mantao/Plots.jl
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improve axis decorations (#3756)

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* improve handling of LaTeXStrings in tick labels

* respect guidefonthalign
This commit is contained in:
Simon Christ 2021-08-28 21:08:03 +02:00 committed by GitHub
parent 25a36bab85
commit ea686c331b
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1 changed files with 16 additions and 7 deletions
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13
src/backends/pgfplotsx.jl
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@ -1232,6 +1232,8 @@ function pgfx_axis!(opt::PGFPlotsX.Options, sp::Subplot, letter)
opt, opt,
string(letter, "label style") => PGFPlotsX.Options( string(letter, "label style") => PGFPlotsX.Options(
labelpos => nothing, labelpos => nothing,
"at" => string("{(ticklabel cs:", get((left = 0, right = 1), axis[:guidefonthalign], 0.5),")}"),
"anchor" => "near ticklabel",
"font" => pgfx_font(axis[:guidefontsize], pgfx_thickness_scaling(sp)), "font" => pgfx_font(axis[:guidefontsize], pgfx_thickness_scaling(sp)),
"color" => cstr, "color" => cstr,
"draw opacity" => α, "draw opacity" => α,
@ -1279,21 +1281,28 @@ function pgfx_axis!(opt::PGFPlotsX.Options, sp::Subplot, letter)
push!(opt, string(letter, "tick") => string("{", join(tick_values, ","), "}")) push!(opt, string(letter, "tick") => string("{", join(tick_values, ","), "}"))
if axis[:showaxis] && axis[:scale] in (:ln, :log2, :log10) && axis[:ticks] == :auto if axis[:showaxis] && axis[:scale] in (:ln, :log2, :log10) && axis[:ticks] == :auto
# wrap the power part of label with } # wrap the power part of label with }
tick_labels = Vector{String}(undef, length(ticks[2])) tick_labels = similar(ticks[2])
for (i, label) in enumerate(ticks[2]) for (i, label) in enumerate(ticks[2])
base, power = split(label, "^") base, power = split(label, "^")
power = string("{", power, "}") power = string("{", power, "}")
tick_labels[i] = string(base, "^", power) tick_labels[i] = string(base, "^", power)
end end
if tick_labels isa Vector{String}
push!( push!(
opt, opt,
string(letter, "ticklabels") => string(letter, "ticklabels") =>
string("{\$", join(tick_labels, "\$,\$"), "\$}"), string("{\$", join(tick_labels, "\$,\$"), "\$}"),
) )
elseif tick_labels isa Vector{LaTeXString}
push!(
opt,
string(letter, "ticklabels") => join(tick_labels)
)
end
elseif axis[:showaxis] elseif axis[:showaxis]
tick_labels = tick_labels =
ispolar(sp) && letter == :x ? [ticks[2][3:end]..., "0", "45"] : ticks[2] ispolar(sp) && letter == :x ? [ticks[2][3:end]..., "0", "45"] : ticks[2]
if axis[:formatter] in (:scientific, :auto) if axis[:formatter] in (:scientific, :auto) && tick_labels isa Vector{String}
tick_labels = string.("\$", convert_sci_unicode.(tick_labels), "\$") tick_labels = string.("\$", convert_sci_unicode.(tick_labels), "\$")
tick_labels = replace.(tick_labels, Ref("×" => "\\times")) tick_labels = replace.(tick_labels, Ref("×" => "\\times"))
end end