added Showoff dependency; fix PLOTS_DEFAULTS; fix auto fill to 0; fix scale warning; tick labels with Showoff; fontsize in GR; travis deps

REQUIRE

@@ -6,3 +6,4 @@ Reexport
 Compat
 FixedSizeArrays
 Measures
+Showoff

src/Plots.jl

@@ -11,6 +11,7 @@ using FixedSizeArrays
 @reexport using RecipesBase
 using Base.Meta
 @reexport using PlotUtils
+import Showoff
 
 export
     AbstractPlot,
@@ -236,8 +237,8 @@ function __init__()
     setup_ijulia()
     setup_atom()
 
-    if haskey(ENV, "PLOTS_DEFAULTS")
-        for (k,v) in eval(parse(ENV["PLOTS_DEFAULTS"]))
+    if isdefined(Main, :PLOTS_DEFAULTS)
+        for (k,v) in Main.PLOTS_DEFAULTS
             default(k, v)
         end
     end

src/args.jl

@@ -585,15 +585,15 @@ end
 
 
 function processFillArg(d::KW, arg)
-    fr = get(d, :fillrange, 0)
+    # fr = get(d, :fillrange, 0)
     if typeof(arg) <: Brush
-        arg.size  == nothing || (fr = arg.size)
+        arg.size  == nothing || (d[:fillrange] = arg.size)
         arg.color == nothing || (d[:fillcolor] = arg.color == :auto ? :auto : plot_color(arg.color))
         arg.alpha == nothing || (d[:fillalpha] = arg.alpha)
 
     # fillrange function
     elseif allFunctions(arg)
-        fr = arg
+        d[:fillrange] = arg
 
     # fillalpha
     elseif allAlphas(arg)
@@ -601,9 +601,9 @@ function processFillArg(d::KW, arg)
 
     elseif !handleColors!(d, arg, :fillcolor)
 
-        fr = arg
+        d[:fillrange] = arg
     end
-    d[:fillrange] = fr
+    # d[:fillrange] = fr
     return    
 end
 
@@ -778,7 +778,7 @@ function warnOnUnsupported(pkg::AbstractBackend, d::KW)
 end
 
 function warnOnUnsupported_scales(pkg::AbstractBackend, d::KW)
-    for k in (:xscale, :yscale, :zscale)
+    for k in (:xscale, :yscale, :zscale, :scale)
         if haskey(d, k)
             v = d[k]
             v = get(_scaleAliases, v, v)

src/axes.jl

@@ -129,9 +129,18 @@ const _inv_scale_funcs = Dict{Symbol,Function}(
     :ln => exp,
 )
 
+const _label_func = Dict{Symbol,Function}(
+    :log10 => x -> "10^$x",
+    :log2 => x -> "2^$x",
+    :ln => x -> "e^$x",
+    # :log2 => exp2,
+    # :ln => exp,
+)
+
 
 scalefunc(scale::Symbol) = x -> get(_scale_funcs, scale, identity)(Float64(x))
 invscalefunc(scale::Symbol) = x -> get(_inv_scale_funcs, scale, identity)(Float64(x))
+labelfunc(scale::Symbol) = get(_label_func, scale, string)
 
 function optimal_ticks_and_labels(axis::Axis, ticks = nothing)
     lims = axis_limits(axis)
@@ -139,18 +148,32 @@ function optimal_ticks_and_labels(axis::Axis, ticks = nothing)
     # scale the limits
     scale = axis[:scale]
     scaled_lims = map(scalefunc(scale), lims)
+    # @show lims scaled_lims
 
     # get a list of well-laid-out ticks
     cv = if ticks == nothing
-        optimize_ticks(scaled_lims...)[1]
+        optimize_ticks(scaled_lims...,
+            k_min = 5, # minimum number of ticks
+            k_max = 8, # maximum number of ticks
+            span_buffer = 0.0 # padding buffer in case nice ticks are closeby
+        )[1]
     else
         ticks
     end
 
+    # # expand to ensure we see all the ticks
+    # expand_extrema!(axis, cv)
+
     # rescale and return values and labels
+    # @show cv
+    ticklabels = map(labelfunc(scale), Showoff.showoff(cv, :plain))
+
     tickvals = map(invscalefunc(scale), cv)
-    basestr = scale == :log10 ? "10^" : scale == :log2 ? "2^" : scale == :ln ? "e^" : ""
-    tickvals, ["$basestr$cvi" for cvi in cv]
+    # @show tickvals ticklabels
+    # ticklabels = Showoff.showoff(tickvals, scale == :log10 ? :scientific : :auto)
+    tickvals, ticklabels
+    # basestr = scale == :log10 ? "10^" : scale == :log2 ? "2^" : scale == :ln ? "e^" : ""
+    # tickvals, ["$basestr$cvi" for cvi in cv]
 end
 
 # return (continuous_values, discrete_values) for the ticks on this axis

src/backends/gr.jl

@@ -448,7 +448,7 @@ function gr_display(plt::Plot)
 
     # update point mult
     px_per_pt = px / pt
-    _gr_point_mult[1] = px_per_pt / max(h,w)
+    _gr_point_mult[1] = 1.5 * px_per_pt / max(h,w)
 
     # subplots:
     for sp in plt.subplots
@@ -566,7 +566,7 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
         end
 
         xticks, yticks, spine_segs, grid_segs = axis_drawing_info(sp)
-        # @show xticks yticks spine_segs grid_segs
+        # @show xticks yticks #spine_segs grid_segs
 
         # draw the grid lines
         if sp[:grid]

src/output.jl

@@ -147,14 +147,15 @@ function Base.writemime(io::IO, ::MIME"text/html", plt::Plot)
     end
 end
 
+function _writemime(io::IO, m, plt::Plot)
+    warn("_writemime is not defined for this backend. m=", string(m))
+end
+function _display(plt::Plot)
+    warn("_display is not defined for this backend.")
+end
+
 # for writing to io streams... first prepare, then callback
 for mime in keys(_mimeformats)
-    @eval function _writemime(io::IO, m, plt::Plot)
-        warn("_writemime is not defined for this backend. m=", string(m))
-    end
-    @eval function _display(plt::Plot)
-        warn("_display is not defined for this backend.")
-    end
     @eval function Base.writemime(io::IO, m::MIME{Symbol($mime)}, plt::Plot)
         prepare_output(plt)
         _writemime(io, m, plt)
@@ -166,24 +167,22 @@ end
 # A backup, if no PNG generation is defined, is to try to make a PDF and use FileIO to convert
 
 if is_installed("FileIO")
-    @eval begin
-        import FileIO
-        function _writemime(io::IO, ::MIME"image/png", plt::Plot)
-            fn = tempname()
+    @eval import FileIO
+    function _writemime(io::IO, ::MIME"image/png", plt::Plot)
+        fn = tempname()
 
-            # first save a pdf file
-            pdf(plt, fn)
+        # first save a pdf file
+        pdf(plt, fn)
 
-            # load that pdf into a FileIO Stream
-            s = FileIO.load(fn * ".pdf")
+        # load that pdf into a FileIO Stream
+        s = FileIO.load(fn * ".pdf")
 
-            # save a png
-            pngfn = fn * ".png"
-            FileIO.save(pngfn, s)
+        # save a png
+        pngfn = fn * ".png"
+        FileIO.save(pngfn, s)
 
-            # now write from the file
-            write(io, readall(open(pngfn)))
-        end
+        # now write from the file
+        write(io, readall(open(pngfn)))
     end
 end
 

src/recipes.jl

@@ -77,7 +77,7 @@ function seriestype_supported(pkg::AbstractBackend, st::Symbol)
 end
 
 macro deps(st, args...)
-    :(series_recipe_dependencies($(quot(st)), $(map(quot, args)...)))
+    :(Plots.series_recipe_dependencies($(quot(st)), $(map(quot, args)...)))
 end
 
 # get a list of all seriestypes

test/REQUIRE

@@ -5,8 +5,10 @@ PlotUtils
 StatPlots
 Reexport
 Measures
+Showoff
 FactCheck
 Images
+ImageMagick
 @osx QuartzImageIO
 GR
 DataFrames

test/runtests.jl

@@ -30,7 +30,7 @@ facts("GR") do
     @fact gr() --> Plots.GRBackend()
     @fact backend() --> Plots.GRBackend()
 
-    # @linux_only image_comparison_facts(:gr, skip=[], eps=img_eps)
+    @linux_only image_comparison_facts(:gr, skip=[], eps=img_eps)
 end
 
 facts("Plotly") do

test/travis_commands.jl

@@ -1,8 +1,8 @@
-Pkg.clone("ImageMagick")
-Pkg.build("ImageMagick")
+# Pkg.clone("ImageMagick")
+# Pkg.build("ImageMagick")
 
-Pkg.clone("GR")
-Pkg.build("GR")
+# Pkg.clone("GR")
+# Pkg.build("GR")
 
 Pkg.clone("https://github.com/JuliaPlots/PlotReferenceImages.jl.git")
 
@@ -17,8 +17,9 @@ Pkg.clone("StatPlots")
 # Pkg.clone("https://github.com/spencerlyon2/PlotlyJS.jl.git")
 
 # Pkg.checkout("RecipesBase")
-Pkg.clone("VisualRegressionTests")
+# Pkg.clone("VisualRegressionTests")
 
+# need this to use Conda
 ENV["PYTHON"] = ""
 Pkg.add("PyPlot")
 Pkg.build("PyPlot")