more positions (#2490)

* tick label styling

* add title_location

* add legend positions

* fix commata

.gitignore

@@ -8,3 +8,4 @@ deps/plotly-latest.min.js
 deps/build.log
 deps/deps.jl
 Manifest.toml
+dev/

.travis.yml

@@ -35,4 +35,4 @@ notifications:
 script:
   - if [[ -a .git/shallow ]]; then git fetch --unshallow; fi
   - if [[ `uname` = "Linux" ]]; then TESTCMD="xvfb-run julia"; else TESTCMD="julia"; fi
-  - $TESTCMD -e 'using Pkg; Pkg.build(); Pkg.test(coverage=true)'
+  - $TESTCMD -e 'using Pkg; Pkg.pin(PackageSpec(name="FixedPointNumbers", version="0.7")); Pkg.build(); Pkg.test(coverage=true)'

Project.toml

@@ -1,7 +1,7 @@
 name = "Plots"
 uuid = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 author = ["Tom Breloff (@tbreloff)"]
-version = "0.29.7"
+version = "0.29.8"
 
 [deps]
 Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
@@ -57,13 +57,15 @@ ImageMagick = "6218d12a-5da1-5696-b52f-db25d2ecc6d1"
 Images = "916415d5-f1e6-5110-898d-aaa5f9f070e0"
 LaTeXStrings = "b964fa9f-0449-5b57-a5c2-d3ea65f4040f"
 LibGit2 = "76f85450-5226-5b5a-8eaa-529ad045b433"
+OffsetArrays = "6fe1bfb0-de20-5000-8ca7-80f57d26f881"
 PGFPlotsX = "8314cec4-20b6-5062-9cdb-752b83310925"
 RDatasets = "ce6b1742-4840-55fa-b093-852dadbb1d8b"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 StatsPlots = "f3b207a7-027a-5e70-b257-86293d7955fd"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 UnicodePlots = "b8865327-cd53-5732-bb35-84acbb429228"
 VisualRegressionTests = "34922c18-7c2a-561c-bac1-01e79b2c4c92"
 
 [targets]
-test = ["FileIO", "GeometryTypes", "Gtk", "ImageMagick", "Images", "LaTeXStrings", "LibGit2", "PGFPlotsX", "Random", "RDatasets", "StatsPlots", "Test", "UnicodePlots", "VisualRegressionTests"]
+test = ["FileIO", "GeometryTypes", "Gtk", "ImageMagick", "Images", "LaTeXStrings", "LibGit2", "OffsetArrays", "PGFPlotsX", "Random", "RDatasets", "StaticArrays", "StatsPlots", "Test", "UnicodePlots", "VisualRegressionTests"]

appveyor.yml

@@ -33,9 +33,10 @@ install:
   - ps: iex ((new-object net.webclient).DownloadString("https://raw.githubusercontent.com/JuliaCI/Appveyor.jl/version-1/bin/install.ps1"))
 
 build_script:
+  - C:\julia\bin\julia --project=C:\projects\plots-jl -e "using Pkg; Pkg.pin(PackageSpec(name="""FixedPointNumbers""", version="""0.7"""))"
   - echo "%JL_BUILD_SCRIPT%"
   - C:\julia\bin\julia -e "%JL_BUILD_SCRIPT%"
-
+ 
 test_script:
   - echo "%JL_TEST_SCRIPT%"
   - C:\julia\bin\julia -e "%JL_TEST_SCRIPT%"

src/backends/pgfplotsx.jl

@@ -29,11 +29,20 @@ Base.@kwdef mutable struct PGFPlotsXPlot
         PGFPlotsX.push_preamble!(
             pgfx_plot.the_plot,
             raw"""
-            \pgfplotsset{
-            /pgfplots/layers/axis on top/.define layer set={
-            background, axis background,pre main,main,axis grid,axis ticks,axis lines,axis tick labels,
-            axis descriptions,axis foreground
-            }{/pgfplots/layers/standard},
+            \pgfplotsset{%
+            layers/standard/.define layer set={%
+                background,axis background,axis grid,axis ticks,axis lines,axis tick labels,pre main,main,axis descriptions,axis foreground%
+            }{grid style= {/pgfplots/on layer=axis grid},%
+                tick style= {/pgfplots/on layer=axis ticks},%
+                axis line style= {/pgfplots/on layer=axis lines},%
+                label style= {/pgfplots/on layer=axis descriptions},%
+                legend style= {/pgfplots/on layer=axis descriptions},%
+                title style= {/pgfplots/on layer=axis descriptions},%
+                colorbar style= {/pgfplots/on layer=axis descriptions},%
+                ticklabel style= {/pgfplots/on layer=axis tick labels},%
+                axis background@ style={/pgfplots/on layer=axis background},%
+                3d box foreground style={/pgfplots/on layer=axis foreground},%
+                },
             }
             """,
         )
@@ -76,6 +85,7 @@ end
 
 function (pgfx_plot::PGFPlotsXPlot)(plt::Plot{PGFPlotsXBackend})
     if !pgfx_plot.is_created || pgfx_plot.was_shown
+        pgfx_sanitize_plot!(plt)
         the_plot = PGFPlotsX.TikzPicture(PGFPlotsX.Options())
         bgc = plt.attr[:background_color_outside] == :match ?
             plt.attr[:background_color] : plt.attr[:background_color_outside]
@@ -107,14 +117,24 @@ function (pgfx_plot::PGFPlotsXPlot)(plt::Plot{PGFPlotsXBackend})
             fg_alpha = alpha(plot_color(sp[:foreground_color_legend]))
             title_cstr = plot_color(sp[:titlefontcolor])
             title_a = alpha(title_cstr)
+            title_loc = sp[:title_location]
             bgc_inside = plot_color(sp[:background_color_inside])
             bgc_inside_a = alpha(bgc_inside)
             axis_opt = PGFPlotsX.Options(
                 "title" => sp[:title],
                 "title style" => PGFPlotsX.Options(
-                    "font" => pgfx_font(
-                        sp[:titlefontsize],
-                        pgfx_thickness_scaling(sp),
+                        "at" => if title_loc == :left
+                            "{(0,1)}"
+                        elseif title_loc == :right
+                            "{(1,1)}"
+                        elseif title_loc isa Tuple
+                            "{$(string(title_loc))}"
+                        else
+                            "{(0.5,1)}"
+                        end,
+                        "font" => pgfx_font(
+                            sp[:titlefontsize],
+                            pgfx_thickness_scaling(sp),
                     ),
                     "color" => title_cstr,
                     "draw opacity" => title_a,
@@ -139,8 +159,6 @@ function (pgfx_plot::PGFPlotsXPlot)(plt::Plot{PGFPlotsXBackend})
                     "fill" => bgc_inside,
                     "opacity" => bgc_inside_a,
                 ),
-                "axis on top" => nothing,
-                # "framed" => nothing,
                 # These are for layouting
                 "anchor" => "north west",
                 "xshift" => string(dx),
@@ -259,7 +277,7 @@ function (pgfx_plot::PGFPlotsXPlot)(plt::Plot{PGFPlotsXBackend})
                         if marker isa Shape
                             x = marker.x
                             y = marker.y
-                            scale_factor = 0.025
+                            scale_factor = 0.00125
                             mark_size = opt[:markersize] * scale_factor
                             path = join(
                                 [
@@ -346,28 +364,28 @@ function (pgfx_plot::PGFPlotsXPlot)(plt::Plot{PGFPlotsXBackend})
                         )
                     end
                     # add to legend?
-                    if sp[:legend] != :none && pgfx_should_add_to_legend(series)
+                    if sp[:legend] != :none
                         leg_entry = if opt[:label] isa AVec
                             get(opt[:label], i, "")
                         elseif opt[:label] isa AbstractString
                             if i == 1
-                                opt[:label]
+                                get(opt, :label, "")
                             else
                                 ""
                             end
                         else
                             throw(ArgumentError("Malformed label. label = $(opt[:label])"))
                         end
-                        if leg_entry == ""
-                            push!(segment_plot.options, "forget plot" => nothing)
-                            continue
+                        if leg_entry == "" || !pgfx_should_add_to_legend(series)
+                            push!(axis.contents[end].options, "forget plot" => nothing)
+                        else
+                            leg_opt = PGFPlotsX.Options()
+                            if ribbon !== nothing
+                                pgfx_filllegend!(axis.contents[end - 3].options, opt)
+                            end
+                            legend = PGFPlotsX.LegendEntry(leg_opt, leg_entry, false)
+                            push!(axis, legend)
                         end
-                        leg_opt = PGFPlotsX.Options()
-                        if ribbon !== nothing
-                            pgfx_filllegend!(axis.contents[end - 3].options, opt)
-                        end
-                        legend = PGFPlotsX.LegendEntry(leg_opt, leg_entry, false)
-                        push!(axis, legend)
                     end
                 end # for segments
                 # add subplot annotations
@@ -586,11 +604,22 @@ const _pgfplotsx_markers = KW(
 )
 
 const _pgfplotsx_legend_pos = KW(
+    :top => "north",
+    :bottom => "south",
+    :left => "west",
+    :right => "east",
     :bottomleft => "south west",
     :bottomright => "south east",
     :topright => "north east",
     :topleft => "north west",
+    :outertop => "north",
+    :outerbottom => "outer south",
+    :outerleft => "outer west",
+    :outerright => "outer east",
+    :outerbottomleft => "outer south west",
+    :outerbottomright => "outer south east",
     :outertopright => "outer north east",
+    :outertopleft => "outer north west",
 )
 
 const _pgfx_framestyles = [:box, :axes, :origin, :zerolines, :grid, :none]
@@ -691,7 +720,7 @@ function pgfx_font(fontsize, thickness_scaling = 1, font = "\\selectfont")
 end
 
 function pgfx_should_add_to_legend(series::Series)
-    series.plotattributes[:primary] && series.plotattributes[:label] != "" &&
+    series.plotattributes[:primary] &&
     !(
         series.plotattributes[:seriestype] in (
             :hexbin,
@@ -862,6 +891,48 @@ function pgfx_fillrange_args(fillrange, x, y, z)
     z_fill = [z; _cycle(fillrange, n:-1:1); z[1]]
     return PGFPlotsX.Coordiantes(x_fill, y_fill, z_fill)
 end
+
+function pgfx_sanitize_string(p::PlotText)
+    PlotText(pgfx_sanitize_string(p.str), p.font)
+end
+function pgfx_sanitize_string(s::AbstractString)
+    s = replace(s, r"\\?\#" => "\\#")
+    s = replace(s, r"\\?\%" => "\\%")
+    s = replace(s, r"\\?\_" => "\\_")
+    s = replace(s, r"\\?\&" => "\\&")
+end
+function pgfx_sanitize_plot!(plt)
+        for (key, value) in plt.attr
+            if value isa Union{AbstractString, AbstractVector{<:AbstractString}}
+                plt.attr[key] = pgfx_sanitize_string.(value)
+            end
+        end
+        for subplot in plt.subplots
+            for (key, value) in subplot.attr
+                if key == :annotations && subplot.attr[:annotations] !== nothing
+                    old_ann = subplot.attr[key]
+                    for i in eachindex(old_ann)
+                        subplot.attr[key][i] = (old_ann[i][1], old_ann[i][2], pgfx_sanitize_string(old_ann[i][3]))
+                    end
+                elseif value isa Union{AbstractString, AbstractVector{<:AbstractString}}
+                    subplot.attr[key] = pgfx_sanitize_string.(value)
+                end
+            end
+        end
+        for series in plt.series_list
+            for (key, value) in series.plotattributes
+                if key == :series_annotations && series.plotattributes[:series_annotations] !== nothing
+                    old_ann = series.plotattributes[key].strs
+                    for i in eachindex(old_ann)
+                        series.plotattributes[key].strs[i] = pgfx_sanitize_string(old_ann[i])
+                    end
+                elseif value isa Union{AbstractString, AbstractVector{<:AbstractString}}
+                    series.plotattributes[key] = pgfx_sanitize_string.(value)
+                end
+            end
+        end
+        ##
+end
 # --------------------------------------------------------------------------------------
 function pgfx_axis!(opt::PGFPlotsX.Options, sp::Subplot, letter)
     axis = sp[Symbol(letter, :axis)]
@@ -872,6 +943,21 @@ function pgfx_axis!(opt::PGFPlotsX.Options, sp::Subplot, letter)
         "scaled $(letter) ticks" => "false",
         string(letter, :label) => axis[:guide],
     )
+    tick_color = plot_color(axis[:foreground_color_axis])
+    push!(opt,
+        "$(letter) tick style" => PGFPlotsX.Options(
+            "color" => color(tick_color),
+            "opacity" => alpha(tick_color),
+        ),
+    )
+    tick_label_color = plot_color(axis[:tickfontcolor])
+    push!(opt,
+        "$(letter) tick label style" => PGFPlotsX.Options(
+            "color" => color(tick_color),
+            "opacity" => alpha(tick_color),
+            "rotate" => axis[:rotation]
+        ),
+    )
 
     # set to supported framestyle
     framestyle = pgfx_framestyle(sp[:framestyle] == false ? :none : sp[:framestyle])

src/examples.jl

@@ -875,6 +875,20 @@ const _examples = PlotExample[
             end,
         ],
     ),
+    PlotExample(
+        "Array Types",
+        "Plots supports different `Array` types that follow the `AbstractArray` interface, like `StaticArrays` and `OffsetArrays.`",
+        [
+            quote
+                begin
+                    using StaticArrays, OffsetArrays
+                    sv = SVector{10}(rand(10))
+                    ov = OffsetVector(rand(10), -2)
+                    plot([sv, ov], label = ["StaticArray" "OffsetArray"])
+                end
+            end,
+        ],
+    ),
 ]
 
 # Some constants for PlotDocs and PlotReferenceImages
@@ -887,7 +901,6 @@ _backend_skips = Dict(
     :pgfplots => [2, 5, 6, 10, 16, 20, 22, 23, 25, 28, 30, 31, 34, 37, 38, 39],
     :pgfplotsx => [ 6, # images
                     10, # histogram2d
-                    20, # annotations due to missing sanitation
                     22, # contourf
                     23, # pie
                     32, # spy

src/series.jl

@@ -15,9 +15,11 @@ prepareSeriesData(x) = error("Cannot convert $(typeof(x)) to series data for plo
 prepareSeriesData(::Nothing) = nothing
 prepareSeriesData(t::Tuple{T, T}) where {T<:Number} = t
 prepareSeriesData(f::Function) = f
-prepareSeriesData(a::AbstractArray{<:MaybeNumber}) = replace!(
-                                    x -> ismissing(x) || isinf(x) ? NaN : x,
-                                    map(float,a))
+prepareSeriesData(ar::AbstractRange{<:Number}) = ar
+function prepareSeriesData(a::AbstractArray{<:MaybeNumber})
+    f = isimmutable(a) ? replace : replace!
+    a = f(x -> ismissing(x) || isinf(x) ? NaN : x, map(float, a))
+end
 prepareSeriesData(a::AbstractArray{<:MaybeString}) = replace(x -> ismissing(x) ? "" : x, a)
 prepareSeriesData(s::Surface{<:AMat{<:MaybeNumber}}) = Surface(prepareSeriesData(s.surf))
 prepareSeriesData(s::Surface) = s  # non-numeric Surface, such as an image

src/shorthands.jl

@@ -428,8 +428,8 @@ Add annotations to an existing plot.
 
 # Arguments
 
-- `anns`: An `AbstractVector` of tuples of the form (x,y,text). The text object
-          can be an String or PlotText
+- `anns`: An `AbstractVector` of tuples of the form `(x,y,text)`. The `text` object
+          can be a `String` or `PlotText`.
 
 # Example
 ```julia-repl

test/test_pgfplotsx.jl

@@ -1,166 +1,295 @@
 using Plots, Test
 pgfplotsx()
 
-function create_plot( args...; kwargs... )
-    pgfx_plot = plot(args...; kwargs...)
-    return pgfx_plot, repr("application/x-tex", pgfx_plot)
+function create_plot(args...; kwargs...)
+   pgfx_plot = plot(args...; kwargs...)
+   return pgfx_plot, repr("application/x-tex", pgfx_plot)
 end
 
-function create_plot!( args...; kwargs... )
-    pgfx_plot = plot!(args...; kwargs...)
-    return pgfx_plot, repr("application/x-tex", pgfx_plot)
+function create_plot!(args...; kwargs...)
+   pgfx_plot = plot!(args...; kwargs...)
+   return pgfx_plot, repr("application/x-tex", pgfx_plot)
 end
 
 @testset "PGFPlotsX" begin
-    pgfx_plot = plot(1:5)
-    Plots._update_plot_object(pgfx_plot)
-    @test pgfx_plot.o.the_plot isa PGFPlotsX.TikzDocument
-    @test pgfx_plot.series_list[1].plotattributes[:quiver] === nothing
-    axis = Plots.pgfx_axes(pgfx_plot.o)[1]
-    @test count( x-> x isa PGFPlotsX.Plot, axis.contents ) == 1
-    @test !haskey(axis.contents[1].options.dict, "fill")
+   pgfx_plot = plot(1:5)
+   Plots._update_plot_object(pgfx_plot)
+   @test pgfx_plot.o.the_plot isa PGFPlotsX.TikzDocument
+   @test pgfx_plot.series_list[1].plotattributes[:quiver] === nothing
+   axis = Plots.pgfx_axes(pgfx_plot.o)[1]
+   @test count(x -> x isa PGFPlotsX.Plot, axis.contents) == 1
+   @test !haskey(axis.contents[1].options.dict, "fill")
 
-    @testset "3D docs example" begin
-        n = 100
-        ts = range(0, stop=8π, length=n)
-        x = ts .* map(cos, ts)
-        y = (0.1ts) .* map(sin, ts)
-        z = 1:n
-        pl = plot(x, y, z, zcolor=reverse(z), m=(10, 0.8, :blues, Plots.stroke(0)), leg=false, cbar=true, w=5)
-        pgfx_plot = plot!(pl, zeros(n), zeros(n), 1:n, w=10)
-        Plots._update_plot_object(pgfx_plot)
-        if @test_nowarn(haskey(Plots.pgfx_axes(pgfx_plot.o)[1].options.dict, "colorbar") == true)
-            @test Plots.pgfx_axes(pgfx_plot.o)[1]["colorbar"] === nothing
-        end
-     end # testset
-     @testset "Color docs example" begin
-        y = rand(100)
-        plot(0:10:100, rand(11, 4), lab="lines", w=3, palette=:grays, fill=0, α=0.6)
-        pl = scatter!(y, zcolor=abs.(y .- 0.5), m=(:heat, 0.8, Plots.stroke(1, :green)), ms=10 * abs.(y .- 0.5) .+ 4, lab="grad")
-        Plots._update_plot_object(pl)
-        axis = Plots.pgfx_axes(pl.o)[1]
-        @test count( x->x isa PGFPlotsX.LegendEntry, axis.contents ) == 5
-        @test count( x->x isa PGFPlotsX.Plot, axis.contents ) == 108 # each marker is its own plot, fillranges create 2 plot-objects
-        marker = axis.contents[15]
-        @test marker isa PGFPlotsX.Plot
-        @test marker.options["mark"] == "*"
-        @test marker.options["mark options"]["color"] == RGBA{Float64}( colorant"green", 0.8)
-        @test marker.options["mark options"]["line width"] == 1
-     end # testset
-     @testset "Plot in pieces" begin
-        plot(rand(100) / 3, reg=true, fill=(0, :green))
-        scatter!(rand(100), markersize=6, c=:orange)
-     end # testset
-     @testset "Marker types" begin
-        markers = filter((m->begin
-           m in Plots.supported_markers()
-           end), Plots._shape_keys)
-        markers = reshape(markers, 1, length(markers))
-        n = length(markers)
-        x = (range(0, stop=10, length=n + 2))[2:end - 1]
-        y = repeat(reshape(reverse(x), 1, :), n, 1)
-        scatter(x, y, m=(8, :auto), lab=map(string, markers), bg=:linen, xlim=(0, 10), ylim=(0, 10))
-     end # testset
-     @testset "Layout" begin
-        plot(Plots.fakedata(100, 10), layout=4, palette=[:grays :blues :heat :lightrainbow], bg_inside=[:orange :pink :darkblue :black])
-     end # testset
-     @testset "Polar plots" begin
-        Θ = range(0, stop=1.5π, length=100)
-        r = abs.(0.1 * randn(100) + sin.(3Θ))
-        plot(Θ, r, proj=:polar, m=2)
-     end # testset
-     @testset "Drawing shapes" begin
-        verts = [(-1.0, 1.0), (-1.28, 0.6), (-0.2, -1.4), (0.2, -1.4), (1.28, 0.6), (1.0, 1.0), (-1.0, 1.0), (-0.2, -0.6), (0.0, -0.2), (-0.4, 0.6), (1.28, 0.6), (0.2, -1.4), (-0.2, -1.4), (0.6, 0.2), (-0.2, 0.2), (0.0, -0.2), (0.2, 0.2), (-0.2, -0.6)]
-         x = 0.1:0.2:0.9
-         y = 0.7 * rand(5) .+ 0.15
-         plot(x, y, line=(3, :dash, :lightblue), marker=(Shape(verts), 30, RGBA(0, 0, 0, 0.2)), bg=:pink, fg=:darkblue, xlim=(0, 1), ylim=(0, 1), leg=false)
-     end # testset
-     @testset "Histogram 2D" begin
-        histogram2d(randn(10000), randn(10000), nbins=20)
-     end # testset
-     @testset "Heatmap-like" begin
-        xs = [string("x", i) for i = 1:10]
-        ys = [string("y", i) for i = 1:4]
-        z = float((1:4) * reshape(1:10, 1, :))
-        pgfx_plot = heatmap(xs, ys, z, aspect_ratio=1)
-        Plots._update_plot_object(pgfx_plot)
-        if @test_nowarn(haskey(Plots.pgfx_axes(pgfx_plot.o)[1].options.dict, "colorbar") == true)
-           @test Plots.pgfx_axes(pgfx_plot.o)[1]["colorbar"] === nothing
-           @test Plots.pgfx_axes(pgfx_plot.o)[1]["colormap name"] == "plots1"
-        end
+   @testset "Legends" begin
+      legends_plot =  plot( rand(5,2), lab = ["1" ""] )
+      scatter!(legends_plot, rand(5) )
+      Plots._update_plot_object(legends_plot)
+      axis_contents = Plots.pgfx_axes(legends_plot.o)[1].contents
+      leg_entries = filter( x -> x isa PGFPlotsX.LegendEntry, axis_contents )
+      series = filter( x -> x isa PGFPlotsX.Plot, axis_contents )
+      @test length(leg_entries) == 2
+      @test !haskey(series[1].options.dict, "forget plot")
+      @test haskey(series[2].options.dict, "forget plot")
+      @test !haskey(series[3].options.dict, "forget plot")
+   end # testset
 
-        pgfx_plot = wireframe(xs, ys, z, aspect_ratio=1)
-        # TODO: clims are wrong
-     end # testset
-     @testset "Contours" begin
-        x = 1:0.5:20
-        y = 1:0.5:10
-        f(x, y) = begin
-           (3x + y ^ 2) * abs(sin(x) + cos(y))
-        end
-        X = repeat(reshape(x, 1, :), length(y), 1)
-        Y = repeat(y, 1, length(x))
-        Z = map(f, X, Y)
-        p2 = contour(x, y, Z)
-        p1 = contour(x, y, f, fill=true)
-        plot(p1, p2)
-        # TODO: colorbar for filled contours
-     end # testset
-     @testset "Varying colors" begin
-        t = range(0, stop=1, length=100)
-         θ = (6π) .* t
-         x = t .* cos.(θ)
-         y = t .* sin.(θ)
-         p1 = plot(x, y, line_z=t, linewidth=3, legend=false)
-         p2 = scatter(x, y, marker_z=((x, y)->begin
-                             x + y
-                         end), color=:bluesreds, legend=false)
-         plot(p1, p2)
-     end # testset
-     @testset "Framestyles" begin
-        scatter(fill(randn(10), 6), fill(randn(10), 6), framestyle=[:box :semi :origin :zerolines :grid :none], title=[":box" ":semi" ":origin" ":zerolines" ":grid" ":none"], color=permutedims(1:6), layout=6, label="", markerstrokewidth=0, ticks=-2:2)
-        # TODO: support :semi
-     end # testset
-     @testset "Quiver" begin
-        x = -2pi:0.2:2*pi
-        y = sin.(x)
+   @testset "3D docs example" begin
+      n = 100
+      ts = range(0, stop = 8π, length = n)
+      x = ts .* map(cos, ts)
+      y = (0.1ts) .* map(sin, ts)
+      z = 1:n
+      pl = plot(
+         x,
+         y,
+         z,
+         zcolor = reverse(z),
+         m = (10, 0.8, :blues, Plots.stroke(0)),
+         leg = false,
+         cbar = true,
+         w = 5,
+      )
+      pgfx_plot = plot!(pl, zeros(n), zeros(n), 1:n, w = 10)
+      Plots._update_plot_object(pgfx_plot)
+      if @test_nowarn(
+         haskey(Plots.pgfx_axes(pgfx_plot.o)[1].options.dict, "colorbar") == true
+      )
+         @test Plots.pgfx_axes(pgfx_plot.o)[1]["colorbar"] === nothing
+      end
+   end # testset
+   @testset "Color docs example" begin
+      y = rand(100)
+      plot(
+         0:10:100,
+         rand(11, 4),
+         lab = "lines",
+         w = 3,
+         palette = :grays,
+         fill = 0,
+         α = 0.6,
+      )
+      pl = scatter!(
+         y,
+         zcolor = abs.(y .- 0.5),
+         m = (:heat, 0.8, Plots.stroke(1, :green)),
+         ms = 10 * abs.(y .- 0.5) .+ 4,
+         lab = ["grad", "", "ient"],
+      )
+      Plots._update_plot_object(pl)
+      axis = Plots.pgfx_axes(pl.o)[1]
+      @test count(x -> x isa PGFPlotsX.LegendEntry, axis.contents) == 6
+      @test count(x -> x isa PGFPlotsX.Plot, axis.contents) == 108 # each marker is its own plot, fillranges create 2 plot-objects
+      marker = axis.contents[15]
+      @test marker isa PGFPlotsX.Plot
+      @test marker.options["mark"] == "*"
+      @test marker.options["mark options"]["color"] ==
+            RGBA{Float64}(colorant"green", 0.8)
+      @test marker.options["mark options"]["line width"] == 1
+   end # testset
+   @testset "Plot in pieces" begin
+      pic = plot(rand(100) / 3, reg = true, fill = (0, :green))
+      scatter!(pic, rand(100), markersize = 6, c = :orange)
+      Plots._update_plot_object(pic)
+      axis_contents = Plots.pgfx_axes(pic.o)[1].contents
+      leg_entries = filter( x -> x isa PGFPlotsX.LegendEntry, axis_contents )
+      series = filter( x -> x isa PGFPlotsX.Plot, axis_contents )
+      @test length(leg_entries) == 2
+      @test length(series) == 4
+      @test haskey(series[1].options.dict, "forget plot")
+      @test !haskey(series[2].options.dict, "forget plot")
+      @test haskey(series[3].options.dict, "forget plot")
+      @test !haskey(series[4].options.dict, "forget plot")
+   end # testset
+   @testset "Marker types" begin
+      markers = filter((m -> begin
+         m in Plots.supported_markers()
+      end), Plots._shape_keys)
+      markers = reshape(markers, 1, length(markers))
+      n = length(markers)
+      x = (range(0, stop = 10, length = n + 2))[2:(end - 1)]
+      y = repeat(reshape(reverse(x), 1, :), n, 1)
+      scatter(
+         x,
+         y,
+         m = (8, :auto),
+         lab = map(string, markers),
+         bg = :linen,
+         xlim = (0, 10),
+         ylim = (0, 10),
+      )
+   end # testset
+   @testset "Layout" begin
+      plot(
+         Plots.fakedata(100, 10),
+         layout = 4,
+         palette = [:grays :blues :heat :lightrainbow],
+         bg_inside = [:orange :pink :darkblue :black],
+      )
+   end # testset
+   @testset "Polar plots" begin
+      Θ = range(0, stop = 1.5π, length = 100)
+      r = abs.(0.1 * randn(100) + sin.(3Θ))
+      plot(Θ, r, proj = :polar, m = 2)
+   end # testset
+   @testset "Drawing shapes" begin
+      verts = [
+         (-1.0, 1.0),
+         (-1.28, 0.6),
+         (-0.2, -1.4),
+         (0.2, -1.4),
+         (1.28, 0.6),
+         (1.0, 1.0),
+         (-1.0, 1.0),
+         (-0.2, -0.6),
+         (0.0, -0.2),
+         (-0.4, 0.6),
+         (1.28, 0.6),
+         (0.2, -1.4),
+         (-0.2, -1.4),
+         (0.6, 0.2),
+         (-0.2, 0.2),
+         (0.0, -0.2),
+         (0.2, 0.2),
+         (-0.2, -0.6),
+      ]
+      x = 0.1:0.2:0.9
+      y = 0.7 * rand(5) .+ 0.15
+      plot(
+         x,
+         y,
+         line = (3, :dash, :lightblue),
+         marker = (Shape(verts), 30, RGBA(0, 0, 0, 0.2)),
+         bg = :pink,
+         fg = :darkblue,
+         xlim = (0, 1),
+         ylim = (0, 1),
+         leg = false,
+      )
+   end # testset
+   @testset "Histogram 2D" begin
+      histogram2d(randn(10000), randn(10000), nbins = 20)
+   end # testset
+   @testset "Heatmap-like" begin
+      xs = [string("x", i) for i = 1:10]
+      ys = [string("y", i) for i = 1:4]
+      z = float((1:4) * reshape(1:10, 1, :))
+      pgfx_plot = heatmap(xs, ys, z, aspect_ratio = 1)
+      Plots._update_plot_object(pgfx_plot)
+      if @test_nowarn(
+         haskey(Plots.pgfx_axes(pgfx_plot.o)[1].options.dict, "colorbar") == true
+      )
+         @test Plots.pgfx_axes(pgfx_plot.o)[1]["colorbar"] === nothing
+         @test Plots.pgfx_axes(pgfx_plot.o)[1]["colormap name"] == "plots1"
+      end
 
-        u = ones(length(x))
-        v = cos.(x)
-        arrow_plot = plot( x, y, quiver = (u, v), arrow = true )
-        # TODO: could adjust limits to fit arrows if too long, but how?
-        # TODO: get latex available on CI
-        # mktempdir() do path
-        #    @test_nowarn savefig(arrow_plot, path*"arrow.pdf")
-        # end
-     end # testset
-     @testset "Annotations" begin
-        y = rand(10)
-        plot(y, annotations=(3, y[3], Plots.text("this is \\#3", :left)), leg=false)
-        annotate!([(5, y[5], Plots.text("this is \\#5", 16, :red, :center)), (10, y[10], Plots.text("this is \\#10", :right, 20, "courier"))])
-        annotation_plot = scatter!(range(2, stop=8, length=6), rand(6), marker=(50, 0.2, :orange), series_annotations=["series", "annotations", "map", "to", "series", Plots.text("data", :green)])
-        # mktempdir() do path
-        #    @test_nowarn savefig(annotation_plot, path*"annotation.pdf")
-        # end
-     end # testset
-     @testset "Ribbon" begin
-        aa = rand(10)
-        bb = rand(10)
-        cc = rand(10)
-        conf = [aa-cc bb-cc]
-        ribbon_plot = plot(collect(1:10),fill(1,10), ribbon=(conf[:,1],conf[:,2]))
-        Plots._update_plot_object(ribbon_plot)
-        axis = Plots.pgfx_axes(ribbon_plot.o)[1]
-        plots = filter(x->x isa PGFPlotsX.Plot, axis.contents)
-        @test length(plots) == 4
-        @test !haskey(plots[1].options.dict, "fill")
-        @test !haskey(plots[2].options.dict, "fill")
-        @test !haskey(plots[3].options.dict, "fill")
-        @test haskey(plots[4].options.dict, "fill")
-        @test ribbon_plot.o !== nothing
-        @test ribbon_plot.o.the_plot !== nothing
-     #    mktempdir() do path
-     #       @test_nowarn savefig(ribbon_plot, path*"ribbon.svg")
-     #    end
-     end # testset
-  end # testset
+      pgfx_plot = wireframe(xs, ys, z, aspect_ratio = 1)
+      # TODO: clims are wrong
+   end # testset
+   @testset "Contours" begin
+      x = 1:0.5:20
+      y = 1:0.5:10
+      f(x, y) = begin
+         (3x + y^2) * abs(sin(x) + cos(y))
+      end
+      X = repeat(reshape(x, 1, :), length(y), 1)
+      Y = repeat(y, 1, length(x))
+      Z = map(f, X, Y)
+      p2 = contour(x, y, Z)
+      p1 = contour(x, y, f, fill = true)
+      plot(p1, p2)
+      # TODO: colorbar for filled contours
+   end # testset
+   @testset "Varying colors" begin
+      t = range(0, stop = 1, length = 100)
+      θ = (6π) .* t
+      x = t .* cos.(θ)
+      y = t .* sin.(θ)
+      p1 = plot(x, y, line_z = t, linewidth = 3, legend = false)
+      p2 = scatter(
+         x,
+         y,
+         marker_z = ((x, y) -> begin
+            x + y
+         end),
+         color = :bluesreds,
+         legend = false,
+      )
+      plot(p1, p2)
+   end # testset
+   @testset "Framestyles" begin
+      scatter(
+         fill(randn(10), 6),
+         fill(randn(10), 6),
+         framestyle = [:box :semi :origin :zerolines :grid :none],
+         title = [":box" ":semi" ":origin" ":zerolines" ":grid" ":none"],
+         color = permutedims(1:6),
+         layout = 6,
+         label = "",
+         markerstrokewidth = 0,
+         ticks = -2:2,
+      )
+      # TODO: support :semi
+   end # testset
+   @testset "Quiver" begin
+      x = (-2pi):0.2:(2 * pi)
+      y = sin.(x)
+
+      u = ones(length(x))
+      v = cos.(x)
+      arrow_plot = plot(x, y, quiver = (u, v), arrow = true)
+      # TODO: could adjust limits to fit arrows if too long, but how?
+      # TODO: get latex available on CI
+      # mktempdir() do path
+      #    @test_nowarn savefig(arrow_plot, path*"arrow.pdf")
+      # end
+   end # testset
+   @testset "Annotations" begin
+      y = rand(10)
+      plot(
+         y,
+         annotations = (3, y[3], Plots.text("this is \\#3", :left)),
+         leg = false,
+      )
+      annotate!([
+         (5, y[5], Plots.text("this is \\#5", 16, :red, :center)),
+         (10, y[10], Plots.text("this is \\#10", :right, 20, "courier")),
+      ])
+      annotation_plot = scatter!(
+         range(2, stop = 8, length = 6),
+         rand(6),
+         marker = (50, 0.2, :orange),
+         series_annotations = [
+            "series",
+            "annotations",
+            "map",
+            "to",
+            "series",
+            Plots.text("data", :green),
+         ],
+      )
+      # mktempdir() do path
+      #    @test_nowarn savefig(annotation_plot, path*"annotation.pdf")
+      # end
+   end # testset
+   @testset "Ribbon" begin
+      aa = rand(10)
+      bb = rand(10)
+      cc = rand(10)
+      conf = [aa - cc bb - cc]
+      ribbon_plot =
+         plot(collect(1:10), fill(1, 10), ribbon = (conf[:, 1], conf[:, 2]))
+      Plots._update_plot_object(ribbon_plot)
+      axis = Plots.pgfx_axes(ribbon_plot.o)[1]
+      plots = filter(x -> x isa PGFPlotsX.Plot, axis.contents)
+      @test length(plots) == 4
+      @test !haskey(plots[1].options.dict, "fill")
+      @test !haskey(plots[2].options.dict, "fill")
+      @test !haskey(plots[3].options.dict, "fill")
+      @test haskey(plots[4].options.dict, "fill")
+      @test ribbon_plot.o !== nothing
+      @test ribbon_plot.o.the_plot !== nothing
+      #    mktempdir() do path
+      #       @test_nowarn savefig(ribbon_plot, path*"ribbon.svg")
+      #    end
+   end # testset
+end # testset