node-red-nodes/time/79-suncalc.html

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  Copyright 2013 IBM Corp.

  Licensed under the Apache License, Version 2.0 (the "License");
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  distributed under the License is distributed on an "AS IS" BASIS,
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<script type="text/x-red" data-template-name="sunrise">
  <div class="form-row">
    <label for="node-input-lat"><i class="icon-globe"></i> Latitude</label>
    <input type="text" id="node-input-lat" placeholder="51.025">
  </div>
  <div class="form-row">
    <label for="node-input-lon"><i class="icon-globe"></i> Longitude</label>
    <input type="text" id="node-input-lon" placeholder="-1.4">
  </div>
  <div class="form-row">
    <label for="node-input-start"><i class="icon-time"></i> Start</label>
    <select id="node-input-start" style='width:70%'>
      <option value="sunrise">Sunrise</option>
      <option value="sunriseEnd">Sunrise end</option>
      <option value="dawn">Dawn, morning civil twilight starts</option>
      <option value="goldenHourEnd">End of morning golden hour</option>
      <option value="nauticalDawn">Morning nautical twilight starts</option>
      <option value="nightEnd">Morning astronomical twilight starts</option>
    </select>
  </div>
  <div class="form-row">
    <label for="node-input-end"><i class="icon-time"></i> End</label>
    <select id="node-input-end" style='width:70%'>
      <option value="sunset">Sunset, civil twilight starts</option>
      <option value="sunsetStart">Sunset start</option>
      <option value="goldenHour">Start of evening golden hour</option>
      <option value="dusk">Dusk, Evening astronomical twilight starts</option>
      <option value="nauticalDusk">Evening nautical twilight starts</option>
      <option value="night">Dark enough for astronomy</option>
    </select>
  </div>
  <div class="form-row">
    <label for="node-input-name"><i class="icon-tag"></i> Name</label>
    <input type="text" id="node-input-name" placeholder="Name">
  </div>
</script>

<script type="text/x-red" data-help-name="sunrise">
    <p>Uses the suncalc module to generate an output at sunrise and sunset based on a specified location.</p>
    <p>Several choices of definition of sunrise and sunset are available, see the <i><a href = "https://github.com/mourner/suncalc" target="_new">suncalc</a></i> module for details.</p>
    <p>The first output emits a <b>msg.payload</b> of <i>1</i> or <i>0</i> every minute depending if in between selected times or not.
    The second output emits only on the transition between night to day (<i>-> 1</i>) or day to night (<i>-> 0</i>).</p>
    <p>Also sets <b>msg.topic</b> to <i>sun</i> and <b>msg.moon</b> to the fraction of the moon between 0 and 1.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('sunrise',{
        category: 'advanced-input',
        color:"#ffcc66",
        defaults: {
            name: {value:""},
            lat: {value:"", required:true, validate:RED.validators.number()},
            lon: {value:"", required:true, validate:RED.validators.number()},
            start: {value:"", required:true},
            end: {value:"", required:true}
        },
        inputs:0,
        outputs:2,
        icon: "sun.png",
        label: function() {
            return this.name||"Sun rise/set";
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>