From 91900c3e4bb7b10040af7239640667446b668f4f Mon Sep 17 00:00:00 2001
From: Robert <robes98@vt.edu>
Date: Tue, 30 Apr 2019 13:14:52 -0400
Subject: [PATCH] update Ben comments

---
 frontend/src/components/Csv_Formatter.vue |  9 +++++----
 frontend/src/components/Map.vue           | 13 ++++++++-----
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/frontend/src/components/Csv_Formatter.vue b/frontend/src/components/Csv_Formatter.vue
index 97c1727..c0a9005 100644
--- a/frontend/src/components/Csv_Formatter.vue
+++ b/frontend/src/components/Csv_Formatter.vue
@@ -23,10 +23,11 @@ export default {
         }
     },
     methods: {
-        //Create a single csv file with mutliple tables. This is technically not
-        //possible to do normally, so simply add rows to a single giant table that
-        //are either empty (to act like spacers), and have header information
-        //to signify start of new "table"
+        /*
+            CSV file format does not support writing to multiple
+            tabs (like a spredsheet can), for this reason one large
+            csv file is created with added rows as spacers.
+        */
         generateCsv(data, refinery_location) {
             var csv_index = 0;
 
diff --git a/frontend/src/components/Map.vue b/frontend/src/components/Map.vue
index dac9bff..7252118 100644
--- a/frontend/src/components/Map.vue
+++ b/frontend/src/components/Map.vue
@@ -250,11 +250,14 @@ export default {
 
         //Submit locations to background for optimization
         submitLocations() {
-            //This removes all the elements in the map that were deleted (became null)
-            //The array has to act like this because if we simply remove elements
-            //during deletion on the map, then all the references to each point will
-            //be off by 1 element. Instead, we make that element null when removed,
-            //and when we send to the backend, we create new arrays without the null elements.
+            /*
+                Because the backend code relies on the position of elements
+                added to the coordinate arrays, we cannot simply delete
+                entries because this would mess up the order. Therefore, 
+                we instead null the item that was deleted before submission
+                and then use this function to remove the null entries at 
+                the end to maintain proper ordering.
+            */
             var filteredFarm = this.farms.filter(function (el) {
                 return el != null;
             });