proj4=mg.proj4)
ra = shp2recarray(os.path.join(path, 'pathlines_1per2.shp'))
p3_2 = ra.geometry[ra.particleid == 4][0]
test1 = mg1.xcellcenters[3, 4]
test2 = mg1.ycellcenters[3, 4]
assert np.abs(p3_2.x[0] - mg1.xcellcenters[3, 4] + p3_2.y[0] -
mg1.ycellcenters[3, 4]) < 1e-4
# arbitrary spatial reference with ll specified instead of ul
ra = shp2recarray(os.path.join(path, 'pathlines_1per2_ll.shp'))
p3_2 = ra.geometry[ra.particleid == 4][0]
#sr3 = SpatialReference(xll=sr.xll, yll=sr.yll, rotation=-30,
# delc=list(m.dis.delc))
mg.set_coord_info(xoff=mg.xoffset, yoff=mg.yoffset, angrot=-30.0)
assert np.abs(p3_2.x[0] - mg.xcellcenters[3, 4] + p3_2.y[0] -
mg.ycellcenters[3, 4]) < 1e-4
xul = 3628793
yul = 21940389
m = flopy.modflow.Modflow.load('EXAMPLE.nam', model_ws=path)
mg4 = m.modelgrid
mg4.set_coord_info(xoff=mg4._xul_to_xll(xul, 0.0),
yoff=mg4._yul_to_yll(yul, 0.0),
angrot=0.0,
epsg=mg4.epsg,
proj4=mg4.proj4)
fpth = os.path.join(path, 'dis2.shp')
m.dis.export(fpth)
pthobj = flopy.utils.PathlineFile(os.path.join(path, 'EXAMPLE-3.pathline'))
fpth = os.path.join(path, 'pathlines_1per3.shp')
pthobj.write_shapefile(shpname=fpth, direction='ending', mg=mg4)
def test_freyberg_export():
from flopy.discretization import StructuredGrid
namfile = 'freyberg.nam'
# steady state
model_ws = '../examples/data/freyberg'
m = flopy.modflow.Modflow.load(namfile,
model_ws=model_ws,
check=False,
verbose=False)
# test export at model, package and object levels
m.export('{}/model.shp'.format(spth))
m.wel.export('{}/wel.shp'.format(spth))
m.lpf.hk.export('{}/hk.shp'.format(spth))
m.riv.stress_period_data.export('{}/riv_spd.shp'.format(spth))
# transient
# (doesn't work at model level because the total size of
# the attribute fields exceeds the shapefile limit)
model_ws = '../examples/data/freyberg_multilayer_transient/'
m = flopy.modflow.Modflow.load(
namfile,
model_ws=model_ws,
verbose=False,
load_only=['DIS', 'BAS6', 'NWT', 'OC', 'RCH', 'WEL', 'DRN', 'UPW'])
# test export without instantiating an sr
outshp = os.path.join(spth, namfile[:-4] + '_drn_sparse.shp')
m.drn.stress_period_data.export(outshp, sparse=True)
assert os.path.exists(outshp)
remove_shp(outshp)
m.modelgrid = StructuredGrid(delc=m.dis.delc.array,
delr=m.dis.delr.array,
epsg=5070)
# test export with an sr, regardless of whether or not wkt was found
m.drn.stress_period_data.export(outshp, sparse=True)
assert os.path.exists(outshp)
remove_shp(outshp)
m.modelgrid = StructuredGrid(delc=m.dis.delc.array,
delr=m.dis.delr.array,
epsg=3070)
# verify that attributes have same sr as parent
assert m.drn.stress_period_data.mg.epsg == m.modelgrid.epsg
assert m.drn.stress_period_data.mg.proj4 == m.modelgrid.proj4
assert m.drn.stress_period_data.mg.xoffset == m.modelgrid.xoffset
assert m.drn.stress_period_data.mg.yoffset == m.modelgrid.yoffset
assert m.drn.stress_period_data.mg.angrot == m.modelgrid.angrot
# if wkt text was fetched from spatialreference.org
if m.sr.wkt is not None:
# test default package export
outshp = os.path.join(spth, namfile[:-4] + '_dis.shp')
m.dis.export(outshp)
prjfile = outshp.replace('.shp', '.prj')
with open(prjfile) as src:
prjtxt = src.read()
assert prjtxt == m.sr.wkt
remove_shp(outshp)
# test default package export to higher level dir
outshp = os.path.join(spth, namfile[:-4] + '_dis.shp')
m.dis.export(outshp)
prjfile = outshp.replace('.shp', '.prj')
with open(prjfile) as src:
prjtxt = src.read()
assert prjtxt == m.sr.wkt
remove_shp(outshp)
# test sparse package export
outshp = os.path.join(spth, namfile[:-4] + '_drn_sparse.shp')
m.drn.stress_period_data.export(outshp, sparse=True)
prjfile = outshp.replace('.shp', '.prj')
assert os.path.exists(prjfile)
with open(prjfile) as src:
prjtxt = src.read()
assert prjtxt == m.sr.wkt
remove_shp(outshp)
def test_mf6_grid_shp_export():
nlay = 2
nrow = 10
ncol = 10
top = 1
nper = 2
perlen = 1
nstp = 1
tsmult = 1
perioddata = [[perlen, nstp, tsmult]]*2
botm=np.zeros((2, 10, 10))
ogsr = OGsr(delc=np.ones(nrow), delr=np.ones(ncol),
xll=10, yll=10
)
m = fm.Modflow('junk', version='mfnwt', model_ws=tmpdir)
dis = fm.ModflowDis(m, nlay=nlay, nrow=nrow, ncol=ncol,
nper=nper, perlen=perlen, nstp=nstp,
tsmult=tsmult,
top=top, botm=botm)
smg = StructuredGrid(delc=np.ones(nrow), delr=np.ones(ncol),
top=dis.top.array, botm=botm, idomain=1,
xoff=10, yoff=10)
# River package (MFlist)
spd = fm.ModflowRiv.get_empty(10)
spd['i'] = np.arange(10)
spd['j'] = [5, 5, 6, 6, 7, 7, 7, 8, 9, 9]
spd['stage'] = np.linspace(1, 0.7, 10)
spd['rbot'] = spd['stage'] - 0.1
spd['cond'] = 50.
riv = fm.ModflowRiv(m, stress_period_data={0: spd})
# Recharge package (transient 2d)
rech = {0: 0.001, 1: 0.002}
rch = fm.ModflowRch(m, rech=rech)
# mf6 version of same model
mf6name = 'junk6'
sim = fp6.MFSimulation(sim_name=mf6name, version='mf6', exe_name='mf6',
sim_ws=tmpdir)
tdis = flopy.mf6.modflow.mftdis.ModflowTdis(sim, pname='tdis', time_units='DAYS',
nper=nper,
perioddata=perioddata)
gwf = fp6.ModflowGwf(sim, modelname=mf6name,
model_nam_file='{}.nam'.format(mf6name))
dis6 = fp6.ModflowGwfdis(gwf, pname='dis', nlay=nlay, nrow=nrow, ncol=ncol,
top=top,
botm=botm)
def cellid(k, i, j, nrow, ncol):
return k*nrow*ncol + i*ncol + j
# Riv6
spd6 = fp6.ModflowGwfriv.stress_period_data.empty(gwf, maxbound=len(spd))
#spd6[0]['cellid'] = cellid(spd.k, spd.i, spd.j, m.nrow, m.ncol)
spd6[0]['cellid'] = list(zip(spd.k, spd.i, spd.j))
for c in spd.dtype.names:
if c in spd6[0].dtype.names:
spd6[0][c] = spd[c]
# MFTransient list apparently requires entries for additional stress periods,
# even if they are the same
spd6[1] = spd6[0]
#irch = np.zeros((nrow, ncol))
riv6 = fp6.ModflowGwfriv(gwf, stress_period_data=spd6)
rch6 = fp6.ModflowGwfrcha(gwf, recharge=rech)
if shapefile:
#rch6.export('{}/mf6.shp'.format(tmpdir))
m.export('{}/mfnwt.shp'.format(tmpdir))
gwf.export('{}/mf6.shp'.format(tmpdir))
riv6spdarrays = dict(riv6.stress_period_data.masked_4D_arrays_itr())
rivspdarrays = dict(riv.stress_period_data.masked_4D_arrays_itr())
for k, v in rivspdarrays.items():
assert np.abs(np.nansum(v) - np.nansum(riv6spdarrays[k])) < 1e-6, "variable {} is not equal".format(k)
pass
if shapefile is None:
return # skip remainder
# check that the two shapefiles are the same
ra = shp2recarray('{}/mfnwt.shp'.format(tmpdir))
ra6 = shp2recarray('{}/mf6.shp'.format(tmpdir))
# check first and last exported cells
assert ra.geometry[0] == ra6.geometry[0]
assert ra.geometry[-1] == ra6.geometry[-1]
# fields
different_fields = list(set(ra.dtype.names).difference(ra6.dtype.names))
different_fields = [f for f in different_fields
if 'thick' not in f
and 'rech' not in f]
assert len(different_fields) == 0
for l in np.arange(m.nlay)+1:
assert np.sum(np.abs(ra['rech_{}'.format(l)] - ra6['rechar{}'.format(l)])) < 1e-6
common_fields = set(ra.dtype.names).intersection(ra6.dtype.names)
common_fields.remove('geometry')
# array values
for c in common_fields:
for it, it6 in zip(ra[c], ra6[c]):
if math.isnan(it):
assert math.isnan(it6)
else:
assert np.abs(it - it6) < 1e-6
pass
def load(f,
exe_name='mf88.exe',
verbose=False,
model_ws='.',
forgive=True,
lenuni=0):
"""
Load an existing MODFLOW model.
Parameters
----------
f : str
Path to MODFLOW script file to load.
exe_name : str, optional
MODFLOW executable name. Default 'mf2005.exe'.
verbose : bool, optional
Show messages that can be useful for debugging. Default False.
model_ws : str
Model workspace path. Default '.' or current directory.
forgive : bool, optional
Option to raise exceptions on package load failure, which can be
useful for debugging. Default False.
lenuni : int, str
length unit for model. Not in mf88 but useful for exporting
Returns
-------
ml : Modflow object
Examples
--------
>>> import mf2web
>>> ml = mf2web.mf88.Modflow88.load('model.sh')
"""
scriptfile_path = os.path.join(model_ws, f)
modelname = os.path.splitext(os.path.basename(f))[0]
if verbose:
print('\nCreating new model with name: {}\n{}\n'.format(
modelname, 50 * '-'))
ml = Modflow88(modelname,
exe_name=exe_name,
verbose=verbose,
model_ws=model_ws)
# create utility to parse the script file!
ext_unit_dict = parse_scriptfile(scriptfile_path, model_ws)
basfile = ext_unit_dict.pop("BAS")
pak = ml.mfnam_packages["BAS"]
bas = pak.load(os.path.join(model_ws, basfile.filename),
ml,
ext_unit_dict=ext_unit_dict)
# get active packages!
ml.lenuni = lenuni
iunit = bas.iunit
for pos, unit in enumerate(iunit):
if unit > 0:
if forgive:
try:
pak = ml.mfnam_packages[pos]
fname = ext_unit_dict.pop(unit)
pak.load(os.path.join(model_ws, fname.filename),
ml,
ext_unit_dict=ext_unit_dict)
except Exception as e:
print("Package load error: iunit position {}".format(
pos + 1))
else:
pak = ml.mfnam_packages[pos]
if pak is None:
print("iunit position not implemented {}".format(pos +
1))
continue
fname = ext_unit_dict.pop(unit)
pak.load(os.path.join(model_ws, fname.filename),
ml,
ext_unit_dict=ext_unit_dict)
else:
pass
ml._modelgrid = StructuredGrid(ml.bcf.delc.array, ml.bcf.delr.array,
None, None, ml.bas.ibound,
ml.bas.lenuni)
return ml
def __new__(cls,
sr=None,
ax=None,
model=None,
dis=None,
layer=0,
extent=None,
xul=None,
yul=None,
xll=None,
yll=None,
rotation=None,
length_multiplier=None):
from ..utils.reference import SpatialReferenceUnstructured
from ..plot.plotbase import DeprecatedMapView
err_msg = "ModelMap will be replaced by " \
"PlotMapView(); Calling PlotMapView()"
warnings.warn(err_msg, PendingDeprecationWarning)
modelgrid = None
if model is not None:
if (xul, yul, xll, yll, rotation) != (None, None, None, None,
None):
modelgrid = plotutil._set_coord_info(model.modelgrid, xul, yul,
xll, yll, rotation)
elif sr is not None:
if length_multiplier is not None:
sr.length_multiplier = length_multiplier
if (xul, yul, xll, yll, rotation) != (None, None, None, None,
None):
sr.set_spatialreference(xul, yul, xll, yll, rotation)
if isinstance(sr, SpatialReferenceUnstructured):
if dis is not None:
modelgrid = UnstructuredGrid(vertices=sr.verts,
iverts=sr.iverts,
xcenters=sr.xc,
ycenters=sr.yc,
top=dis.top.array,
botm=dis.botm.array,
ncpl=sr.ncpl)
else:
modelgrid = UnstructuredGrid(vertices=sr.verts,
iverts=sr.iverts,
xcenters=sr.xc,
ycenters=sr.yc,
ncpl=sr.ncpl)
elif dis is not None:
modelgrid = StructuredGrid(delc=sr.delc,
delr=sr.delr,
top=dis.top.array,
botm=dis.botm.array,
xoff=sr.xll,
yoff=sr.yll,
angrot=sr.rotation)
else:
modelgrid = StructuredGrid(delc=sr.delc,
delr=sr.delr,
xoff=sr.xll,
yoff=sr.yll,
angrot=sr.rotation)
else:
pass
return DeprecatedMapView(model=model,
modelgrid=modelgrid,
ax=ax,
layer=layer,
extent=extent)