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fix plotly aspect_ratio and reword arg desc; closes #523

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This commit is contained in:
Thomas Breloff 2016-10-07 12:14:06 -04:00
parent a4c25321d8
commit 04a4357684
2 changed files with 8 additions and 5 deletions
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2
src/arg_desc.jl
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@ -85,7 +85,7 @@ const _arg_desc = KW(
:grid => "Bool. Show the grid lines?",
:annotations => "(x,y,text) tuple(s). Can be a single tuple or a list of them. Text can be String or PlotText (created with `text(args...)`) Add one-off text annotations at the x,y coordinates.",
:projection => "Symbol or String. '3d' or 'polar'",
:aspect_ratio => "Symbol (:equal) or Number (width to height ratio of plot area).",
:aspect_ratio => "Symbol (:equal) or Number. Plot area is resized so that 1 y-unit is the same size as `apect_ratio` x-units.",
:margin => "Measure (multiply by `mm`, `px`, etc). Base for individual margins... not directly used. Specifies the extra padding around subplots.",
:left_margin => "Measure (multiply by `mm`, `px`, etc) or `:match` (matches `:margin`). Specifies the extra padding to the left of the subplot.",
:top_margin => "Measure (multiply by `mm`, `px`, etc) or `:match` (matches `:margin`). Specifies the extra padding on the top of the subplot.",

11
src/backends/plotly.jl
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@ -162,14 +162,17 @@ function plotly_apply_aspect_ratio(sp::Subplot, plotarea, pcts)
if aspect_ratio == :equal
aspect_ratio = 1.0
end
xmin,xmax = axis_limits(sp[:xaxis])
ymin,ymax = axis_limits(sp[:yaxis])
want_ratio = ((xmax-xmin) / (ymax-ymin)) / aspect_ratio
parea_ratio = width(plotarea) / height(plotarea)
if aspect_ratio > parea_ratio
if want_ratio > parea_ratio
# need to shrink y
ratio = parea_ratio / aspect_ratio
ratio = parea_ratio / want_ratio
pcts[2], pcts[4] = shrink_by(pcts[2], pcts[4], ratio)
elseif aspect_ratio < parea_ratio
elseif want_ratio < parea_ratio
# need to shrink x
ratio = aspect_ratio / parea_ratio
ratio = want_ratio / parea_ratio
pcts[1], pcts[3] = shrink_by(pcts[1], pcts[3], ratio)
end
pcts