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allow automatic widening of the axis limits to the next power of 10 with xlim/ylim = :round

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This commit is contained in:
Will Grant 2018-06-06 11:20:05 +10:00
parent f6bc7721a8
commit cbbd4fd029
1 changed files with 9 additions and 0 deletions
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9
src/axes.jl
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@ -441,6 +441,13 @@ function default_should_widen(axis::Axis)
should_widen should_widen
end end
function round_limits(amin,amax)
scale = 10^(1-round(log10(amax - amin)))
amin = floor(amin*scale)/scale
amax = ceil(amax*scale)/scale
amin, amax
end
# using the axis extrema and limit overrides, return the min/max value for this axis # using the axis extrema and limit overrides, return the min/max value for this axis
function axis_limits(axis::Axis, should_widen::Bool = default_should_widen(axis)) function axis_limits(axis::Axis, should_widen::Bool = default_should_widen(axis))
ex = axis[:extrema] ex = axis[:extrema]
@ -471,6 +478,8 @@ function axis_limits(axis::Axis, should_widen::Bool = default_should_widen(axis)
end end
elseif should_widen elseif should_widen
widen(amin, amax) widen(amin, amax)
elseif lims == :round
round_limits(amin,amax)
else else
amin, amax amin, amax
end end