From 3b8c364ff4230cbfd781094604fc0ebfb1ff8c5c Mon Sep 17 00:00:00 2001
From: Simon Kelly <skelly@dimagi.com>
Date: Fri, 21 Jun 2013 14:59:42 +0200
Subject: [PATCH] expose x-axis group spacing in multibar

---
 src/models/multiBar.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/models/multiBar.js b/src/models/multiBar.js
index ddd5bfe..1804080 100644
--- a/src/models/multiBar.js
+++ b/src/models/multiBar.js
@@ -24,6 +24,7 @@ nv.models.multiBar = function() {
     , drawTime = 500
     , xDomain
     , yDomain
+    , groupSpacing = 0.1
     , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
     ;
 
@@ -105,7 +106,7 @@ nv.models.multiBar = function() {
             });
 
       x   .domain(d3.merge(seriesData).map(function(d) { return d.x }))
-          .rangeBands([0, availableWidth], .1);
+          .rangeBands([0, availableWidth], groupSpacing);
 
       //y   .domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) { return d.y + (stacked ? d.y1 : 0) }).concat(forceY)))
       y   .domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) { return stacked ? (d.y > 0 ? d.y1 : d.y1 + d.y ) : d.y }).concat(forceY)))
@@ -435,6 +436,12 @@ nv.models.multiBar = function() {
     return chart;
   };
 
+  chart.groupSpacing = function(_) {
+    if (!arguments.length) return groupSpacing;
+    groupSpacing = _;
+    return chart;
+  };
+
   //============================================================