mantao/Plots.jl
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3d done

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This commit is contained in:
Nicholas Bauer 2021-09-26 03:54:08 -04:00
parent ccb4802678
commit 360b3bb872
1 changed files with 46 additions and 20 deletions
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66
src/backends/gr.jl
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@ -710,6 +710,15 @@ end
text_box_width(w, h, rot) = abs(cosd(rot)) * w + abs(cosd(rot + 90)) * h
text_box_height(w, h, rot) = abs(sind(rot)) * w + abs(sind(rot + 90)) * h
function gr_get_3d_axis_angle(cvs, nt, ft, letter)
length(cvs) < 2 && return 0
tickpoints = [gr_w3tondc(sort_3d_axes(cv, nt, ft, letter)...) for cv ∈ cvs]
dx = tickpoints[2][1] - tickpoints[1][1]
dy = tickpoints[2][2] - tickpoints[1][2]
return atand(dy, dx)
end
function gr_get_ticks_size(ticks, rot)
w, h = 0.0, 0.0
for (cv, dv) in zip(ticks...)
@ -1616,11 +1625,9 @@ function gr_label_ticks_3d(sp, letter, ticks)
nt = sp[:framestyle] == :origin ? 0 : ax[:mirror] ? n1 : n0
ft = sp[:framestyle] == :origin ? 0 : ax[:mirror] ? famax : famin
out_factor = ifelse(ax[:tick_direction] === :out, 1.5, 1)
x_base_offset = isz ? -1.5e-2 * out_factor : isy ? 1.5e-2 * out_factor : 0
y_base_offset = isz ? 0 : isy ? -1.5e-2 * out_factor : -8e-3 * out_factor
rot = ax[:rotation] % 360
rot = mod(ax[:rotation], 360)
sgn = ax[:mirror] ? -1 : 1
sgn2 = iseven(floor(rot / 90)) ? -1 : 1
sgn3 = if isz
@ -1632,26 +1639,45 @@ function gr_label_ticks_3d(sp, letter, ticks)
cvs, dvs = ticks
ax[:flip] && reverse!(cvs)
axisθ = isz ? 270 : mod(gr_get_3d_axis_angle(cvs, nt, ft, letter), 360) # issue: doesn't work with 1 tick
axisϕ = mod(axisθ - 90, 360)
out_factor = ifelse(ax[:tick_direction] === :out, 1.5, 1)
axisoffset = out_factor * 1.2e-2
x_base_offset = axisoffset * cosd(axisϕ)
y_base_offset = axisoffset * sind(axisϕ)
sgn2a = sgn2b = sgn3 = 0
if axisθ != 0 || rot % 90 != 0
sgn2a = (axisθ != 90) &&
(axisθ == 0 && (rot < 90 || 180 ≤ rot < 270)) ||
(axisθ == 270) ||
(axisθ < 90 && (axisθ < rot < 90 || axisθ + 180 < rot < 270)) ||
(axisθ > 270 && (rot < 90 || axisθ - 180 < rot < 270 || rot > axisθ)) ? -1 : 1
end
if (axisθ - 90) % 180 != 0 || (rot - 90) % 180 != 0
sgn2b = axisθ == 0 ||
(axisθ == 90 && (90 ≤ rot < 180 || 270 ≤ rot < 360)) ||
(axisθ == 270 && (rot < 90 || 180 ≤ rot < 270)) ||
(axisθ < 90 && (axisθ < rot < 180 || axisθ + 180 < rot)) ||
(axisθ > 270 && (rot < axisθ - 180 || 180 ≤ rot < axisθ)) ? -1 : 1
end
if !(axisθ == 0 && rot % 180 == 0) && ((rot - 90) % 180 != 0)
sgn3 = (axisθ == 0 && 90 < rot < 270) ||
(axisθ == 90 && rot < 180) ||
(axisθ == 270 && rot > 180) ||
(axisθ < 90 && (rot < axisθ || 90 ≤ rot < 180 || axisθ + 180 < rot < 270)) ||
(axisθ > 270 && (90 ≤ rot < axisθ - 180 || 180 ≤ rot < 270 || rot > axisθ)) ? -1 : 1
end
for (cv, dv) in zip((cvs, dvs)...)
xi, yi = gr_w3tondc(sort_3d_axes(cv, nt, ft, letter)...)
sz_rot = gr_text_size(dv, rot)
sz = gr_text_size(dv)
x_offset = x_base_offset
y_offset = y_base_offset
if isz
x_offset += -first(sz_rot) / 2
if rot % 90 != 0
y_offset += sgn2 * last(sz_rot) / 2 + sgn3 * last(sz) * cosd(rot) / 2
end
elseif isy
x_offset += first(sz_rot) / 2
y_offset -= sgn2 * last(sz_rot) / 2 + sgn3 * last(sz) * cosd(rot) / 2
else
if rot % 90 != 0
x_offset += sgn2 * first(sz_rot) / 2 + sgn3 * last(sz) * sind(rot) / 2
end
y_offset += -last(sz_rot) / 2
end
x_offset = x_base_offset + sgn2a * first(sz_rot) / 2 + sgn3 * last(sz) * sind(rot) / 2
y_offset = y_base_offset + sgn2b * last(sz_rot) / 2 + sgn3 * last(sz) * cosd(rot) / 2
gr_text(xi + sgn * x_offset, yi + sgn * y_offset, dv)
end
end