From 95f672f95f4a746032a948ba75aa6a99b677c126 Mon Sep 17 00:00:00 2001
From: James Gaboardi <jgaboardi@gmail.com>
Date: Fri, 24 Jan 2020 19:47:47 -0500
Subject: [PATCH 1/3] fixing #139

---
 spaghetti/network.py | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/spaghetti/network.py b/spaghetti/network.py
index e382ec4a..5b7ea031 100644
--- a/spaghetti/network.py
+++ b/spaghetti/network.py
@@ -2800,14 +2800,13 @@ def element_as_gdf(
         ``shapely.geometry.LineString`` objects with an ``"id"``
         column and ``"geometry"`` column. If the network object has 
         a ``network_component_labels`` attribute, then component labels
-        are also added in a column,
+        are also added in a column.
     
     paths :  geopandas.GeoDataFrame
-        
-        
-        
-        
-        
+        Shortest path routes along network arc elements as a 
+        ``geopandas.GeoDataFrame`` of ``shapely.geometry.LineString``
+        objects with an ``"id"`` (see ``spaghetti.Network.shortest_paths()``)
+        column and ``"geometry"`` column.
     
     Notes
     -----

From 431dc353fb9d9bc81054d5cfa1d53050f9279698 Mon Sep 17 00:00:00 2001
From: James Gaboardi <jgaboardi@gmail.com>
Date: Fri, 24 Jan 2020 19:50:46 -0500
Subject: [PATCH 2/3] improving shortest path notebook

---
 notebooks/Shortest-path-visualization.ipynb | 222 +++++++++++++++-----
 1 file changed, 175 insertions(+), 47 deletions(-)

diff --git a/notebooks/Shortest-path-visualization.ipynb b/notebooks/Shortest-path-visualization.ipynb
index 7524e367..130d8b23 100644
--- a/notebooks/Shortest-path-visualization.ipynb
+++ b/notebooks/Shortest-path-visualization.ipynb
@@ -28,8 +28,8 @@
    "execution_count": 1,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:40.813992Z",
-     "start_time": "2020-01-20T21:02:40.428240Z"
+     "end_time": "2020-01-25T00:49:39.009055Z",
+     "start_time": "2020-01-25T00:49:38.778856Z"
     }
    },
    "outputs": [
@@ -37,7 +37,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "2020-01-20T16:02:40-05:00\n",
+      "2020-01-24T19:49:38-05:00\n",
       "\n",
       "CPython 3.7.3\n",
       "IPython 7.10.2\n",
@@ -76,8 +76,8 @@
    "execution_count": 2,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:42.786245Z",
-     "start_time": "2020-01-20T21:02:40.821359Z"
+     "end_time": "2020-01-25T00:49:40.609590Z",
+     "start_time": "2020-01-25T00:49:39.014427Z"
     },
     "scrolled": true
    },
@@ -124,8 +124,8 @@
    "execution_count": 3,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:42.825330Z",
-     "start_time": "2020-01-20T21:02:42.795236Z"
+     "end_time": "2020-01-25T00:49:40.623236Z",
+     "start_time": "2020-01-25T00:49:40.614746Z"
     }
    },
    "outputs": [],
@@ -151,8 +151,8 @@
    "execution_count": 4,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:42.911605Z",
-     "start_time": "2020-01-20T21:02:42.837422Z"
+     "end_time": "2020-01-25T00:49:40.679484Z",
+     "start_time": "2020-01-25T00:49:40.627004Z"
     }
    },
    "outputs": [],
@@ -165,8 +165,8 @@
    "execution_count": 5,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:43.441184Z",
-     "start_time": "2020-01-20T21:02:42.918431Z"
+     "end_time": "2020-01-25T00:49:41.132584Z",
+     "start_time": "2020-01-25T00:49:40.682017Z"
     }
    },
    "outputs": [
@@ -204,8 +204,8 @@
    "execution_count": 6,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:43.475086Z",
-     "start_time": "2020-01-20T21:02:43.451514Z"
+     "end_time": "2020-01-25T00:49:41.149467Z",
+     "start_time": "2020-01-25T00:49:41.136700Z"
     }
    },
    "outputs": [],
@@ -232,8 +232,8 @@
    "execution_count": 7,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:43.504382Z",
-     "start_time": "2020-01-20T21:02:43.484622Z"
+     "end_time": "2020-01-25T00:49:41.171540Z",
+     "start_time": "2020-01-25T00:49:41.155027Z"
     }
    },
    "outputs": [],
@@ -249,8 +249,8 @@
    "execution_count": 8,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.268327Z",
-     "start_time": "2020-01-20T21:02:43.515001Z"
+     "end_time": "2020-01-25T00:49:41.868997Z",
+     "start_time": "2020-01-25T00:49:41.179805Z"
     }
    },
    "outputs": [
@@ -317,8 +317,8 @@
    "execution_count": 9,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.308204Z",
-     "start_time": "2020-01-20T21:02:44.279196Z"
+     "end_time": "2020-01-25T00:49:41.888967Z",
+     "start_time": "2020-01-25T00:49:41.876074Z"
     }
    },
    "outputs": [
@@ -352,8 +352,8 @@
    "execution_count": 10,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.340953Z",
-     "start_time": "2020-01-20T21:02:44.327960Z"
+     "end_time": "2020-01-25T00:49:41.908913Z",
+     "start_time": "2020-01-25T00:49:41.895949Z"
     }
    },
    "outputs": [
@@ -384,8 +384,8 @@
    "execution_count": 11,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.380484Z",
-     "start_time": "2020-01-20T21:02:44.360298Z"
+     "end_time": "2020-01-25T00:49:41.919523Z",
+     "start_time": "2020-01-25T00:49:41.913962Z"
     }
    },
    "outputs": [
@@ -429,13 +429,71 @@
    "execution_count": 12,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.408333Z",
-     "start_time": "2020-01-20T21:02:44.392367Z"
+     "end_time": "2020-01-25T00:49:41.934666Z",
+     "start_time": "2020-01-25T00:49:41.922025Z"
     }
    },
-   "outputs": [],
+   "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>id</th>\n",
+       "      <th>geometry</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>(0, 1)</td>\n",
+       "      <td>LINESTRING (0 1.3, 0 1.7)</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>(0, 2)</td>\n",
+       "      <td>LINESTRING (0 1.3, 0 1, 1 1, 2 1, 3 1, 3 1.5)</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>(1, 2)</td>\n",
+       "      <td>LINESTRING (0 1.7, 0 2, 1 2, 2 2, 3 2, 3 1.5)</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       id                                       geometry\n",
+       "0  (0, 1)                      LINESTRING (0 1.3, 0 1.7)\n",
+       "1  (0, 2)  LINESTRING (0 1.3, 0 1, 1 1, 2 1, 3 1, 3 1.5)\n",
+       "2  (1, 2)  LINESTRING (0 1.7, 0 2, 1 2, 2 2, 3 2, 3 1.5)"
+      ]
+     },
+     "execution_count": 12,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)"
+    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)\n",
+    "paths_gdf"
    ]
   },
   {
@@ -443,8 +501,8 @@
    "execution_count": 13,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.743126Z",
-     "start_time": "2020-01-20T21:02:44.426394Z"
+     "end_time": "2020-01-25T00:49:42.237289Z",
+     "start_time": "2020-01-25T00:49:41.937338Z"
     }
    },
    "outputs": [
@@ -481,8 +539,8 @@
    "execution_count": 14,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:45.540650Z",
-     "start_time": "2020-01-20T21:02:44.750155Z"
+     "end_time": "2020-01-25T00:49:42.974129Z",
+     "start_time": "2020-01-25T00:49:42.241522Z"
     }
    },
    "outputs": [
@@ -552,8 +610,8 @@
    "execution_count": 15,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:46.066679Z",
-     "start_time": "2020-01-20T21:02:45.550136Z"
+     "end_time": "2020-01-25T00:49:43.473665Z",
+     "start_time": "2020-01-25T00:49:42.980320Z"
     }
    },
    "outputs": [],
@@ -567,8 +625,8 @@
    "execution_count": 16,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:46.638924Z",
-     "start_time": "2020-01-20T21:02:46.071804Z"
+     "end_time": "2020-01-25T00:49:43.976956Z",
+     "start_time": "2020-01-25T00:49:43.476414Z"
     }
    },
    "outputs": [
@@ -606,8 +664,8 @@
    "execution_count": 17,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:46.795230Z",
-     "start_time": "2020-01-20T21:02:46.648884Z"
+     "end_time": "2020-01-25T00:49:44.084575Z",
+     "start_time": "2020-01-25T00:49:43.981675Z"
     }
    },
    "outputs": [],
@@ -634,8 +692,8 @@
    "execution_count": 18,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:51.337586Z",
-     "start_time": "2020-01-20T21:02:46.798853Z"
+     "end_time": "2020-01-25T00:49:47.376145Z",
+     "start_time": "2020-01-25T00:49:44.087013Z"
     }
    },
    "outputs": [
@@ -702,15 +760,85 @@
    "execution_count": 19,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:52.527369Z",
-     "start_time": "2020-01-20T21:02:51.360401Z"
+     "end_time": "2020-01-25T00:49:48.072619Z",
+     "start_time": "2020-01-25T00:49:47.378346Z"
     }
    },
-   "outputs": [],
+   "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>id</th>\n",
+       "      <th>geometry</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>(0, 1)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>(0, 2)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>(0, 3)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>(0, 4)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>(0, 5)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727281.557 ...</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       id                                           geometry\n",
+       "0  (0, 1)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "1  (0, 2)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "2  (0, 3)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "3  (0, 4)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "4  (0, 5)  LINESTRING (727287.664 879867.386, 727281.557 ..."
+      ]
+     },
+     "execution_count": 19,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "d2d_dist, tree = ntw.allneighbordistances(\"schools\", gen_tree=True)\n",
     "paths = ntw.shortest_paths(tree, \"schools\")\n",
-    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)"
+    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)\n",
+    "paths_gdf.head()"
    ]
   },
   {
@@ -730,8 +858,8 @@
    "execution_count": 20,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:52.905092Z",
-     "start_time": "2020-01-20T21:02:52.530293Z"
+     "end_time": "2020-01-25T00:49:48.401388Z",
+     "start_time": "2020-01-25T00:49:48.076955Z"
     }
    },
    "outputs": [
@@ -768,8 +896,8 @@
    "execution_count": 21,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:53.698330Z",
-     "start_time": "2020-01-20T21:02:52.917168Z"
+     "end_time": "2020-01-25T00:49:49.040715Z",
+     "start_time": "2020-01-25T00:49:48.405608Z"
     }
    },
    "outputs": [

From 829379053e2e61fa5eeee822d5188f9d4b0e0456 Mon Sep 17 00:00:00 2001
From: James Gaboardi <jgaboardi@gmail.com>
Date: Fri, 24 Jan 2020 19:52:44 -0500
Subject: [PATCH 3/3] pushing rebuilt docs

---
 docs/_modules/spaghetti/network.html          |  11 +-
 .../Shortest-path-visualization.ipynb.txt     | 222 ++++++++++++++----
 docs/generated/spaghetti.Network.html         |   4 +-
 docs/generated/spaghetti.PointPattern.html    |   2 +-
 docs/generated/spaghetti.element_as_gdf.html  |  12 +-
 .../Shortest-path-visualization.html          | 112 ++++++++-
 docs/searchindex.js                           |   2 +-
 .../Shortest-path-visualization.ipynb         | 222 ++++++++++++++----
 8 files changed, 476 insertions(+), 111 deletions(-)

diff --git a/docs/_modules/spaghetti/network.html b/docs/_modules/spaghetti/network.html
index e04d1b25..7a91fe9f 100644
--- a/docs/_modules/spaghetti/network.html
+++ b/docs/_modules/spaghetti/network.html
@@ -2926,14 +2926,13 @@ <h1>Source code for spaghetti.network</h1><div class="highlight"><pre>
 <span class="sd">        ``shapely.geometry.LineString`` objects with an ``&quot;id&quot;``</span>
 <span class="sd">        column and ``&quot;geometry&quot;`` column. If the network object has </span>
 <span class="sd">        a ``network_component_labels`` attribute, then component labels</span>
-<span class="sd">        are also added in a column,</span>
+<span class="sd">        are also added in a column.</span>
 <span class="sd">    </span>
 <span class="sd">    paths :  geopandas.GeoDataFrame</span>
-<span class="sd">        </span>
-<span class="sd">        </span>
-<span class="sd">        </span>
-<span class="sd">        </span>
-<span class="sd">        </span>
+<span class="sd">        Shortest path routes along network arc elements as a </span>
+<span class="sd">        ``geopandas.GeoDataFrame`` of ``shapely.geometry.LineString``</span>
+<span class="sd">        objects with an ``&quot;id&quot;`` (see ``spaghetti.Network.shortest_paths()``)</span>
+<span class="sd">        column and ``&quot;geometry&quot;`` column.</span>
 <span class="sd">    </span>
 <span class="sd">    Notes</span>
 <span class="sd">    -----</span>
diff --git a/docs/_sources/notebooks/Shortest-path-visualization.ipynb.txt b/docs/_sources/notebooks/Shortest-path-visualization.ipynb.txt
index 7524e367..130d8b23 100644
--- a/docs/_sources/notebooks/Shortest-path-visualization.ipynb.txt
+++ b/docs/_sources/notebooks/Shortest-path-visualization.ipynb.txt
@@ -28,8 +28,8 @@
    "execution_count": 1,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:40.813992Z",
-     "start_time": "2020-01-20T21:02:40.428240Z"
+     "end_time": "2020-01-25T00:49:39.009055Z",
+     "start_time": "2020-01-25T00:49:38.778856Z"
     }
    },
    "outputs": [
@@ -37,7 +37,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "2020-01-20T16:02:40-05:00\n",
+      "2020-01-24T19:49:38-05:00\n",
       "\n",
       "CPython 3.7.3\n",
       "IPython 7.10.2\n",
@@ -76,8 +76,8 @@
    "execution_count": 2,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:42.786245Z",
-     "start_time": "2020-01-20T21:02:40.821359Z"
+     "end_time": "2020-01-25T00:49:40.609590Z",
+     "start_time": "2020-01-25T00:49:39.014427Z"
     },
     "scrolled": true
    },
@@ -124,8 +124,8 @@
    "execution_count": 3,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:42.825330Z",
-     "start_time": "2020-01-20T21:02:42.795236Z"
+     "end_time": "2020-01-25T00:49:40.623236Z",
+     "start_time": "2020-01-25T00:49:40.614746Z"
     }
    },
    "outputs": [],
@@ -151,8 +151,8 @@
    "execution_count": 4,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:42.911605Z",
-     "start_time": "2020-01-20T21:02:42.837422Z"
+     "end_time": "2020-01-25T00:49:40.679484Z",
+     "start_time": "2020-01-25T00:49:40.627004Z"
     }
    },
    "outputs": [],
@@ -165,8 +165,8 @@
    "execution_count": 5,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:43.441184Z",
-     "start_time": "2020-01-20T21:02:42.918431Z"
+     "end_time": "2020-01-25T00:49:41.132584Z",
+     "start_time": "2020-01-25T00:49:40.682017Z"
     }
    },
    "outputs": [
@@ -204,8 +204,8 @@
    "execution_count": 6,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:43.475086Z",
-     "start_time": "2020-01-20T21:02:43.451514Z"
+     "end_time": "2020-01-25T00:49:41.149467Z",
+     "start_time": "2020-01-25T00:49:41.136700Z"
     }
    },
    "outputs": [],
@@ -232,8 +232,8 @@
    "execution_count": 7,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:43.504382Z",
-     "start_time": "2020-01-20T21:02:43.484622Z"
+     "end_time": "2020-01-25T00:49:41.171540Z",
+     "start_time": "2020-01-25T00:49:41.155027Z"
     }
    },
    "outputs": [],
@@ -249,8 +249,8 @@
    "execution_count": 8,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.268327Z",
-     "start_time": "2020-01-20T21:02:43.515001Z"
+     "end_time": "2020-01-25T00:49:41.868997Z",
+     "start_time": "2020-01-25T00:49:41.179805Z"
     }
    },
    "outputs": [
@@ -317,8 +317,8 @@
    "execution_count": 9,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.308204Z",
-     "start_time": "2020-01-20T21:02:44.279196Z"
+     "end_time": "2020-01-25T00:49:41.888967Z",
+     "start_time": "2020-01-25T00:49:41.876074Z"
     }
    },
    "outputs": [
@@ -352,8 +352,8 @@
    "execution_count": 10,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.340953Z",
-     "start_time": "2020-01-20T21:02:44.327960Z"
+     "end_time": "2020-01-25T00:49:41.908913Z",
+     "start_time": "2020-01-25T00:49:41.895949Z"
     }
    },
    "outputs": [
@@ -384,8 +384,8 @@
    "execution_count": 11,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.380484Z",
-     "start_time": "2020-01-20T21:02:44.360298Z"
+     "end_time": "2020-01-25T00:49:41.919523Z",
+     "start_time": "2020-01-25T00:49:41.913962Z"
     }
    },
    "outputs": [
@@ -429,13 +429,71 @@
    "execution_count": 12,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.408333Z",
-     "start_time": "2020-01-20T21:02:44.392367Z"
+     "end_time": "2020-01-25T00:49:41.934666Z",
+     "start_time": "2020-01-25T00:49:41.922025Z"
     }
    },
-   "outputs": [],
+   "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",
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+       "      <td>LINESTRING (0 1.3, 0 1, 1 1, 2 1, 3 1, 3 1.5)</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>(1, 2)</td>\n",
+       "      <td>LINESTRING (0 1.7, 0 2, 1 2, 2 2, 3 2, 3 1.5)</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       id                                       geometry\n",
+       "0  (0, 1)                      LINESTRING (0 1.3, 0 1.7)\n",
+       "1  (0, 2)  LINESTRING (0 1.3, 0 1, 1 1, 2 1, 3 1, 3 1.5)\n",
+       "2  (1, 2)  LINESTRING (0 1.7, 0 2, 1 2, 2 2, 3 2, 3 1.5)"
+      ]
+     },
+     "execution_count": 12,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)"
+    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)\n",
+    "paths_gdf"
    ]
   },
   {
@@ -443,8 +501,8 @@
    "execution_count": 13,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.743126Z",
-     "start_time": "2020-01-20T21:02:44.426394Z"
+     "end_time": "2020-01-25T00:49:42.237289Z",
+     "start_time": "2020-01-25T00:49:41.937338Z"
     }
    },
    "outputs": [
@@ -481,8 +539,8 @@
    "execution_count": 14,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:45.540650Z",
-     "start_time": "2020-01-20T21:02:44.750155Z"
+     "end_time": "2020-01-25T00:49:42.974129Z",
+     "start_time": "2020-01-25T00:49:42.241522Z"
     }
    },
    "outputs": [
@@ -552,8 +610,8 @@
    "execution_count": 15,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:46.066679Z",
-     "start_time": "2020-01-20T21:02:45.550136Z"
+     "end_time": "2020-01-25T00:49:43.473665Z",
+     "start_time": "2020-01-25T00:49:42.980320Z"
     }
    },
    "outputs": [],
@@ -567,8 +625,8 @@
    "execution_count": 16,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:46.638924Z",
-     "start_time": "2020-01-20T21:02:46.071804Z"
+     "end_time": "2020-01-25T00:49:43.976956Z",
+     "start_time": "2020-01-25T00:49:43.476414Z"
     }
    },
    "outputs": [
@@ -606,8 +664,8 @@
    "execution_count": 17,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:46.795230Z",
-     "start_time": "2020-01-20T21:02:46.648884Z"
+     "end_time": "2020-01-25T00:49:44.084575Z",
+     "start_time": "2020-01-25T00:49:43.981675Z"
     }
    },
    "outputs": [],
@@ -634,8 +692,8 @@
    "execution_count": 18,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:51.337586Z",
-     "start_time": "2020-01-20T21:02:46.798853Z"
+     "end_time": "2020-01-25T00:49:47.376145Z",
+     "start_time": "2020-01-25T00:49:44.087013Z"
     }
    },
    "outputs": [
@@ -702,15 +760,85 @@
    "execution_count": 19,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:52.527369Z",
-     "start_time": "2020-01-20T21:02:51.360401Z"
+     "end_time": "2020-01-25T00:49:48.072619Z",
+     "start_time": "2020-01-25T00:49:47.378346Z"
     }
    },
-   "outputs": [],
+   "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>id</th>\n",
+       "      <th>geometry</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>(0, 1)</td>\n",
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+       "    </tr>\n",
+       "    <tr>\n",
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+       "      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>(0, 3)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>(0, 4)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>(0, 5)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727281.557 ...</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       id                                           geometry\n",
+       "0  (0, 1)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "1  (0, 2)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "2  (0, 3)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "3  (0, 4)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "4  (0, 5)  LINESTRING (727287.664 879867.386, 727281.557 ..."
+      ]
+     },
+     "execution_count": 19,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "d2d_dist, tree = ntw.allneighbordistances(\"schools\", gen_tree=True)\n",
     "paths = ntw.shortest_paths(tree, \"schools\")\n",
-    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)"
+    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)\n",
+    "paths_gdf.head()"
    ]
   },
   {
@@ -730,8 +858,8 @@
    "execution_count": 20,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:52.905092Z",
-     "start_time": "2020-01-20T21:02:52.530293Z"
+     "end_time": "2020-01-25T00:49:48.401388Z",
+     "start_time": "2020-01-25T00:49:48.076955Z"
     }
    },
    "outputs": [
@@ -768,8 +896,8 @@
    "execution_count": 21,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:53.698330Z",
-     "start_time": "2020-01-20T21:02:52.917168Z"
+     "end_time": "2020-01-25T00:49:49.040715Z",
+     "start_time": "2020-01-25T00:49:48.405608Z"
     }
    },
    "outputs": [
diff --git a/docs/generated/spaghetti.Network.html b/docs/generated/spaghetti.Network.html
index 7bddf513..1f22f148 100644
--- a/docs/generated/spaghetti.Network.html
+++ b/docs/generated/spaghetti.Network.html
@@ -141,7 +141,7 @@ <h1>spaghetti.Network<a class="headerlink" href="#spaghetti-network" title="Perm
 <dl class="field-list">
 <dt class="field-odd">Parameters</dt>
 <dd class="field-odd"><dl>
-<dt><strong>in_data</strong><span class="classifier">{<a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">str</span></code></a>, <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#list" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">list</span></code></a>, <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#tuple" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">tuple</span></code></a>, <a class="reference external" href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.ndarray.html#numpy.ndarray" title="(in NumPy v1.17)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">numpy.ndarray</span></code></a>, <a class="reference external" href="https://pysal.org/libpysal/generated/libpysal.cg.Chain.html#libpysal.cg.Chain" title="(in libpysal v4.2.1)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">libpysal.cg.Chain</span></code></a>, <a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+33.gadd5fe9)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a>}</span></dt><dd><p>The input geographic data. Either (1) a path to a shapefile
+<dt><strong>in_data</strong><span class="classifier">{<a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">str</span></code></a>, <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#list" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">list</span></code></a>, <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#tuple" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">tuple</span></code></a>, <a class="reference external" href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.ndarray.html#numpy.ndarray" title="(in NumPy v1.17)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">numpy.ndarray</span></code></a>, <a class="reference external" href="https://pysal.org/libpysal/generated/libpysal.cg.Chain.html#libpysal.cg.Chain" title="(in libpysal v4.2.1)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">libpysal.cg.Chain</span></code></a>, <a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+36.g86e01dc)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a>}</span></dt><dd><p>The input geographic data. Either (1) a path to a shapefile
 (str); (2) an iterable containing <code class="docutils literal notranslate"><span class="pre">libpysal.cg.Chain</span></code>
 objects; (3) a single <code class="docutils literal notranslate"><span class="pre">libpysal.cg.Chain</span></code>; or
 (4) a <code class="docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code>.</p>
@@ -1255,7 +1255,7 @@ <h1>spaghetti.Network<a class="headerlink" href="#spaghetti-network" title="Perm
 <dl class="field-list">
 <dt class="field-odd">Parameters</dt>
 <dd class="field-odd"><dl>
-<dt><strong>in_data</strong><span class="classifier">{<a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+33.gadd5fe9)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a>, <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">str</span></code></a>}</span></dt><dd><p>The input geographic data. Either (1) a path to a
+<dt><strong>in_data</strong><span class="classifier">{<a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+36.g86e01dc)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a>, <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">str</span></code></a>}</span></dt><dd><p>The input geographic data. Either (1) a path to a
 shapefile (str); or (2) a <code class="docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code>.</p>
 </dd>
 <dt><strong>name</strong><span class="classifier"><a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">str</span></code></a></span></dt><dd><p>Name to be assigned to the point dataset.</p>
diff --git a/docs/generated/spaghetti.PointPattern.html b/docs/generated/spaghetti.PointPattern.html
index 40e15ace..0848cb1b 100644
--- a/docs/generated/spaghetti.PointPattern.html
+++ b/docs/generated/spaghetti.PointPattern.html
@@ -141,7 +141,7 @@ <h1>spaghetti.PointPattern<a class="headerlink" href="#spaghetti-pointpattern" t
 <dl class="field-list">
 <dt class="field-odd">Parameters</dt>
 <dd class="field-odd"><dl>
-<dt><strong>in_data</strong><span class="classifier">{<a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">str</span></code></a>, <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#list" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">list</span></code></a>, <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#tuple" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">tuple</span></code></a>, <a class="reference external" href="https://pysal.org/libpysal/generated/libpysal.cg.Point.html#libpysal.cg.Point" title="(in libpysal v4.2.1)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">libpysal.cg.Point</span></code></a>, <a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+33.gadd5fe9)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a>}</span></dt><dd><p>The input geographic data. Either (1) a path to a shapefile
+<dt><strong>in_data</strong><span class="classifier">{<a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#str" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">str</span></code></a>, <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#list" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">list</span></code></a>, <a class="reference external" href="https://docs.python.org/3.7/library/stdtypes.html#tuple" title="(in Python v3.7)"><code class="docutils literal notranslate"><span class="pre">tuple</span></code></a>, <a class="reference external" href="https://pysal.org/libpysal/generated/libpysal.cg.Point.html#libpysal.cg.Point" title="(in libpysal v4.2.1)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">libpysal.cg.Point</span></code></a>, <a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+36.g86e01dc)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a>}</span></dt><dd><p>The input geographic data. Either (1) a path to a shapefile
 (str); (2) an iterable containing <code class="docutils literal notranslate"><span class="pre">libpysal.cg.Point</span></code>
 objects; (3) a single <code class="docutils literal notranslate"><span class="pre">libpysal.cg.Point</span></code>; or
 (4) a <code class="docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code>.</p>
diff --git a/docs/generated/spaghetti.element_as_gdf.html b/docs/generated/spaghetti.element_as_gdf.html
index 488bb5c4..eb809448 100644
--- a/docs/generated/spaghetti.element_as_gdf.html
+++ b/docs/generated/spaghetti.element_as_gdf.html
@@ -165,17 +165,21 @@ <h1>spaghetti.element_as_gdf<a class="headerlink" href="#spaghetti-element-as-gd
 </dd>
 <dt class="field-even">Returns</dt>
 <dd class="field-even"><dl>
-<dt><strong>points</strong><span class="classifier"><a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+33.gadd5fe9)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a></span></dt><dd><p>Network point elements (either vertices or <code class="docutils literal notranslate"><span class="pre">network.PointPattern</span></code>
+<dt><strong>points</strong><span class="classifier"><a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+36.g86e01dc)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a></span></dt><dd><p>Network point elements (either vertices or <code class="docutils literal notranslate"><span class="pre">network.PointPattern</span></code>
 points) as a <code class="docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code> of <code class="docutils literal notranslate"><span class="pre">shapely.geometry.Point</span></code>
 objects with an <code class="docutils literal notranslate"><span class="pre">&quot;id&quot;</span></code> column and <code class="docutils literal notranslate"><span class="pre">&quot;geometry&quot;&quot;</span></code> column.</p>
 </dd>
-<dt><strong>lines</strong><span class="classifier"><a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+33.gadd5fe9)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a></span></dt><dd><p>Network arc elements as a <code class="docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code> of
+<dt><strong>lines</strong><span class="classifier"><a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+36.g86e01dc)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a></span></dt><dd><p>Network arc elements as a <code class="docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code> of
 <code class="docutils literal notranslate"><span class="pre">shapely.geometry.LineString</span></code> objects with an <code class="docutils literal notranslate"><span class="pre">&quot;id&quot;</span></code>
 column and <code class="docutils literal notranslate"><span class="pre">&quot;geometry&quot;</span></code> column. If the network object has 
 a <code class="docutils literal notranslate"><span class="pre">network_component_labels</span></code> attribute, then component labels
-are also added in a column,</p>
+are also added in a column.</p>
+</dd>
+<dt><strong>paths</strong><span class="classifier"><a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+36.g86e01dc)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a></span></dt><dd><p>Shortest path routes along network arc elements as a 
+<code class="docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code> of <code class="docutils literal notranslate"><span class="pre">shapely.geometry.LineString</span></code>
+objects with an <code class="docutils literal notranslate"><span class="pre">&quot;id&quot;</span></code> (see <code class="docutils literal notranslate"><span class="pre">spaghetti.Network.shortest_paths()</span></code>)
+column and <code class="docutils literal notranslate"><span class="pre">&quot;geometry&quot;</span></code> column.</p>
 </dd>
-<dt><strong>paths</strong><span class="classifier"><a class="reference external" href="https://geopandas.readthedocs.io/en/latest/reference/geopandas.GeoDataFrame.html#geopandas.GeoDataFrame" title="(in GeoPandas v0.6.1+33.gadd5fe9)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code></a></span></dt><dd></dd>
 </dl>
 </dd>
 <dt class="field-odd">Raises</dt>
diff --git a/docs/notebooks/Shortest-path-visualization.html b/docs/notebooks/Shortest-path-visualization.html
index f8686a03..db909172 100644
--- a/docs/notebooks/Shortest-path-visualization.html
+++ b/docs/notebooks/Shortest-path-visualization.html
@@ -391,7 +391,7 @@ <h2>Creating data for testing and demonstrating routes<a class="headerlink" href
 </div>
 <div class="output_area docutils container">
 <div class="highlight"><pre>
-2020-01-20T16:02:40-05:00
+2020-01-24T19:49:38-05:00
 
 CPython 3.7.3
 IPython 7.10.2
@@ -656,14 +656,62 @@ <h3>1.6. Generate shortest paths as <code class="docutils literal notranslate"><
 </div>
 <div class="section" id="1.7.-Extract-the-shortest-paths-within-geopandas.GeoDataFrame-and-plot">
 <h3>1.7. Extract the shortest paths within <code class="docutils literal notranslate"><span class="pre">geopandas.GeoDataFrame</span></code> and plot<a class="headerlink" href="#1.7.-Extract-the-shortest-paths-within-geopandas.GeoDataFrame-and-plot" title="Permalink to this headline">¶</a></h3>
-<div class="nbinput nblast docutils container">
+<div class="nbinput docutils container">
 <div class="prompt highlight-none notranslate"><div class="highlight"><pre><span></span>[12]:
 </pre></div>
 </div>
 <div class="input_area highlight-ipython3 notranslate"><div class="highlight"><pre>
 <span></span><span class="n">paths_gdf</span> <span class="o">=</span> <span class="n">spaghetti</span><span class="o">.</span><span class="n">element_as_gdf</span><span class="p">(</span><span class="n">ntw</span><span class="p">,</span> <span class="n">routes</span><span class="o">=</span><span class="n">paths</span><span class="p">)</span>
+<span class="n">paths_gdf</span>
+</pre></div>
+</div>
+</div>
+<div class="nboutput nblast docutils container">
+<div class="prompt highlight-none notranslate"><div class="highlight"><pre><span></span>[12]:
 </pre></div>
 </div>
+<div class="output_area rendered_html docutils container">
+<div>
+<style scoped>
+    .dataframe tbody tr th:only-of-type {
+        vertical-align: middle;
+    }
+
+    .dataframe tbody tr th {
+        vertical-align: top;
+    }
+
+    .dataframe thead th {
+        text-align: right;
+    }
+</style>
+<table border="1" class="dataframe">
+  <thead>
+    <tr style="text-align: right;">
+      <th></th>
+      <th>id</th>
+      <th>geometry</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <th>0</th>
+      <td>(0, 1)</td>
+      <td>LINESTRING (0 1.3, 0 1.7)</td>
+    </tr>
+    <tr>
+      <th>1</th>
+      <td>(0, 2)</td>
+      <td>LINESTRING (0 1.3, 0 1, 1 1, 2 1, 3 1, 3 1.5)</td>
+    </tr>
+    <tr>
+      <th>2</th>
+      <td>(1, 2)</td>
+      <td>LINESTRING (0 1.7, 0 2, 1 2, 2 2, 3 2, 3 1.5)</td>
+    </tr>
+  </tbody>
+</table>
+</div></div>
 </div>
 <div class="nbinput docutils container">
 <div class="prompt highlight-none notranslate"><div class="highlight"><pre><span></span>[13]:
@@ -831,7 +879,7 @@ <h3>2.3 Plot empirical data<a class="headerlink" href="#2.3-Plot-empirical-data"
 </div>
 <div class="section" id="2.4-Generate-shortest-path-routes-and-extract-them">
 <h3>2.4 Generate shortest path routes and extract them<a class="headerlink" href="#2.4-Generate-shortest-path-routes-and-extract-them" title="Permalink to this headline">¶</a></h3>
-<div class="nbinput nblast docutils container">
+<div class="nbinput docutils container">
 <div class="prompt highlight-none notranslate"><div class="highlight"><pre><span></span>[19]:
 </pre></div>
 </div>
@@ -839,8 +887,66 @@ <h3>2.4 Generate shortest path routes and extract them<a class="headerlink" href
 <span></span><span class="n">d2d_dist</span><span class="p">,</span> <span class="n">tree</span> <span class="o">=</span> <span class="n">ntw</span><span class="o">.</span><span class="n">allneighbordistances</span><span class="p">(</span><span class="s2">&quot;schools&quot;</span><span class="p">,</span> <span class="n">gen_tree</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
 <span class="n">paths</span> <span class="o">=</span> <span class="n">ntw</span><span class="o">.</span><span class="n">shortest_paths</span><span class="p">(</span><span class="n">tree</span><span class="p">,</span> <span class="s2">&quot;schools&quot;</span><span class="p">)</span>
 <span class="n">paths_gdf</span> <span class="o">=</span> <span class="n">spaghetti</span><span class="o">.</span><span class="n">element_as_gdf</span><span class="p">(</span><span class="n">ntw</span><span class="p">,</span> <span class="n">routes</span><span class="o">=</span><span class="n">paths</span><span class="p">)</span>
+<span class="n">paths_gdf</span><span class="o">.</span><span class="n">head</span><span class="p">()</span>
+</pre></div>
+</div>
+</div>
+<div class="nboutput nblast docutils container">
+<div class="prompt highlight-none notranslate"><div class="highlight"><pre><span></span>[19]:
 </pre></div>
 </div>
+<div class="output_area rendered_html docutils container">
+<div>
+<style scoped>
+    .dataframe tbody tr th:only-of-type {
+        vertical-align: middle;
+    }
+
+    .dataframe tbody tr th {
+        vertical-align: top;
+    }
+
+    .dataframe thead th {
+        text-align: right;
+    }
+</style>
+<table border="1" class="dataframe">
+  <thead>
+    <tr style="text-align: right;">
+      <th></th>
+      <th>id</th>
+      <th>geometry</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <th>0</th>
+      <td>(0, 1)</td>
+      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>
+    </tr>
+    <tr>
+      <th>1</th>
+      <td>(0, 2)</td>
+      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>
+    </tr>
+    <tr>
+      <th>2</th>
+      <td>(0, 3)</td>
+      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>
+    </tr>
+    <tr>
+      <th>3</th>
+      <td>(0, 4)</td>
+      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>
+    </tr>
+    <tr>
+      <th>4</th>
+      <td>(0, 5)</td>
+      <td>LINESTRING (727287.664 879867.386, 727281.557 ...</td>
+    </tr>
+  </tbody>
+</table>
+</div></div>
 </div>
 </div>
 <div class="section" id="2.5-Plot-the-shortest-path-routes">
diff --git a/docs/searchindex.js b/docs/searchindex.js
index 0ed18d84..c469e029 100644
--- a/docs/searchindex.js
+++ b/docs/searchindex.js
@@ -1 +1 @@
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reference","spaghetti.Network","spaghetti.Network.loadnetwork","spaghetti.Network.savenetwork","spaghetti.PointPattern","spaghetti.element_as_gdf","spaghetti.regular_lattice","<cite>spaghetti</cite>","Installation","Advanced <code class=\"docutils literal notranslate\"><span class=\"pre\">pysal.spaghetti</span></code> tutorial","Basic <code class=\"docutils literal notranslate\"><span class=\"pre\">pysal.spaghetti</span></code> tutorial","Connected components in a spatial network","Generating regular lattices and visualizing shortest paths","Demostrating network-based optimal facility location 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diff --git a/docsrc/notebooks/Shortest-path-visualization.ipynb b/docsrc/notebooks/Shortest-path-visualization.ipynb
index 7524e367..130d8b23 100644
--- a/docsrc/notebooks/Shortest-path-visualization.ipynb
+++ b/docsrc/notebooks/Shortest-path-visualization.ipynb
@@ -28,8 +28,8 @@
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-     "end_time": "2020-01-20T21:02:40.813992Z",
-     "start_time": "2020-01-20T21:02:40.428240Z"
+     "end_time": "2020-01-25T00:49:39.009055Z",
+     "start_time": "2020-01-25T00:49:38.778856Z"
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@@ -37,7 +37,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "2020-01-20T16:02:40-05:00\n",
+      "2020-01-24T19:49:38-05:00\n",
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       "IPython 7.10.2\n",
@@ -76,8 +76,8 @@
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-     "start_time": "2020-01-20T21:02:40.821359Z"
+     "end_time": "2020-01-25T00:49:40.609590Z",
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@@ -124,8 +124,8 @@
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-     "start_time": "2020-01-20T21:02:42.795236Z"
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+     "start_time": "2020-01-25T00:49:40.614746Z"
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@@ -151,8 +151,8 @@
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-     "end_time": "2020-01-20T21:02:42.911605Z",
-     "start_time": "2020-01-20T21:02:42.837422Z"
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+     "start_time": "2020-01-25T00:49:40.627004Z"
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@@ -165,8 +165,8 @@
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     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:43.441184Z",
-     "start_time": "2020-01-20T21:02:42.918431Z"
+     "end_time": "2020-01-25T00:49:41.132584Z",
+     "start_time": "2020-01-25T00:49:40.682017Z"
     }
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    "outputs": [
@@ -204,8 +204,8 @@
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-     "end_time": "2020-01-20T21:02:43.475086Z",
-     "start_time": "2020-01-20T21:02:43.451514Z"
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@@ -232,8 +232,8 @@
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-     "end_time": "2020-01-20T21:02:43.504382Z",
-     "start_time": "2020-01-20T21:02:43.484622Z"
+     "end_time": "2020-01-25T00:49:41.171540Z",
+     "start_time": "2020-01-25T00:49:41.155027Z"
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@@ -249,8 +249,8 @@
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     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:44.268327Z",
-     "start_time": "2020-01-20T21:02:43.515001Z"
+     "end_time": "2020-01-25T00:49:41.868997Z",
+     "start_time": "2020-01-25T00:49:41.179805Z"
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@@ -317,8 +317,8 @@
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-     "end_time": "2020-01-20T21:02:44.308204Z",
-     "start_time": "2020-01-20T21:02:44.279196Z"
+     "end_time": "2020-01-25T00:49:41.888967Z",
+     "start_time": "2020-01-25T00:49:41.876074Z"
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@@ -352,8 +352,8 @@
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-     "start_time": "2020-01-20T21:02:44.327960Z"
+     "end_time": "2020-01-25T00:49:41.908913Z",
+     "start_time": "2020-01-25T00:49:41.895949Z"
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@@ -429,13 +429,71 @@
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+     "start_time": "2020-01-25T00:49:41.922025Z"
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    "source": [
-    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)"
+    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)\n",
+    "paths_gdf"
    ]
   },
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@@ -443,8 +501,8 @@
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-     "start_time": "2020-01-20T21:02:51.360401Z"
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+     "start_time": "2020-01-25T00:49:47.378346Z"
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+       "      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>(0, 2)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>(0, 3)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>(0, 4)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727294.797 ...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>(0, 5)</td>\n",
+       "      <td>LINESTRING (727287.664 879867.386, 727281.557 ...</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       id                                           geometry\n",
+       "0  (0, 1)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "1  (0, 2)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "2  (0, 3)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "3  (0, 4)  LINESTRING (727287.664 879867.386, 727294.797 ...\n",
+       "4  (0, 5)  LINESTRING (727287.664 879867.386, 727281.557 ..."
+      ]
+     },
+     "execution_count": 19,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "d2d_dist, tree = ntw.allneighbordistances(\"schools\", gen_tree=True)\n",
     "paths = ntw.shortest_paths(tree, \"schools\")\n",
-    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)"
+    "paths_gdf = spaghetti.element_as_gdf(ntw, routes=paths)\n",
+    "paths_gdf.head()"
    ]
   },
   {
@@ -730,8 +858,8 @@
    "execution_count": 20,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:52.905092Z",
-     "start_time": "2020-01-20T21:02:52.530293Z"
+     "end_time": "2020-01-25T00:49:48.401388Z",
+     "start_time": "2020-01-25T00:49:48.076955Z"
     }
    },
    "outputs": [
@@ -768,8 +896,8 @@
    "execution_count": 21,
    "metadata": {
     "ExecuteTime": {
-     "end_time": "2020-01-20T21:02:53.698330Z",
-     "start_time": "2020-01-20T21:02:52.917168Z"
+     "end_time": "2020-01-25T00:49:49.040715Z",
+     "start_time": "2020-01-25T00:49:48.405608Z"
     }
    },
    "outputs": [