switch to osdf

Author: aashishpanta0

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

@@ -92,29 +92,11 @@
     "### Available LLC2160 Datasets in the Cloud\n",
     "\n",
     "The datasets listed below represent different physical fields from the LLC2160 global ocean simulation.  \n",
-    "Each dataset is over **200 TB** in size and is hosted on the cloud via **SealStorage** for scalable, on-demand access.\n",
+    "Each dataset is over **200 TB** in size and is hosted on the cloud via **OSDF** for scalable, on-demand access.\n",
     "\n",
     "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": "7e5ba72d",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "# Step 1b: Define variable of interest \n",
-    "\n",
-    "variable = 'salt' # options are u,v,w,theta,salt\n",
-    " \n",
-    " #u: East-West Ocean Velocity\n",
-    " #v: North-South Ocean Velocity\n",
-    " #w: Vertical Ocean Velocity\n",
-    " #theta: Ocean Temperature\n",
-    " #salt: Ocean Salinity"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -124,21 +106,21 @@
    },
    "outputs": [],
    "source": [
+    "# Step 1b: Define Cloud-Based LLC2160 Dataset URLs\n",
     "\n",
-    "# Cloud-Based LLC2160 Dataset URLs based on the variable above\n",
     "# 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",
-    "# DONOT TOUCH\n",
-    "base_url= \"https://maritime.sealstorage.io/api/v0/s3/utah/nasa/dyamond/\"\n",
-    "end_url=\"?access_key=any&secret_key=any&endpoint_url=https://maritime.sealstorage.io/api/v0/s3&cached=arco\"\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+end_url\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",
+    "\n",
     "print(\"Step 1b done: Defined dataset URLs for u, v, w velocity components, temperature, and salinity.\")\n"
    ]
   },
@@ -183,7 +165,7 @@
     "# Step 2: Load dataset metadata for salinity and print key attributes\n",
     "\n",
     "# Load metadata for the salinity dataset\n",
-    "db = LoadDataset(field)\n",
+    "db = LoadDataset(Salinity_salt)\n",
     "\n",
     "# Retrieve dimensions from the dataset's logic box: (depth, longitude, latitude)\n",
     "depth_levels     = db.getLogicBox()[1][0]\n",