From d6950a09765e2956013c87f63b532a64687a752b Mon Sep 17 00:00:00 2001
From: Nikhil <nikhil.k.mandlik@nasa.gov>
Date: Mon, 21 Oct 2019 10:27:52 -0700
Subject: [PATCH] Added listener that reacts to changes on interpolate + fetch
 data using correct strategy value. (#2469)

---
 src/plugins/plot/src/configuration/PlotSeries.js |  3 ++-
 src/plugins/plot/src/telemetry/PlotController.js | 12 +++++++++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/plugins/plot/src/configuration/PlotSeries.js b/src/plugins/plot/src/configuration/PlotSeries.js
index 9430d2a18e..cd208873f1 100644
--- a/src/plugins/plot/src/configuration/PlotSeries.js
+++ b/src/plugins/plot/src/configuration/PlotSeries.js
@@ -140,7 +140,8 @@ define([
          * @returns {Promise}
          */
         fetch: function (options) {
-            options = _.extend({}, {size: 1000, strategy: 'minmax', filters: this.filters}, options || {});
+            const strategy = options.shouldUseMinMax ? 'minMax' : undefined;           
+            options = _.extend({}, { size: 1000, strategy, filters: this.filters }, options || {});
             if (!this.unsubscribe) {
                 this.unsubscribe = this.openmct
                     .telemetry
diff --git a/src/plugins/plot/src/telemetry/PlotController.js b/src/plugins/plot/src/telemetry/PlotController.js
index f01792d65b..3d63718958 100644
--- a/src/plugins/plot/src/telemetry/PlotController.js
+++ b/src/plugins/plot/src/telemetry/PlotController.js
@@ -102,7 +102,8 @@ define([
         this.startLoading();
         var options = {
             size: this.$element[0].offsetWidth,
-            domain: this.config.xAxis.get('key')
+            domain: this.config.xAxis.get('key'),
+            shouldUseMinMax: this.shouldUseMinMax(series)
         };
 
         series.load(options)
@@ -133,6 +134,11 @@ define([
         this.listenTo(series, 'change:yKey', function () {
             this.loadSeriesData(series);
         }, this);
+
+        this.listenTo(series, 'change:interpolate', function () {
+            this.loadSeriesData(series);
+        }, this);
+        
         this.loadSeriesData(series);
     };
 
@@ -155,6 +161,10 @@ define([
         return config;
     };
 
+    PlotController.prototype.shouldUseMinMax = function (series) {
+        return series.model.interpolate !== 'none';
+    };
+
     PlotController.prototype.onTimeSystemChange = function (timeSystem) {
         this.config.xAxis.set('key', timeSystem.key);
     };