move plotting to package extensions

Author: daanhb

Project.toml

@@ -1,7 +1,7 @@
 name = "BasisFunctions"
 uuid = "4343a256-5453-507d-8aad-01a9d7189916"
 authors = ["Daan Huybrechs <daan.huybrechs@kuleuven.be>"]
-version = "0.6.4"
+version = "0.6.5"
 
 [deps]
 BlockArrays = "8e7c35d0-a365-5155-bbbb-fb81a777f24e"
@@ -19,17 +19,23 @@ IterativeSolvers = "42fd0dbc-a981-5370-80f2-aaf504508153"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
 OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
-PGFPlotsX = "8314cec4-20b6-5062-9cdb-752b83310925"
 Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 QuadGK = "1fd47b50-473d-5c70-9696-f719f8f3bcdc"
-RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 ToeplitzMatrices = "c751599d-da0a-543b-9d20-d0a503d91d24"
 
+[weakdeps]
+PGFPlotsX = "8314cec4-20b6-5062-9cdb-752b83310925"
+RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
+
+[extensions]
+BasisFunctionsRecipesBaseExt = "RecipesBase"
+BasisFunctionsPGFPlotsXExt = "PGFPlotsX"
+
 [compat]
 BlockArrays = "0.16"
 CompositeTypes = "0.1.3"
@@ -52,7 +58,7 @@ Reexport = "1.0"
 SpecialFunctions = "1.0, 2.0"
 StaticArrays = "1.4"
 ToeplitzMatrices = "0.7"
-julia = "1.6"
+julia = "1.9"
 
 [extras]
 Calculus = "49dc2e85-a5d0-5ad3-a950-438e2897f1b9"
@@ -61,4 +67,4 @@ Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 
 [targets]
-test = ["Plots", "Random", "Calculus", "DoubleFloats"]
+test = ["PGFPlotsX", "Plots", "Random", "RecipesBase", "Calculus", "DoubleFloats"]

src/util/display/pgfplots.jl renamed to ext/BasisFunctionsPGFPlotsXExt/BasisFunctionsPGFPlotsXExt.jl

@@ -1,7 +1,12 @@
+module BasisFunctionsPGFPlotsXExt
+
+using BasisFunctions, PGFPlotsX
 
-using PGFPlotsX
 import PGFPlotsX: Plot, PlotInc, Options, Axis
 
+using BasisFunctions:
+    plotgrid
+
 for F in (:Expansion,)
     @eval begin
         Axis(F::$F, trailing...; opts...) =
@@ -29,12 +34,12 @@ for plot in (:Plot, :PlotInc)
             if plot_complex
                 vals = F.(grid)
                 options = @pgf {options..., no_markers}
-                $(plot)(options, Table([grid, BasisFunctions.postprocess(dictionary(F), grid, real.(vals))])),
-                    $(plot)(options, Table([grid, BasisFunctions.postprocess(dictionary(F), grid, imag.(vals))]))
+                $(plot)(options, Table([grid, BasisFunctions.plot_postprocess(dictionary(F), grid, real.(vals))])),
+                    $(plot)(options, Table([grid, BasisFunctions.plot_postprocess(dictionary(F), grid, imag.(vals))]))
             else
                 vals = real.(F.(grid))
                 options = @pgf {options..., no_markers}
-                $(plot)(options, Table([grid, BasisFunctions.postprocess(dictionary(F), grid, vals)]))
+                $(plot)(options, Table([grid, BasisFunctions.plot_postprocess(dictionary(F), grid, vals)]))
             end
         end
 
@@ -51,7 +56,9 @@ for plot in (:Plot, :PlotInc)
             grid = plotgrid(dictionary(F), n)
             vals = abs.(f.(grid) - F.(grid))
             options = @pgf {options..., no_markers}
-            $(plot)(options, Table([grid, BasisFunctions.postprocess(dictionary(F), grid, vals)]))
+            $(plot)(options, Table([grid, BasisFunctions.plot_postprocess(dictionary(F), grid, vals)]))
         end
     end
 end
+
+end

src/util/display/recipes.jl renamed to ext/BasisFunctionsRecipesBaseExt/BasisFunctionsRecipesBaseExt.jl

@@ -1,15 +1,28 @@
+module BasisFunctionsRecipesBaseExt
+
+using BasisFunctions, RecipesBase
+
+using BasisFunctions:
+    AbstractBasisFunction,
+    Domain2d,
+    plotgrid,
+    plot_postprocess
+
+import BasisFunctions:
+    plotgrid,
+    plot_postprocess
 
 ## Plotting recipe for a setexpansion:
 # - determine the plotting grid(depending on the basis)
 # - evaluate the expansion in the gridpoints (fast if possible)
-# - postprocess the data
+# - plot_postprocess the data
 
 @recipe function f(S::Expansion; plot_complex = false, n=200)
     legend --> false
     # title --> "Expansion"
     grid = plotgrid(dictionary(S), n)
     vals = plot_complex ? S.(grid) : real(S.(grid))
-    grid, postprocess(dictionary(S), grid, vals)
+    grid, plot_postprocess(dictionary(S), grid, vals)
 end
 
 # When a target function is provided, plot the error
@@ -19,7 +32,7 @@ end
     # Determine the return type so we know where to sample
     origvals = sample(grid, target, codomaintype(S))
     vals = abs.(origvals - S.(grid))
-    dictionary(S), grid, postprocess(dictionary(S), grid, vals)
+    dictionary(S), grid, plot_postprocess(dictionary(S), grid, vals)
 end
 # 1D error plot
 @recipe function f(S::Dictionary1d, grid::AbstractGrid, vals)
@@ -45,7 +58,7 @@ end
             grid = plotgrid(F[i],n)
             z = F[i].(grid)
             vals = plot_complex ? z : real(z)
-            grid, postprocess(F[i],grid,vals)
+            grid, plot_postprocess(F[i],grid,vals)
         end
     end
     nothing
@@ -57,46 +70,11 @@ end
         grid = plotgrid(φ,n)
         z = φ.(grid)
         vals = plot_complex ? z : real(z)
-        grid, postprocess(φ,grid,vals)
+        grid, plot_postprocess(φ,grid,vals)
     end
     nothing
 end
 
-#
-# For regular Expansions, no postprocessing is needed
-function postprocess(S::Dictionary, grid, vals)
-    D = support(S)
-    I = grid .∉ Ref(D)
-    vals[I] .= Inf
-    vals
-end
-
-# For function subsets, revert to the underlying Dictionary for postprocessing
-postprocess(S::Subdictionary, grid, vals) = postprocess(superdict(S), grid, vals)
-postprocess(φ::AbstractBasisFunction, grid, vals) = postprocess(dictionary(φ), grid, vals)
-
-## Plotting grids
-# Always plot on equispaced grids for the best plotting resolution
-plotgrid(S::Dictionary1d, n) = EquispacedGrid(n, support(S))
-# look at first element by default
-plotgrid(S::MultiDict, n) = plotgrid(component(S,1), n)
-plotgrid(S::DerivedDict, n) = plotgrid(superdict(S),n)
-# NOTE: This only supports multi-dimensional tensor product dicts.
-plotgrid(F::TensorProductDict2, n) = plotgrid(component(F,1),n)×plotgrid(component(F,2),n)
-plotgrid(F::OperatedDict, n) = plotgrid(superdict(F), n)
-plotgrid(F::Subdictionary, n) = plotgrid(superdict(F), n)
-plotgrid(φ::AbstractBasisFunction, n) = plotgrid(dictionary(φ), n)
-
-# generic fallback for suitable plotting grids
-plotgrid(S::Dictionary, n) = plotgrid_domain(n, support(S))
-plotgrid_domain(n::Int, domain::AbstractInterval) = EquispacedGrid(n, domain)
-plotgrid_domain(n::Int, domain::ProductDomain) =
-    productgrid(map(d->plotgrid_domain(n, d), factors(domain))...)
-function plotgrid_domain(n::Int, domain)
-    box = boundingbox(domain)
-    g = plotgrid_domain(n, box)
-    MaskedGrid(g, domain)
-end
 
 ## Split complex plots in real and imaginary parts
 # 1D
@@ -140,7 +118,7 @@ end
 
 @recipe function f(dom::Domain2d; n=300, distance=false, xlim=[-1,1], ylim=[-1,1])
     seriescolor --> :tempo
-     seriestype --> :heatmap
+    seriestype --> :heatmap
     aspect_ratio --> 1
     colorbar --> false
     # xrange = linspace(xlim[1],xlim[2],n)
@@ -153,3 +131,5 @@ end
     plotdata = distance ? dist.(grid, Ref(dom)) : in.(grid, Ref(dom))
     collect(xrange),collect(yrange),plotdata'
 end
+
+end

src/BasisFunctions.jl

@@ -11,7 +11,6 @@ using DomainSets, DomainIntegrals
 using CompositeTypes, CompositeTypes.Display
 
 using QuadGK, Base.Cartesian
-using RecipesBase
 
 using Reexport
 
@@ -295,9 +294,6 @@ export ChebyshevT, ChebyshevU,
     FastChebyshevTransform, InverseFastChebyshevTransform,
     FastChebyshevTransformFFTW, InverseFastChebyshevTransformFFTW
 
-# from util/recipes.jl
-export plotgrid, postprocess
-
 # from bases/poly/orthopoly.jl and friends
 export Legendre, Jacobi, Laguerre, Hermite,
     Monomials, GenericOPS,
@@ -416,8 +412,7 @@ include("bases/poly/ops/hermite.jl")
 include("bases/poly/ops/generic_op.jl")
 include("bases/poly/ops/specialOPS.jl")
 
-include("util/display/recipes.jl")
-include("util/display/pgfplots.jl")
+include("util/plot.jl")
 
 include("test/Test.jl")
 

src/util/plot.jl

@@ -0,0 +1,40 @@
+
+"Return a grid suitable for plotting a function in the given dictionary."
+function plotgrid end
+"Process plotting data before it is visualized."
+function plot_postprocess end
+
+# For regular Expansions, no postprocessing is needed
+function plot_postprocess(S::Dictionary, grid, vals)
+    D = support(S)
+    I = grid .∉ Ref(D)
+    vals[I] .= Inf
+    vals
+end
+
+# For function subsets, revert to the underlying Dictionary for postprocessing
+plot_postprocess(S::Subdictionary, grid, vals) = plot_postprocess(superdict(S), grid, vals)
+plot_postprocess(φ::AbstractBasisFunction, grid, vals) = plot_postprocess(dictionary(φ), grid, vals)
+
+## Plotting grids
+# Always plot on equispaced grids for the best plotting resolution
+plotgrid(S::Dictionary1d, n) = EquispacedGrid(n, support(S))
+# look at first element by default
+plotgrid(S::MultiDict, n) = plotgrid(component(S,1), n)
+plotgrid(S::DerivedDict, n) = plotgrid(superdict(S),n)
+# NOTE: This only supports multi-dimensional tensor product dicts.
+plotgrid(F::TensorProductDict2, n) = plotgrid(component(F,1),n)×plotgrid(component(F,2),n)
+plotgrid(F::OperatedDict, n) = plotgrid(superdict(F), n)
+plotgrid(F::Subdictionary, n) = plotgrid(superdict(F), n)
+plotgrid(φ::AbstractBasisFunction, n) = plotgrid(dictionary(φ), n)
+
+# generic fallback for suitable plotting grids
+plotgrid(S::Dictionary, n) = plotgrid_domain(n, support(S))
+plotgrid_domain(n::Int, domain::AbstractInterval) = EquispacedGrid(n, domain)
+plotgrid_domain(n::Int, domain::ProductDomain) =
+    productgrid(map(d->plotgrid_domain(n, d), factors(domain))...)
+function plotgrid_domain(n::Int, domain)
+    box = boundingbox(domain)
+    g = plotgrid_domain(n, box)
+    MaskedGrid(g, domain)
+end

test/test_plots.jl

@@ -1,6 +1,6 @@
 using BasisFunctions, BasisFunctions.Test, DomainSets, GridArrays
 
-using Test, LinearAlgebra, Plots
+using Test, LinearAlgebra, PGFPlotsX, Plots
 
 delimit("Plots")
 @testset begin