From 44d1cdc2b2d31466c0c9efa943638dfdd4775974 Mon Sep 17 00:00:00 2001
From: Thomas Breloff <tom@breloff.com>
Date: Wed, 11 May 2016 09:18:40 -0400
Subject: [PATCH] pgfplots aspect_ratio

---
 src/backends/pgfplots.jl | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/backends/pgfplots.jl b/src/backends/pgfplots.jl
index 3ba2bd36..a5591e03 100644
--- a/src/backends/pgfplots.jl
+++ b/src/backends/pgfplots.jl
@@ -2,6 +2,7 @@
 
 supportedArgs(::PGFPlotsBackend) = [
     # :annotation,
+    :aspect_ratio,
     # :axis,
      :background_color,
     # :color_palette,
@@ -339,11 +340,15 @@ function _pgfplots_get_axis_kwargs(d)
         axisargs[:ymax] = d[:ylims][2]
     end
     if d[:grid] == true
-        axisargs[:style] *= "grid = major"
+        axisargs[:style] *= "grid = major,"
     elseif d[:grid] == false
 
     end
 
+    if d[:aspect_ratio] == :equal || d[:aspect_ratio] == 1
+        axisargs[:axisEqual] = "true"
+    end
+
     if ((d[:legend] != :none) || (d[:legend] != :best)) && (d[:legend] in keys(_pgfplots_legend_pos))
         axisargs[:legendPos] = _pgfplots_legend_pos[d[:legend]]
     end