From bd70951afa7d9ce4da2c5128ae00e94fe1bef429 Mon Sep 17 00:00:00 2001
From: t-bltg <13423344+t-bltg@users.noreply.github.com>
Date: Tue, 3 Aug 2021 17:19:09 +0200
Subject: [PATCH] Gaston: flip y for :image series

---
 src/backends/gaston.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backends/gaston.jl b/src/backends/gaston.jl
index f2246a43..9c2bc2a2 100644
--- a/src/backends/gaston.jl
+++ b/src/backends/gaston.jl
@@ -211,7 +211,7 @@ function gaston_add_series(plt::Plot{GastonBackend}, series::Series)
         if z isa Surface
             z = z.surf
             if st == :image
-                z = Float32.(Gray.(z))
+                z = reverse(Float32.(Gray.(z)), dims=1)  # flip y axis
                 nr, nc = size(z)
                 lx = length(x)
                 if lx == 2 && lx != nr