From a54ff8a670a23db3f397b4d1aec72c854acd80ca Mon Sep 17 00:00:00 2001
From: Simon Christ <Simon.Christ@mpikg.mpg.de>
Date: Mon, 11 Nov 2019 18:51:54 +0100
Subject: [PATCH] a basic quiver plot

---
 src/backends.jl          | 4 +++-
 src/backends/pgfplots.jl | 6 +++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/backends.jl b/src/backends.jl
index 26f01c91..cbf14337 100644
--- a/src/backends.jl
+++ b/src/backends.jl
@@ -440,7 +440,9 @@ const _pgfplots_attr = merge_with_base_supported([
     :grid, :legend,
     :colorbar, :colorbar_title,
     :fill_z, :line_z, :marker_z, :levels,
-    # :ribbon, :quiver, :arrow,
+    # :ribbon,
+    :quiver,
+    :arrow,
     # :orientation,
     # :overwrite_figure,
     :polar,
diff --git a/src/backends/pgfplots.jl b/src/backends/pgfplots.jl
index 2893fd65..bde2718f 100644
--- a/src/backends/pgfplots.jl
+++ b/src/backends/pgfplots.jl
@@ -200,7 +200,11 @@ function pgf_series(sp::Subplot, series::Series)
             PGFPlots.Contour
         end
         push!(series_collection, func(args...; kw...))
-
+    elseif series[:arrow] isa Arrow
+        u, v = series[:quiver]
+        x = series[:x][2:4:end]
+        y = series[:y][2:4:end]
+        push!( series_collection, PGFPlots.Quiver(x,y,u,v, style="-stealth'") )
     else
         # series segments
         segments = iter_segments(series)