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widen gr limits; fixes #265

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This commit is contained in:
Thomas Breloff 2016-05-27 00:14:22 -04:00
parent 83687f96a5
commit 87031984d9
1 changed files with 11 additions and 4 deletions
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15
src/backends/gr.jl
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@ -266,17 +266,24 @@ end
# zmin, zmax # zmin, zmax
# end # end
function widen(lims)
lmin, lmax = lims
span = lmax - lmin
eps = max(1e-16, min(1e-2span, 1e-10))
lmin-eps, lmax+eps
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
gr_x_axislims(sp::Subplot) = axis_limits(sp.attr[:xaxis]) gr_x_axislims(sp::Subplot) = widen(axis_limits(sp.attr[:xaxis]))
gr_y_axislims(sp::Subplot) = axis_limits(sp.attr[:yaxis]) gr_y_axislims(sp::Subplot) = widen(axis_limits(sp.attr[:yaxis]))
gr_z_axislims(sp::Subplot) = axis_limits(sp.attr[:zaxis]) gr_z_axislims(sp::Subplot) = widen(axis_limits(sp.attr[:zaxis]))
gr_xy_axislims(sp::Subplot) = gr_x_axislims(sp)..., gr_y_axislims(sp)... gr_xy_axislims(sp::Subplot) = gr_x_axislims(sp)..., gr_y_axislims(sp)...
function gr_lims(axis::Axis, adjust::Bool, expand = nothing) function gr_lims(axis::Axis, adjust::Bool, expand = nothing)
if expand != nothing if expand != nothing
expand_extrema!(axis, expand) expand_extrema!(axis, expand)
end end
lims = axis_limits(axis) lims = widen(axis_limits(axis))
if adjust if adjust
GR.adjustrange(lims...) GR.adjustrange(lims...)
else else