From 3d88c7a5ebd661e99e7943e01cf8426c135732f7 Mon Sep 17 00:00:00 2001
From: Robin Hu <robinfhu@gmail.com>
Date: Mon, 16 Dec 2013 22:25:26 -0500
Subject: [PATCH] Added a 'noErrorCheck' method to cumulativeLineChart

---
 nv.d3.js                          | 10 +++++++++-
 src/models/cumulativeLineChart.js | 10 +++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/nv.d3.js b/nv.d3.js
index 288e2bb..1169fd4 100644
--- a/nv.d3.js
+++ b/nv.d3.js
@@ -2520,6 +2520,7 @@ nv.models.cumulativeLineChart = function() {
     , average = function(d) { return d.average }
     , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState')
     , transitionDuration = 250
+    , noErrorCheck = false  //if set to TRUE, will bypass an error check in the indexify function.
     ;
 
   xAxis
@@ -3202,6 +3203,12 @@ nv.models.cumulativeLineChart = function() {
     return chart;
   };
 
+  chart.noErrorCheck = function(_) {
+    if (!arguments.length) return noErrorCheck;
+    noErrorCheck = _;
+    return chart;
+  };
+
   //============================================================
 
 
@@ -3218,8 +3225,9 @@ nv.models.cumulativeLineChart = function() {
       var v = lines.y()(line.values[idx], idx);
 
       //TODO: implement check below, and disable series if series loses 100% or more cause divide by 0 issue
-      if (v < -.95) {
+      if (v < -.95 && !noErrorCheck) {
         //if a series loses more than 100%, calculations fail.. anything close can cause major distortion (but is mathematically correct till it hits 100)
+
         line.tempDisabled = true;
         return line;
       }
diff --git a/src/models/cumulativeLineChart.js b/src/models/cumulativeLineChart.js
index 6e8b751..9273144 100644
--- a/src/models/cumulativeLineChart.js
+++ b/src/models/cumulativeLineChart.js
@@ -38,6 +38,7 @@ nv.models.cumulativeLineChart = function() {
     , average = function(d) { return d.average }
     , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState')
     , transitionDuration = 250
+    , noErrorCheck = false  //if set to TRUE, will bypass an error check in the indexify function.
     ;
 
   xAxis
@@ -720,6 +721,12 @@ nv.models.cumulativeLineChart = function() {
     return chart;
   };
 
+  chart.noErrorCheck = function(_) {
+    if (!arguments.length) return noErrorCheck;
+    noErrorCheck = _;
+    return chart;
+  };
+
   //============================================================
 
 
@@ -736,8 +743,9 @@ nv.models.cumulativeLineChart = function() {
       var v = lines.y()(line.values[idx], idx);
 
       //TODO: implement check below, and disable series if series loses 100% or more cause divide by 0 issue
-      if (v < -.95) {
+      if (v < -.95 && !noErrorCheck) {
         //if a series loses more than 100%, calculations fail.. anything close can cause major distortion (but is mathematically correct till it hits 100)
+
         line.tempDisabled = true;
         return line;
       }