Add note about direction types

Author: rhiever

optimal-road-trip/Computing the optimal road trip across the U.S..ipynb

@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:7359e5638b3227cc8b9d0e57a2da21b4184a594a25b9f90e68b412038ba80666"
+  "signature": "sha256:dfb64f9f4a0b2f9c06b891fa7f30835e43ab001d544752da71133a00114e5db8"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -193,7 +193,8 @@
       "    try:\n",
       "        route = gmaps.distance_matrix(origins=[waypoint1],\n",
       "                                      destinations=[waypoint2],\n",
-      "                                      mode=\"driving\",\n",
+      "                                      mode=\"driving\", # Change this to \"walking\" for walking directions,\n",
+      "                                                      # \"bicycling\" for biking directions, etc.\n",
       "                                      language=\"English\",\n",
       "                                      units=\"metric\")\n",
       "\n",

optimal-road-trip/OptimalRoadTripHtmlSaveAndDisplay.py

@@ -297,7 +297,8 @@ def run_genetic_algorithm(generations=5000, population_size=100):
         try:
             route = gmaps.distance_matrix(origins=[waypoint1],
                                           destinations=[waypoint2],
-                                          mode="driving",
+                                          mode="driving", # Change to "walking" for walking directions,
+                                                          # "bicycling" for biking directions, etc.
                                           language="English",
                                           units="metric")