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Add functions which make saving cgrad as CSV a little easier #151

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Add functions which make saving cgrad as CSV a little easier #151

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7f8f4b8
Add functions which make saving cgrad as CSV a little easier
asinghvi17 Feb 21, 2023
3e1fd31
use DelimitedFiles in PlotUtils.jl
asinghvi17 Feb 21, 2023
c1c97cc
Add DelimitedFiles to Project.toml
asinghvi17 Feb 21, 2023
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1 change: 1 addition & 0 deletions Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ version = "1.3.4"
ColorSchemes = "35d6a980-a343-548e-a6ea-1d62b119f2f4"
Colors = "5ae59095-9a9b-59fe-a467-6f913c188581"
Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
DelimitedFiles = "8bb1440f-4735-579b-a4ab-409b98df4dab"
Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
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1 change: 1 addition & 0 deletions src/PlotUtils.jl
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Expand Up @@ -3,6 +3,7 @@ module PlotUtils
using SnoopPrecompile
using ColorSchemes
using Reexport
using DelimitedFiles
using Printf
using Dates

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22 changes: 22 additions & 0 deletions src/color_utils.jl
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Expand Up @@ -35,6 +35,28 @@ function generate_colorscheme(
ColorScheme(colors)
end

# --------------------------------------------------------------
# Methods to save colorschemes to CSV
function cgrad_to_csv(file::AbstractString, cgrad::ColorGradient)
values = cgrad.values
colors = cgrad.colors.colors

reds = Colors.red.(colors)
greens = Colors.green.(colors)
blues = Colors.blue.(colors)
alphas = Colors.alpha.(colors)

csv_matrix = hcat(values, reds, greens, blues, alphas)
csv_matrix_with_headers = vcat(["Value" "Red" "Green" "Blue" "Alpha"], csv_matrix)

DelimitedFiles.writedlm(file, csv_matrix_with_headers, ',')
end

function csv_to_cgrad(file::AbstractString)
data_cells, header_cells = DelimitedFiles.readdlm(file, ',', Float64, '\n'; header = true)
return cgrad(RGBA{Float64}.(data_cells[:, 2], data_cells[:, 3], data_cells[:, 4], data_cells[:, 5]), data_cells[:, 1])
end

# ----------------------------------------------------------------------------------

function getpctrange(n::Integer)
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