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(0.3.0) Cleaner syntax for ECCOFieldTimeSeries and ECCORestoring #284

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Dec 14, 2024
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72 changes: 34 additions & 38 deletions src/DataWrangling/ECCO/ECCO_restoring.jl
Original file line number Diff line number Diff line change
Expand Up @@ -51,15 +51,15 @@ end
Base.length(backend::ECCONetCDFBackend) = backend.length
Base.summary(backend::ECCONetCDFBackend) = string("ECCONetCDFBackend(", backend.start, ", ", backend.length, ")")

const ECCONetCDFFTS{N} = FlavorOfFTS{<:Any, <:Any, <:Any, <:Any, <:ECCONetCDFBackend{N}} where N
const ECCOFieldTimeSeries{N} = FlavorOfFTS{<:Any, <:Any, <:Any, <:Any, <:ECCONetCDFBackend{N}} where N

new_backend(b::ECCONetCDFBackend{native, cache_data}, start, length) where {native, cache_data} =
ECCONetCDFBackend{native, cache_data}(start, length, b.inpainting, b.metadata)

on_native_grid(::ECCONetCDFBackend{native}) where native = native
cache_inpainted_data(::ECCONetCDFBackend{native, cache_data}) where {native, cache_data} = cache_data

function set!(fts::ECCONetCDFFTS)
function set!(fts::ECCOFieldTimeSeries)
backend = fts.backend
start = backend.start
inpainting = backend.inpainting
Expand Down Expand Up @@ -105,12 +105,11 @@ function ECCO_times(metadata; start_time = first(metadata).dates)
end

"""
ECCO_field_time_series(metadata::ECCOMetadata;
grid = nothing,
architecture = isnothing(grid) ? CPU() : architecture(grid),
time_indices_in_memory = 2,
time_indexing = Cyclical(),
inpainting_iterations = prod(size(metadata)),
ECCOFieldTimeSeries(metadata::ECCOMetadata, grid=nothing;
architecture = isnothing(grid) ? CPU() : architecture(grid),
time_indices_in_memory = 2,
time_indexing = Cyclical(),
inpainting = nothing)

Create a field time series object for ECCO data.

Expand Down Expand Up @@ -138,49 +137,47 @@ Keyword Arguments
Default: `true`.

"""
function ECCO_field_time_series(metadata::ECCOMetadata;
architecture = CPU(),
time_indices_in_memory = 2,
time_indexing = Cyclical(),
inpainting = NearestNeighborInpainting(prod(size(metadata))),
cache_inpainted_data = true,
grid = nothing)
function ECCOFieldTimeSeries(metadata::ECCOMetadata, arch::AbstractArchitecture=CPU(); kw...)
download_dataset(metadata)
ftmp = empty_ECCO_field(first(metadata); architecture)
grid = ftmp.grid
return ECCOFieldTimeSeries(metadata, grid; kw...)
end

function ECCOFieldTimeSeries(metadata::ECCOMetadata, grid::AbstractGrid;
time_indices_in_memory = 2,
time_indexing = Cyclical(),
inpainting = nothing,
cache_inpainted_data = true)

# Make sure all the required individual files are downloaded
download_dataset(metadata)

inpainting isa Int && (inpainting = NearestNeighborInpainting(inpainting))

ftmp = empty_ECCO_field(first(metadata); architecture)
on_native_grid = isnothing(grid)
on_native_grid && (grid = ftmp.grid)
backend = ECCONetCDFBackend(time_indices_in_memory, metadata; on_native_grid, inpainting, cache_inpainted_data)

times = ECCO_times(metadata)
loc = LX, LY, LZ = location(metadata)
boundary_conditions = FieldBoundaryConditions(grid, loc)

backend = ECCONetCDFBackend(time_indices_in_memory, metadata; on_native_grid, inpainting, cache_inpainted_data)

fts = FieldTimeSeries{LX, LY, LZ}(grid, times; backend, time_indexing, boundary_conditions)
set!(fts)

return fts
end

ECCO_field_time_series(variable_name::Symbol, version=ECCO4Monthly(); kw...) =
ECCO_field_time_series(ECCOMetadata(variable_name, all_ECCO_dates(version), version); kw...)
ECCOFieldTimeSeries(variable_name::Symbol, version=ECCO4Monthly(); kw...) =
ECCOFieldTimeSeries(ECCOMetadata(variable_name, all_ECCO_dates(version), version); kw...)

# Variable names for restoreable data
struct Temperature end
struct Salinity end
struct UVelocity end
struct VVelocity end

oceananigans_fieldname = Dict(
:temperature => Temperature(),
:salinity => Salinity(),
:u_velocity => UVelocity(),
:v_velocity => VVelocity())
const oceananigans_fieldnames = Dict(:temperature => Temperature(),
:salinity => Salinity(),
:u_velocity => UVelocity(),
:v_velocity => VVelocity())

@inline Base.getindex(fields, i, j, k, ::Temperature) = @inbounds fields.T[i, j, k]
@inline Base.getindex(fields, i, j, k, ::Salinity) = @inbounds fields.S[i, j, k]
Expand Down Expand Up @@ -250,7 +247,7 @@ end
mask = 1,
rate = 1,
grid = nothing,
inpainting = NearestNeighborInpainting(prod(size(metadata))),
inpainting = NearestNeighborInpainting(Inf),
cache_inpainted_data = true)

Create a forcing term that restores to values stored in an ECCO field time series.
Expand Down Expand Up @@ -330,17 +327,16 @@ function ECCORestoring(arch::AbstractArchitecture,
throw(ArgumentError("The architecture of ECCORestoring must match the architecture of the grid."))
end

fts = ECCO_field_time_series(metadata;
grid,
architecture = arch,
time_indices_in_memory,
time_indexing,
inpainting,
cache_inpainted_data)
fts = ECCOFieldTimeSeries(metadata, grid;
architecture = arch,
time_indices_in_memory,
time_indexing,
inpainting,
cache_inpainted_data)

# Grab the correct Oceananigans field to restore
variable_name = metadata.name
field_name = oceananigans_fieldname[variable_name]
field_name = oceananigans_fieldnames[variable_name]

# If we pass the grid we do not need to interpolate
# so we can save parameter space by setting the native grid to nothing
Expand Down
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