use concrete type instead of abstract Point2

Project.toml

@@ -1,7 +1,7 @@
 name = "TernaryDiagrams"
 uuid = "54198458-1476-45ac-9e44-88a4201bfea6"
 authors = ["St. Elmo Wilken <[email protected]> and contributors"]
-version = "0.1.2"
+version = "0.1.3"
 
 [deps]
 ColorSchemes = "35d6a980-a343-548e-a6ea-1d62b119f2f4"
@@ -12,10 +12,11 @@ VoronoiDelaunay = "72f80fcb-8c52-57d9-aff0-40c1a3526986"
 
 [compat]
 Aqua = "0.8"
+CairoMakie = "0.11, 0.12"
 ColorSchemes = "3"
 DocStringExtensions = "0.9"
-GeometricalPredicates = "0.4"
 GLMakie = "0.9, 0.10"
+GeometricalPredicates = "0.4"
 JLD2 = "0.5"
 Makie = "0.20, 0.21"
 ReferenceTests = "0.10"
@@ -26,11 +27,12 @@ julia = "1"
 
 [extras]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
+CairoMakie = "13f3f980-e62b-5c42-98c6-ff1f3baf88f0"
 GLMakie = "e9467ef8-e4e7-5192-8a1a-b1aee30e663a"
 JLD2 = "033835bb-8acc-5ee8-8aae-3f567f8a3819"
 ReferenceTests = "324d217c-45ce-50fc-942e-d289b448e8cf"
 SafeTestsets = "1bc83da4-3b8d-516f-aca4-4fe02f6d838f"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Aqua", "GLMakie", "JLD2", "ReferenceTests", "SafeTestsets", "Test"]
+test = ["Aqua", "CairoMakie", "GLMakie", "JLD2", "ReferenceTests", "SafeTestsets", "Test"]

src/axis.jl

@@ -1,5 +1,5 @@
 function draw_triangle_base!(tr::TernaryAxis)
-    lines!(tr, [Point2(r1...), Point2(r2...), Point2(r3...), Point2(r1...)], color = :black)
+    lines!(tr, [Point2f(r1...), Point2f(r2...), Point2f(r3...), Point2f(r1...)], color = :black)
 end
 
 function draw_triangle_vertex_labels!(tr::TernaryAxis)
@@ -43,7 +43,7 @@ function draw_triangle_axis_labels!(tr::TernaryAxis)
     x1 = x0 - sqrt(3) * (y1 - y0)
     isnothing(tr.labelz_arrow[]) || text!(
         tr,
-        Point2(x1, y1);
+        Point2f(x1, y1);
         text = tr.labelz_arrow[],
         align = (:center, :center),
         rotation = π / 3 * arrow_label_rot_adj, # sometimes this is not aligned
@@ -60,7 +60,7 @@ function draw_triangle_axis_labels!(tr::TernaryAxis)
     x1 = x0 + sqrt(3) * (y1 - y0)
     isnothing(tr.labely_arrow[]) || text!(
         tr,
-        Point2(x1, y1);
+        Point2f(x1, y1);
         text = tr.labely_arrow[],
         align = (:center, :center),
         rotation = -π / 3 * arrow_label_rot_adj,
@@ -83,7 +83,7 @@ function draw_triangle_axis_labels!(tr::TernaryAxis)
     y1 = y0 - y_adj
     isnothing(tr.labelx_arrow[]) || text!(
         tr,
-        Point2(x1, y1);
+        Point2f(x1, y1);
         text = tr.labelx_arrow[],
         align = (:center, :center),
         fontsize = tr.arrow_label_fontsize[] * !tr.hide_triangle_labels[],
@@ -106,8 +106,8 @@ function draw_grid!(tr::TernaryAxis)
         vec1 = [f1, f2, 0]
         vec2 = [f1, 0, f2]
 
-        x1 = Point2((R*vec1)[2:3]...)
-        x2 = Point2((R*vec2)[2:3]...)
+        x1 = Point2f((R*vec1)[2:3]...)
+        x2 = Point2f((R*vec2)[2:3]...)
 
         lines!(tr, [x1, x2], linewidth = grid_line_width, color = grid_line_color)
 
@@ -128,8 +128,8 @@ function draw_grid!(tr::TernaryAxis)
         vec1 = [0, f2, f1]
         vec2 = [f1, f2, 0]
 
-        x1 = Point2((R*vec1)[2:3]...)
-        x2 = Point2((R*vec2)[2:3]...)
+        x1 = Point2f((R*vec1)[2:3]...)
+        x2 = Point2f((R*vec2)[2:3]...)
 
         lines!(tr, [x1, x2], linewidth = grid_line_width, color = grid_line_color)
 
@@ -150,8 +150,8 @@ function draw_grid!(tr::TernaryAxis)
         vec1 = [f2, 0, f1]
         vec2 = [0, f2, f1]
 
-        x1 = Point2((R*vec1)[2:3]...)
-        x2 = Point2((R*vec2)[2:3]...)
+        x1 = Point2f((R*vec1)[2:3]...)
+        x2 = Point2f((R*vec2)[2:3]...)
 
         lines!(tr, [x1, x2], linewidth = grid_line_width, color = grid_line_color)
 

src/scatter.jl

@@ -1,13 +1,13 @@
 function Makie.plot!(tr::TernaryScatter)
 
     # create observables
-    dpoints = Observable(Point2[])
+    dpoints = Observable(Point2f[])
 
     function update_plot(xs, ys, zs)
         empty!(dpoints[])
         for (x, y, z) in zip(xs, ys, zs)
             carts = R * [x, y, z]
-            push!(dpoints[], Point2(carts[2], carts[3]))
+            push!(dpoints[], Point2f(carts[2], carts[3]))
         end
     end
 

test/issues.jl

@@ -0,0 +1,12 @@
+#This testset checks that reported issues have been resolved; prevents regressions.
+
+#https://github.com/stelmo/TernaryDiagrams.jl/issues/22
+using CairoMakie
+using TernaryDiagrams
+@test_nowarn begin         
+        fig = Figure()
+        ax = Axis(fig[1, 1])
+        ternaryaxis!(ax)
+        ternaryscatter!(ax, [0.2, 0.1], [0.2, 0.6], [0.6, 0.3])
+        fig
+    end

test/referencetests.jl

@@ -1,5 +1,4 @@
 using GLMakie
-#using ColorSchemes
 using TernaryDiagrams
 using JLD2
 using ReferenceTests
@@ -10,42 +9,55 @@ a2 = a2[1:20]
 a3 = a3[1:20]
 mus = mus[1:20]
 
+#ReferenceTests.jl doesn't deal directly with the output of colorbuffer; this helper function 
+#converts the PermutedDimsArray returned by Makie.colorbuffer into a regular Array that 
+#ReferenceTests.jl can deal with. 
+function colorbuffer_array(fig)
+    arr = colorbuffer(fig, px_per_unit = 2)
+    arr2 = zeros(eltype(arr), size(arr))
+    arr2 .= arr
+    return arr2
+end
+
 function testimage_axis()
-    fig = Figure();
-    ax = Axis(fig[1, 1]);
+    fig = Figure(size = (900, 600))
+    ax = Axis(fig[1, 1])
 
     ternaryaxis!(
         ax;
         labelx = "a1",
         labely = "a2",
         labelz = "a3",
-        # more options available, check out attributes with ?ternaryaxis
     )
 
     xlims!(ax, -0.2, 1.2) # to center the triangle
     ylims!(ax, -0.3, 1.1) # to center the triangle
     hidedecorations!(ax) # to hide the axis decos
-    fig
+
+    arr = colorbuffer_array(fig)
+    return arr
 end
 
 function testimage_lines()  
-    fig = Figure();
-    ax = Axis(fig[1, 1]);
+    fig = Figure(size = (900, 600))
+    ax = Axis(fig[1, 1])
 
-    ternaryaxis!(ax);
+    ternaryaxis!(ax)
     ternarylines!(ax, a1, a2, a3; color = :blue)
 
     xlims!(ax, -0.2, 1.2)
     ylims!(ax, -0.3, 1.1)
     hidedecorations!(ax)
-    fig
+
+    arr = colorbuffer_array(fig)
+    return arr
 end
 
 function testimage_scatter()
-    fig = Figure();
-    ax = Axis(fig[1, 1]);
+    fig = Figure(size = (900, 600))
+    ax = Axis(fig[1, 1])
 
-    ternaryaxis!(ax);
+    ternaryaxis!(ax)
     ternaryscatter!(
         ax,
         a1,
@@ -59,12 +71,14 @@ function testimage_scatter()
     xlims!(ax, -0.2, 1.2)
     ylims!(ax, -0.3, 1.1)
     hidedecorations!(ax)
-    fig
+
+    arr = colorbuffer_array(fig)
+    return arr
 end
 
 function testimage_contour()
-    fig = Figure();
-    ax = Axis(fig[1, 1]);
+    fig = Figure(size = (900, 600))
+    ax = Axis(fig[1, 1])
 
     ternarycontour!(
         ax,
@@ -79,28 +93,32 @@ function testimage_contour()
         pad_data = true,
     )
 
-    ternaryaxis!(ax);
+    ternaryaxis!(ax)
 
     xlims!(ax, -0.2, 1.2)
     ylims!(ax, -0.3, 1.1)
     hidedecorations!(ax)
-    fig
+
+    arr = colorbuffer_array(fig)
+    return arr
 end
 
 function testimage_contourf()
-    fig = Figure();
-    ax = Axis(fig[1, 1]);
+    fig = Figure(size = (900, 600))
+    ax = Axis(fig[1, 1])
     ternarycontourf!(ax, a1, a2, a3, mus; levels = 10)
-    ternaryaxis!(ax);
+    ternaryaxis!(ax)
     xlims!(ax, -0.2, 1.2)
     ylims!(ax, -0.3, 1.1)
     hidedecorations!(ax)
-    fig
+
+    arr = colorbuffer_array(fig)
+    return arr
 end
 
 function testimage_temp()    
-    fig = Figure();
-    ax = Axis(fig[1, 1]);
+    fig = Figure(size = (900, 600))
+    ax = Axis(fig[1, 1])
 
     ternarycontourf!(
         ax,
@@ -135,13 +153,14 @@ function testimage_temp()
         markersize = 10,
     )
 
-    ternaryaxis!(ax);
+    ternaryaxis!(ax)
 
     xlims!(ax, -0.2, 1.2)
     ylims!(ax, -0.3, 1.1)
     hidedecorations!(ax)
-    fig
 
+    arr = colorbuffer_array(fig)
+    return arr
 end
 
 @test_reference "../figs/axis.png" testimage_axis()

test/runtests.jl

@@ -3,5 +3,6 @@ using Test
 
 @testset "TernaryDiagrams" begin
     @safetestset "Aqua" include("aqua.jl")
+    @safetestset "Issue check" include("issues.jl")
     @safetestset "ReferenceTests" include("referencetests.jl")
 end