{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "0",
   "metadata": {},
   "source": [
    "[![image](https://jupyterlite.rtfd.io/en/latest/_static/badge.svg)](https://demo.leafmap.org/lab/index.html?path=notebooks/11_linked_maps.ipynb)\n",
    "[![image](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/opengeos/leafmap/blob/master/docs/notebooks/11_linked_maps.ipynb)\n",
    "[![image](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/opengeos/leafmap/HEAD)\n",
    "\n",
    "**Creating linked maps for visualizing multiple maps simultaneously**\n",
    "\n",
    "Uncomment the following line to install [leafmap](https://leafmap.org) if needed."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "1",
   "metadata": {},
   "outputs": [],
   "source": [
    "# !pip install leafmap"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2",
   "metadata": {},
   "source": [
    "This notebook example requires the ipyleaflet plotting backend. Folium is not supported."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "3",
   "metadata": {},
   "outputs": [],
   "source": [
    "import leafmap.leafmap as leafmap"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "4",
   "metadata": {},
   "source": [
    "Print out the list of available basemaps."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5",
   "metadata": {},
   "outputs": [],
   "source": [
    "print(leafmap.basemaps.keys())"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "6",
   "metadata": {},
   "source": [
    "Specify the number of rows and columns to create a linked map. The `layers` parameter accepts a list of two XYZ tile layers, which can be chosen from the basemap names, or any custom XYZ tile layer."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "7",
   "metadata": {},
   "outputs": [],
   "source": [
    "layers = [\"ROADMAP\", \"HYBRID\"]\n",
    "leafmap.linked_maps(rows=1, cols=2, height=\"400px\", layers=layers)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8",
   "metadata": {},
   "source": [
    "![](https://i.imgur.com/9qwmgPR.jpg)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "9",
   "metadata": {},
   "outputs": [],
   "source": [
    "layers = [\"Esri.WorldTopoMap\", \"OpenTopoMap\"]\n",
    "leafmap.linked_maps(rows=1, cols=2, height=\"400px\", layers=layers)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "10",
   "metadata": {},
   "source": [
    "![](https://i.imgur.com/tx89sKu.png)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "11",
   "metadata": {},
   "source": [
    "Create a 2 * 2 linked map to visualize land cover change. Specify the `center` and `zoom` parameters to change the default map center and zoom level."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "12",
   "metadata": {},
   "outputs": [],
   "source": [
    "layers = [str(f\"NLCD {year} CONUS Land Cover\") for year in [2001, 2006, 2011, 2016]]\n",
    "labels = [str(f\"NLCD {year}\") for year in [2001, 2006, 2011, 2016]]\n",
    "leafmap.linked_maps(\n",
    "    rows=2,\n",
    "    cols=2,\n",
    "    height=\"300px\",\n",
    "    layers=layers,\n",
    "    labels=labels,\n",
    "    center=[36.1, -115.2],\n",
    "    zoom=9,\n",
    ")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "13",
   "metadata": {},
   "source": [
    "![](https://i.imgur.com/VUp7H3m.png)"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  }
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