Add example of a local basemap

Author: Huite

contextily_local_basemaps.ipynb

@@ -0,0 +1,78 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "%matplotlib inline\n",
+    "\n",
+    "import contextily as ctx\n",
+    "import geopandas as gpd\n",
+    "import pandas as pd\n",
+    "import matplotlib.pyplot as plt"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "provider = ctx.providers[\"PDOK\"]['opentopo_EPSG_28992']\n",
+    "provider"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "w = 128_000.0\n",
+    "s = 440_000.0\n",
+    "e = 150_000.0\n",
+    "n = 460_000.0\n",
+    "a, extent = ctx.bounds2img_wmts(w, s, e, n, url=provider, zoom=\"auto\")\n",
+    "fig, ax = plt.subplots(figsize=(10, 10))\n",
+    "ax.imshow(a, interpolation=\"spline36\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "x = 155_000.0\n",
+    "y = 463_000.0\n",
+    "df = pd.DataFrame({\"Locatie\": [\"Onze Lieve Vrouwentoren\"], \"x\": [x], \"y\": [y]})\n",
+    "gdf = gpd.GeoDataFrame(df, geometry=gpd.points_from_xy(df.x, df.y))\n",
+    "ax = gdf.plot(figsize=(10, 10))\n",
+    "a = ctx.add_basemap_wmts(ax, provider, interpolation=\"spline36\", zoom=\"auto\", reset_extent=False)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3.7.6 64-bit ('salty': conda)",
+   "language": "python",
+   "name": "python37664bitsaltycondaf755b71eb5284478984b9eadde8a8258"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}