1.16.2 [skip ci]

* set projection for 3dquivers

* fix test

Project.toml

@@ -1,7 +1,7 @@
 name = "Plots"
 uuid = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 author = ["Tom Breloff (@tbreloff)"]
-version = "1.16.1"
+version = "1.16.2"
 
 [deps]
 Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"

src/pipeline.jl

@@ -313,7 +313,7 @@ function _prepare_subplot(plt::Plot{T}, plotattributes::AKW) where {T}
     st = _override_seriestype_check(plotattributes, st)
 
     # change to a 3d projection for this subplot?
-    if RecipesPipeline.needs_3d_axes(st)
+    if RecipesPipeline.needs_3d_axes(st) || (st == :quiver && plotattributes[:z] !== nothing)
         sp.attr[:projection] = "3d"
     end
 
@@ -329,7 +329,7 @@ function _override_seriestype_check(plotattributes::AKW, st::Symbol)
     # do we want to override the series type?
     if !RecipesPipeline.is3d(st) && !(st in (:contour, :contour3d, :quiver))
         z = plotattributes[:z]
-        if !isa(z, Nothing) &&
+        if z !== nothing &&
            (size(plotattributes[:x]) == size(plotattributes[:y]) == size(z))
             st = (st == :scatter ? :scatter3d : :path3d)
             plotattributes[:seriestype] = st

test/test_axes.jl

@@ -36,3 +36,8 @@ end
     pl = plot(1:5, xlims=:symmetric, widen = false)
     @test Plots.xlims(pl) == (-5, 5)
 end
+
+@testset "3D Axis" begin
+    ql = quiver([1, 2], [2, 1], [3, 4], quiver = ([1, -1], [0, 0], [1, -0.5]), arrow=true)
+    @test ql[1][:projection] == "3d"
+end