From ff6b46e9ff7827c409693b7ab61d72d8f17aef31 Mon Sep 17 00:00:00 2001
From: Ryan Cummins <ryan@zenmedia.co.uk>
Date: Fri, 12 Jun 2015 12:19:18 +0100
Subject: [PATCH] Updated svg block to be responsive

Added preserveAspectRatio and viewBox to the SVG element to allow for responsive changes.
---
 d3pie-source/_helpers.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/d3pie-source/_helpers.js b/d3pie-source/_helpers.js
index c0335ac..90de8bf 100644
--- a/d3pie-source/_helpers.js
+++ b/d3pie-source/_helpers.js
@@ -10,7 +10,9 @@ var helpers = {
 
 		var svg = d3.select(element).append("svg:svg")
 			.attr("width", canvasWidth)
-			.attr("height", canvasHeight);
+			.attr("height", canvasHeight)
+			.attr("preserveAspectRatio", "xMinYMin meet")
+			.attr("viewBox", "0 0 " + canvasWidth + " " + canvasHeight);
 
 		if (backgroundColor !== "transparent") {
 			svg.style("background-color", function() { return backgroundColor; });
@@ -326,4 +328,4 @@ var extend = function() {
 		}
 	}
 	return target;
-};
\ No newline at end of file
+};