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annotate ext/SbplibMakieExt.jl @ 1628:9cd2b8f81175 feature/grids/plotting

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Add package extensions for Makie for plotting grids and gridfunctions
author Jonatan Werpers <jonatan@werpers.com>
date Fri, 26 Apr 2024 22:19:30 +0200
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children bf5927631b21
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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
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6
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7 function verticies_and_faces_and_values(g::Grid{<:Any,2}, gf::AbstractArray{<:Any, 2})
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8 ps = map(Tuple, g)[:]
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9 values = gf[:]
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10
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11 N = length(ps)
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12
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13 faces = Vector{NTuple{3,Int}}()
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14
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15 n,m = size(g)
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16 Li = LinearIndices((1:n, 1:m))
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17 for i ∈ 1:n-1, j = 1:m-1
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18
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19 # Add point in the middle of the patch to preserve symmetries
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20 push!(ps, Tuple((g[i,j] + g[i+1,j] + g[i+1,j+1] + g[i,j+1])/4))
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21 push!(values, (gf[i,j] + gf[i+1,j] + gf[i+1,j+1] + gf[i,j+1])/4)
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22
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23 push!(faces, (Li[i,j], Li[i+1,j], length(ps)))
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24 push!(faces, (Li[i+1,j], Li[i+1,j+1], length(ps)))
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25 push!(faces, (Li[i+1,j+1], Li[i,j+1], length(ps)))
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26 push!(faces, (Li[i,j+1], Li[i,j], length(ps)))
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27 end
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28
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29 verticies = permutedims(reinterpret(reshape,eltype(eltype(ps)), ps))
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30 faces = permutedims(reinterpret(reshape,Int, faces))
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31
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32 return verticies, faces, values
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33 end
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34
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35
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36 function make_plot(g,gf)
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37 v,f,c = verticies_and_faces_and_values(g,gf)
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38 mesh(v,f,color=c,
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39 shading = NoShading,
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40 )
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41 end
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42
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43 # scatter(collect(g)[:])
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44
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45 function Makie.surface(g::Grid{<:Any,2}, gf::AbstractArray{<:Any, 2}; kwargs...)
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46 surface(getindex.(g,1), getindex.(g,2), gf;
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47 shading = NoShading,
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48 kwargs...,
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49 )
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50 end
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51
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52 function Makie.mesh(g::Grid{<:Any,2}, gf::AbstractArray{<:Any, 2}; kwargs...)
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53 v,f,c = verticies_and_faces_and_values(g, gf)
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54 mesh(v,f,color=c,
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55 shading = NoShading,
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56 kwargs...,
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57 )
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58 end
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59
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60 function Makie.plot!(plot::Plot(Grid{<:Any,2},AbstractArray{<:Any, 2}))
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61 # TODO: How to handle kwargs?
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62 # v,f,c = verticies_and_faces_and_values(plot[1], plot[2])
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63 r = @lift verticies_and_faces_and_values($(plot[1]), $(plot[2]))
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64 v,f,c = (@lift $r[1]), (@lift $r[2]), (@lift $r[3])
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65 mesh!(plot, v, f, color=c,
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66 shading = NoShading,
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67 )
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68 end
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69
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70 Makie.convert_arguments(::Type{<:Scatter}, g::Grid) = (map(Tuple,collect(g)[:]),)
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71 end