Added incloud_access support for data structures tutorials

Author: andrewdelman

Tutorials_as_Jupyter_Notebooks/ECCO_v4_Coordinates_and_Dimensions_of_ECCOv4_NetCDF_files.ipynb

@@ -71,7 +71,7 @@
     "\n",
     "\n",
     "# set incloud_access = True if accessing ECCO datasets from an EC2 instance in the cloud, otherwise False\n",
-    "incloud_access = True\n",
+    "incloud_access = False\n",
     "\n",
     "\n",
     "warnings.filterwarnings('ignore')\n",
@@ -102,10 +102,12 @@
     "##    ecco_v4_py to the user's path if it is stored in the folder\n",
     "##    ECCOv4-py under the user's home directory\n",
     "\n",
-    "from os.path import join,expanduser\n",
+    "from os.path import expanduser,join,isdir\n",
+    "import sys\n",
     "user_home_dir = expanduser('~')\n",
-    "print(join(user_home_dir,'ECCOv4-py'))\n",
-    "sys.path.append(join(user_home_dir,'ECCOv4-py'))\n",
+    "ecco_v4_py_dir = join(user_home_dir,'ECCOv4-py')\n",
+    "if isdir(ecco_v4_py_dir):\n",
+    "    sys.path.append(ecco_v4_py_dir)\n",
     "import ecco_v4_py as ecco\n",
     "from ecco_v4_py import get_llc_grid as get_llc_grid\n",
     "from ecco_v4_py import plot_proj_to_latlon_grid\n",