From 3b082f88d16d3e574581a118082c6ce6dfb57a58 Mon Sep 17 00:00:00 2001
From: Simon Christ <SimonChrist@gmx.de>
Date: Sat, 26 Sep 2020 21:31:52 +0200
Subject: [PATCH] add a dimensionalty check

---
 src/backends/pgfplotsx.jl | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/backends/pgfplotsx.jl b/src/backends/pgfplotsx.jl
index 3c3b775c..bf469525 100644
--- a/src/backends/pgfplotsx.jl
+++ b/src/backends/pgfplotsx.jl
@@ -72,8 +72,11 @@ function surface_to_vecs(x::AVec, y::AVec, s::Union{AMat,Surface})
     yn = Vector{eltype(y)}(undef, length(a))
     zn = Vector{eltype(s)}(undef, length(a))
     for (n, (i, j)) in enumerate(Tuple.(CartesianIndices(a)))
-        xn[n] = x[i]
-        yn[n] = y[j]
+        if length(x) == size(s)[1]
+            i, j = j, i
+        end
+        xn[n] = x[j]
+        yn[n] = y[i]
         zn[n] = a[i, j]
     end
     return xn, yn, zn