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Tables Ext #65

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Tables Ext #65

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8 changes: 7 additions & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -12,17 +12,20 @@ JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
DimensionalData = "0703355e-b756-11e9-17c0-8b28908087d0"
YAXArrays = "c21b50f5-aa40-41ea-b809-c0f5e47bfa5c"
Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"

[extensions]
SpectralIndicesDataFramesExt = "DataFrames"
SpectralIndicesYAXArraysExt = ["YAXArrays", "DimensionalData"]
SpectralIndicesTablesExt = "Tables"

[compat]
DataFrames = "1"
Dates = "1"
DimensionalData = "0.26"
Downloads = "1"
JSON = "0.21"
Tables = "1.11"
YAXArrays = "0.5"
julia = "1.6"

Expand All @@ -36,8 +39,11 @@ JuliaFormatter = "98e50ef6-434e-11e9-1051-2b60c6c9e899"
Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
SafeTestsets = "1bc83da4-3b8d-516f-aca4-4fe02f6d838f"
StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
YAXArrays = "c21b50f5-aa40-41ea-b809-c0f5e47bfa5c"

[targets]
test = ["Test", "SafeTestsets", "Aqua", "JET", "JuliaFormatter", "DataFrames", "YAXArrays", "Random", "Combinatorics", "StatsBase", "DimensionalData"]
test = ["Test", "SafeTestsets", "Aqua", "JET", "JuliaFormatter",
"DataFrames", "YAXArrays", "Random", "Combinatorics", "StatsBase",
"DimensionalData", "Tables"]
58 changes: 58 additions & 0 deletions ext/SpectralIndicesTablesExt.jl
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Original file line number Diff line number Diff line change
@@ -0,0 +1,58 @@
module SpectralIndicesTablesExt

using SpectralIndices
using Tables
import Tables: Table
import SpectralIndices:
_create_params,
AbstractSpectralIndex,
compute_index,
_create_indices,
linear,
poly,
RBF,
load_dataset,
_load_json


function _check_params(index::AbstractSpectralIndex, params::Tables.AbstractColumns)
column_names = Tables.columnnames(params)
for band in index.bands
if !(band in column_names)
throw(
ArgumentError(
"'$band' is missing in the parameters for $index computation!"
)
)
end
end
end


function _order_params(index::AbstractSpectralIndex, params::Tables.AbstractColumns)
new_params = []
for (bidx, band) in enumerate(index.bands)
if hasproperty(params, band)
push!(new_params, getproperty(params, band))
else
throw(ArgumentError("'$band' is missing in the parameters for $index computation!"))
end
end

return new_params
end

function _create_params(kw_args::Pair{Symbol,<:Tables.AbstractColumns}...)
column_data = []
column_names = []

for (key, value) in kw_args
push!(column_data, value)
push!(column_names, String(key))
end
new_params = Tables.columntable(Dict(column_names .=> column_data))

return new_params
end

end #module
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