From 89bd009ff2f160b93b0e059445bfb5caae167b35 Mon Sep 17 00:00:00 2001
From: Anita Graser <anitagraser@gmx.at>
Date: Fri, 9 Dec 2022 12:34:00 +0100
Subject: [PATCH] Add linked selections example

---
 notebooks/environment.ipynb | 62 +++++++++++++++++++++++++++++++++++--
 1 file changed, 59 insertions(+), 3 deletions(-)

diff --git a/notebooks/environment.ipynb b/notebooks/environment.ipynb
index 225ea67..7131db1 100644
--- a/notebooks/environment.ipynb
+++ b/notebooks/environment.ipynb
@@ -92,7 +92,63 @@
    "outputs": [],
    "source": [
     "col = 'airtemp °C'\n",
-    "stations.join(air_quality).dropna(subset=[col]).hvplot(geo=True, tiles='StamenToner', c=col, size=500, title=col.title())"
+    "stations = stations.join(air_quality).dropna(subset=[col])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "stations.hvplot(geo=True, tiles='StamenToner', c=col, size=500, title=col.title())"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from holoviews.selection import link_selections"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "my_map = stations.hvplot(geo=True, tiles='CartoLight', c=col, cmap='Viridis', size=200, title=col.title(), width=400, height=250)\n",
+    "my_scatter = pd.DataFrame(stations).hvplot.scatter(x='airtemp °C', y='windspeed kmh', width=250, height=250)\n",
+    "my_hist = pd.DataFrame(stations).hvplot.hist('airtemp °C', width=250, height=250)\n",
+    "link_selections(my_map + my_hist + my_scatter , index_cols=['id'])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import panel as pn"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def my_plot(my_col='airtemp °C'):\n",
+    "    try: \n",
+    "        my_map = stations.hvplot(geo=True, tiles='CartoLight', c=my_col, cmap='Viridis', size=200, title=my_col, width=400, height=250)\n",
+    "        my_hist = pd.DataFrame(stations).hvplot.hist(my_col, title=my_col, width=250, height=250)\n",
+    "        return link_selections(my_map + my_hist, index_cols=['id']) \n",
+    "    except:\n",
+    "        pass\n",
+    "kw = dict(my_col=air_quality.columns)\n",
+    "pn.interact(my_plot, **kw)"
    ]
   },
   {
@@ -105,7 +161,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -119,7 +175,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.8"
+   "version": "3.7.15"
   }
  },
  "nbformat": 4,