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<!-- Attention authors: Do not edit directly. Please add your changes to the appropriate source repository -->
<h1 id="astro-binding">Astro Binding</h1>
<p>The Astro binding is used for calculating
* many DateTime and positional values for sun and moon.
* Radiation levels (direct, diffuse and total) of the sun during the day</p>
<h2 id="supported-things">Supported Things</h2>
<p>This binding supports two Things: Sun and Moon</p>
<h2 id="discovery">Discovery</h2>
<p>If a system location is set, “Local Sun” and a “Local Moon” will be automatically discovered for this location.</p>
<p>If the system location is changed, the background discovery updates the configuration of “Local Sun” and “Local Moon” automatically.</p>
<h2 id="binding-configuration">Binding Configuration</h2>
<p>No binding configuration required.</p>
<h2 id="thing-configuration">Thing Configuration</h2>
<p>All Things require the parameter <code class="highlighter-rouge">geolocation</code> (as <code class="highlighter-rouge"><latitude>,<longitude>,[<altitude in m>]</code>) for which the calculation is done.
The altitude segment is optional and sharpens results provided by the Radiation group.
Optionally, a refresh <code class="highlighter-rouge">interval</code> (in seconds) can be defined to also calculate positional data like azimuth and elevation.</p>
<h2 id="channels">Channels</h2>
<ul>
<li><strong>thing</strong> <code class="highlighter-rouge">sun</code>
<ul>
<li><strong>group</strong> <code class="highlighter-rouge">rise, set, noon, night, morningNight, astroDawn, nauticDawn, civilDawn, astroDusk, nauticDusk, civilDusk, eveningNight, daylight</code>
<ul>
<li><strong>channel</strong>
<ul>
<li><code class="highlighter-rouge">start, end</code> (DateTime)</li>
<li><code class="highlighter-rouge">duration</code> (Number)</li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">position</code>
<ul>
<li><strong>channel</strong>
<ul>
<li><code class="highlighter-rouge">azimuth, elevation</code> (Number)</li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">radiation</code>
<ul>
<li><strong>channel</strong>
<ul>
<li><code class="highlighter-rouge">direct, diffuse, total</code> (Number)</li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">zodiac</code>
<ul>
<li><strong>channel</strong>
<ul>
<li><code class="highlighter-rouge">start, end</code> (DateTime)</li>
<li><code class="highlighter-rouge">sign</code> (String), values: <code class="highlighter-rouge">ARIES, TAURUS, GEMINI, CANCER, LEO, VIRGO, LIBRA, SCORPIO, SAGITTARIUS, CAPRICORN, AQUARIUS, PISCES</code></li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">season</code>
<ul>
<li><strong>channel</strong>:
<ul>
<li><code class="highlighter-rouge">spring, summer, autumn, winter</code> (DateTime)</li>
<li><code class="highlighter-rouge">name</code> (String), values <code class="highlighter-rouge">SPRING, SUMMER, AUTUMN, WINTER</code></li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">eclipse</code>
<ul>
<li><strong>channel</strong>:
<ul>
<li><code class="highlighter-rouge">total, partial, ring</code> (DateTime)</li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">phase</code>
<ul>
<li><strong>channel</strong>
<ul>
<li><code class="highlighter-rouge">name</code> (String), values: <code class="highlighter-rouge">SUN_RISE, ASTRO_DAWN, NAUTIC_DAWN, CIVIL_DAWN, CIVIL_DUSK, NAUTIC_DUSK, ASTRO_DUSK, SUN_SET, DAYLIGHT, NIGHT</code></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li><strong>thing</strong> <code class="highlighter-rouge">moon</code>
<ul>
<li><strong>group</strong> <code class="highlighter-rouge">rise, set</code>
<ul>
<li><strong>channel</strong>
<ul>
<li><code class="highlighter-rouge">start, end</code> (DateTime)</li>
<li><code class="highlighter-rouge">duration</code> (Number), <strong>Note:</strong> start and end is always equal, duration always 0.</li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">phase</code>
<ul>
<li><strong>channel</strong>:
<ul>
<li><code class="highlighter-rouge">firstQuarter, thirdQuarter, full, new</code> (DateTime)</li>
<li><code class="highlighter-rouge">age, illumination</code> (Number)</li>
<li><code class="highlighter-rouge">name</code> (String), values: <code class="highlighter-rouge">NEW, WAXING_CRESCENT, FIRST_QUARTER, WAXING_GIBBOUS, FULL, WANING_GIBBOUS, THIRD_QUARTER, WANING_CRESCENT</code></li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">eclipse</code>
<ul>
<li><strong>channel</strong>:
<ul>
<li><code class="highlighter-rouge">total, partial</code> (DateTime)</li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">distance</code>
<ul>
<li><strong>channel</strong>:
<ul>
<li><code class="highlighter-rouge">date</code> (DateTime)</li>
<li><code class="highlighter-rouge">kilometer, miles</code> (Number)</li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">perigee</code>
<ul>
<li><strong>channel</strong>:
<ul>
<li><code class="highlighter-rouge">date</code> (DateTime),</li>
<li><code class="highlighter-rouge">kilometer, miles</code> (Number)</li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">apogee</code>
<ul>
<li><strong>channel</strong>:
<ul>
<li><code class="highlighter-rouge">date</code> (DateTime)</li>
<li><code class="highlighter-rouge">kilometer, miles</code> (Number)</li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">zodiac</code>
<ul>
<li><strong>channel</strong>
<ul>
<li><code class="highlighter-rouge">sign</code> (String), values: <code class="highlighter-rouge">ARIES, TAURUS, GEMINI, CANCER, LEO, VIRGO, LIBRA, SCORPIO, SAGITTARIUS, CAPRICORN, AQUARIUS, PISCES</code></li>
</ul>
</li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">position</code>
<ul>
<li><strong>channel</strong>
<ul>
<li><code class="highlighter-rouge">azimuth, elevation</code> (Number)</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
<h3 id="trigger-channels">Trigger Channels</h3>
<ul>
<li><strong>thing</strong> <code class="highlighter-rouge">sun</code>
<ul>
<li><strong>group</strong> <code class="highlighter-rouge">rise, set, noon, night, morningNight, astroDawn, nauticDawn, civilDawn, astroDusk, nauticDusk, civilDusk, eveningNight, daylight</code>
<ul>
<li><strong>event</strong> <code class="highlighter-rouge">START, END</code></li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">eclipse</code>
<ul>
<li><strong>event</strong>: <code class="highlighter-rouge">TOTAL, PARTIAL, RING</code></li>
</ul>
</li>
</ul>
</li>
<li><strong>thing</strong> <code class="highlighter-rouge">moon</code>
<ul>
<li><strong>group</strong> <code class="highlighter-rouge">rise</code>
<ul>
<li><strong>event</strong> <code class="highlighter-rouge">START</code></li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">set</code>
<ul>
<li><strong>event</strong> <code class="highlighter-rouge">END</code></li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">phase</code>
<ul>
<li><strong>event</strong>: <code class="highlighter-rouge">FIRST_QUARTER, THIRD_QUARTER, FULL, NEW</code></li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">eclipse</code>
<ul>
<li><strong>event</strong>: <code class="highlighter-rouge">TOTAL, PARTIAL</code></li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">perigee</code>
<ul>
<li><strong>event</strong>: <code class="highlighter-rouge">PERIGEE</code></li>
</ul>
</li>
<li><strong>group</strong> <code class="highlighter-rouge">apogee</code>
<ul>
<li><strong>event</strong>: <code class="highlighter-rouge">APOGEE</code></li>
</ul>
</li>
</ul>
</li>
</ul>
<h3 id="channel-config">Channel config</h3>
<p><strong>Offsets:</strong> For each event group you can optionally configure an <code class="highlighter-rouge">offset</code> in minutes. The <code class="highlighter-rouge">offset</code> must be configured in the channel properties for the corresponding thing.</p>
<p>The minimum allowed offset is -1440 and the maximum allowed offset is 1440.</p>
<p><strong>Earliest/Latest:</strong> For each trigger channel and <code class="highlighter-rouge">start</code>, <code class="highlighter-rouge">end</code> datetime value, you can optionally configure the <code class="highlighter-rouge">earliest</code> and <code class="highlighter-rouge">latest</code> time of the day.</p>
<p>e.g <code class="highlighter-rouge">sun#rise earliest=18:00, latest=20:00</code></p>
<p>sunrise is 17:40, but <code class="highlighter-rouge">earliest</code> is set to 18:00 so the event/datetime value is moved to 18:00.</p>
<p>OR</p>
<p>sunrise is 22:10 but <code class="highlighter-rouge">latest</code> is set to 20:00 so the event/datetime value is moved 20:00.</p>
<h2 id="full-example">Full Example</h2>
<p>Things:</p>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>astro:sun:home [ geolocation="52.5200066,13.4049540,100", interval=60 ]
astro:moon:home [ geolocation="52.5200066,13.4049540", interval=60 ]
</code></pre></div></div>
<p>or optionally with an event offset</p>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>astro:sun:home [ geolocation="52.5200066,13.4049540,100", interval=60 ] {
Channels:
Type rangeEvent : rise#event [
offset=-30
]
}
astro:moon:home [ geolocation="52.5200066,13.4049540", interval=60 ]
</code></pre></div></div>
<p>or a datetime offset</p>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>astro:sun:home [ geolocation="52.5200066,13.4049540,100", interval=60 ] {
Channels:
Type start : rise#start [
offset=5
]
Type end : rise#end [
offset=5
]
}
</code></pre></div></div>
<p>or a offset and latest</p>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>astro:sun:home [ geolocation="52.5200066,13.4049540,100", interval=60 ] {
Channels:
Type rangeEvent : rise#event [
offset=-10,
latest="08:00"
]
}
</code></pre></div></div>
<p>Items:</p>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>DateTime Sunrise_Time "Sunrise [%1$tH:%1$tM]" { channel="astro:sun:home:rise#start" }
DateTime Sunset_Time "Sunset [%1$tH:%1$tM]" { channel="astro:sun:home:set#start" }
Number Azimuth "Azimuth" { channel="astro:sun:home:position#azimuth" }
Number Elevation "Elevation" { channel="astro:sun:home:position#elevation" }
String MoonPhase "MoonPhase" { channel="astro:moon:home:phase#name" }
Number Total_Radiation "Radiation" { channel="astro:sun:home:radiation#total" }
Number Diffuse_Radiation "Diffuse Radiation" { channel="astro:sun:home:radiation#diffuse" }
</code></pre></div></div>
<p>Events:</p>
<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>rule "example trigger rule"
when
Channel 'astro:sun:home:rise#event' triggered START
then
...
end
</code></pre></div></div>
<h2 id="tips">Tips</h2>
<p>Do not worry if for example the “astro dawn” is undefined at your location. The reason might be that you live in a northern country and it is summer, such that the sun is not 18 degrees below the horizon in the morning. For details see <a href="https://en.wikipedia.org/wiki/Dawn">this Wikipedia article</a>. The “civil dawn” event might often be the better choice.</p>
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