flopy.mf6.mfpackage module

class MFBlock(simulation_data, dimensions, structure, path, model_or_sim, container_package)

Bases: object

Represents a block in a MF6 input file. This class is used internally by FloPy and use by users of the FloPy library is not recommended.

Parameters:

• simulation_data (MFSimulationData) – Data specific to this simulation

• dimensions (MFDimensions) – Describes model dimensions including model grid and simulation time

• structure (MFVariableStructure) – Structure describing block

• path (tuple) – Unique path to block

block_headers

Block header text (BEGIN/END), header variables, comments in the header

Type:

MFBlockHeader

structure

Structure describing block

Type:

MFBlockStructure

path

Unique path to block

Type:

tuple

datasets

Dictionary of dataset objects with keys that are the name of the dataset

Type:

OrderDict

datasets_keyword

Dictionary of dataset objects with keys that are key words to identify start of dataset

Type:

dict

enabled

If block is being used in the simulation

Type:

bool

add_dataset(dataset_struct, data, var_path)

Add data to this block.

data_factory(sim_data, model_or_sim, structure, enable, path, dimensions, data=None, package=None)

Creates the appropriate data child object derived from MFData.

header_exists(key, data_path=None)

is_allowed()

Determine if block is valid based on the values of dependant MODFLOW variables.

is_empty()

Returns true if this block is empty.

is_valid()

Returns true of the block is valid.

load(block_header, fd, strict=True)

Loads block from file object. file object must be advanced to beginning of block before calling.

Parameters:

• block_header (MFBlockHeader) – Block header for block block being loaded.

• fd (file) – File descriptor of file being loaded

• strict (bool) – Enforce strict MODFLOW 6 file format.

set_all_data_external(base_name, check_data=True, external_data_folder=None)

Sets the block’s list and array data to be stored externally, base_name is external file name’s prefix, check_data determines if data error checking is enabled during this process.

Parameters:

• base_name (str) – Base file name of external files where data will be written to.

• check_data (bool) – Whether to do data error checking.

• external_data_folder – Folder where external data will be stored

set_all_data_internal(check_data=True)

Sets the block’s list and array data to be stored internally, check_data determines if data error checking is enabled during this process.

Parameters:

check_data (bool) – Whether to do data error checking.

set_model_relative_path(model_ws)

Sets model_ws as the model path relative to the simulation’s path.

Parameters:

model_ws (str) – Model path relative to the simulation’s path.

write(fd, ext_file_action=ExtFileAction.copy_relative_paths)

Writes block to a file object.

Parameters:

fd (file object) – File object to write to.

class MFBlockHeader(name, variable_strings, comment, simulation_data=None, path=None, block=None)

Bases: object

Represents the header of a block in a MF6 input file. This class is used internally by FloPy and its direct use by a user of this library is not recommend.

Parameters:

• name (str) – Block name

• variable_strings (list) – List of strings that appear after the block name

• comment (MFComment) – Comment text in the block header

name

Block name

Type:

str

variable_strings

List of strings that appear after the block name

Type:

list

comment

Comment text in the block header

Type:

MFComment

data_items

List of MFVariable of the variables contained in this block

Type:

list

add_data_item(new_data, data)

Adds data to the block.

build_header_variables(simulation_data, block_header_structure, block_path, data, dimensions)

Builds data objects to hold header variables.

connect_to_dict(simulation_data, path, comment=None)

Add comment to the simulation dictionary

get_comment()

Get block header comment

get_transient_key(data_path=None)

Get transient key associated with this block header.

is_same_header(block_header)

Checks if block_header is the same header as this header.

write_footer(fd)

Writes block footer to file object fd.

Parameters:

fd (file object) – File object to write block footer to.

write_header(fd)

Writes block header to file object fd.

Parameters:

fd (file object) – File object to write block header to.

class MFChildPackages(model_or_sim, parent, pkg_type, filerecord, package=None, package_class=None)

Bases: object

Behind the scenes code for creating an interface to access child packages from a parent package. This class is automatically constructed by the FloPy library and is for internal library use only.

init_package(package, fname)

class MFPackage(parent, package_type, filename=None, pname=None, loading_package=False, **kwargs)

Bases: PackageContainer, PackageInterface

Provides an interface for the user to specify data to build a package.

Parameters:

• parent (MFModel, MFSimulation, or MFPackage) – The parent model, simulation, or package containing this package

• package_type (str) – String defining the package type

• filename (str or PathLike) – Name or path of file where this package is stored

• quoted_filename (str) – Filename with quotes around it when there is a space in the name

• pname (str) – Package name

• loading_package (bool) – Whether or not to add this package to the parent container’s package list during initialization

blocks

Dictionary of blocks contained in this package by block name

Type:

dict

path

Data dictionary path to this package

Type:

tuple

structure

Describes the blocks and data contain in this package

Type:

PackageStructure

dimensions

Resolves data dimensions for data within this package

Type:

PackageDimension

build_child_package(pkg_type, data, parameter_name, filerecord)

Builds a child package. This method is only intended for FloPy internal use.

build_child_packages_container(pkg_type, filerecord)

Builds a container object for any child packages. This method is only intended for FloPy internal use.

build_mfdata(var_name, data=None)

Returns the appropriate data type object (mfdatalist, mfdataarray, or mfdatascalar) given that object the appropriate structure (looked up based on var_name) and any data supplied. This method is for internal FloPy library use only.

Parameters:

• var_name (str) – Variable name

• data (many supported types) – Data contained in this object

Returns:

data object

Return type:

MFData subclass

check(f=None, verbose=True, level=1, checktype=None)

Data check, returns True on success.

create_package_dimensions()

Creates a package dimensions object. For internal FloPy library use.

Returns:

package dimensions

Return type:

PackageDimensions

property data_list

List of data in this package.

export(f, **kwargs)

Method to export a package to netcdf or shapefile based on the extension of the file name (.shp for shapefile, .nc for netcdf)

Parameters:

• f (str) – Filename

• kwargs (keyword arguments) –

  modelgridflopy.discretization.Grid instance

  User supplied modelgrid which can be used for exporting in lieu of the modelgrid associated with the model object

Return type:

None or Netcdf object

property filename

Package’s file name.

get_file_path()

Returns the package file’s path.

Returns:

file path

Return type:

str

inspect_cells(cell_list, stress_period=None)

Inspect model cells. Returns package data associated with cells.

Parameters:

• cell_list (list of tuples) – List of model cells. Each model cell is a tuple of integers. ex: [(1,1,1), (2,4,3)]

• stress_period (int) – For transient data, only return data from this stress period. If not specified or None, all stress period data will be returned.

Returns:

output – Array containing inspection results

Return type:

array

is_valid()

Returns whether or not this package is valid.

Returns:

is valid

Return type:

bool

load(strict=True)

Loads the package from file.

Parameters:

strict (bool) – Enforce strict checking of data.

Returns:

success

Return type:

bool

property name

Name of package

property output

Method to get output associated with a specific package

Return type:

MF6Output object

property package_type

String describing type of package

property parent

Parent package

plot(**kwargs)

Plot 2-D, 3-D, transient 2-D, and stress period list (MfList) package input data

Parameters:

**kwargs (dict) –

filename_basestr

Base file name that will be used to automatically generate file names for output image files. Plots will be exported as image files if file_name_base is not None. (default is None)

file_extensionstr

Valid matplotlib.pyplot file extension for savefig(). Only used if filename_base is not None. (default is ‘png’)

mflayint

MODFLOW zero-based layer number to return. If None, then all all layers will be included. (default is None)

kperint

MODFLOW zero-based stress period number to return. (default is zero)

keystr

MfList dictionary key. (default is None)

Returns:

axes – Empty list is returned if filename_base is not None. Otherwise a list of matplotlib.pyplot.axis are returned.

Return type:

list

property plottable

If package is plottable

property quoted_filename

Package’s file name with quotes if there is a space.

remove()

Removes this package from the simulation/model it is currently a part of.

set_all_data_external(check_data=True, external_data_folder=None)

Sets the package’s list and array data to be stored externally.

Parameters:

• check_data (bool) – Determine if data error checking is enabled

• external_data_folder – Folder where external data will be stored

set_all_data_internal(check_data=True)

Sets the package’s list and array data to be stored internally.

Parameters:

check_data (bool) – Determine if data error checking is enabled

set_model_relative_path(model_ws)

Sets the model path relative to the simulation’s path.

Parameters:

model_ws (str) – Model path relative to the simulation’s path.

write(ext_file_action=ExtFileAction.copy_relative_paths)

Writes the package to a file.

Parameters:

ext_file_action (ExtFileAction) – How to handle pathing of external data files.