From 17afa11723c3b7381242571214eac266ee3964d8 Mon Sep 17 00:00:00 2001
From: Thomas Breloff <tom@breloff.com>
Date: Fri, 9 Sep 2016 22:37:55 -0400
Subject: [PATCH] plotly_data for Surface; improve add_backend(:plotlyjs)

---
 src/backends/plotly.jl   | 1 +
 src/backends/plotlyjs.jl | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/backends/plotly.jl b/src/backends/plotly.jl
index 94cd1f9c..e8d2bbeb 100644
--- a/src/backends/plotly.jl
+++ b/src/backends/plotly.jl
@@ -338,6 +338,7 @@ function plotly_close_shapes(x, y)
 end
 
 plotly_data(v) = collect(v)
+plotly_data(surf::Surface) = surf.surf
 plotly_data{R<:Rational}(v::AbstractArray{R}) = float(v)
 
 # get a dictionary representing the series params (d is the Plots-dict, d_out is the Plotly-dict)
diff --git a/src/backends/plotlyjs.jl b/src/backends/plotlyjs.jl
index 6a8ed518..75631154 100644
--- a/src/backends/plotlyjs.jl
+++ b/src/backends/plotlyjs.jl
@@ -13,10 +13,12 @@ const _plotlyjs_scale       = _plotly_scale
 function add_backend(::PlotlyJSBackend)
     if !is_installed("PlotlyJS")
         Pkg.add("PlotlyJS")
-        @eval import Blink
-        Blink.AtomShell.install()
+    end
+    if !is_installed("Rsvg")
         Pkg.add("Rsvg")
     end
+    @eval import Blink
+    Blink.AtomShell.install()
 end