Update documentation

[hyrodium]

No description provided.

[hyrodium]

TODO

• Update README documentation
• Update API page
• Update plotting examples

[hyrodium]

Plotting example

using BasicBSpline
using Plots
using Random

# Initialize
gr()
Random.seed!(42)
N = 10

# Easing functions
c=2/√3
f(t) = ifelse(t>0,exp(-1/t),0.0)
g(t) = 1-f(c*t)/(f(c*t)+f(c-c*t))
h(t) = 1-f((1-t)/2)/f(1/2)

# Default knot vector
v = 10*(1:N-1)/N + randn(N-1)*0.5
pushfirst!(v,0)
push!(v,10)

anim = @animate for t in 0:0.05:5
    k = KnotVector(v)
    k.vector[4] = v[4]
    k.vector[5] = v[4] + (g(t-0) + ifelse(t>3.9,h(t-3.9),0)) * (v[5]-v[4])
    k.vector[6] = v[4] + (g(t-1) + ifelse(t>3.6,h(t-3.6),0)) * (v[6]-v[4])
    k.vector[7] = v[4] + (g(t-2) + ifelse(t>3.3,h(t-3.3),0)) * (v[7]-v[4])
    P0 = BSplineSpace{0}(k)
    P1 = BSplineSpace{1}(k)
    P2 = BSplineSpace{2}(k)
    P3 = BSplineSpace{3}(k)
    plot(
        plot(P0; label="P0", ylims=(0,1), color=palette(:cool,4)[1]),
        plot(P1; label="P1", ylims=(0,1), color=palette(:cool,4)[2]),
        plot(P2; label="P2", ylims=(0,1), color=palette(:cool,4)[3]),
        plot(P3; label="P3", ylims=(0,1), color=palette(:cool,4)[4]),
        plot(k; label="knot vector", ylims=(-0.1,0.1), color=:white);
        layout=(5,1),
        size=(501,800)
    )
end

run(`ffmpeg -y -framerate 24 -i $(anim.dir)/%06d.png -c:v libx264 -pix_fmt yuv420p output.mp4`)

output.mp4

[hyrodium]

Slightly updated

using BasicBSpline
using Plots
using Random

# Initialize
gr()
Random.seed!(42)
N = 10

# Easing functions
c=2/√3
f(t) = ifelse(t>0,exp(-1/t),0.0)
g(t) = 1-f(c*t)/(f(c*t)+f(c-c*t))
h(t) = 1-f((1-t)/2)/f(1/2)

# Default knot vector
v = 10*(1:N-1)/N + randn(N-1)*0.5
pushfirst!(v,0)
push!(v,10)

anim = @animate for t in 0:0.05:5
    k = KnotVector(v)
    k.vector[4] = v[4]
    k.vector[5] = v[4] + (g(t-0) + ifelse(t>3.9,h(t-3.9),0)) * (v[5]-v[4])
    k.vector[6] = v[4] + (g(t-1) + ifelse(t>3.6,h(t-3.6),0)) * (v[6]-v[4])
    k.vector[7] = v[4] + (g(t-2) + ifelse(t>3.3,h(t-3.3),0)) * (v[7]-v[4])
    P0 = BSplineSpace{0}(k)
    P1 = BSplineSpace{1}(k)
    P2 = BSplineSpace{2}(k)
    P3 = BSplineSpace{3}(k)
    plot(
        plot(P0; label="P0", ylims=(0,1), color=palette(:cool,4)[1]),
        plot(P1; label="P1", ylims=(0,1), color=palette(:cool,4)[2]),
        plot(P2; label="P2", ylims=(0,1), color=palette(:cool,4)[3]),
        plot(P3; label="P3", ylims=(0,1), color=palette(:cool,4)[4]),
        plot(k; label="knot vector", ylims=(-0.1,0.02), color=:white, yticks=nothing);
        layout=grid(5, 1, heights=[0.23 ,0.23, 0.23, 0.23, 0.08]),
        size=(501,800)
    )
end

run(`ffmpeg -y -framerate 24 -i $(anim.dir)/%06d.png -c:v libx264 -pix_fmt yuv420p output.mp4`)