lab_jupyter_launch_site_location.ipynb

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   "cell_type": "markdown",
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     "start_time": "2020-09-19T06:26:55.679408",
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    "tags": []
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   "source": [
    "<p style=\"text-align:center\">\n",
    "    <a href=\"https://skills.network/?utm_medium=Exinfluencer&utm_source=Exinfluencer&utm_content=000026UJ&utm_term=10006555&utm_id=NA-SkillsNetwork-Channel-SkillsNetworkCoursesIBMDS0321ENSkillsNetwork865-2023-01-01\">\n",
    "    <img src=\"https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/assets/logos/SN_web_lightmode.png\" width=\"200\" alt=\"Skills Network Logo\"  />\n",
    "    </a>\n",
    "</p>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# **Launch Sites Locations Analysis with Folium**\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Estimated time needed: **40** minutes\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The launch success rate may depend on many factors such as payload mass, orbit type, and so on. It may also depend on the location and proximities of a launch site, i.e., the initial position of rocket trajectories. Finding an optimal location for building a launch site certainly involves many factors and hopefully we could discover some of the factors by analyzing the existing launch site locations.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "In the previous exploratory data analysis labs, you have visualized the SpaceX launch dataset using `matplotlib` and `seaborn` and discovered some preliminary correlations between the launch site and success rates. In this lab, you will be performing more interactive visual analytics using `Folium`.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Objectives\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "This lab contains the following tasks:\n",
    "- **TASK 1:** Mark all launch sites on a map\n",
    "- **TASK 2:** Mark the success/failed launches for each site on the map\n",
    "- **TASK 3:** Calculate the distances between a launch site to its proximities\n",
    "\n",
    "After completed the above tasks, you should be able to find some geographical patterns about launch sites.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Let's first import required Python packages for this lab:\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Collecting folium\n",
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      "     ------------------------------------- 102.3/102.3 kB 72.7 kB/s eta 0:00:00\n",
      "Collecting branca>=0.6.0 (from folium)\n",
      "  Downloading branca-0.6.0-py3-none-any.whl (24 kB)\n",
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      "Installing collected packages: branca, folium\n",
      "Successfully installed branca-0.6.0 folium-0.14.0\n",
      "Collecting wget\n",
      "  Downloading wget-3.2.zip (10 kB)\n",
      "  Installing build dependencies: started\n",
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      "  Preparing metadata (pyproject.toml): started\n",
      "  Preparing metadata (pyproject.toml): finished with status 'done'\n",
      "Building wheels for collected packages: wget\n",
      "  Building wheel for wget (pyproject.toml): started\n",
      "  Building wheel for wget (pyproject.toml): finished with status 'done'\n",
      "  Created wheel for wget: filename=wget-3.2-py3-none-any.whl size=9681 sha256=290b4a2b9170dd60ec9a49894bab45a93d5b7cc75ad65b77a274871d0ed92400\n",
      "  Stored in directory: c:\\users\\kasra tehrani\\appdata\\local\\pip\\cache\\wheels\\40\\b3\\0f\\a40dbd1c6861731779f62cc4babcb234387e11d697df70ee97\n",
      "Successfully built wget\n",
      "Installing collected packages: wget\n",
      "Successfully installed wget-3.2\n"
     ]
    }
   ],
   "source": [
    "!pip3 install folium\n",
    "!pip3 install wget"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "import folium # Folium is a powerful Python library that helps you create several types of Leaflet maps\n",
    "import wget # Wget is a convenient solution for downloading files over HTTP and FTP protocols.\n",
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Import folium MarkerCluster plugin\n",
    "from folium.plugins import MarkerCluster\n",
    "# Import folium MousePosition plugin\n",
    "from folium.plugins import MousePosition\n",
    "# Import folium DivIcon plugin\n",
    "from folium.features import DivIcon"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "If you need to refresh your memory about folium, you may download and refer to this previous folium lab:\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "[Generating Maps with Python](https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBM-DS0321EN-SkillsNetwork/labs/module_3/DV0101EN-3-5-1-Generating-Maps-in-Python-py-v2.0.ipynb)\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Task 1: Mark all launch sites on a map\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "First, let's try to add each site's location on a map using site's latitude and longitude coordinates\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The following dataset with the name `spacex_launch_geo.csv` is an augmented dataset with latitude and longitude added for each site. \n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "100% [................................................................................] 7710 / 7710"
     ]
    }
   ],
   "source": [
    "# Download and read the `spacex_launch_geo.csv`\n",
    "spacex_csv_file = wget.download('https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBM-DS0321EN-SkillsNetwork/datasets/spacex_launch_geo.csv')\n",
    "spacex_df=pd.read_csv(spacex_csv_file)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Now, you can take a look at what are the coordinates for each site.\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
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       "      <td>28.573255</td>\n",
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       "    Launch Site        Lat        Long\n",
       "0   CCAFS LC-40  28.562302  -80.577356\n",
       "1  CCAFS SLC-40  28.563197  -80.576820\n",
       "2    KSC LC-39A  28.573255  -80.646895\n",
       "3   VAFB SLC-4E  34.632834 -120.610745"
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     "execution_count": 15,
     "metadata": {},
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    }
   ],
   "source": [
    "# Select relevant sub-columns: `Launch Site`, `Lat(Latitude)`, `Long(Longitude)`, `class`\n",
    "spacex_df = spacex_df[['Launch Site', 'Lat', 'Long', 'class']]\n",
    "launch_sites_df = spacex_df.groupby(['Launch Site'], as_index=False).first()\n",
    "launch_sites_df = launch_sites_df[['Launch Site', 'Lat', 'Long']]\n",
    "launch_sites_df"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Above coordinates are just plain numbers that can not give you any intuitive insights about where are those launch sites. If you are very good at geography, you can interpret those numbers directly in your mind. If not, that's fine too. Let's visualize those locations by pinning them on a map.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "We first need to create a folium `Map` object, with an initial center location to be NASA Johnson Space Center at Houston, Texas.\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Start location is NASA Johnson Space Center\n",
    "nasa_coordinate = [29.559684888503615, -95.0830971930759]\n",
    "site_map = folium.Map(location=nasa_coordinate, zoom_start=10)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "We could use `folium.Circle` to add a highlighted circle area with a text label on a specific coordinate. For example, \n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 89,
   "metadata": {},
   "outputs": [
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       "\n",
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       "                [29.559684888503615, -95.0830971930759],\n",
       "                {}\n",
       "            ).addTo(map_86f546a896fe0bdfe79efc3e0d4c9d32);\n",
       "        \n",
       "    \n",
       "            var div_icon_d3f9044810c02f26015ed4d6e21beeed = L.divIcon({&quot;className&quot;: &quot;empty&quot;, &quot;html&quot;: &quot;\\u003cdiv style=\\&quot;font-size: 12; color:#d35400;\\&quot;\\u003e\\u003cb\\u003eNASA JSC\\u003c/b\\u003e\\u003c/div\\u003e&quot;, &quot;iconAnchor&quot;: [0, 0], &quot;iconSize&quot;: [20, 20]});\n",
       "            marker_f41c8991d0622ea79acbed05d06efb8f.setIcon(div_icon_d3f9044810c02f26015ed4d6e21beeed);\n",
       "        \n",
       "&lt;/script&gt;\n",
       "&lt;/html&gt;\" style=\"position:absolute;width:100%;height:100%;left:0;top:0;border:none !important;\" allowfullscreen webkitallowfullscreen mozallowfullscreen></iframe></div></div>"
      ],
      "text/plain": [
       "<folium.folium.Map at 0x29996e8a210>"
      ]
     },
     "execution_count": 89,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Create a blue circle at NASA Johnson Space Center's coordinate with a popup label showing its name\n",
    "circle = folium.Circle(nasa_coordinate, radius=1000, color='#d35400', fill=True).add_child(folium.Popup('NASA Johnson Space Center'))\n",
    "# Create a blue circle at NASA Johnson Space Center's coordinate with a icon showing its name\n",
    "marker = folium.map.Marker(\n",
    "    nasa_coordinate,\n",
    "    # Create an icon as a text label\n",
    "    icon=DivIcon(\n",
    "        icon_size=(20,20),\n",
    "        icon_anchor=(0,0),\n",
    "        html='<div style=\"font-size: 12; color:#d35400;\"><b>%s</b></div>' % 'NASA JSC',\n",
    "        )\n",
    "    )\n",
    "loc = 'SpaceX by Kasra Tehrani'\n",
    "title_html = '''\n",
    "             <h3 align=\"center\" style=\"font-size:16px\"><b>{}</b></h3>\n",
    "             '''.format(loc)   \n",
    "\n",
    "site_map = folium.Map(location=[29.559684888503615, -95.0830971930759],\n",
    "               zoom_start=12)\n",
    "\n",
    "site_map.get_root().html.add_child(folium.Element(title_html))\n",
    "\n",
    "site_map.save('map-with-title.html')\n",
    "\n",
    "site_map.add_child(circle)\n",
    "site_map.add_child(marker)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "and you should find a small yellow circle near the city of Houston and you can zoom-in to see a larger circle. \n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Now, let's add a circle for each launch site in data frame `launch_sites`\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "_TODO:_  Create and add `folium.Circle` and `folium.Marker` for each launch site on the site map\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "An example of folium.Circle:\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`folium.Circle(coordinate, radius=1000, color='#000000', fill=True).add_child(folium.Popup(...))`\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "An example of folium.Marker:\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "`folium.map.Marker(coordinate, icon=DivIcon(icon_size=(20,20),icon_anchor=(0,0), html='<div style=\"font-size: 12; color:#d35400;\"><b>%s</b></div>' % 'label', ))`\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 91,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div style=\"width:100%;\"><div style=\"position:relative;width:100%;height:0;padding-bottom:60%;\"><span style=\"color:#565656\">Make this Notebook Trusted to load map: File -> Trust Notebook</span><iframe srcdoc=\"&lt;!DOCTYPE html&gt;\n",
       "&lt;html&gt;\n",
       "&lt;head&gt;\n",
       "    \n",
       "    &lt;meta http-equiv=&quot;content-type&quot; content=&quot;text/html; charset=UTF-8&quot; /&gt;\n",
       "    \n",
       "        &lt;script&gt;\n",
       "            L_NO_TOUCH = false;\n",
       "            L_DISABLE_3D = false;\n",
       "        &lt;/script&gt;\n",
       "    \n",
       "    &lt;style&gt;html, body {width: 100%;height: 100%;margin: 0;padding: 0;}&lt;/style&gt;\n",
       "    &lt;style&gt;#map {position:absolute;top:0;bottom:0;right:0;left:0;}&lt;/style&gt;\n",
       "    &lt;script src=&quot;https://cdn.jsdelivr.net/npm/leaflet@1.9.3/dist/leaflet.js&quot;&gt;&lt;/script&gt;\n",
       "    &lt;script src=&quot;https://code.jquery.com/jquery-1.12.4.min.js&quot;&gt;&lt;/script&gt;\n",
       "    &lt;script src=&quot;https://cdn.jsdelivr.net/npm/bootstrap@5.2.2/dist/js/bootstrap.bundle.min.js&quot;&gt;&lt;/script&gt;\n",
       "    &lt;script src=&quot;https://cdnjs.cloudflare.com/ajax/libs/Leaflet.awesome-markers/2.0.2/leaflet.awesome-markers.js&quot;&gt;&lt;/script&gt;\n",
       "    &lt;link rel=&quot;stylesheet&quot; href=&quot;https://cdn.jsdelivr.net/npm/leaflet@1.9.3/dist/leaflet.css&quot;/&gt;\n",
       "    &lt;link rel=&quot;stylesheet&quot; href=&quot;https://cdn.jsdelivr.net/npm/bootstrap@5.2.2/dist/css/bootstrap.min.css&quot;/&gt;\n",
       "    &lt;link rel=&quot;stylesheet&quot; href=&quot;https://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css&quot;/&gt;\n",
       "    &lt;link rel=&quot;stylesheet&quot; href=&quot;https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.2.0/css/all.min.css&quot;/&gt;\n",
       "    &lt;link rel=&quot;stylesheet&quot; href=&quot;https://cdnjs.cloudflare.com/ajax/libs/Leaflet.awesome-markers/2.0.2/leaflet.awesome-markers.css&quot;/&gt;\n",
       "    &lt;link rel=&quot;stylesheet&quot; href=&quot;https://cdn.jsdelivr.net/gh/python-visualization/folium/folium/templates/leaflet.awesome.rotate.min.css&quot;/&gt;\n",
       "    \n",
       "            &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width,\n",
       "                initial-scale=1.0, maximum-scale=1.0, user-scalable=no&quot; /&gt;\n",
       "            &lt;style&gt;\n",
       "                #map_6228e2385f3a8e342a71268ca62f0dec {\n",
       "                    position: relative;\n",
       "                    width: 100.0%;\n",
       "                    height: 100.0%;\n",
       "                    left: 0.0%;\n",
       "                    top: 0.0%;\n",
       "                }\n",
       "                .leaflet-container { font-size: 1rem; }\n",
       "            &lt;/style&gt;\n",
       "        \n",
       "&lt;/head&gt;\n",
       "&lt;body&gt;\n",
       "    \n",
       "    \n",
       "             &lt;h3 align=&quot;center&quot; style=&quot;font-size:16px&quot;&gt;&lt;b&gt;SpaceX by Kasra Tehrani&lt;/b&gt;&lt;/h3&gt;\n",
       "             \n",
       "    \n",
       "            &lt;div class=&quot;folium-map&quot; id=&quot;map_6228e2385f3a8e342a71268ca62f0dec&quot; &gt;&lt;/div&gt;\n",
       "        \n",
       "&lt;/body&gt;\n",
       "&lt;script&gt;\n",
       "    \n",
       "    \n",
       "            var map_6228e2385f3a8e342a71268ca62f0dec = L.map(\n",
       "                &quot;map_6228e2385f3a8e342a71268ca62f0dec&quot;,\n",
       "                {\n",
       "                    center: [29.559684888503615, -95.0830971930759],\n",
       "                    crs: L.CRS.EPSG3857,\n",
       "                    zoom: 5,\n",
       "                    zoomControl: true,\n",
       "                    preferCanvas: false,\n",
       "                }\n",
       "            );\n",
       "\n",
       "            \n",
       "\n",
       "        \n",
       "    \n",
       "            var tile_layer_5d0a1844b25c38bd60e8fa1305980ec4 = L.tileLayer(\n",
       "                &quot;https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png&quot;,\n",
       "                {&quot;attribution&quot;: &quot;Data by \\u0026copy; \\u003ca target=\\&quot;_blank\\&quot; href=\\&quot;http://openstreetmap.org\\&quot;\\u003eOpenStreetMap\\u003c/a\\u003e, under \\u003ca target=\\&quot;_blank\\&quot; href=\\&quot;http://www.openstreetmap.org/copyright\\&quot;\\u003eODbL\\u003c/a\\u003e.&quot;, &quot;detectRetina&quot;: false, &quot;maxNativeZoom&quot;: 18, &quot;maxZoom&quot;: 18, &quot;minZoom&quot;: 0, &quot;noWrap&quot;: false, &quot;opacity&quot;: 1, &quot;subdomains&quot;: &quot;abc&quot;, &quot;tms&quot;: false}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "            var circle_c2be464fb2a4eabe47405f79c5060d3a = L.circle(\n",
       "                [29.559684888503615, -95.0830971930759],\n",
       "                {&quot;bubblingMouseEvents&quot;: true, &quot;color&quot;: &quot;#d35400&quot;, &quot;dashArray&quot;: null, &quot;dashOffset&quot;: null, &quot;fill&quot;: true, &quot;fillColor&quot;: &quot;#d35400&quot;, &quot;fillOpacity&quot;: 0.2, &quot;fillRule&quot;: &quot;evenodd&quot;, &quot;lineCap&quot;: &quot;round&quot;, &quot;lineJoin&quot;: &quot;round&quot;, &quot;opacity&quot;: 1.0, &quot;radius&quot;: 1000, &quot;stroke&quot;: true, &quot;weight&quot;: 3}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "        var popup_ceadac1df93b3bf5a4632fc50042a386 = L.popup({&quot;maxWidth&quot;: &quot;100%&quot;});\n",
       "\n",
       "        \n",
       "            \n",
       "                var html_138e1e4452f4c6129ef38807ad032a53 = $(`&lt;div id=&quot;html_138e1e4452f4c6129ef38807ad032a53&quot; style=&quot;width: 100.0%; height: 100.0%;&quot;&gt;NASA Johnson Space Center&lt;/div&gt;`)[0];\n",
       "                popup_ceadac1df93b3bf5a4632fc50042a386.setContent(html_138e1e4452f4c6129ef38807ad032a53);\n",
       "            \n",
       "        \n",
       "\n",
       "        circle_c2be464fb2a4eabe47405f79c5060d3a.bindPopup(popup_ceadac1df93b3bf5a4632fc50042a386)\n",
       "        ;\n",
       "\n",
       "        \n",
       "    \n",
       "    \n",
       "            var marker_f41c8991d0622ea79acbed05d06efb8f = L.marker(\n",
       "                [29.559684888503615, -95.0830971930759],\n",
       "                {}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "            var div_icon_d3f9044810c02f26015ed4d6e21beeed = L.divIcon({&quot;className&quot;: &quot;empty&quot;, &quot;html&quot;: &quot;\\u003cdiv style=\\&quot;font-size: 12; color:#d35400;\\&quot;\\u003e\\u003cb\\u003eNASA JSC\\u003c/b\\u003e\\u003c/div\\u003e&quot;, &quot;iconAnchor&quot;: [0, 0], &quot;iconSize&quot;: [20, 20]});\n",
       "            marker_f41c8991d0622ea79acbed05d06efb8f.setIcon(div_icon_d3f9044810c02f26015ed4d6e21beeed);\n",
       "        \n",
       "    \n",
       "            var circle_4f1a39f4ca5683d36fbb74712499b55f = L.circle(\n",
       "                [28.562302, -80.577356],\n",
       "                {&quot;bubblingMouseEvents&quot;: true, &quot;color&quot;: &quot;#FFFF00&quot;, &quot;dashArray&quot;: null, &quot;dashOffset&quot;: null, &quot;fill&quot;: true, &quot;fillColor&quot;: &quot;#FFFF00&quot;, &quot;fillOpacity&quot;: 0.2, &quot;fillRule&quot;: &quot;evenodd&quot;, &quot;lineCap&quot;: &quot;round&quot;, &quot;lineJoin&quot;: &quot;round&quot;, &quot;opacity&quot;: 1.0, &quot;radius&quot;: 50, &quot;stroke&quot;: true, &quot;weight&quot;: 3}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "        var popup_316a68baa3133c35f0fce27599d00379 = L.popup({&quot;maxWidth&quot;: &quot;100%&quot;});\n",
       "\n",
       "        \n",
       "            \n",
       "                var html_dea02d43155fb4e9b6c6cf5fb9b7f724 = $(`&lt;div id=&quot;html_dea02d43155fb4e9b6c6cf5fb9b7f724&quot; style=&quot;width: 100.0%; height: 100.0%;&quot;&gt;CCAFS LC-40&lt;/div&gt;`)[0];\n",
       "                popup_316a68baa3133c35f0fce27599d00379.setContent(html_dea02d43155fb4e9b6c6cf5fb9b7f724);\n",
       "            \n",
       "        \n",
       "\n",
       "        circle_4f1a39f4ca5683d36fbb74712499b55f.bindPopup(popup_316a68baa3133c35f0fce27599d00379)\n",
       "        ;\n",
       "\n",
       "        \n",
       "    \n",
       "    \n",
       "            var marker_fbdb501d15274c2adef4caf623cfa792 = L.marker(\n",
       "                [28.562302, -80.577356],\n",
       "                {}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "            var div_icon_3e96800a70fa61bb25ac76f5f4156f94 = L.divIcon({&quot;className&quot;: &quot;empty&quot;, &quot;html&quot;: &quot;\\u003cdiv style=\\&quot;font-size: 12; color:#FFFF00;\\&quot;\\u003e\\u003cb\\u003eLaunch site 1\\u003c/b\\u003e\\u003c/div\\u003e&quot;, &quot;iconAnchor&quot;: [0, 0], &quot;iconSize&quot;: [20, 20]});\n",
       "            marker_fbdb501d15274c2adef4caf623cfa792.setIcon(div_icon_3e96800a70fa61bb25ac76f5f4156f94);\n",
       "        \n",
       "    \n",
       "            var circle_0748048ad4b62b13504864afb57b4186 = L.circle(\n",
       "                [28.563197, -80.57682],\n",
       "                {&quot;bubblingMouseEvents&quot;: true, &quot;color&quot;: &quot;#FFFF00&quot;, &quot;dashArray&quot;: null, &quot;dashOffset&quot;: null, &quot;fill&quot;: true, &quot;fillColor&quot;: &quot;#FFFF00&quot;, &quot;fillOpacity&quot;: 0.2, &quot;fillRule&quot;: &quot;evenodd&quot;, &quot;lineCap&quot;: &quot;round&quot;, &quot;lineJoin&quot;: &quot;round&quot;, &quot;opacity&quot;: 1.0, &quot;radius&quot;: 50, &quot;stroke&quot;: true, &quot;weight&quot;: 3}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "        var popup_e033f3c78a21ae08622f13a7890af976 = L.popup({&quot;maxWidth&quot;: &quot;100%&quot;});\n",
       "\n",
       "        \n",
       "            \n",
       "                var html_233908f52198dd375af140c6001bcf70 = $(`&lt;div id=&quot;html_233908f52198dd375af140c6001bcf70&quot; style=&quot;width: 100.0%; height: 100.0%;&quot;&gt;CCAFS SLC-40&lt;/div&gt;`)[0];\n",
       "                popup_e033f3c78a21ae08622f13a7890af976.setContent(html_233908f52198dd375af140c6001bcf70);\n",
       "            \n",
       "        \n",
       "\n",
       "        circle_0748048ad4b62b13504864afb57b4186.bindPopup(popup_e033f3c78a21ae08622f13a7890af976)\n",
       "        ;\n",
       "\n",
       "        \n",
       "    \n",
       "    \n",
       "            var marker_018c7ab08275c6700590f886e36e43a8 = L.marker(\n",
       "                [28.563197, -80.57682],\n",
       "                {}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "            var div_icon_da411e1e23d4bc0c91b840e786e0aa8c = L.divIcon({&quot;className&quot;: &quot;empty&quot;, &quot;html&quot;: &quot;\\u003cdiv style=\\&quot;font-size: 12; color:#FFFF00;\\&quot;\\u003e\\u003cb\\u003eLaunch site 2\\u003c/b\\u003e\\u003c/div\\u003e&quot;, &quot;iconAnchor&quot;: [0, 0], &quot;iconSize&quot;: [20, 20]});\n",
       "            marker_018c7ab08275c6700590f886e36e43a8.setIcon(div_icon_da411e1e23d4bc0c91b840e786e0aa8c);\n",
       "        \n",
       "    \n",
       "            var circle_cc687fde3e32ff9a61f18c53d3f36073 = L.circle(\n",
       "                [28.573255, -80.646895],\n",
       "                {&quot;bubblingMouseEvents&quot;: true, &quot;color&quot;: &quot;#FFFF00&quot;, &quot;dashArray&quot;: null, &quot;dashOffset&quot;: null, &quot;fill&quot;: true, &quot;fillColor&quot;: &quot;#FFFF00&quot;, &quot;fillOpacity&quot;: 0.2, &quot;fillRule&quot;: &quot;evenodd&quot;, &quot;lineCap&quot;: &quot;round&quot;, &quot;lineJoin&quot;: &quot;round&quot;, &quot;opacity&quot;: 1.0, &quot;radius&quot;: 50, &quot;stroke&quot;: true, &quot;weight&quot;: 3}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "        var popup_c45156498e65407829a0ec438800f8c1 = L.popup({&quot;maxWidth&quot;: &quot;100%&quot;});\n",
       "\n",
       "        \n",
       "            \n",
       "                var html_de77dd919421a2a7406c685e12b0d29d = $(`&lt;div id=&quot;html_de77dd919421a2a7406c685e12b0d29d&quot; style=&quot;width: 100.0%; height: 100.0%;&quot;&gt;KSC LC-39A&lt;/div&gt;`)[0];\n",
       "                popup_c45156498e65407829a0ec438800f8c1.setContent(html_de77dd919421a2a7406c685e12b0d29d);\n",
       "            \n",
       "        \n",
       "\n",
       "        circle_cc687fde3e32ff9a61f18c53d3f36073.bindPopup(popup_c45156498e65407829a0ec438800f8c1)\n",
       "        ;\n",
       "\n",
       "        \n",
       "    \n",
       "    \n",
       "            var marker_e10f59462e0edde40fb6adc6e8fd0b5a = L.marker(\n",
       "                [28.573255, -80.646895],\n",
       "                {}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "            var div_icon_2514e7f6ba3ad6e63826d7db3ed1e92f = L.divIcon({&quot;className&quot;: &quot;empty&quot;, &quot;html&quot;: &quot;\\u003cdiv style=\\&quot;font-size: 12; color:#FFFF00;\\&quot;\\u003e\\u003cb\\u003eLaunch site 3\\u003c/b\\u003e\\u003c/div\\u003e&quot;, &quot;iconAnchor&quot;: [0, 0], &quot;iconSize&quot;: [20, 20]});\n",
       "            marker_e10f59462e0edde40fb6adc6e8fd0b5a.setIcon(div_icon_2514e7f6ba3ad6e63826d7db3ed1e92f);\n",
       "        \n",
       "    \n",
       "            var circle_b267e379109abedb968dff6bef4fc43e = L.circle(\n",
       "                [34.632834, -120.610745],\n",
       "                {&quot;bubblingMouseEvents&quot;: true, &quot;color&quot;: &quot;#FFFF00&quot;, &quot;dashArray&quot;: null, &quot;dashOffset&quot;: null, &quot;fill&quot;: true, &quot;fillColor&quot;: &quot;#FFFF00&quot;, &quot;fillOpacity&quot;: 0.2, &quot;fillRule&quot;: &quot;evenodd&quot;, &quot;lineCap&quot;: &quot;round&quot;, &quot;lineJoin&quot;: &quot;round&quot;, &quot;opacity&quot;: 1.0, &quot;radius&quot;: 50, &quot;stroke&quot;: true, &quot;weight&quot;: 3}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "        var popup_1736dde5fff55f3f743183ef6821b243 = L.popup({&quot;maxWidth&quot;: &quot;100%&quot;});\n",
       "\n",
       "        \n",
       "            \n",
       "                var html_1b85ef6c3361852da59ec9f2c3e126ad = $(`&lt;div id=&quot;html_1b85ef6c3361852da59ec9f2c3e126ad&quot; style=&quot;width: 100.0%; height: 100.0%;&quot;&gt;VAFB SLC-4E&lt;/div&gt;`)[0];\n",
       "                popup_1736dde5fff55f3f743183ef6821b243.setContent(html_1b85ef6c3361852da59ec9f2c3e126ad);\n",
       "            \n",
       "        \n",
       "\n",
       "        circle_b267e379109abedb968dff6bef4fc43e.bindPopup(popup_1736dde5fff55f3f743183ef6821b243)\n",
       "        ;\n",
       "\n",
       "        \n",
       "    \n",
       "    \n",
       "            var marker_10ac8c63cbbc46cb20d513b73a7e1e32 = L.marker(\n",
       "                [34.632834, -120.610745],\n",
       "                {}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "            var div_icon_a6b83d18377e3f81fd480e8248fe766e = L.divIcon({&quot;className&quot;: &quot;empty&quot;, &quot;html&quot;: &quot;\\u003cdiv style=\\&quot;font-size: 12; color:#FFFF00;\\&quot;\\u003e\\u003cb\\u003eLaunch site 4\\u003c/b\\u003e\\u003c/div\\u003e&quot;, &quot;iconAnchor&quot;: [0, 0], &quot;iconSize&quot;: [20, 20]});\n",
       "            marker_10ac8c63cbbc46cb20d513b73a7e1e32.setIcon(div_icon_a6b83d18377e3f81fd480e8248fe766e);\n",
       "        \n",
       "&lt;/script&gt;\n",
       "&lt;/html&gt;\" style=\"position:absolute;width:100%;height:100%;left:0;top:0;border:none !important;\" allowfullscreen webkitallowfullscreen mozallowfullscreen></iframe></div></div>"
      ],
      "text/plain": [
       "<folium.folium.Map at 0x29996e3ad10>"
      ]
     },
     "execution_count": 91,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Initial the map\n",
    "site_map = folium.Map(location=nasa_coordinate, zoom_start=5)\n",
    "# For each launch site, add a Circle object based on its coordinate (Lat, Long) values. In addition, add Launch site name as a popup label\n",
    "launch1_coordinate = [28.562302 ,-80.577356]\n",
    "launch2_coordinate = [28.563197 ,-80.576820]\n",
    "launch3_coordinate = [28.573255 ,-80.646895]\n",
    "launch4_coordinate = [34.632834 ,-120.610745]\n",
    "\n",
    "circle1 = folium.Circle(launch1_coordinate, radius=50, color='#FFFF00', fill=True).add_child(folium.Popup('CCAFS LC-40'))\n",
    "marker1 = folium.map.Marker(\n",
    "    launch1_coordinate,\n",
    "    # Create an icon as a text label\n",
    "    icon=DivIcon(\n",
    "        icon_size=(20,20),\n",
    "        icon_anchor=(0,0),\n",
    "        html='<div style=\"font-size: 12; color:#FFFF00;\"><b>%s</b></div>' % 'Launch site 1',\n",
    "        )\n",
    "    )\n",
    "\n",
    "circle2 = folium.Circle(launch2_coordinate, radius=50, color='#FFFF00', fill=True).add_child(folium.Popup('CCAFS SLC-40'))\n",
    "marker2 = folium.map.Marker(\n",
    "    launch2_coordinate,\n",
    "    # Create an icon as a text label\n",
    "    icon=DivIcon(\n",
    "        icon_size=(20,20),\n",
    "        icon_anchor=(0,0),\n",
    "        html='<div style=\"font-size: 12; color:#FFFF00;\"><b>%s</b></div>' % 'Launch site 2',\n",
    "        )\n",
    "    )\n",
    "circle3 = folium.Circle(launch3_coordinate, radius=50, color='#FFFF00', fill=True).add_child(folium.Popup('KSC LC-39A'))\n",
    "marker3 = folium.map.Marker(\n",
    "    launch3_coordinate,\n",
    "    # Create an icon as a text label\n",
    "    icon=DivIcon(\n",
    "        icon_size=(20,20),\n",
    "        icon_anchor=(0,0),\n",
    "        html='<div style=\"font-size: 12; color:#FFFF00;\"><b>%s</b></div>' % 'Launch site 3',\n",
    "        )\n",
    "    )\n",
    "circle4 = folium.Circle(launch4_coordinate, radius=50, color='#FFFF00', fill=True).add_child(folium.Popup('VAFB SLC-4E'))\n",
    "marker4 = folium.map.Marker(\n",
    "    launch4_coordinate,\n",
    "    # Create an icon as a text label\n",
    "    icon=DivIcon(\n",
    "        icon_size=(20,20),\n",
    "        icon_anchor=(0,0),\n",
    "        html='<div style=\"font-size: 12; color:#FFFF00;\"><b>%s</b></div>' % 'Launch site 4',\n",
    "        )\n",
    "    )\n",
    "loc = 'SpaceX by Kasra Tehrani'\n",
    "title_html = '''\n",
    "             <h3 align=\"center\" style=\"font-size:16px\"><b>{}</b></h3>\n",
    "             '''.format(loc)   \n",
    "\n",
    "site_map = folium.Map(location=[29.559684888503615, -95.0830971930759],\n",
    "               zoom_start=5)\n",
    "\n",
    "site_map.get_root().html.add_child(folium.Element(title_html))\n",
    "\n",
    "site_map.save('map-with-title.html')\n",
    "site_map.add_child(circle)\n",
    "site_map.add_child(marker)\n",
    "site_map.add_child(circle1)\n",
    "site_map.add_child(marker1)\n",
    "site_map.add_child(circle2)\n",
    "site_map.add_child(marker2)\n",
    "site_map.add_child(circle3)\n",
    "site_map.add_child(marker3)\n",
    "site_map.add_child(circle4)\n",
    "site_map.add_child(marker4)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The generated map with marked launch sites should look similar to the following:\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<center>\n",
    "    <img src=\"https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBM-DS0321EN-SkillsNetwork/labs/module_3/images/launch_site_markers.png\">\n",
    "</center>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Now, you can explore the map by zoom-in/out the marked areas\n",
    ", and try to answer the following questions:\n",
    "- Are all launch sites in proximity to the Equator line?\n",
    "- Are all launch sites in very close proximity to the coast?\n",
    "\n",
    "Also please try to explain your findings.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Task 2: Mark the success/failed launches for each site on the map\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Next, let's try to enhance the map by adding the launch outcomes for each site, and see which sites have high success rates.\n",
    "Recall that data frame spacex_df has detailed launch records, and the `class` column indicates if this launch was successful or not\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 92,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Launch Site</th>\n",
       "      <th>Lat</th>\n",
       "      <th>Long</th>\n",
       "      <th>class</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>46</th>\n",
       "      <td>KSC LC-39A</td>\n",
       "      <td>28.573255</td>\n",
       "      <td>-80.646895</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>47</th>\n",
       "      <td>KSC LC-39A</td>\n",
       "      <td>28.573255</td>\n",
       "      <td>-80.646895</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>48</th>\n",
       "      <td>KSC LC-39A</td>\n",
       "      <td>28.573255</td>\n",
       "      <td>-80.646895</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>49</th>\n",
       "      <td>CCAFS SLC-40</td>\n",
       "      <td>28.563197</td>\n",
       "      <td>-80.576820</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>50</th>\n",
       "      <td>CCAFS SLC-40</td>\n",
       "      <td>28.563197</td>\n",
       "      <td>-80.576820</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>51</th>\n",
       "      <td>CCAFS SLC-40</td>\n",
       "      <td>28.563197</td>\n",
       "      <td>-80.576820</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>52</th>\n",
       "      <td>CCAFS SLC-40</td>\n",
       "      <td>28.563197</td>\n",
       "      <td>-80.576820</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>53</th>\n",
       "      <td>CCAFS SLC-40</td>\n",
       "      <td>28.563197</td>\n",
       "      <td>-80.576820</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>54</th>\n",
       "      <td>CCAFS SLC-40</td>\n",
       "      <td>28.563197</td>\n",
       "      <td>-80.576820</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>55</th>\n",
       "      <td>CCAFS SLC-40</td>\n",
       "      <td>28.563197</td>\n",
       "      <td>-80.576820</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "     Launch Site        Lat       Long  class\n",
       "46    KSC LC-39A  28.573255 -80.646895      1\n",
       "47    KSC LC-39A  28.573255 -80.646895      1\n",
       "48    KSC LC-39A  28.573255 -80.646895      1\n",
       "49  CCAFS SLC-40  28.563197 -80.576820      1\n",
       "50  CCAFS SLC-40  28.563197 -80.576820      1\n",
       "51  CCAFS SLC-40  28.563197 -80.576820      0\n",
       "52  CCAFS SLC-40  28.563197 -80.576820      0\n",
       "53  CCAFS SLC-40  28.563197 -80.576820      0\n",
       "54  CCAFS SLC-40  28.563197 -80.576820      1\n",
       "55  CCAFS SLC-40  28.563197 -80.576820      0"
      ]
     },
     "execution_count": 92,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "spacex_df.tail(10)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Next, let's create markers for all launch records. \n",
    "If a launch was successful `(class=1)`, then we use a green marker and if a launch was failed, we use a red marker `(class=0)`\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Note that a launch only happens in one of the four launch sites, which means many launch records will have the exact same coordinate. Marker clusters can be a good way to simplify a map containing many markers having the same coordinate.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Let's first create a `MarkerCluster` object\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 93,
   "metadata": {
    "id": "wP9PVUZ7Jfjt",
    "outputId": "6a3b8164-940c-4b93-9f3d-c655c4a0c683",
    "papermill": {
     "duration": 0.904519,
     "end_time": "2020-09-19T06:27:38.357041",
     "exception": false,
     "start_time": "2020-09-19T06:27:37.452522",
     "status": "completed"
    },
    "tags": []
   },
   "outputs": [],
   "source": [
    "marker_cluster = MarkerCluster()\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "_TODO:_ Create a new column in `launch_sites` dataframe called `marker_color` to store the marker colors based on the `class` value\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "\n",
    "# Apply a function to check the value of `class` column\n",
    "# If class=1, marker_color value will be green\n",
    "# If class=0, marker_color value will be red\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Function to assign color to launch outcome\n",
    "def assign_marker_color(launch_outcome):\n",
    "    if launch_outcome == 1:\n",
    "        return 'green'\n",
    "    else:\n",
    "        return 'red'\n",
    "    \n",
    "spacex_df['marker_color'] = spacex_df['class'].apply(assign_marker_color)\n",
    "spacex_df.tail(10)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "_TODO:_ For each launch result in `spacex_df` data frame, add a `folium.Marker` to `marker_cluster`\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Add marker_cluster to current site_map\n",
    "site_map.add_child(marker_cluster)\n",
    "\n",
    "# for each row in spacex_df data frame\n",
    "# create a Marker object with its coordinate\n",
    "# and customize the Marker's icon property to indicate if this launch was successed or failed, \n",
    "# e.g., icon=folium.Icon(color='white', icon_color=row['marker_color']\n",
    "for index, record in spacex_df.iterrows():\n",
    "    # TODO: Create and add a Marker cluster to the site map\n",
    "    # marker = folium.Marker(...)\n",
    "    marker_cluster.add_child(marker)\n",
    "\n",
    "site_map"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Your updated map may look like the following screenshots:\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<center>\n",
    "    <img src=\"https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBM-DS0321EN-SkillsNetwork/labs/module_3/images/launch_site_marker_cluster.png\">\n",
    "</center>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<center>\n",
    "    <img src=\"https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBM-DS0321EN-SkillsNetwork/labs/module_3/images/launch_site_marker_cluster_zoomed.png\">\n",
    "</center>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "From the color-labeled markers in marker clusters, you should be able to easily identify which launch sites have relatively high success rates.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# TASK 3: Calculate the distances between a launch site to its proximities\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Next, we need to explore and analyze the proximities of launch sites.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Let's first add a `MousePosition` on the map to get coordinate for a mouse over a point on the map. As such, while you are exploring the map, you can easily find the coordinates of any points of interests (such as railway)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 95,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "&lt;head&gt;\n",
       "    \n",
       "    &lt;meta http-equiv=&quot;content-type&quot; content=&quot;text/html; charset=UTF-8&quot; /&gt;\n",
       "    \n",
       "        &lt;script&gt;\n",
       "            L_NO_TOUCH = false;\n",
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       "    &lt;script src=&quot;https://cdnjs.cloudflare.com/ajax/libs/Leaflet.awesome-markers/2.0.2/leaflet.awesome-markers.js&quot;&gt;&lt;/script&gt;\n",
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       "    &lt;link rel=&quot;stylesheet&quot; href=&quot;https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@6.2.0/css/all.min.css&quot;/&gt;\n",
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       "        \n",
       "    &lt;script src=&quot;https://cdn.jsdelivr.net/gh/ardhi/Leaflet.MousePosition/src/L.Control.MousePosition.min.js&quot;&gt;&lt;/script&gt;\n",
       "    &lt;link rel=&quot;stylesheet&quot; href=&quot;https://cdn.jsdelivr.net/gh/ardhi/Leaflet.MousePosition/src/L.Control.MousePosition.min.css&quot;/&gt;\n",
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       "    \n",
       "    \n",
       "             &lt;h3 align=&quot;center&quot; style=&quot;font-size:16px&quot;&gt;&lt;b&gt;SpaceX by Kasra Tehrani&lt;/b&gt;&lt;/h3&gt;\n",
       "             \n",
       "    \n",
       "            &lt;div class=&quot;folium-map&quot; id=&quot;map_6228e2385f3a8e342a71268ca62f0dec&quot; &gt;&lt;/div&gt;\n",
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       "    \n",
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       "                &quot;map_6228e2385f3a8e342a71268ca62f0dec&quot;,\n",
       "                {\n",
       "                    center: [29.559684888503615, -95.0830971930759],\n",
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       "\n",
       "            \n",
       "\n",
       "        \n",
       "    \n",
       "            var tile_layer_5d0a1844b25c38bd60e8fa1305980ec4 = L.tileLayer(\n",
       "                &quot;https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png&quot;,\n",
       "                {&quot;attribution&quot;: &quot;Data by \\u0026copy; \\u003ca target=\\&quot;_blank\\&quot; href=\\&quot;http://openstreetmap.org\\&quot;\\u003eOpenStreetMap\\u003c/a\\u003e, under \\u003ca target=\\&quot;_blank\\&quot; href=\\&quot;http://www.openstreetmap.org/copyright\\&quot;\\u003eODbL\\u003c/a\\u003e.&quot;, &quot;detectRetina&quot;: false, &quot;maxNativeZoom&quot;: 18, &quot;maxZoom&quot;: 18, &quot;minZoom&quot;: 0, &quot;noWrap&quot;: false, &quot;opacity&quot;: 1, &quot;subdomains&quot;: &quot;abc&quot;, &quot;tms&quot;: false}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
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       "            var circle_c2be464fb2a4eabe47405f79c5060d3a = L.circle(\n",
       "                [29.559684888503615, -95.0830971930759],\n",
       "                {&quot;bubblingMouseEvents&quot;: true, &quot;color&quot;: &quot;#d35400&quot;, &quot;dashArray&quot;: null, &quot;dashOffset&quot;: null, &quot;fill&quot;: true, &quot;fillColor&quot;: &quot;#d35400&quot;, &quot;fillOpacity&quot;: 0.2, &quot;fillRule&quot;: &quot;evenodd&quot;, &quot;lineCap&quot;: &quot;round&quot;, &quot;lineJoin&quot;: &quot;round&quot;, &quot;opacity&quot;: 1.0, &quot;radius&quot;: 1000, &quot;stroke&quot;: true, &quot;weight&quot;: 3}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "        var popup_ceadac1df93b3bf5a4632fc50042a386 = L.popup({&quot;maxWidth&quot;: &quot;100%&quot;});\n",
       "\n",
       "        \n",
       "            \n",
       "                var html_138e1e4452f4c6129ef38807ad032a53 = $(`&lt;div id=&quot;html_138e1e4452f4c6129ef38807ad032a53&quot; style=&quot;width: 100.0%; height: 100.0%;&quot;&gt;NASA Johnson Space Center&lt;/div&gt;`)[0];\n",
       "                popup_ceadac1df93b3bf5a4632fc50042a386.setContent(html_138e1e4452f4c6129ef38807ad032a53);\n",
       "            \n",
       "        \n",
       "\n",
       "        circle_c2be464fb2a4eabe47405f79c5060d3a.bindPopup(popup_ceadac1df93b3bf5a4632fc50042a386)\n",
       "        ;\n",
       "\n",
       "        \n",
       "    \n",
       "    \n",
       "            var marker_f41c8991d0622ea79acbed05d06efb8f = L.marker(\n",
       "                [29.559684888503615, -95.0830971930759],\n",
       "                {}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "            var div_icon_d3f9044810c02f26015ed4d6e21beeed = L.divIcon({&quot;className&quot;: &quot;empty&quot;, &quot;html&quot;: &quot;\\u003cdiv style=\\&quot;font-size: 12; color:#d35400;\\&quot;\\u003e\\u003cb\\u003eNASA JSC\\u003c/b\\u003e\\u003c/div\\u003e&quot;, &quot;iconAnchor&quot;: [0, 0], &quot;iconSize&quot;: [20, 20]});\n",
       "            marker_f41c8991d0622ea79acbed05d06efb8f.setIcon(div_icon_d3f9044810c02f26015ed4d6e21beeed);\n",
       "        \n",
       "    \n",
       "            var circle_4f1a39f4ca5683d36fbb74712499b55f = L.circle(\n",
       "                [28.562302, -80.577356],\n",
       "                {&quot;bubblingMouseEvents&quot;: true, &quot;color&quot;: &quot;#FFFF00&quot;, &quot;dashArray&quot;: null, &quot;dashOffset&quot;: null, &quot;fill&quot;: true, &quot;fillColor&quot;: &quot;#FFFF00&quot;, &quot;fillOpacity&quot;: 0.2, &quot;fillRule&quot;: &quot;evenodd&quot;, &quot;lineCap&quot;: &quot;round&quot;, &quot;lineJoin&quot;: &quot;round&quot;, &quot;opacity&quot;: 1.0, &quot;radius&quot;: 50, &quot;stroke&quot;: true, &quot;weight&quot;: 3}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "        var popup_316a68baa3133c35f0fce27599d00379 = L.popup({&quot;maxWidth&quot;: &quot;100%&quot;});\n",
       "\n",
       "        \n",
       "            \n",
       "                var html_dea02d43155fb4e9b6c6cf5fb9b7f724 = $(`&lt;div id=&quot;html_dea02d43155fb4e9b6c6cf5fb9b7f724&quot; style=&quot;width: 100.0%; height: 100.0%;&quot;&gt;CCAFS LC-40&lt;/div&gt;`)[0];\n",
       "                popup_316a68baa3133c35f0fce27599d00379.setContent(html_dea02d43155fb4e9b6c6cf5fb9b7f724);\n",
       "            \n",
       "        \n",
       "\n",
       "        circle_4f1a39f4ca5683d36fbb74712499b55f.bindPopup(popup_316a68baa3133c35f0fce27599d00379)\n",
       "        ;\n",
       "\n",
       "        \n",
       "    \n",
       "    \n",
       "            var marker_fbdb501d15274c2adef4caf623cfa792 = L.marker(\n",
       "                [28.562302, -80.577356],\n",
       "                {}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "            var div_icon_3e96800a70fa61bb25ac76f5f4156f94 = L.divIcon({&quot;className&quot;: &quot;empty&quot;, &quot;html&quot;: &quot;\\u003cdiv style=\\&quot;font-size: 12; color:#FFFF00;\\&quot;\\u003e\\u003cb\\u003eLaunch site 1\\u003c/b\\u003e\\u003c/div\\u003e&quot;, &quot;iconAnchor&quot;: [0, 0], &quot;iconSize&quot;: [20, 20]});\n",
       "            marker_fbdb501d15274c2adef4caf623cfa792.setIcon(div_icon_3e96800a70fa61bb25ac76f5f4156f94);\n",
       "        \n",
       "    \n",
       "            var circle_0748048ad4b62b13504864afb57b4186 = L.circle(\n",
       "                [28.563197, -80.57682],\n",
       "                {&quot;bubblingMouseEvents&quot;: true, &quot;color&quot;: &quot;#FFFF00&quot;, &quot;dashArray&quot;: null, &quot;dashOffset&quot;: null, &quot;fill&quot;: true, &quot;fillColor&quot;: &quot;#FFFF00&quot;, &quot;fillOpacity&quot;: 0.2, &quot;fillRule&quot;: &quot;evenodd&quot;, &quot;lineCap&quot;: &quot;round&quot;, &quot;lineJoin&quot;: &quot;round&quot;, &quot;opacity&quot;: 1.0, &quot;radius&quot;: 50, &quot;stroke&quot;: true, &quot;weight&quot;: 3}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "        var popup_e033f3c78a21ae08622f13a7890af976 = L.popup({&quot;maxWidth&quot;: &quot;100%&quot;});\n",
       "\n",
       "        \n",
       "            \n",
       "                var html_233908f52198dd375af140c6001bcf70 = $(`&lt;div id=&quot;html_233908f52198dd375af140c6001bcf70&quot; style=&quot;width: 100.0%; height: 100.0%;&quot;&gt;CCAFS SLC-40&lt;/div&gt;`)[0];\n",
       "                popup_e033f3c78a21ae08622f13a7890af976.setContent(html_233908f52198dd375af140c6001bcf70);\n",
       "            \n",
       "        \n",
       "\n",
       "        circle_0748048ad4b62b13504864afb57b4186.bindPopup(popup_e033f3c78a21ae08622f13a7890af976)\n",
       "        ;\n",
       "\n",
       "        \n",
       "    \n",
       "    \n",
       "            var marker_018c7ab08275c6700590f886e36e43a8 = L.marker(\n",
       "                [28.563197, -80.57682],\n",
       "                {}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "            var div_icon_da411e1e23d4bc0c91b840e786e0aa8c = L.divIcon({&quot;className&quot;: &quot;empty&quot;, &quot;html&quot;: &quot;\\u003cdiv style=\\&quot;font-size: 12; color:#FFFF00;\\&quot;\\u003e\\u003cb\\u003eLaunch site 2\\u003c/b\\u003e\\u003c/div\\u003e&quot;, &quot;iconAnchor&quot;: [0, 0], &quot;iconSize&quot;: [20, 20]});\n",
       "            marker_018c7ab08275c6700590f886e36e43a8.setIcon(div_icon_da411e1e23d4bc0c91b840e786e0aa8c);\n",
       "        \n",
       "    \n",
       "            var circle_cc687fde3e32ff9a61f18c53d3f36073 = L.circle(\n",
       "                [28.573255, -80.646895],\n",
       "                {&quot;bubblingMouseEvents&quot;: true, &quot;color&quot;: &quot;#FFFF00&quot;, &quot;dashArray&quot;: null, &quot;dashOffset&quot;: null, &quot;fill&quot;: true, &quot;fillColor&quot;: &quot;#FFFF00&quot;, &quot;fillOpacity&quot;: 0.2, &quot;fillRule&quot;: &quot;evenodd&quot;, &quot;lineCap&quot;: &quot;round&quot;, &quot;lineJoin&quot;: &quot;round&quot;, &quot;opacity&quot;: 1.0, &quot;radius&quot;: 50, &quot;stroke&quot;: true, &quot;weight&quot;: 3}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "        var popup_c45156498e65407829a0ec438800f8c1 = L.popup({&quot;maxWidth&quot;: &quot;100%&quot;});\n",
       "\n",
       "        \n",
       "            \n",
       "                var html_de77dd919421a2a7406c685e12b0d29d = $(`&lt;div id=&quot;html_de77dd919421a2a7406c685e12b0d29d&quot; style=&quot;width: 100.0%; height: 100.0%;&quot;&gt;KSC LC-39A&lt;/div&gt;`)[0];\n",
       "                popup_c45156498e65407829a0ec438800f8c1.setContent(html_de77dd919421a2a7406c685e12b0d29d);\n",
       "            \n",
       "        \n",
       "\n",
       "        circle_cc687fde3e32ff9a61f18c53d3f36073.bindPopup(popup_c45156498e65407829a0ec438800f8c1)\n",
       "        ;\n",
       "\n",
       "        \n",
       "    \n",
       "    \n",
       "            var marker_e10f59462e0edde40fb6adc6e8fd0b5a = L.marker(\n",
       "                [28.573255, -80.646895],\n",
       "                {}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "            var div_icon_2514e7f6ba3ad6e63826d7db3ed1e92f = L.divIcon({&quot;className&quot;: &quot;empty&quot;, &quot;html&quot;: &quot;\\u003cdiv style=\\&quot;font-size: 12; color:#FFFF00;\\&quot;\\u003e\\u003cb\\u003eLaunch site 3\\u003c/b\\u003e\\u003c/div\\u003e&quot;, &quot;iconAnchor&quot;: [0, 0], &quot;iconSize&quot;: [20, 20]});\n",
       "            marker_e10f59462e0edde40fb6adc6e8fd0b5a.setIcon(div_icon_2514e7f6ba3ad6e63826d7db3ed1e92f);\n",
       "        \n",
       "    \n",
       "            var circle_b267e379109abedb968dff6bef4fc43e = L.circle(\n",
       "                [34.632834, -120.610745],\n",
       "                {&quot;bubblingMouseEvents&quot;: true, &quot;color&quot;: &quot;#FFFF00&quot;, &quot;dashArray&quot;: null, &quot;dashOffset&quot;: null, &quot;fill&quot;: true, &quot;fillColor&quot;: &quot;#FFFF00&quot;, &quot;fillOpacity&quot;: 0.2, &quot;fillRule&quot;: &quot;evenodd&quot;, &quot;lineCap&quot;: &quot;round&quot;, &quot;lineJoin&quot;: &quot;round&quot;, &quot;opacity&quot;: 1.0, &quot;radius&quot;: 50, &quot;stroke&quot;: true, &quot;weight&quot;: 3}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "        var popup_1736dde5fff55f3f743183ef6821b243 = L.popup({&quot;maxWidth&quot;: &quot;100%&quot;});\n",
       "\n",
       "        \n",
       "            \n",
       "                var html_1b85ef6c3361852da59ec9f2c3e126ad = $(`&lt;div id=&quot;html_1b85ef6c3361852da59ec9f2c3e126ad&quot; style=&quot;width: 100.0%; height: 100.0%;&quot;&gt;VAFB SLC-4E&lt;/div&gt;`)[0];\n",
       "                popup_1736dde5fff55f3f743183ef6821b243.setContent(html_1b85ef6c3361852da59ec9f2c3e126ad);\n",
       "            \n",
       "        \n",
       "\n",
       "        circle_b267e379109abedb968dff6bef4fc43e.bindPopup(popup_1736dde5fff55f3f743183ef6821b243)\n",
       "        ;\n",
       "\n",
       "        \n",
       "    \n",
       "    \n",
       "            var marker_10ac8c63cbbc46cb20d513b73a7e1e32 = L.marker(\n",
       "                [34.632834, -120.610745],\n",
       "                {}\n",
       "            ).addTo(map_6228e2385f3a8e342a71268ca62f0dec);\n",
       "        \n",
       "    \n",
       "            var div_icon_a6b83d18377e3f81fd480e8248fe766e = L.divIcon({&quot;className&quot;: &quot;empty&quot;, &quot;html&quot;: &quot;\\u003cdiv style=\\&quot;font-size: 12; color:#FFFF00;\\&quot;\\u003e\\u003cb\\u003eLaunch site 4\\u003c/b\\u003e\\u003c/div\\u003e&quot;, &quot;iconAnchor&quot;: [0, 0], &quot;iconSize&quot;: [20, 20]});\n",
       "            marker_10ac8c63cbbc46cb20d513b73a7e1e32.setIcon(div_icon_a6b83d18377e3f81fd480e8248fe766e);\n",
       "        \n",
       "    \n",
       "            var mouse_position_2c545ebe279bbf9abf397cbf51864163 = new L.Control.MousePosition(\n",
       "                {&quot;emptyString&quot;: &quot;NaN&quot;, &quot;lngFirst&quot;: false, &quot;numDigits&quot;: 20, &quot;position&quot;: &quot;topright&quot;, &quot;prefix&quot;: &quot;Lat:&quot;, &quot;separator&quot;: &quot; Long: &quot;}\n",
       "            );\n",
       "            mouse_position_2c545ebe279bbf9abf397cbf51864163.options[&quot;latFormatter&quot;] =\n",
       "                function(num) {return L.Util.formatNum(num, 5);};;\n",
       "            mouse_position_2c545ebe279bbf9abf397cbf51864163.options[&quot;lngFormatter&quot;] =\n",
       "                function(num) {return L.Util.formatNum(num, 5);};;\n",
       "            map_6228e2385f3a8e342a71268ca62f0dec.addControl(mouse_position_2c545ebe279bbf9abf397cbf51864163);\n",
       "        \n",
       "&lt;/script&gt;\n",
       "&lt;/html&gt;\" style=\"position:absolute;width:100%;height:100%;left:0;top:0;border:none !important;\" allowfullscreen webkitallowfullscreen mozallowfullscreen></iframe></div></div>"
      ],
      "text/plain": [
       "<folium.folium.Map at 0x29996e3ad10>"
      ]
     },
     "execution_count": 95,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Add Mouse Position to get the coordinate (Lat, Long) for a mouse over on the map\n",
    "formatter = \"function(num) {return L.Util.formatNum(num, 5);};\"\n",
    "mouse_position = MousePosition(\n",
    "    position='topright',\n",
    "    separator=' Long: ',\n",
    "    empty_string='NaN',\n",
    "    lng_first=False,\n",
    "    num_digits=20,\n",
    "    prefix='Lat:',\n",
    "    lat_formatter=formatter,\n",
    "    lng_formatter=formatter,\n",
    ")\n",
    "\n",
    "site_map.add_child(mouse_position)\n",
    "site_map"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Now zoom in to a launch site and explore its proximity to see if you can easily find any railway, highway, coastline, etc. Move your mouse to these points and mark down their coordinates (shown on the top-left) in order to the distance to the launch site.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "You can calculate the distance between two points on the map based on their `Lat` and `Long` values using the following method:\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 96,
   "metadata": {},
   "outputs": [],
   "source": [
    "from math import sin, cos, sqrt, atan2, radians\n",
    "\n",
    "def calculate_distance(lat1, lon1, lat2, lon2):\n",
    "    # approximate radius of earth in km\n",
    "    R = 6373.0\n",
    "\n",
    "    lat1 = radians(lat1)\n",
    "    lon1 = radians(lon1)\n",
    "    lat2 = radians(lat2)\n",
    "    lon2 = radians(lon2)\n",
    "\n",
    "    dlon = lon2 - lon1\n",
    "    dlat = lat2 - lat1\n",
    "\n",
    "    a = sin(dlat / 2)**2 + cos(lat1) * cos(lat2) * sin(dlon / 2)**2\n",
    "    c = 2 * atan2(sqrt(a), sqrt(1 - a))\n",
    "\n",
    "    distance = R * c\n",
    "    return distance"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "_TODO:_ Mark down a point on the closest coastline using MousePosition and calculate the distance between the coastline point and the launch site.\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# find coordinate of the closet coastline\n",
    "# e.g.,: Lat: 28.56367  Lon: -80.57163\n",
    "# distance_coastline = calculate_distance(launch_site_lat, launch_site_lon, coastline_lat, coastline_lon)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "_TODO:_ After obtained its coordinate, create a `folium.Marker` to show the distance\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Create and add a folium.Marker on your selected closest coastline point on the map\n",
    "# Display the distance between coastline point and launch site using the icon property \n",
    "# for example\n",
    "# distance_marker = folium.Marker(\n",
    "#    coordinate,\n",
    "#    icon=DivIcon(\n",
    "#        icon_size=(20,20),\n",
    "#        icon_anchor=(0,0),\n",
    "#        html='<div style=\"font-size: 12; color:#d35400;\"><b>%s</b></div>' % \"{:10.2f} KM\".format(distance),\n",
    "#        )\n",
    "#    )"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "_TODO:_ Draw a `PolyLine` between a launch site to the selected coastline point\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Create a `folium.PolyLine` object using the coastline coordinates and launch site coordinate\n",
    "# lines=folium.PolyLine(locations=coordinates, weight=1)\n",
    "site_map.add_child(lines)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Your updated map with distance line should look like the following screenshot:\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<center>\n",
    "    <img src=\"https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBM-DS0321EN-SkillsNetwork/labs/module_3/images/launch_site_marker_distance.png\">\n",
    "</center>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "_TODO:_ Similarly, you can draw a line betwee a launch site to its closest city, railway, highway, etc. You need to use `MousePosition` to find the their coordinates on the map first\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "A railway map symbol may look like this:\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<center>\n",
    "    <img src=\"https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBM-DS0321EN-SkillsNetwork/labs/module_3/images/railway.png\">\n",
    "</center>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "A highway map symbol may look like this:\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<center>\n",
    "    <img src=\"https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBM-DS0321EN-SkillsNetwork/labs/module_3/images/highway.png\">\n",
    "</center>\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "A city map symbol may look like this:\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<center>\n",
    "    <img src=\"https://cf-courses-data.s3.us.cloud-object-storage.appdomain.cloud/IBM-DS0321EN-SkillsNetwork/labs/module_3/images/city.png\">\n",
    "</center>\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Create a marker with distance to a closest city, railway, highway, etc.\n",
    "# Draw a line between the marker to the launch site\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "After you plot distance lines to the proximities, you can answer the following questions easily:\n",
    "- Are launch sites in close proximity to railways?\n",
    "- Are launch sites in close proximity to highways?\n",
    "- Are launch sites in close proximity to coastline?\n",
    "- Do launch sites keep certain distance away from cities?\n",
    "\n",
    "Also please try to explain your findings.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Next Steps:\n",
    "\n",
    "Now you have discovered many interesting insights related to the launch sites' location using folium, in a very interactive way. Next, you will need to build a dashboard using Ploty Dash on detailed launch records.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Authors\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "[Yan Luo](https://www.linkedin.com/in/yan-luo-96288783/?utm_medium=Exinfluencer&utm_source=Exinfluencer&utm_content=000026UJ&utm_term=10006555&utm_id=NA-SkillsNetwork-Channel-SkillsNetworkCoursesIBMDS0321ENSkillsNetwork865-2023-01-01)\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Other Contributors\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Joseph Santarcangelo\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Change Log\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "|Date (YYYY-MM-DD)|Version|Changed By|Change Description|\n",
    "|-|-|-|-|\n",
    "|2021-05-26|1.0|Yan|Created the initial version|\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Copyright © 2021 IBM Corporation. All rights reserved.\n"
   ]
  }
 ],
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