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conversions.jl
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conversions.jl
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using Makie:
NoConversion,
convert_arguments,
conversion_trait,
convert_single_argument,
to_vertices,
categorical_colors
@testset "Conversions" begin
# NoConversion
struct NoConversionTestType end
conversion_trait(::NoConversionTestType) = NoConversion()
let nctt = NoConversionTestType(),
ncttt = conversion_trait(nctt)
@test convert_arguments(ncttt, 1, 2, 3) == (1, 2, 3)
end
end
@testset "changing input types" begin
input = Observable{Any}(decompose(Point2f, Circle(Point2f(0), 2f0)))
f, ax, pl = mesh(input)
m = Makie.triangle_mesh(Circle(Point2f(0), 1f0))
input[] = m
@test pl[1][] == m
end
@testset "to_vertices" begin
X1 = [Point(rand(3)...) for i = 1:10]
V1 = to_vertices(X1)
@test Float32(X1[7][1]) == V1[7][1]
X2 = [tuple(rand(3)...) for i = 1:10]
V2 = to_vertices(X2)
@test Float32(X2[7][1]) == V2[7][1]
X4 = rand(2,10)
V4 = to_vertices(X4)
@test Float32(X4[1,7]) == V4[7][1]
@test V4[7][3] == 0
X5 = rand(3,10)
V5 = to_vertices(X5)
@test Float32(X5[1,7]) == V5[7][1]
X6 = rand(10,2)
V6 = to_vertices(X6)
@test Float32(X6[7,1]) == V6[7][1]
@test V6[7][3] == 0
X7 = rand(10,3)
V7 = to_vertices(X7)
@test Float32(X7[7,1]) == V7[7][1]
end
@testset "GeometryBasics Lines & Polygons" begin
pts = [Point(1, 2), Point(4, 5), Point(10, 8), Point(1, 2)]
ls = LineString(pts)
p = convert_arguments(Makie.PointBased(), ls)
@test p[1] == pts
pts_empty = Point2f[]
ls_empty = LineString(pts_empty)
p_empty = convert_arguments(Makie.PointBased(), ls_empty)
@test p_empty[1] == pts_empty
pts1 = [Point(5, 2), Point(4, 8), Point(2, 8), Point(5, 2)]
ls1 = LineString(pts1)
lsa = [ls, ls1]
p1 = convert_arguments(Makie.PointBased(), lsa)
@test p1[1][1:4] == pts
@test p1[1][6:9] == pts1
mls = MultiLineString(lsa)
p2 = convert_arguments(Makie.PointBased(), mls)
@test p2[1][1:4] == pts
@test p2[1][6:9] == pts1
mls_emtpy = MultiLineString([LineString(pts_empty)])
p_empty = convert_arguments(Makie.PointBased(), mls_emtpy)
@test p_empty[1] == pts_empty
pol_e = Polygon(ls)
p3_e = convert_arguments(Makie.PointBased(), pol_e)
@test p3_e[1][1:end] == pts # for poly we repeat last point
pol = Polygon(ls, [ls1])
p3 = convert_arguments(Makie.PointBased(), pol)
@test p3[1][1:4] == pts
@test p3[1][6:9] == pts1
pol_emtpy = Polygon(pts_empty)
p_empty = convert_arguments(Makie.PointBased(), pol_emtpy)
@test p_empty[1] == pts_empty
pts2 = Point{2,Int}[(5, 1), (3, 3), (4, 8), (1, 2), (5, 1)]
pts3 = Point{2,Int}[(2, 2), (2, 3), (3, 4), (2, 2)]
pts4 = Point{2,Int}[(2, 2), (3, 8), (5, 6), (3, 4), (2, 2)]
ls2 = LineString(pts2)
ls3 = LineString(pts3)
ls4 = LineString(pts4)
pol1 = Polygon(ls2, [ls3, ls4])
apol = [pol, pol1]
p4 = convert_arguments(Makie.PointBased(), apol)
mpol = MultiPolygon([pol, pol1])
@test p4[1][1:4] == pts
@test p4[1][6:9] == pts1
@test p4[1][11:15] == pts2
@test p4[1][17:20] == pts3
@test p4[1][22:end] == pts4
mpol_emtpy = MultiPolygon(typeof(pol_emtpy)[])
p_empty = convert_arguments(Makie.PointBased(), mpol_emtpy)
@test p_empty[1] == pts_empty
end
@testset "functions" begin
x = -pi..pi
s = convert_arguments(Lines, x, sin)
xy = s.args[1]
@test xy[1][1] ≈ -pi
@test xy[end][1] ≈ pi
for (val, fval) in xy
@test fval ≈ sin(val) atol=1f-6
end
x = range(-pi, stop=pi, length=100)
s = convert_arguments(Lines, x, sin)
xy = s.args[1]
@test xy[1][1] ≈ -pi
@test xy[end][1] ≈ pi
for (val, fval) in xy
@test fval ≈ sin(val) atol=1f-6
end
end
using Makie: check_line_pattern, line_diff_pattern
@testset "Linetype" begin
@test isnothing(check_line_pattern("-."))
@test isnothing(check_line_pattern("--"))
@test_throws ArgumentError check_line_pattern("-.*")
# for readability, the length of dash and dot
dash, dot = 3.0, 1.0
@test line_diff_pattern(:dash) ==
line_diff_pattern("-", :normal) == [dash, 3.0]
@test line_diff_pattern(:dot) ==
line_diff_pattern(".", :normal) == [dot, 2.0]
@test line_diff_pattern(:dashdot) ==
line_diff_pattern("-.", :normal) == [dash, 3.0, dot, 3.0]
@test line_diff_pattern(:dashdotdot) ==
line_diff_pattern("-..", :normal) == [dash, 3.0, dot, 2.0, dot, 3.0]
@test line_diff_pattern(:dash, :loose) == [dash, 6.0]
@test line_diff_pattern(:dot, :loose) == [dot, 4.0]
@test line_diff_pattern("-", :dense) == [dash, 2.0]
@test line_diff_pattern(".", :dense) == [dot, 1.0]
@test line_diff_pattern(:dash, 0.5) == [dash, 0.5]
@test line_diff_pattern(:dot, 0.5) == [dot, 0.5]
@test line_diff_pattern("-", (0.4, 0.6)) == [dash, 0.6]
@test line_diff_pattern(:dot, (0.4, 0.6)) == [dot, 0.4]
@test line_diff_pattern("-..", (0.4, 0.6)) == [dash, 0.6, dot, 0.4, dot, 0.6]
# gaps must be Symbol, a number, or two numbers
@test_throws ArgumentError line_diff_pattern(:dash, :NORMAL)
@test_throws ArgumentError line_diff_pattern(:dash, ())
@test_throws ArgumentError line_diff_pattern(:dash, (1, 2, 3))
end
struct MyVector{T}
v::Vector{T}
end
struct MyNestedVector{T}
v::MyVector{T}
end
@testset "single conversions" begin
myvector = MyVector(collect(1:10))
mynestedvector = MyNestedVector(MyVector(collect(11:20)))
@test_throws ErrorException convert_arguments(Lines, myvector, mynestedvector)
Makie.convert_single_argument(v::MyNestedVector) = v.v
Makie.convert_single_argument(v::MyVector) = v.v
@test convert_arguments(Lines, myvector, mynestedvector) == (Point2f.(1:10, 11:20),)
@test isequal(
convert_arguments(Lines, [1, missing, 2]),
(Point2f[(1, 1), (2, NaN), (3, 2)],)
)
@test isequal(
convert_arguments(Lines, [Point(1, 2), missing, Point(3, 4)]),
(Point2f[(1.0, 2.0), (NaN, NaN), (3.0, 4.0)],)
)
end
@testset "categorical colors" begin
@test categorical_colors([to_color(:red)], 1) == [to_color(:red)]
@test categorical_colors([:red], 1) == [to_color(:red)]
@test_throws ErrorException categorical_colors([to_color(:red)], 2)
@test categorical_colors(:darktest, 1) == to_color.(Makie.PlotUtils.palette(:darktest))[1:1]
@test_throws ErrorException to_colormap(:viridis, 10) # deprecated
@test categorical_colors(:darktest, 1) == to_color.(Makie.PlotUtils.palette(:darktest))[1:1]
@test categorical_colors(:viridis, 10) == to_colormap(:viridis)[1:10]
# TODO why don't they exactly match?
@test categorical_colors(:Set1, 9) ≈ to_colormap(:Set1)
@test_throws ArgumentError Makie.categorical_colors(:PuRd, 20) # not enough categories
end
@testset "resample colormap" begin
cs = Makie.resample_cmap(:viridis, 10; alpha=LinRange(0, 1, 10))
@test Colors.alpha.(cs) == Float32.(LinRange(0, 1, 10))
cs = Makie.resample_cmap(:viridis, 2; alpha=0.5)
@test all(x-> x == 0.5, Colors.alpha.(cs))
@test Colors.color.(cs) == Colors.color.(Makie.resample(to_colormap(:viridis), 2))
cs = Makie.resample_cmap(:Set1, 100)
@test all(x-> x == 1.0, Colors.alpha.(cs))
@test Colors.color.(cs) == Colors.color.(Makie.resample(to_colormap(:Set1), 100))
cs = Makie.resample_cmap(:Set1, 10; alpha=(0, 1))
@test Colors.alpha.(cs) == Float32.(LinRange(0, 1, 10))
end
@testset "colors" begin
@test to_color(["red", "green"]) isa Vector{RGBAf}
@test to_color(["red", "green"]) == [to_color("red"), to_color("green")]
end
@testset "heatmap from three vectors" begin
x = [2, 1, 2]
y = [2, 3, 3]
z = [1, 2, 3]
xx, yy, zz = convert_arguments(Heatmap, x, y, z)
@test xx == Float32[0.5, 1.5, 2.5]
@test yy == Float32[1.5, 2.5, 3.5]
@test isequal(zz, [NaN 2; 1 3])
x = [1, 2]
@test_throws ErrorException convert_arguments(Heatmap, x, y, z)
x = copy(y)
@test_throws ErrorException convert_arguments(Heatmap, x, y, z)
x = [NaN, 1, 2]
@test_throws ErrorException convert_arguments(Heatmap, x, y, z)
end
@testset "to_colormap" begin
@test to_colormap([HSL(0, 10, 20)]) isa Vector{RGBAf}
@test to_colormap([:red, :green]) isa Vector{RGBAf}
@test to_colormap([(:red, 0.1), (:green, 0.2)]) isa Vector{RGBAf}
@test to_colormap((:viridis, 0.1)) isa Vector{RGBAf}
@test to_colormap(Reverse(:viridis)) isa Vector{RGBAf}
@test to_colormap(:cividis) isa Vector{RGBAf}
@test to_colormap(cgrad(:cividis, 8, categorical=true)) isa Vector{RGBAf}
@test to_colormap(cgrad(:cividis, 8)) isa Vector{RGBAf}
@test to_colormap(cgrad(:cividis)) isa Vector{RGBAf}
@test alpha(to_colormap(cgrad(:cividis, 8; alpha=0.5))[1]) == 0.5
@test alpha(to_colormap(cgrad(:cividis, 8; alpha=0.5, categorical=true))[1]) == 0.5
@inferred to_colormap([HSL(0, 10, 20)])
@inferred to_colormap([:red, :green])
@inferred to_colormap([(:red, 0.1), (:green, 0.2)])
@inferred to_colormap((:viridis, 0.1))
@inferred to_colormap(Reverse(:viridis))
@inferred to_colormap(:cividis)
@inferred to_colormap(cgrad(:cividis, 8, categorical=true))
@inferred to_colormap(cgrad(:cividis, 8))
@inferred to_colormap(cgrad(:cividis))
@inferred to_colormap(cgrad(:cividis, 8; alpha=0.5))
@inferred to_colormap(cgrad(:cividis, 8; alpha=0.5, categorical=true))
end
@testset "empty poly" begin
f, ax, pl = poly(Rect2f[]);
pl[1] = [Rect2f(0, 0, 1, 1)];
@test pl.plots[1][1][] == [GeometryBasics.triangle_mesh(Rect2f(0, 0, 1, 1))]
f, ax, pl = poly(Vector{Point2f}[])
points = decompose(Point2f, Circle(Point2f(0),1))
pl[1] = [points]
@test pl.plots[1][1][] == Makie.poly_convert(points)
end