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<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">

    <title>Learning to Leaflet</title>

    <meta name="description" content="A framework for easily creating beautiful presentations using HTML">
    <meta name="author" content="Hakim El Hattab">

    <meta name="apple-mobile-web-app-capable" content="yes" />
    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />

    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">

    <link rel="stylesheet" href="reveal.js/css/reveal.css">
    <link id="theme" href="reveal.js/css/theme/serif.css" rel="stylesheet">

    <!-- For syntax highlighting -->
    <link rel="stylesheet" href="reveal.js/lib/css/zenburn.css">

    <style>
      .demo-left {
        width: 48%;
        height: 100%;
        float: left;
      }

      .demo-right {
        width: 48%;
        height: 100%;
        float: right;
      }

      .reveal .demo-iframe {
        width: 90%;
        height: 100%;
        margin: 20px auto;
      }

      .reveal .demo-code pre {

      }

      .reveal .standalone {
        font-size: 0.2em;
      }
    </style>

    <!--[if lt IE 9]>
      <script src="lib/js/html5shiv.js"></script>
    <![endif]-->
  </head>

  <body>

    <div class="reveal">

      <!-- Any section element inside of this container is displayed as a slide -->
      <div class="slides">
        <section>
          <h3>Learning to</h3>
          <h1>Leaflet</h1>
          <p>
          <small>By <a href="http://cbaines.net/">Christopher Baines</a></small>
          </p>
        </section>

        <section>
          <h2>Following Along</h2>

          <p>
          Either download the repository
          <a href="http://cbaines.net/maptime.zip">zip</a>
          /
          <a href="http://cbaines.net/maptime.tgz">tgz</a>
          </p>

          <p>
          Or, clone the repository
          <br>
          <a href="http://git.cbaines.net/?p=leaflet-workshop.git;a=summary">git://git.cbaines.net/leaflet-workshop.git</a>
          </p>
        </section>

        <section>
          <h2>Be prepared to...</h2>
          <ul>
            <li>Make a basic map</li>
            <li>Add some things</li>
            <li>Use some GeoJSON</li>
          </ul>
        </section>

        <section>
          <h2>What is Leaflet</h2>
          <blockquote cite="http://leafletjs.com">
            &ldquo;An Open-Source JavaScript Library for Mobile-Friendly Interactive Maps&rdquo;
          </blockquote>
          <a href="http://leafletjs.com">LeafletJS.com</a>
          <p>
          Contribute on <a href="https://github.com/Leaflet/Leaflet">GitHub</a>
          </p>
        </section>

        <section>
          <h2>Key Features</h2>
          <ul>
            <li class="fragment">Free Software</li>
            <li class="fragment">Extremely lightweight — around 34 KB of gzipped JS code</li>
            <li class="fragment">No external dependencies</li>
            <li class="fragment">Multi-touch support</li>
            <li class="fragment">GeoJSON Layers</li>
            <li class="fragment">Markers (custom markers support)</li>
            <li class="fragment">Popups</li>
            <li class="fragment">Use any map Provider</li>
            <li class="fragment">Browser Support works in IE7</li>
          </ul>
          <a class="fragment" href="http://leafletjs.com/features.html">Full list of features</a>
          </p>
        </section>

        <section>
          <h3>Your First Map</h3>

          <div class="demo-left">
            <iframe class="demo-iframe" src="demo1.html">
            </iframe>
          </div>

          <div class="demo-left">
          <pre class="demo-code"><code class="hljs javascript" data-trim>
var map = L.map('map', {
    center: [50.9087036, -1.4045204], // The Art House Cafe
    zoom: 13
});

L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
   attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
}).addTo(map);
          </code></pre>
          </div>
        </section>

        <section>
          <h3>What a Marker!</h3>

          <iframe class="demo-iframe" src="demo2.html">
          </iframe>

          <a href="http://leafletjs.com/reference.html#marker" target="_blank">
            Marker Documentation
          </a>

        </section>

        <section>
          <h3>What a Marker!</h3>

          <div class="demo-left">
            <iframe class="demo-iframe" src="demo2.html">
            </iframe>
          </div>

          <div class="demo-left">
          <pre class="demo-code"><code class="hljs javascript" data-trim>
// Add a marker over the Art House Cafe

var marker = L.marker([50.9087036, -1.4045204])

marker.addTo(map);
          </code></pre>
        </section>

        <section>
          <h3>A Suprising Popup</h3>

          <iframe class="demo-iframe" src="demo3.html">
          </iframe>

          <a href="http://leafletjs.com/reference.html#popup" target="_blank">
            Popup Documentation
          </a>

        </section>

        <section>
          <h3>A Suprising Popup</h3>

          <div class="demo-left">
            <iframe class="demo-iframe" src="demo3.html">
            </iframe>
          </div>

          <div class="demo-left">
          <pre class="demo-code"><code class="hljs javascript" data-trim>
// Add a popup to the marker

marker.bindPopup("The Art House Cafe");
          </code></pre>
          </div>
        </section>

        <section>
          <h3>A Round Circle</h3>

          <iframe class="demo-iframe" src="demo4.html">
          </iframe>

          <a href="http://leafletjs.com/reference.html#circle" target="_blank">
            Circle Documentation
          </a>

        </section>

        <section>
          <h3>A Round Circle</h3>

          <div class="demo-left">
            <iframe class="demo-iframe" src="demo4.html">
            </iframe>
          </div>

          <div class="demo-left">
          <pre class="demo-code"><code class="hljs javascript" data-trim>
// Add a circle to the map

var circle = L.circle(artHouseCafe, 50, {
      color: 'red',
      fillColor: '#f03',
      fillOpacity: 0
}).addTo(map);
          </code></pre>
          </div>
        </section>

        <section>
          <h3>Cafes with GeoJSON</h3>

          <iframe class="demo-iframe" src="demo5.html">
          </iframe>

          <a href="http://leafletjs.com/reference.html#geojson" target="_blank">
            GeoJSON Documentation
          </a>

        </section>

        <section>
          <h3>Cafes with GeoJSON</h3>

          <div class="demo-left">
            <iframe class="demo-iframe" src="demo5.html">
            </iframe>
          </div>

          <div class="demo-left">
          <pre class="demo-code"><code class="hljs javascript" data-trim>
// Load some GeoJSON exported from OpenStreetMap using the OverpassAPI
// (http://overpass-turbo.eu/s/7yI)

getJSON("cafes.json", function(cafes) {

  L.geoJson(cafes).addTo(map);
});

// plus a utility function: getJSON
          </code></pre>
          </div>
        </section>

        <section>
          <h3>GeoJSON with Custom Icons</h3>

          <iframe class="demo-iframe" src="demo6.html">
          </iframe>

          </br>
          <a href="http://leafletjs.com/reference.html#icon" target="_blank">
            Icon Documentation
          </a>

        </section>

        <section>
          <h3>GeoJSON with Custom Icons</h3>

          <div class="demo-left">
            <iframe class="demo-iframe" src="demo6.html">
            </iframe>
          </div>

          <div class="demo-left">
          <pre class="demo-code"><code class="hljs javascript" data-trim>
// Load some GeoJSON exported from OpenStreetMap using the OverpassAPI
// (http://overpass-turbo.eu/s/7yI)

var coffeeIcon = L.icon({
  iconUrl: 'coffee.png',

  iconSize:     [32, 37], // size of the icon
  iconAnchor:   [16, 37], // point of the icon which will
  popupAnchor:  [16, 0] // point from which the
});

getJSON("cafes.json", function(cafes) {

  // Coffee icon from
  // http://mapicons.nicolasmollet.com/markers/restaurants-bars/bars/coffee/

  L.geoJson(cafes, {
    pointToLayer: function(feature, latLng) {
      console.log(feature.properties);
      if (feature.properties.cuisine == "coffee_shop") {
        var marker = L.marker(latLng, {
          icon: coffeeIcon
        });

        return marker;
      } else {
        return L.marker(latLng);
      }
    },
    onEachFeature: function(feature, layer) {

    }
  }).addTo(map);
});
          </code></pre>
          </div>
        </section>

        <section>
          <h2>Plugins</h2>
          <p>
            A short selection
          </p>
          <ul>
            <li><a href="http://leaflet.github.io/Leaflet.markercluster/">
              Marker Cluster
            </a></li>
            <li><a href="http://norkart.github.io/Leaflet-MiniMap">
              MiniMap
            </a></li>
            <li><a href="https://github.com/Leaflet/Leaflet.heat">
              HeatMap
            </a></li>
            <li><a href="http://leafletjs.com/plugins.html">
              Plus Many More
            </a></li>
          </ul>

        </section>

        <section>
          <h2>One Alternative worth Considering</h2>
          <p><a href="http://openlayers.org/">OpenLayers 3</a> is a
          <blockquote cite="http://leafletjs.com">
            &ldquo;A high-performance, feature-packed library for all your
          mapping needs&rdquo;
          </blockquote>
          </p>

          <p>In comparison to Leaflet, this library is more powerful, at the
          expense of being larger and more complicated.
          </p>

          <a href="http://openlayers.org/en/v3.2.0/examples/">
            OpenLayers 3 Examples
          </a>
        </section>

        <section>
          <h2>Useful Links</h2>
          <ul>
            <li>
              <a href="http://leafletjs.com/">Leaflet Homepage</a>
            </li>
            <li>
              <a href="http://leafletjs.com/reference.html">API Reference</a>
            </li>
            <li>
              <a href="http://leafletjs.com/examples.html">Tutorials</a>
            </li>
          </ul>
        </section>
      </div>
    </div>

    <script src="reveal.js/lib/js/head.min.js"></script>
    <script src="reveal.js/js/reveal.js"></script>

    <script>

      // Full list of configuration options available here:
      // https://github.com/hakimel/reveal.js#configuration
      Reveal.initialize({
        controls: false,
        progress: true,
        history: true,
        center: true,
        touch:true,

        theme: "serif", // available themes are in /css/theme
        transition: 'linear', // default/cube/page/concave/zoom/linear/fade/none

        // Optional libraries used to extend on reveal.js
        dependencies: [
          { src: 'reveal.js/plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
        ]
      });

    </script>

  </body>
</html>