Merge pull request Esri#521 from Esri/chun7642/update_sample_natural_disaster_detect

updates to json spec change in NASA disaster feed

Author: CMPeng

samples/05_content_publishers/hey_gis_give_me_a_map_of_the_recent_natural_disasters.ipynb

@@ -7,6 +7,16 @@
     "# Hey GIS, Give me a map of the recent natural disasters"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "toc": true
+   },
+   "source": [
+    "<h1>Table of Contents<span class=\"tocSkip\"></span></h1>\n",
+    "<div class=\"toc\"><ul class=\"toc-item\"><li><span><a href=\"#Step-1.-Preparation\" data-toc-modified-id=\"Step-1.-Preparation-1\">Step 1. Preparation</a></span></li><li><span><a href=\"#Step-2.-Understanding-the-data-structure-of-EONET-Feed\" data-toc-modified-id=\"Step-2.-Understanding-the-data-structure-of-EONET-Feed-2\">Step 2. Understanding the data structure of EONET Feed</a></span><ul class=\"toc-item\"><li><span><a href=\"#Make-URLs-clickable\" data-toc-modified-id=\"Make-URLs-clickable-2.1\">Make URLs clickable</a></span></li></ul></li><li><span><a href=\"#Step-3.-Plot-the-features\" data-toc-modified-id=\"Step-3.-Plot-the-features-3\">Step 3. Plot the features</a></span></li><li><span><a href=\"#Step-4.-Creating-the-web-map\" data-toc-modified-id=\"Step-4.-Creating-the-web-map-4\">Step 4. Creating the web map</a></span></li><li><span><a href=\"#Step-5.-Explore-the-data-and-the-maps\" data-toc-modified-id=\"Step-5.-Explore-the-data-and-the-maps-5\">Step 5. Explore the data and the maps</a></span></li><li><span><a href=\"#Step-6.-Statistics-of-natural-disaster-occurrences\" data-toc-modified-id=\"Step-6.-Statistics-of-natural-disaster-occurrences-6\">Step 6. Statistics of natural disaster occurrences</a></span></li><li><span><a href=\"#Conclusion\" data-toc-modified-id=\"Conclusion-7\">Conclusion</a></span></li></ul></div>"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -1879,7 +1889,9 @@
    "source": [
     "The EONet takes liberty in varying the geometry type used to record events of the same type. Thus an Iceburg could be a point or a polygon. The cell below handles this uncertainity. It also picks an appropriate symbol for each geometry type.\n",
     "\n",
-    "The boolean variable `if_Changed`  is used to represent if the geometry of the features inside the FeatureSet has been changed during the parsing or execution process. A hint here: If you are interested to find out the details of each feature stored in the FeatureSet Class object, use `print(ea.get_value('title'), \" - \", ea.geometry_type, \" - \", ea.geometry)` to display information of each entry."
+    "The boolean variable `if_Changed`  is used to represent if the geometry of the features inside the FeatureSet has been changed during the parsing or execution process. A hint here: If you are interested to find out the details of each feature stored in the FeatureSet Class object, use `print(ea.get_value('title'), \" - \", ea.geometry_type, \" - \", ea.geometry)` to display information of each entry.\n",
+    "\n",
+    "Also note that, there are three kinds of representations for cyclones - namely, \"Cyclone\", \"Typhoon\", and \"Tropical Storm\". To determine if the disaster is of type cyclones, we need to confirm it falls within one of three categories."
    ]
   },
   {
@@ -1897,7 +1909,7 @@
     "    obj_id = ea.attributes['OBJECTID']\n",
     "    obj_type = ea.geometry_type\n",
     "    \n",
-    "    if \"Cyclone\" in title:\n",
+    "    if any(disaster_type in title for disaster_type in [\"Cyclone\", \"Typhoon\", \"Tropical Storm\"]):\n",
     "        df_sel = df[df['OBJECTID']==obj_id]\n",
     "        df_sel.spatial.plot(map_widget=map_g,\n",
     "                            name=title,\n",
@@ -1915,8 +1927,10 @@
     "                                symbol_style = style_volcano)\n",
     "        else: # Polygon\n",
     "            if not if_Changed and 'rings' in ea.geometry:\n",
-    "                tmp = ea.geometry['rings']\n",
-    "                ea.geometry['rings'] = tmp[0]\n",
+    "                if isinstance(ea.geometry['rings'], list) and not isinstance(ea.geometry['rings'][0], float):\n",
+    "                    ea.geometry['rings'] = ea.geometry['rings'][0]\n",
+    "                else:\n",
+    "                    ea.geometry['rings'] = ea.attributes['SHAPE']['rings'][0]\n",
     "                if_Changed = True\n",
     "            \n",
     "            df_sel = df[df['OBJECTID']==obj_id]\n",
@@ -2612,7 +2626,49 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.7"
+   "version": "3.6.8"
+  },
+  "toc": {
+   "base_numbering": 1,
+   "nav_menu": {},
+   "number_sections": false,
+   "sideBar": true,
+   "skip_h1_title": true,
+   "title_cell": "Table of Contents",
+   "title_sidebar": "Contents",
+   "toc_cell": true,
+   "toc_position": {},
+   "toc_section_display": true,
+   "toc_window_display": false
+  },
+  "varInspector": {
+   "cols": {
+    "lenName": 16,
+    "lenType": 16,
+    "lenVar": 40
+   },
+   "kernels_config": {
+    "python": {
+     "delete_cmd_postfix": "",
+     "delete_cmd_prefix": "del ",
+     "library": "var_list.py",
+     "varRefreshCmd": "print(var_dic_list())"
+    },
+    "r": {
+     "delete_cmd_postfix": ") ",
+     "delete_cmd_prefix": "rm(",
+     "library": "var_list.r",
+     "varRefreshCmd": "cat(var_dic_list()) "
+    }
+   },
+   "types_to_exclude": [
+    "module",
+    "function",
+    "builtin_function_or_method",
+    "instance",
+    "_Feature"
+   ],
+   "window_display": false
   }
  },
  "nbformat": 4,