reformat links

Author: aashishpanta0

hands-on/session III/3.Tutorial_PetascaleAnalysis.ipynb

@@ -97,6 +97,18 @@
     "You can select any of these fields for analysis by referencing their corresponding URLs defined in the next cell."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "366faba5",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Set your variable of interest\n",
+    "\n",
+    "variable='salt' # options are: u,v,w,salt,theta"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -111,15 +123,15 @@
     "# These variables point to IDX-formatted datasets hosted on  OSDF\n",
     "# Each URL provides access to a different physical variable from the LLC2160 ocean simulation\n",
     "\n",
-    "eastwest_ocean_velocity_u = \"https://nsdf-climate3-origin.nationalresearchplatform.org:50098/nasa/nsdf/climate3/dyamond/mit_output/llc2160_arco/visus.idx\"\n",
-    "\n",
-    "northsouth_ocean_velocity_v = \"https://nsdf-climate3-origin.nationalresearchplatform.org:50098/nasa/nsdf/climate3/dyamond/mit_output//llc2160_v/v_llc2160_x_y_depth.idx\"\n",
-    "\n",
-    "vertical_velocity_w = \"https://nsdf-climate3-origin.nationalresearchplatform.org:50098/nasa/nsdf/climate3/dyamond/mit_output/llc2160_w/llc2160_w.idx\"\n",
-    "\n",
-    "temperature_theta = \"https://nsdf-climate3-origin.nationalresearchplatform.org:50098/nasa/nsdf/climate3/dyamond/mit_output//llc2160_theta/llc2160_theta.idx\"\n",
-    "\n",
-    "Salinity_salt = \"https://nsdf-climate3-origin.nationalresearchplatform.org:50098/nasa/nsdf/climate3/dyamond/mit_output/llc2160_salt/salt_llc2160_x_y_depth.idx\"\n",
+    "base_url= \"https://nsdf-climate3-origin.nationalresearchplatform.org:50098/nasa/nsdf/climate3/dyamond/\"\n",
+    "if variable==\"theta\" or variable==\"w\":\n",
+    "    base_dir=f\"mit_output/llc2160_{variable}/llc2160_{variable}.idx\"\n",
+    "elif variable==\"u\":\n",
+    "    base_dir= \"mit_output/llc2160_arco/visus.idx\"\n",
+    "else:\n",
+    "    base_dir=f\"mit_output/llc2160_{variable}/{variable}_llc2160_x_y_depth.idx\"\n",
+    "    \n",
+    "field= base_url+base_dir\n",
     "\n",
     "print(\"Step 1b done: Defined dataset URLs for u, v, w velocity components, temperature, and salinity.\")\n"
    ]
@@ -165,7 +177,7 @@
     "# Step 2: Load dataset metadata for salinity and print key attributes\n",
     "\n",
     "# Load metadata for the salinity dataset\n",
-    "db = LoadDataset(Salinity_salt)\n",
+    "db = LoadDataset(field)\n",
     "\n",
     "# Retrieve dimensions from the dataset's logic box: (depth, longitude, latitude)\n",
     "depth_levels     = db.getLogicBox()[1][0]\n",