[slides.git] / fossxr2019 / index.html

<!DOCTYPE html>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  <meta name="Author" content="KaiRo - Robert Kaiser">
  <title>VR Map: WebXR with OpenStreetMap Data</title>
  <link rel="stylesheet" type="text/css" href="slides.css">
  <script type="text/javascript" src="slides.js"></script>
  <link rel="contents" href="#index" title="Overview">
  <link rel="index" id="link-toc" href="#toc" title="Contents">
  <link rel="start" id="link-start" href="#index" title="Start">
</head>
<body>
<header id="header"><div id="header-text">VR Map</div>
  <div id="subheader-text"></div>
  <a id="headerlogo" href="#index" title="Start page">Mozilla</a>
</header>
<nav id="slidenav">
  <a href="#toc" id="nav-toc" accesskey="t">toc</a> ||
  <a href="#index" id="nav-start" accesskey="s">start</a> ||
  <a href="#" id="nav-prev" accesskey="p" hidden>&lt; back</a>
  <span id="nav-prev-nolink" class="nolink">&lt; back</span> |
  <a href="#" id="nav-next" id="goNext" accesskey="n" hidden>fwd &gt;</a>
  <span id="nav-next-nolink" class="nolink">fwd &gt;</span>
</nav>

<article id="toc" data-title="Contents">
<h1><span>Contents</span></h1>
<h2>VR Map: WebXR with OpenStreetMap Data</h2>

<div class="captionedbox">
<p class="captionedbox-caption">The following slides are available in this presentation:</p>
<div class="captionedbox-content">
<ul id="toc-list">
</ul>
</article>

<article id="index" data-title="Start Page" data-seconds="600">
<h1><span>VR Map: WebXR with OpenStreetMap Data</span></h1>
<h2>Simple GeoData Visualization with A-Frame</h2>

<div class="simplebox decofont">
<mark><a href="http://home.kairo.at/">Robert Kaiser</a></mark>
</div>

<div class="captionedbox">
<p class="captionedbox-caption decofont"><span id="hidesdesc" class="noadvance">Slides:</span>
  <a href="https://slides.kairo.at/fossxr2019/">https://slides.kairo.at/fossxr2019/</a></p>
<div class="captionedbox-content small">
<ul class="small" id="slidesdesc">
  <li>Created for a presentation at <a href="https://fossxr.dev/">FOSS XR
    Conference</a> in Amsterdam, Netherlands.</li>
  <li>Written in HTML 5 with CSS 3 and JavaScript.</li>
  <li>Navigation via links on all slides, via access keys
   (e.g. "n"/Alt+Shift+N for "next") or back/forward arrow keys</li>
  <li><a href="#toc">Contents</a></li>
  <li><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img
      alt="Lizenziert unter CC-BY-SA," class="ccinline" src="cc-by-sa.svg"></a>
    04/2018-10/2019 Robert Kaiser -
    "Mozilla", "Firefox" and their logos are
    <a href="http://www.mozilla.org/foundation/trademarks/list.html">trademarks
    of Mozilla Foundation</a>.</li>
</ul>
</div>
</div>
</article>

<article id="introduction" data-title="Introduction - KaiRo">
<h1><span>Robert Kaiser - KaiRo</span></h1>

<div class="simplebox">
<img src="kairo.jpg" class="slidepic"
 alt="Robert Kaiser">
<ul>
  <li>kairo@kairo.at / <a href="https://home.kairo.at/">home.kairo.at</a></li>
  <li><mark><a href="https://events.mozilla.org/techspeakers">Mozilla Tech Speaker</a></mark></li>
  <li>FLOSS supporter for 20+ years</li>
  <li>Based in Vienna, Austria</li>
  <li>Not on most major social networks</li>
  <li>But on <a href="https://joindiaspora.com/people/eb2e0ec0ec0d04bc">Diaspora*</a>,
      <a href="https://mozillians.org/en-US/u/KaiRo/">Mozillians</a>,
      <a href="https://telegram.me/KaiRo_at">Telegram</a>,
      <a href="https://www.linkedin.com/in/robert-kaiser-kairo-at">LinkedIn</a>,
      <a href="https://github.com/KaiRo-at">KaiRo-at at GitHub</a></li>
</ul>
<p class="ensurepicinbox"></p>
</div>
</article>

<article id="objectivepre" data-title="Objectives">
<h1><span>Objectives</span></h1>

<div class="simplebox">
<img src="vrusermoz.jpg" class="slidepic"
 alt="VR headset user">
<ul>
  <li>Cross-Device nature of <mark>WebVR/WebXR</mark></li>
  <li>Ease of use of <mark>A-Frame</mark></li>
  <li>Ability to use <mark>OpenStreetMap data</mark></li>
</ul>
<p class="ensurepicinbox"></p>
</div>
</article>

<article id="webvr" data-title="WebVR &amp; WebXR">
<h1><span>WebVR &amp; WebXR</span></h1>

<div class="simplebox">
<img src="vruser.jpg" class="slidepic"
 alt="VR headset user">
<ul>
  <li><a href="https://webvr.info/">WebVR</a>: <mark>Virtual Reality</mark>
    powered by Web technologies</li>
  <li>Evolving into <a href="https://github.com/immersive-web/webxr">WebXR
    Device API</a> - Mixed Reality (Virtual + Augmented Reality)</li>
  <li><mark>Open Standard</mark> (proposal, W3C), in concert with WebGL,
    WebAudio and Gamepad APIs</li>
</ul>
<p class="ensurepicinbox"></p>
</div>
</article>

<article id="vrbrowsers" data-title="Browser Support">
<h1><span>Browser Support</span></h1>

<div class="simplebox">
<img src="vrfirefox.jpg" class="slidepic"
 alt="VR Headsets with Firefox stickers">
<ul>
  <li><mark>Firefox</mark>: WebVR in Windows (55+) &amp; MacOS X (64+) release,
    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1310655">Linux in
    development</a></li>
  <li>Chrome: experimental WebVR support (behind flags in dev builds)</li>
  <li><mark>Stand-alone headsets</mark>: WebVR in Firefox Reality, Oculus Browser,
    Samsung Internet, Edge on HoloLens</li>
  <li>Firefox Reality and Chrome will ship <mark>WebXR</mark> (for VR) in December,
    <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1419190">Firefox
    desktop coming soon</a></li>
</ul>
<p class="ensurepicinbox"></p>
</div>
</article>

<article id="vrmap" data-title="VR Map">
<h1><span>VR Map</span></h1>

<div class="simplebox">
<img src="vrmap-small.png" class="slidepic"
 alt="VR Map in 2D">
<ul>
  <li><mark>Demo</mark> for WebVR with live
    <a href="https://www.openstreetmap.org/">OpenStreetMap</a> data</li>
  <li>Usable in 2D mode <mark>on any modern browser</mark></li>
  <li>Supports headset + controller where WebVR is supported</li>
  <li>Using <a href="https://aframe.io/">A-Frame</a> (see later)</li>
  <li>Simple: Currently ~80 lines HTML, <mark>~600 lines JS</mark></li>
</ul>
<p class="ensurepicinbox"></p>
</div>
</article>

<article id="vrmapdemo" data-title="VR Map Demo">
<h1><span><a href="https://vrmap.kairo.at/">vrmap.kairo.at</a></span></h1>

<div class="simplebox cent">
<a href="https://vrmap.kairo.at/" target="_blank"><img src="vrmap-large.png" class="sshot" alt="VR Map in 2D"></a>
</div>
</article>

<article id="code-basics" data-title="Code Basics">
<h1><span>Code Basics</span></h1>

<div class="simplebox">
<img src="vrusermoz.jpg" class="slidepic"
 alt="VR Headset user with Mozilla logos">
<ul>
  <li>The world is flat (in two ways)!</li>
  <li><mark>Ground tiles</mark> using
    <a href="https://en.wikipedia.org/wiki/Mercator_projection">Mercator projection</a>,
    "Mapnik" rendering from <a href="https://www.openstreetmap.org/">OSM</a>
    via KaiRo's tile caching server</li>
  <li><mark>Trees</mark> and <mark>buildings</mark>: live OSM data via
    <a href="https://wiki.openstreetmap.org/wiki/Overpass_API">Overpass API</a></li>
  <li>Camera/controller setup to support multiple devices for navigating the scene</li>
  <li>Built with Mozilla-orginated <a href="https://aframe.io/">A-Frame</a> library</li>
</ul>
<p class="ensurepicinbox"></p>
</div>
</article>

<article id="aframe" data-title="A-Frame">
<h1><span>A-Frame - XR Made Simple</span></h1>

<div class="simplebox">
<img src="aframe-sticker.png" class="slidepic"
 alt="A-Frame - aframe-io">
Example:
<pre>
&lt;<mark>a-scene</mark>&gt;
  &lt;a-sphere <small>position="0 1.25 -1" radius="1.25" color="#EF2D5E"</small>&gt;&lt;/a-sphere&gt;
  &lt;<mark>a-cube</mark> <small>position="-1 0.5 1" rotation="0 0 0" …</small>&gt;
    &lt;<mark>a-animation</mark> <small>attribute="rotation" … to="0 360 0"</small>&gt;&lt;/a-animation&gt;
  &lt;/a-cube&gt;
  &lt;a-cylinder <small>position="1 0.75 1" …</small>&gt;&lt;/a-cylinder&gt;
  &lt;a-plane <small>…</small>&gt;&lt;/a-plane&gt;
  &lt;a-sky <small>color="#ECECEC"</small>&gt;&lt;/a-sky&gt;
&lt;/a-scene&gt;
</pre>
<p><a href="https://codepen.io/mozvr/pen/jqERjQ" target="_blank">edit/view</a>
- More at <a href="https://aframe.io/">aframe.io</a>
<p class="ensurepicinbox"></p>
</div>
</article>

<article id="code-details" data-title="Code Details">
<h1><span>Code Details</span></h1>

<div class="simplebox">
<img src="vrusermoz.jpg" class="slidepic"
 alt="VR Headset user with Mozilla logos">
<ul>
  <li><code>index.html</code>: JS includes, start dialog, scene, camera/controller rig</li>
  <li><code>map.js</code>: variables, load handler, fetch from Overpass API</li>
  <li><code>conversions.js</code>: coordinate conversions</li>
  <li><code>position-limit.js</code>: A-Frame component for keeping position above ground</li>
  <li><code>tiles.js, trees.js, buildings.js</code>: load/draw the 3 types of objects</li>
  <li><mark><a href="https://github.com/KaiRo-at/vrmap" target="_blank">KaiRo-at/vrmap
    at GitHub</a></mark></li>
</ul>
<p class="ensurepicinbox"></p>
</div>
</article>

<article id="objectivepost" data-title="Objectives - Recap">
<h1><span>Objectives - Recap</span></h1>

<div class="simplebox">
<img src="vruser.jpg" class="slidepic"
 alt="VR headset user">
<ul>
  <li>Cross-Device nature of <mark>WebVR/WebXR</mark></li>
  <li>Ease of use of <mark>A-Frame</mark></li>
  <li>Ability to use <mark>OpenStreetMap data</mark></li>
</ul>
<p class="ensurepicinbox"></p>
</div>
</article>

<article id="makeyourown" data-title="Make It Your Own">
<h1><span>Make It Your Own</span></h1>

<div class="simplebox" style="position: relative;">
<div style="max-width: 60%; max-height: 18em; position: relative; z-index: 2;">
<img src="tune3dmr.jpg" class="sshot" alt="tune3dmr">
<br><mark>tune3DMR</mark>
</div>
<div style="max-width: 60%; max-height: 18em; position: absolute; right: 0; top: 2em; z-index: 1; text-align: right;">
<mark>OSMRail</mark><br>
<img src="OSMRail.jpg" class="sshot" alt="OSMRail">
</div>
</div>
</article>

<article id="end" data-title="The End">

<div class="simplebox endslidecontainer">
<h1 class="cent endslidetext"><span>Questions?</span></h1>
<h2 class="cent endslidetext"><span><a href="https://vrmap.kairo.at/">vrmap.kairo.at</a></span></h2>
<h3 class="cent endslidetext"><span><a href="https://github.com/KaiRo-at/vrmap">github.com/KaiRo-at/vrmap</a></span></h3>
<img src="vrmap-large.png" class="sshot endslidepic" alt="VR Map in 2D">
</div>
</article>

</body>
</html>
Commit	Line	Data
404ef286 RK	1	<!DOCTYPE html>
	2	<html>
	3	<head>
	4	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
	5	<meta name="Author" content="KaiRo - Robert Kaiser">
	6	<title>VR Map: WebXR with OpenStreetMap Data</title>
	7	<link rel="stylesheet" type="text/css" href="slides.css">
	8	<script type="text/javascript" src="slides.js"></script>
	9	<link rel="contents" href="#index" title="Overview">
	10	<link rel="index" id="link-toc" href="#toc" title="Contents">
	11	<link rel="start" id="link-start" href="#index" title="Start">
	12	</head>
	13	<body>
	14	<header id="header"><div id="header-text">VR Map</div>
	15	<div id="subheader-text"></div>
	16	<a id="headerlogo" href="#index" title="Start page">Mozilla</a>
	17	</header>
	18	<nav id="slidenav">
	19	<a href="#toc" id="nav-toc" accesskey="t">toc</a> \|\|
	20	<a href="#index" id="nav-start" accesskey="s">start</a> \|\|
	21	<a href="#" id="nav-prev" accesskey="p" hidden>< back</a>
	22	<span id="nav-prev-nolink" class="nolink">< back</span> \|
	23	<a href="#" id="nav-next" id="goNext" accesskey="n" hidden>fwd ></a>
	24	<span id="nav-next-nolink" class="nolink">fwd ></span>
	25	</nav>
	26
	27	<article id="toc" data-title="Contents">
	28	<h1><span>Contents</span></h1>
	29	<h2>VR Map: WebXR with OpenStreetMap Data</h2>
	30
	31	<div class="captionedbox">
	32	<p class="captionedbox-caption">The following slides are available in this presentation:</p>
	33	<div class="captionedbox-content">
	34	<ul id="toc-list">
	35	</ul>
	36	</article>
	37
	38	<article id="index" data-title="Start Page" data-seconds="600">
	39	<h1><span>VR Map: WebXR with OpenStreetMap Data</span></h1>
	40	<h2>Simple GeoData Visualization with A-Frame</h2>
	41
	42	<div class="simplebox decofont">
	43	<mark><a href="http://home.kairo.at/">Robert Kaiser</a></mark>
	44	</div>
	45
	46	<div class="captionedbox">
	47	<p class="captionedbox-caption decofont"><span id="hidesdesc" class="noadvance">Slides:</span>
	48	<a href="https://slides.kairo.at/fossxr2019/">https://slides.kairo.at/fossxr2019/</a></p>
	49	<div class="captionedbox-content small">
	50	<ul class="small" id="slidesdesc">
	51	<li>Created for a presentation at <a href="https://fossxr.dev/">FOSS XR
	52	Conference</a> in Amsterdam, Netherlands.</li>
	53	<li>Written in HTML 5 with CSS 3 and JavaScript.</li>
	54	<li>Navigation via links on all slides, via access keys
	55	(e.g. "n"/Alt+Shift+N for "next") or back/forward arrow keys</li>
	56	<li><a href="#toc">Contents</a></li>
	57	<li><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img
	58	alt="Lizenziert unter CC-BY-SA," class="ccinline" src="cc-by-sa.svg"></a>
	59	04/2018-10/2019 Robert Kaiser -
	60	"Mozilla", "Firefox" and their logos are
	61	<a href="http://www.mozilla.org/foundation/trademarks/list.html">trademarks
	62	of Mozilla Foundation</a>.</li>
	63	</ul>
	64	</div>
65	</div>
66	</article>
67
68	<article id="introduction" data-title="Introduction - KaiRo">
69	<h1><span>Robert Kaiser - KaiRo</span></h1>
70
71	<div class="simplebox">
72	<img src="kairo.jpg" class="slidepic"
73	alt="Robert Kaiser">
74	<ul>
75	<li>kairo@kairo.at / <a href="https://home.kairo.at/">home.kairo.at</a></li>
76	<li><mark><a href="https://events.mozilla.org/techspeakers">Mozilla Tech Speaker</a></mark></li>
77	<li>FLOSS supporter for 20+ years</li>
78	<li>Based in Vienna, Austria</li>
79	<li>Not on most major social networks</li>
80	<li>But on <a href="https://joindiaspora.com/people/eb2e0ec0ec0d04bc">Diaspora*</a>,
81	<a href="https://mozillians.org/en-US/u/KaiRo/">Mozillians</a>,
82	<a href="https://telegram.me/KaiRo_at">Telegram</a>,
83	<a href="https://www.linkedin.com/in/robert-kaiser-kairo-at">LinkedIn</a>,
84	<a href="https://github.com/KaiRo-at">KaiRo-at at GitHub</a></li>
85	</ul>
86	<p class="ensurepicinbox"></p>
87	</div>
88	</article>
89
90	<article id="objectivepre" data-title="Objectives">
91	<h1><span>Objectives</span></h1>
92
93	<div class="simplebox">
94	<img src="vrusermoz.jpg" class="slidepic"
95	alt="VR headset user">
96	<ul>
97	<li>Cross-Device nature of <mark>WebVR/WebXR</mark></li>
98	<li>Ease of use of <mark>A-Frame</mark></li>
99	<li>Ability to use <mark>OpenStreetMap data</mark></li>
100	</ul>
101	<p class="ensurepicinbox"></p>
102	</div>
103	</article>
104
105	<article id="webvr" data-title="WebVR & WebXR">
106	<h1><span>WebVR & WebXR</span></h1>
107
108	<div class="simplebox">
109	<img src="vruser.jpg" class="slidepic"
110	alt="VR headset user">
111	<ul>
112	<li><a href="https://webvr.info/">WebVR</a>: <mark>Virtual Reality</mark>
113	powered by Web technologies</li>
114	<li>Evolving into <a href="https://github.com/immersive-web/webxr">WebXR
115	Device API</a> - Mixed Reality (Virtual + Augmented Reality)</li>
116	<li><mark>Open Standard</mark> (proposal, W3C), in concert with WebGL,
117	WebAudio and Gamepad APIs</li>
118	</ul>
119	<p class="ensurepicinbox"></p>
120	</div>
121	</article>
122
123	<article id="vrbrowsers" data-title="Browser Support">
124	<h1><span>Browser Support</span></h1>
125
126	<div class="simplebox">
127	<img src="vrfirefox.jpg" class="slidepic"
128	alt="VR Headsets with Firefox stickers">
129	<ul>
130	<li><mark>Firefox</mark>: WebVR in Windows (55+) & MacOS X (64+) release,
131	<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1310655">Linux in
132	development</a></li>
133	<li>Chrome: experimental WebVR support (behind flags in dev builds)</li>
134	<li><mark>Stand-alone headsets</mark>: WebVR in Firefox Reality, Oculus Browser,
135	Samsung Internet, Edge on HoloLens</li>
136	<li>Firefox Reality and Chrome will ship <mark>WebXR</mark> (for VR) in December,
137	<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1419190">Firefox
138	desktop coming soon</a></li>
139	</ul>
140	<p class="ensurepicinbox"></p>
141	</div>
142	</article>
143
144	<article id="vrmap" data-title="VR Map">
145	<h1><span>VR Map</span></h1>
146
147	<div class="simplebox">
148	<img src="vrmap-small.png" class="slidepic"
149	alt="VR Map in 2D">
150	<ul>
151	<li><mark>Demo</mark> for WebVR with live
152	<a href="https://www.openstreetmap.org/">OpenStreetMap</a> data</li>
153	<li>Usable in 2D mode <mark>on any modern browser</mark></li>
154	<li>Supports headset + controller where WebVR is supported</li>
155	<li>Using <a href="https://aframe.io/">A-Frame</a> (see later)</li>
156	<li>Simple: Currently ~80 lines HTML, <mark>~600 lines JS</mark></li>
157	</ul>
158	<p class="ensurepicinbox"></p>
159	</div>
160	</article>
161
162	<article id="vrmapdemo" data-title="VR Map Demo">
163	<h1><span><a href="https://vrmap.kairo.at/">vrmap.kairo.at</a></span></h1>
164
165	<div class="simplebox cent">
166	<a href="https://vrmap.kairo.at/" target="_blank"><img src="vrmap-large.png" class="sshot" alt="VR Map in 2D"></a>
167	</div>
168	</article>
169
170	<article id="code-basics" data-title="Code Basics">
171	<h1><span>Code Basics</span></h1>
172
173	<div class="simplebox">
174	<img src="vrusermoz.jpg" class="slidepic"
175	alt="VR Headset user with Mozilla logos">
176	<ul>
177	<li>The world is flat (in two ways)!</li>
178	<li><mark>Ground tiles</mark> using
179	<a href="https://en.wikipedia.org/wiki/Mercator_projection">Mercator projection</a>,
180	"Mapnik" rendering from <a href="https://www.openstreetmap.org/">OSM</a>
181	via KaiRo's tile caching server</li>
182	<li><mark>Trees</mark> and <mark>buildings</mark>: live OSM data via
183	<a href="https://wiki.openstreetmap.org/wiki/Overpass_API">Overpass API</a></li>
184	<li>Camera/controller setup to support multiple devices for navigating the scene</li>
185	<li>Built with Mozilla-orginated <a href="https://aframe.io/">A-Frame</a> library</li>
186	</ul>
187	<p class="ensurepicinbox"></p>
188	</div>
189	</article>
190
191	<article id="aframe" data-title="A-Frame">
192	<h1><span>A-Frame - XR Made Simple</span></h1>
193
194	<div class="simplebox">
195	<img src="aframe-sticker.png" class="slidepic"
196	alt="A-Frame - aframe-io">
197	Example:
198	<pre>
199	<<mark>a-scene</mark>>
200	<a-sphere <small>position="0 1.25 -1" radius="1.25" color="#EF2D5E"</small>></a-sphere>
201	<<mark>a-cube</mark> <small>position="-1 0.5 1" rotation="0 0 0" …</small>>
202	<<mark>a-animation</mark> <small>attribute="rotation" … to="0 360 0"</small>></a-animation>
203	</a-cube>
204	<a-cylinder <small>position="1 0.75 1" …</small>></a-cylinder>
205	<a-plane <small>…</small>></a-plane>
206	<a-sky <small>color="#ECECEC"</small>></a-sky>
207	</a-scene>
208	</pre>
209	<p><a href="https://codepen.io/mozvr/pen/jqERjQ" target="_blank">edit/view</a>
210	- More at <a href="https://aframe.io/">aframe.io</a>
211	<p class="ensurepicinbox"></p>
212	</div>
213	</article>
214
215	<article id="code-details" data-title="Code Details">
216	<h1><span>Code Details</span></h1>
217
218	<div class="simplebox">
219	<img src="vrusermoz.jpg" class="slidepic"
220	alt="VR Headset user with Mozilla logos">
221	<ul>
222	<li><code>index.html</code>: JS includes, start dialog, scene, camera/controller rig</li>
223	<li><code>map.js</code>: variables, load handler, fetch from Overpass API</li>
224	<li><code>conversions.js</code>: coordinate conversions</li>
225	<li><code>position-limit.js</code>: A-Frame component for keeping position above ground</li>
226	<li><code>tiles.js, trees.js, buildings.js</code>: load/draw the 3 types of objects</li>
227	<li><mark><a href="https://github.com/KaiRo-at/vrmap" target="_blank">KaiRo-at/vrmap
228	at GitHub</a></mark></li>
229	</ul>
230	<p class="ensurepicinbox"></p>
231	</div>
232	</article>
233
234	<article id="objectivepost" data-title="Objectives - Recap">
235	<h1><span>Objectives - Recap</span></h1>
236
237	<div class="simplebox">
238	<img src="vruser.jpg" class="slidepic"
239	alt="VR headset user">
240	<ul>
241	<li>Cross-Device nature of <mark>WebVR/WebXR</mark></li>
242	<li>Ease of use of <mark>A-Frame</mark></li>
243	<li>Ability to use <mark>OpenStreetMap data</mark></li>
244	</ul>
245	<p class="ensurepicinbox"></p>
246	</div>
247	</article>
248
249	<article id="makeyourown" data-title="Make It Your Own">
250	<h1><span>Make It Your Own</span></h1>
251
252	<div class="simplebox" style="position: relative;">
253	<div style="max-width: 60%; max-height: 18em; position: relative; z-index: 2;">
254	<img src="tune3dmr.jpg" class="sshot" alt="tune3dmr">
255	<br><mark>tune3DMR</mark>
256	</div>
257	<div style="max-width: 60%; max-height: 18em; position: absolute; right: 0; top: 2em; z-index: 1; text-align: right;">
258	<mark>OSMRail</mark><br>
259	<img src="OSMRail.jpg" class="sshot" alt="OSMRail">
260	</div>
261	</div>
262	</article>
263
264	<article id="end" data-title="The End">
265
266	<div class="simplebox endslidecontainer">
267	<h1 class="cent endslidetext"><span>Questions?</span></h1>
268	<h2 class="cent endslidetext"><span><a href="https://vrmap.kairo.at/">vrmap.kairo.at</a></span></h2>
269	<h3 class="cent endslidetext"><span><a href="https://github.com/KaiRo-at/vrmap">github.com/KaiRo-at/vrmap</a></span></h3>
270	<img src="vrmap-large.png" class="sshot endslidepic" alt="VR Map in 2D">
271	</div>
272	</article>
273
274	</body>
275	</html>