mantao/Plots.jl
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allow relative positioning of annotations

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This commit is contained in:
t-bltg 2021-07-08 18:50:46 +02:00
parent 4a18098944
commit bb493a872a
1 changed files with 46 additions and 29 deletions
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75
src/components.jl
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@ -588,13 +588,13 @@ function process_annotation(sp::Subplot, xs, ys, labs, font = nothing)
ylength = length(methods(length, (typeof(ys),))) == 0 ? 1 : length(ys)
if isnothing(font)
font = Plots.font(;
family=sp[:annotationfontfamily],
pointsize=sp[:annotationfontsize],
halign=sp[:annotationhalign],
valign=sp[:annotationvalign],
rotation=sp[:annotationrotation],
color=sp[:annotationcolor],
)
family=sp[:annotationfontfamily],
pointsize=sp[:annotationfontsize],
halign=sp[:annotationhalign],
valign=sp[:annotationvalign],
rotation=sp[:annotationrotation],
color=sp[:annotationcolor],
)
end
for i in 1:max(xlength, ylength, length(labs))
x, y, lab = _cycle(xs, i), _cycle(ys, i), _cycle(labs, i)
@ -614,13 +614,13 @@ function process_annotation(sp::Subplot, positions::Union{AVec{Symbol},Symbol},
positions, labs = makevec(positions), makevec(labs)
if isnothing(font)
font = Plots.font(;
family=sp[:annotationfontfamily],
pointsize=sp[:annotationfontsize],
halign=sp[:annotationhalign],
valign=sp[:annotationvalign],
rotation=sp[:annotationrotation],
color=sp[:annotationcolor],
)
family=sp[:annotationfontfamily],
pointsize=sp[:annotationfontsize],
halign=sp[:annotationhalign],
valign=sp[:annotationvalign],
rotation=sp[:annotationrotation],
color=sp[:annotationcolor],
)
end
for i in 1:max(length(positions), length(labs))
pos, lab = _cycle(positions, i), _cycle(labs, i)
@ -635,26 +635,43 @@ function process_annotation(sp::Subplot, positions::Union{AVec{Symbol},Symbol},
anns
end
function process_any_label(lab, font=Font())
lab isa Tuple ? text(lab...) : text( lab, font )
end
process_any_label(lab, font=Font()) = lab isa Tuple ? text(lab...) : text(lab, font)
_relative_position(xmin, xmax, pos::Length{:pct}) = xmin + pos.value * (xmax - xmin)
# Give each annotation coordinates based on specified position
function locate_annotation(sp::Subplot, pos::Symbol, lab::PlotText)
position_multiplier = Dict{Symbol, Tuple{Float64,Float64}}(
:topleft => (0.1, 0.9),
:topcenter => (0.5, 0.9),
:topright => (0.9, 0.9),
:bottomleft => (0.1, 0.1),
:bottomcenter => (0.5, 0.1),
:bottomright => (0.9, 0.1),
locate_annotation(
sp::Subplot, pos::Symbol, label::PlotText;
position_multiplier=Dict{Symbol, Tuple{Float64,Float64}}(
:topleft => (0.1pct, 0.9pct),
:topcenter => (0.5pct, 0.9pct),
:topright => (0.9pct, 0.9pct),
:bottomleft => (0.1pct, 0.1pct),
:bottomcenter => (0.5pct, 0.1pct),
:bottomright => (0.9pct, 0.1pct),
)
) = begin
x, y = position_multiplier[pos]
(
_relative_position(axis_limits(sp, :x)..., x),
_relative_position(axis_limits(sp, :y)..., y),
label
)
xmin, xmax = ignorenan_extrema(sp[:xaxis])
ymin, ymax = ignorenan_extrema(sp[:yaxis])
x, y = (xmin, ymin).+ position_multiplier[pos].* (xmax - xmin, ymax - ymin)
(x, y, lab)
end
locate_annotation(sp::Subplot, x, y, label::PlotText) = (x, y, label)
locate_annotation(sp::Subplot, x, y, z, label::PlotText) = (x, y, z, label)
locate_annotation(sp::Subplot, x::Length{:pct}, y::Length{:pct}, label::PlotText) = (
_relative_position(axis_limits(sp, :x)..., x),
_relative_position(axis_limits(sp, :y)..., y),
label
)
locate_annotation(sp::Subplot, x::Length{:pct}, y::Length{:pct}, z::Length{:pct}, label::PlotText) = (
_relative_position(axis_limits(sp, :x)..., x),
_relative_position(axis_limits(sp, :y)..., y),
_relative_position(axis_limits(sp, :z)..., z),
label
)
# -----------------------------------------------------------------------
"type which represents z-values for colors and sizes (and anything else that might come up)"