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abline! does not change axis limits

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Michael K. Borregaard 2017-12-11 10:26:19 +01:00
parent ab490b8f95
commit 5e5f3c1e95
1 changed files with 4 additions and 2 deletions
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6
src/recipes.jl
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@ -985,9 +985,11 @@ end
# ------------------------------------------------- # -------------------------------------------------
"Adds a+bx... straight line over the current plot" "Adds a+bx... straight line over the current plot, without changing the axis limits"
function abline!(plt::Plot, a, b; kw...) function abline!(plt::Plot, a, b; kw...)
plot!(plt, [ignorenan_extrema(plt)...], x -> b + a*x; kw...) xl, yl = xlims(plt), ylims(plt)
x1, x2 = max(xl[1], (yl[1] - b)/a), min(xl[2], (yl[2] - b)/a)
plot!(plt, x -> b + a*x, x1, x2; kw...)
end end
abline!(args...; kw...) = abline!(current(), args...; kw...) abline!(args...; kw...) = abline!(current(), args...; kw...)