Resamples a river, in place, given a strategy to compute the target segment length.

Given a list of linestrings, all of whose terminal coordinate is the same (origin) and whose ordering is clockwise around that origin, nudge t

Given a list of linestrings, create a list of rivers using the HydroSeq maps provided in NHDPlus datasets. Parameters -------

Returns list of elems and river corridor polygons for a given list of river trees Parameters: ----------- rivers: list(River object)

Uniformly extrude a 2D mesh to make a 3D mesh. Layers of potentially multiple sets of cells are extruded downward in the vertical. T

Find the intersection point of two lines given by coefficients. Parameters ---------- line1 : Tuple[float, float, float] First li

Creates a 2D surface strip mesh from transect data

Convert EPSG code to workflow CRS. Parameters ---------- epsg : int EPSG code identifying the coordinate reference system.

Get the list of packages to build.

Validity checking of the tree.

Generates nodes in PostOrder.

Find points around the junction between reach and its children. Parameters ---------- reach : River Parent reach containing the j

Called after a node has been added to a parent. :child A Tree object

Resample a linestring nearly uniformly, keeping previous discrete coords if possible.

Represent this as a shapely.geometry.MultiLineString

Translate a line by a specified distance in the direction perpendicular to the line. Parameters ---------- line : Tuple[float, float, flo

Block until task is complete and return Dataset. Parameters ---------- request : Request Request object t

Convert axes coordinates to (lon, lat). Parameters ---------- ax : matplotlib.axes.Axes CartoPy axes object. coords : Tuple[f

Calculating the percent of the wetted width shaded by banks and vegetation Parameters ---------- delta : float Di

This function calculates solar declination, altitude, zenith angle, and an initial estimate of azimuth. This initial estimate of solar

Create an AppEEARS request to download the variable from start to finish. Note that this does not do the download -- it only creates

Convert DataFrame to Dataset for shared processing. Parameters ---------- df : pandas.DataFrame Input DataFrame containing ti

Convert Dataset back to DataFrame format. Parameters ---------- ds : xarray.Dataset Input Dataset to convert. time_column

Convert Basin3D MonitoringFeature objects to GeoDataFrame. Parameters ---------- basin3d_features : List[MonitoringFe

Create a colormap creator function for specific color sets. Parameters ---------- label : str Label for the colormap type (e.g.,

Cut and snap reach at exterior HUC boundary crossings. If any reach crosses a HUC boundary: 1. If it crosses an external boundary, cut the r

Download AORC data for geometry and time range from S3 Zarr. Parameters ---------- geometry : shapely.geometry.Polygon

Download the files, returning downloaded filename.

Downloads and reads soil shapefiles. This accepts only a bounding box. Parameters ---------- geometry : shapely.geom

For a given m2 mesh, id of river-corridor element, and edge, returns the bank-vertex id, i.e., for the triangle attached to the river-corridor

Find spatial dimensions in a list of dimension names. Parameters ---------- dims : tuple of str Dimension names to searc

Find all linestrings that intersect at the upstream-most coordinate of reach.

Checks whether shply is in huc_shply

Parse date input into cftime datetime. Parameters ---------- date : str | int | cftime._cftime.datetime | None Da

Smooths any internal angle less than min_angle.

Validate date against bounds. Parameters ---------- date : cftime._cftime.datetime | None Date to validate.

Add children to this node. :children A nested list specifying a tree of children

Adjust HUC segments that touch reach endpoints to match the corridor coordinates. Parameters ---------- hucs : SplitHUCs Split HU

Allocates precipitation between rain and snow based on temperature. Parameters ---------- precip : xr.DataArray Total precipitati

Appends a coordinate at the end (downstream) of the linestring.

Clear all the children of this node. Return a list of the removed children.

Compute the length of each segment in a LineString. Parameters ---------- ls : shapely.geometry.LineString LineString to anal

Compute van Genuchten alpha from permeability and porosity. Uses the relationship from Guarracino WRR 2007. Parameters ---------- pe

Connect indices in edges in a oneway fashion

Convert an iterable of cftime objects on any calendar to cftime DatetimeNoLeap calendar. This function accepts various datetime types and con

Create a mask that is true for any non-leap-day (day 366). Parameters ---------- time_values : Sequence[ValidTime] Time value

Find a node, returning the first whose lambda application is true, or None

Create CRS from proj string specification. Parameters ---------- string : str Proj string specification of coordinate referen

Add catchment data to flowline data. Parameters ---------- df : gpd.GeoDataFrame GeoDataFrame with flowli

Get all shapes in a manager.

Standard format for the name of an environment.

Gives my children to node. :node A Tree object

Interpolate Dataset to arbitrary times. Parameters ---------- ds : xr.Dataset Input Dataset with a time dimension containing

Check if a shapely geometry is None or empty. Parameters ---------- shply : BaseGeometry or None Shapely geometry object to c

Confirms that hydrosequence is valid.

Helper function -- is edge centroid within outlet_width of outlet?

Are there any sharp angles at an interior point of a linestring?

Generator for handles

A function to make sure max area scales with distance from river network Units in [m]

Orient an edge consistently. Parameters ---------- e : Tuple[int, int] Edge as tuple of two vertex indices. Retu

Constructor from a VTK file.

Resets the data frame for the river rooted at self, and reindexes the tree to a simple integer-based, preOrdered indexing. Th

Apply 2D spatial smoothing to a DataArray. Parameters ---------- da : xr.DataArray Input DataArray with at least 2 spati

Smooth time series data using specified method. Parameters ---------- data : numpy.ndarray Array of data to smooth. Must

Smooth time series data in a DataArray along the time dimension. Parameters ---------- da : xr.DataArray Input DataArray

Inserts a coordinate at arclen s, then splits at that coordinate. Parameters ---------- s : float Arc lengt

Represent as GeoDataFrame, useful for pickling.

Do not call me. Instead use the class factory methods, one of: - construct_rivers_by_geometry() # generic data - construct_rivers_by

Convert native column names to standard names. Parameters ---------- df : gpd.GeoDataFrame GeoDataFrame with nati

Checks and prints the status of the AppEEARS request. Returns True, False, or 'UNKNOWN' when the response is not well formed, which seems to

Compute bounds in lat-lon CRS for DayMet API requests.

Extract bounds from geometry already in native CRS and buffered by base class.

Spitters et al. (1986) Eqs. 20a-20d So = Extra-terrestrial irradiance on a plane parallel to the earth surface [J m-2 s-1]

Function to calculate the diffuse transmission coefficient Parameters ---------- lai: float Leaf are inde