Source code for imod.msw.model
import collections
from copy import copy
from pathlib import Path
from typing import Optional, Tuple, Union
import jinja2
import numpy as np
from imod.mf6.dis import StructuredDiscretization
from imod.mf6.mf6_wel_adapter import Mf6Wel
from imod.mf6.utilities.regrid import RegridderWeightsCache
from imod.msw.coupler_mapping import CouplerMapping
from imod.msw.grid_data import GridData
from imod.msw.idf_mapping import IdfMapping
from imod.msw.infiltration import Infiltration
from imod.msw.initial_conditions import (
InitialConditionsEquilibrium,
InitialConditionsPercolation,
InitialConditionsRootzonePressureHead,
InitialConditionsSavedState,
)
from imod.msw.landuse import LanduseOptions
from imod.msw.meteo_grid import MeteoGrid
from imod.msw.meteo_mapping import EvapotranspirationMapping, PrecipitationMapping
from imod.msw.output_control import TimeOutputControl
from imod.msw.timeutil import to_metaswap_timeformat
from imod.msw.vegetation import AnnualCropFactors
from imod.util.regrid_method_type import RegridderType
REQUIRED_PACKAGES = (
GridData,
CouplerMapping,
Infiltration,
LanduseOptions,
MeteoGrid,
EvapotranspirationMapping,
PrecipitationMapping,
IdfMapping,
TimeOutputControl,
AnnualCropFactors,
)
INITIAL_CONDITIONS_PACKAGES = (
InitialConditionsEquilibrium,
InitialConditionsPercolation,
InitialConditionsRootzonePressureHead,
InitialConditionsSavedState,
)
DEFAULT_SETTINGS = {
"vegetation_mdl": 1,
"evapotranspiration_mdl": 1,
"saltstress_mdl": 0,
"surfacewater_mdl": 0,
"infilimsat_opt": 0,
"netcdf_per": 0,
"postmsw_opt": 0,
"dtgw": 1.0,
"dtsw": 1.0,
"ipstep": 2,
"nxlvage_dim": 366,
"co2": 404.32,
"fact_beta2": 1.0,
"rcsoil": 0.15,
"iterur1": 3,
"iterur2": 5,
"tdbgsm": 91.0,
"tdedsm": 270.0,
"clocktime": 0,
}
class Model(collections.UserDict):
def __setitem__(self, key, value):
# TODO: Add packagecheck
super().__setitem__(key, value)
def update(self, *args, **kwargs):
for k, v in dict(*args, **kwargs).items():
self[k] = v
[docs]
class MetaSwapModel(Model):
"""
Contains data and writes consistent model input files
Parameters
----------
unsaturated_database: Path-like or str
Path to the MetaSWAP soil physical database folder.
"""
_pkg_id = "model"
_file_name = "para_sim.inp"
_template = jinja2.Template(
"{%for setting, value in settings.items()%}"
"{{setting}} = {{value}}\n"
"{%endfor%}"
)
[docs]
def __init__(self, unsaturated_database):
super().__init__()
self.simulation_settings = copy(DEFAULT_SETTINGS)
self.simulation_settings["unsa_svat_path"] = (
self._render_unsaturated_database_path(unsaturated_database)
)
def _render_unsaturated_database_path(self, unsaturated_database: Union[str, Path]):
# Force to Path object
unsaturated_database = Path(unsaturated_database)
# Render to string for MetaSWAP
if unsaturated_database.is_absolute():
return f'"{unsaturated_database}\\"'
else:
# TODO: Test if this is how MetaSWAP accepts relative paths
return f'"${unsaturated_database}\\"'
def _check_required_packages(self):
pkg_types_included = {type(pkg) for pkg in self.values()}
missing_packages = set(REQUIRED_PACKAGES) - pkg_types_included
if len(missing_packages) > 0:
raise ValueError(
f"Missing the following required packages: {missing_packages}"
)
initial_condition_set = pkg_types_included & set(INITIAL_CONDITIONS_PACKAGES)
if len(initial_condition_set) < 1:
raise ValueError(
"Missing InitialCondition package, assign one of "
f"{INITIAL_CONDITIONS_PACKAGES}"
)
elif len(initial_condition_set) > 1:
raise ValueError(
"Multiple InitialConditions assigned, choose one of "
f"{initial_condition_set}"
)
def _check_landuse_indices_in_lookup_options(self):
grid_key = self._get_pkg_key(GridData)
landuse_options_key = self._get_pkg_key(LanduseOptions)
indices_in_grid = set(self[grid_key]["landuse"].values.ravel())
indices_in_options = set(
self[landuse_options_key].dataset.coords["landuse_index"].values
)
missing_indices = indices_in_grid - indices_in_options
if len(missing_indices) > 0:
raise ValueError(
"Found the following landuse indices in GridData which "
f"were not in LanduseOptions: {missing_indices}"
)
def _check_vegetation_indices_in_annual_crop_factors(self):
landuse_options_key = self._get_pkg_key(LanduseOptions)
annual_crop_factors_key = self._get_pkg_key(AnnualCropFactors)
indices_in_options = set(
np.unique(self[landuse_options_key]["vegetation_index"])
)
indices_in_crop_factors = set(
self[annual_crop_factors_key].dataset.coords["vegetation_index"].values
)
missing_indices = indices_in_options - indices_in_crop_factors
if len(missing_indices) > 0:
raise ValueError(
"Found the following vegetation indices in LanduseOptions "
f"which were not in AnnualCropGrowth: {missing_indices}"
)
def _get_starttime(self):
"""
Loop over all packages to get the minimum time.
MetaSWAP requires a starttime in its simulation settings (para_sim.inp)
"""
starttimes = []
for pkgname in self:
ds = self[pkgname].dataset
if "time" in ds.coords:
starttimes.append(ds["time"].min().values)
starttime = min(starttimes)
year, time_since_start_year = to_metaswap_timeformat([starttime])
year = int(year.values)
time_since_start_year = float(time_since_start_year.values)
return year, time_since_start_year
def _get_pkg_key(self, pkg_type: type, optional_package: bool = False):
for pkg_key, pkg in self.items():
if isinstance(pkg, pkg_type):
return pkg_key
if not optional_package:
raise KeyError(f"Could not find package of type: {pkg_type}")
def write(
self,
directory: Union[str, Path],
mf6_dis: StructuredDiscretization,
mf6_wel: Mf6Wel,
):
"""
Write packages and simulation settings (para_sim.inp).
Parameters
----------
directory: Path or str
directory to write model in.
"""
# Model checks
self._check_required_packages()
self._check_vegetation_indices_in_annual_crop_factors()
self._check_landuse_indices_in_lookup_options()
# Force to Path
directory = Path(directory)
directory.mkdir(exist_ok=True, parents=True)
# Add time settings
year, time_since_start_year = self._get_starttime()
self.simulation_settings["iybg"] = year
self.simulation_settings["tdbg"] = time_since_start_year
# Add IdfMapping settings
idf_key = self._get_pkg_key(IdfMapping)
self.simulation_settings.update(self[idf_key].get_output_settings())
filename = directory / self._file_name
with open(filename, "w") as f:
rendered = self._template.render(settings=self.simulation_settings)
f.write(rendered)
# Get index and svat
grid_key = self._get_pkg_key(GridData)
index, svat = self[grid_key].generate_index_array()
# write package contents
for pkgname in self:
self[pkgname].write(directory, index, svat, mf6_dis, mf6_wel)
def regrid_like(
self,
mf6_regridded_dis: StructuredDiscretization,
regrid_context: Optional[RegridderWeightsCache] = None,
regridder_types: Optional[dict[str, Tuple[RegridderType, str]]] = None,
) -> "MetaSwapModel":
unsat_database = self.simulation_settings["unsa_svat_path"]
regridded_model = MetaSwapModel(unsat_database)
target_grid = mf6_regridded_dis["idomain"]
mod2svat_name = None
for pkgname in self:
msw_package = self[pkgname]
if isinstance(msw_package, CouplerMapping):
# there can be only one couplermapping
mod2svat_name = pkgname
elif msw_package.is_regridding_supported():
regridded_package = msw_package.regrid_like(
target_grid, regrid_context, regridder_types
)
else:
raise ValueError(f"package {pkgname} cannot be regridded")
regridded_model[pkgname] = regridded_package
if mod2svat_name is not None:
regridded_model[mod2svat_name] = CouplerMapping()
return regridded_model