mirror of
https://gitlab.rlp.net/mobitar/ReCo.jl.git
synced 2024-11-08 22:21:08 +00:00
123 lines
No EOL
2.6 KiB
Julia
123 lines
No EOL
2.6 KiB
Julia
using Luxor
|
||
|
||
using ReCo: restrict_coordinate, project_to_unit_circle, project_back_from_unit_circle
|
||
|
||
##
|
||
|
||
box_length = 100
|
||
box_height = 100
|
||
|
||
L = 0.35 * box_length
|
||
|
||
R = 0.35 * box_length
|
||
|
||
A = -0.9 * L
|
||
B = 0.65 * L
|
||
pr = 0.03 * L
|
||
|
||
Ap_vec = Vector(project_to_unit_circle(A, L))
|
||
Bp_vec = Vector(project_to_unit_circle(B, L))
|
||
for p in (Ap_vec, Bp_vec)
|
||
p[2] *= -1
|
||
end
|
||
|
||
Ap = Point(Ap_vec[1], Ap_vec[2])
|
||
Bp = Point(Bp_vec[1], Bp_vec[2])
|
||
|
||
M = R * ((Ap + Bp) / 2)
|
||
|
||
θ = atan(-M[2], M[1])
|
||
|
||
COM = project_back_from_unit_circle(θ, L)
|
||
COMp = R * Point(cos(θ), -sin(θ))
|
||
|
||
##
|
||
|
||
graphics_export_dir = "exports/graphics"
|
||
mkpath(graphics_export_dir)
|
||
|
||
Drawing(box_length, box_height, "$graphics_export_dir/line.pdf")
|
||
origin()
|
||
|
||
setcolor("black")
|
||
arrow(Point(-1.1 * L, 0), Point(1.2 * L, 0); arrowheadlength=0.1 * L, linewidth=0.8)
|
||
|
||
green_orange = blend(Point(-1.5 * L, 0), Point(1.5 * L, 0))
|
||
addstop(green_orange, 0.0, "orange")
|
||
addstop(green_orange, (L) / (3 * L), "green")
|
||
addstop(green_orange, (2 * L) / (3 * L), "orange")
|
||
addstop(green_orange, 1.0, "green")
|
||
setblend(green_orange)
|
||
setline(0.8)
|
||
line(Point(-L, 0), Point(L, 0), :stroke)
|
||
|
||
setcolor("red")
|
||
setline(0.5)
|
||
for x in (-L, L)
|
||
line(Point(x, 0.05 * L), Point(x, -0.05 * L), :stroke)
|
||
end
|
||
|
||
setcolor("cyan3")
|
||
line(Point(0, 0.05 * L), Point(0, -0.05 * L), :stroke)
|
||
|
||
setcolor("blue")
|
||
for p in (A, B)
|
||
circle(Point(p, 0), pr, :fill)
|
||
end
|
||
|
||
setcolor("brown")
|
||
circle(Point(COM, 0), pr, :fill)
|
||
|
||
setcolor("black")
|
||
fontsize(5)
|
||
text("x", Point(1.2 * L, 0.035 * L))
|
||
text("-L", Point(-L - 0.08 * L, 0.18 * L))
|
||
text("0", Point(0 - 0.035 * L, 0.18 * L))
|
||
text("+L", Point(L - 0.08 * L, 0.18 * L))
|
||
text("A", Point(A - 0.04 * L, -0.06 * L))
|
||
text("B", Point(B - 0.04 * L, -0.06 * L))
|
||
text("COM", Point(COM - 0.125 * L, -0.06 * L))
|
||
|
||
finish()
|
||
|
||
##
|
||
|
||
Drawing(box_length, box_height, "$graphics_export_dir/circle.pdf")
|
||
origin()
|
||
|
||
arrow(Point(-1.2 * R, 0), Point(1.2 * R, 0); arrowheadlength=0.1 * R, linewidth=0.8)
|
||
arrow(Point(0, 1.2 * R), Point(0, -1.2 * R); arrowheadlength=0.1 * R, linewidth=0.8)
|
||
|
||
setcolor("black")
|
||
fontsize(5)
|
||
text("α", Point(1.22 * R, 0.035 * R))
|
||
text("β", Point(-0.04 * R, -1.23 * R))
|
||
|
||
orange_green = blend(Point(0, -R), Point(0, R), "green", "orange")
|
||
setblend(orange_green)
|
||
setline(0.8)
|
||
circle(Point(0, 0), R, :stroke)
|
||
|
||
setcolor("red")
|
||
setline(0.5)
|
||
line(Point(1.05 * R, 0), Point(0.95 * R, 0), :stroke)
|
||
setcolor("cyan3")
|
||
line(Point(-1.05 * R, 0), Point(-0.95 * R, 0), :stroke)
|
||
|
||
setcolor("blue")
|
||
for pp in (Ap, Bp)
|
||
circle(R * pp, pr, :fill)
|
||
end
|
||
|
||
setcolor("black")
|
||
setdash("dot")
|
||
line(R * Ap, R * Bp, :stroke)
|
||
line(Point(0, 0), COMp, :stroke)
|
||
|
||
setcolor("purple1")
|
||
circle(M, pr, :fill)
|
||
|
||
setcolor("brown")
|
||
circle(COMp, pr, :fill)
|
||
|
||
finish() |