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annotate ext/SbplibMakieExt.jl @ 1629:2fab141e4a9a feature/grids/plotting

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Add attempt at proper makie recipes for plotting a grid.
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 24 Jun 2024 08:40:57 +0200
parents 9cd2b8f81175
children 27d270c9cb89
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1 module SbplibMakieExt
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2
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3 using Sbplib.Grids
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4 using Makie
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5 using StaticArrays
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6
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7
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8 function verticies_and_faces_and_values(g::Grid{<:Any,2}, gf::AbstractArray{<:Any, 2})
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9 ps = map(Tuple, g)[:]
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10 values = gf[:]
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11
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12 N = length(ps)
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13
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14 faces = Vector{NTuple{3,Int}}()
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15
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16 n,m = size(g)
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17 Li = LinearIndices((1:n, 1:m))
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18 for i ∈ 1:n-1, j = 1:m-1
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19
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20 # Add point in the middle of the patch to preserve symmetries
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21 push!(ps, Tuple((g[i,j] + g[i+1,j] + g[i+1,j+1] + g[i,j+1])/4))
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22 push!(values, (gf[i,j] + gf[i+1,j] + gf[i+1,j+1] + gf[i,j+1])/4)
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23
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24 push!(faces, (Li[i,j], Li[i+1,j], length(ps)))
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25 push!(faces, (Li[i+1,j], Li[i+1,j+1], length(ps)))
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26 push!(faces, (Li[i+1,j+1], Li[i,j+1], length(ps)))
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27 push!(faces, (Li[i,j+1], Li[i,j], length(ps)))
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28 end
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29
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30 verticies = permutedims(reinterpret(reshape,eltype(eltype(ps)), ps))
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31 faces = permutedims(reinterpret(reshape,Int, faces))
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32
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33 return verticies, faces, values
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34 end
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37 function make_plot(g,gf)
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38 v,f,c = verticies_and_faces_and_values(g,gf)
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39 mesh(v,f,color=c,
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40 shading = NoShading,
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41 )
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42 end
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43
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44 # scatter(collect(g)[:])
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45
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46 function Makie.surface(g::Grid{<:Any,2}, gf::AbstractArray{<:Any, 2}; kwargs...)
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47 surface(getindex.(g,1), getindex.(g,2), gf;
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48 shading = NoShading,
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49 kwargs...,
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50 )
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51 end
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52
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53 function Makie.mesh(g::Grid{<:Any,2}, gf::AbstractArray{<:Any, 2}; kwargs...)
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54 v,f,c = verticies_and_faces_and_values(g, gf)
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55 mesh(v,f,color=c,
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56 shading = NoShading,
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57 kwargs...,
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58 )
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59 end
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60
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61 function Makie.plot!(plot::Plot(Grid{<:Any,2},AbstractArray{<:Any, 2}))
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62 # TODO: How to handle kwargs?
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63 # v,f,c = verticies_and_faces_and_values(plot[1], plot[2])
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64 r = @lift verticies_and_faces_and_values($(plot[1]), $(plot[2]))
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65 v,f,c = (@lift $r[1]), (@lift $r[2]), (@lift $r[3])
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66 mesh!(plot, v, f, color=c,
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67 shading = NoShading,
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68 )
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69 end
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70
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72 Makie.convert_arguments(::Type{<:Scatter}, g::Grid) = (reshape(map(Point,g),:),) # (map(Point,collect(g)[:]),)
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73 function Makie.convert_arguments(::Type{<:Lines}, g::Grid{<:Any,2})
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74 M = collect(g)
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75
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76 function cat_with_NaN(a,b)
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77 vcat(a,[@SVector[NaN,NaN]],b)
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78 end
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79
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80 xlines = reduce(cat_with_NaN, eachrow(M))
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81 ylines = reduce(cat_with_NaN, eachcol(M))
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82
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83 return (cat_with_NaN(xlines,ylines),)
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84 end
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86 Makie.plot!(plot::Plot(Grid{<:Any,2})) = lines!(plot, plot.attributes, plot[1])
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87 # Makie.convert_arguments(::PointBased, g::Grid) = (map(Tuple,collect(g)[:]),)
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88 end