155 lines
4.3 KiB
Julia
155 lines
4.3 KiB
Julia
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# create a layout directly
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SubplotLayout(rowcounts::AbstractVector{Int}) = SubplotLayout(sum(rowcounts), rowcounts)
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# create a layout given counts... nr/nc == -1 implies we figure out a good number automatically
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function SubplotLayout(numplts::Int, nr::Int, nc::Int)
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# figure out how many rows/columns we need
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if nr == -1
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if nc == -1
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nr = round(Int, sqrt(numplts))
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nc = ceil(Int, numplts / nr)
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else
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nr = ceil(Int, numplts / nc)
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end
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else
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nc = ceil(Int, numplts / nr)
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end
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# create the rowcounts vector
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i = 0
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rowcounts = Int[]
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for r in 1:nr
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cnt = min(nc, numplts - i)
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push!(rowcounts, cnt)
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i += cnt
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end
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SubplotLayout(numplts, rowcounts)
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end
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Base.length(layout::SubplotLayout) = layout.numplts
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# ------------------------------------------------------------
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Base.string(subplt::Subplot) = "Subplot{$(subplt.plotter) p=$(subplt.p) n=$(subplt.n)}"
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Base.print(io::IO, subplt::Subplot) = print(io, string(subplt))
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Base.show(io::IO, subplt::Subplot) = print(io, string(subplt))
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getplot(subplt::Subplot, idx::Int = subplt.n) = subplt.plts[mod1(idx, subplt.p)]
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getinitargs(subplt::Subplot, idx::Int) = getplot(subplt, idx).initargs
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convertSeriesIndex(subplt::Subplot, n::Int) = ceil(Int, n / subplt.p)
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# ------------------------------------------------------------
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doc"""
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Create a series of plots:
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```
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y = rand(100,3)
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subplot(y; n = 3) # create an automatic grid, and let it figure out the nr/nc... will put plots 1 and 2 on the first row, and plot 3 by itself on the 2nd row
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subplot(y; n = 3, nr = 1) # create an automatic grid, but fix the number of rows to 1 (so there are n columns)
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subplot(y; n = 3, nc = 1) # create an automatic grid, but fix the number of columns to 1 (so there are n rows)
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subplot(y; layout = [1, 2]) # explicit layout by row... plot #1 goes by itself in the first row, plots 2 and 3 split the 2nd row (note the n kw is unnecessary)
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```
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"""
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function subplot(args...; kw...)
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d = Dict(kw)
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replaceAliases!(d, _keyAliases)
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# figure out the layout
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if haskey(d, :layout)
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layout = SubplotLayout(d[:layout])
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else
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if !haskey(d, :n)
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error("You must specify either layout or n when creating a subplot: ", d)
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end
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layout = SubplotLayout(d[:n], get(d, :nr, -1), get(d, :nc, -1))
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end
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# initialize the individual plots
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pkg = plotter()
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plts = Plot[]
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ds = Dict[]
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for i in 1:length(layout)
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push!(ds, getPlotArgs(pkg, d, i))
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push!(plts, plot(pkg; ds[i]...))
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end
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# tmpd = getPlotKeywordArgs(pkg, kw, 1, 0) # TODO: this should happen in the plot creation loop... think... what if we want to set a title per subplot??
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# # shouldShow = tmpd[:show]
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# # tmpd[:show] = false
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# plts = Plot[plot(pkg; tmpd...) for i in 1:length(layout)]
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# # tmpd[:show] = shouldShow
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# create the object and do the plotting
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subplt = Subplot(nothing, plts, pkg, length(layout), 0, layout, ds, false)
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subplot!(subplt, args...; kw...)
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subplt
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end
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doc"""
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Adds to a subplot.
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"""
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# current subplot
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function subplot!(args...; kw...)
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subplot!(currentPlot(), args...; kw...)
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end
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# not allowed:
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function subplot!(plt::Plot, args...; kw...)
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error("Can't call subplot! on a Plot!")
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end
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# # this adds to a specific subplot... most plot commands will flow through here
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function subplot!(subplt::Subplot, args...; kw...)
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if !subplotSupported()
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error(CURRENT_BACKEND.sym, " does not support the subplot/subplot! commands at this time. Try one of: ", join(filter(pkg->subplotSupported(backend(pkg)), backends()),", "))
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end
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d = Dict(kw)
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replaceAliases!(d, _keyAliases)
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for k in keys(_plotDefaults)
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delete!(d, k)
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end
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kwList = createKWargsList(subplt, args...; d...)
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for (i,d) in enumerate(kwList)
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subplt.n += 1
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plt = getplot(subplt) # get the Plot object where this series will be drawn
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d[:show] = false
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plot!(plt; d...)
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end
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# create the underlying object (each backend will do this differently)
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if !subplt.initialized
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buildSubplotObject!(subplt.plotter, subplt)
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subplt.initialized = true
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end
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# set this to be current
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currentPlot!(subplt)
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# NOTE: lets ignore the show param and effectively use the semicolon at the end of the REPL statement
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# # do we want to show it?
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# d = Dict(kw)
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# @show d
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# if haskey(d, :show) && d[:show]
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# println("here...why?")
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# display(subplt)
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# end
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subplt
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end
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