demo_pluto.jl fails on bulk.amr.vlsv example

[tkoskela]

The Plotting section of the notebook does not work for me with the bulk.amr.vlsv file, maybe that is to be expected since you talk about cell IDs without AMR in the markdown.

This is the error I get

UndefVarError: origin not defined

macro expansion@plots.jl:49[inlined]
apply_recipe(::AbstractDict{Symbol, Any}, ::Vlasiator.MetaVLSV, ::AbstractString)@RecipesBase.jl:289
_process_userrecipes!(::Any, ::Any, ::Any)@user_recipe.jl:36
recipe_pipeline!(::Any, ::Any, ::Any)@RecipesPipeline.jl:70
_plot!(::Plots.Plot, ::Any, ::Any)@plot.jl:208
#plot#139@plot.jl:91[inlined]
var"#contourf#457"(::Base.Pairs{Symbol, V, Tuple{Vararg{Symbol, N}}, NamedTuple{names, T}} where {V, N, names, T<:Tuple{Vararg{Any, N}}}, ::typeof(Plots.contourf), ::Any, ::Vararg{Any})@RecipesBase.jl:410
top-level scope@Local: 3[inlined]

Originally posted by @tkoskela in #122 (comment)

[henry2004y]

Thanks for reporting! I will update the demos. There has been some API changes recently but I forgot to cover them in the CI tests for Plots.jl. Now it should work for all three example files.

[tkoskela]

Works now, thanks! 🎉