82 lines
3.5 KiB
HTML
82 lines
3.5 KiB
HTML
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<script type="text/x-red" data-template-name="smooth">
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<div class="form-row">
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<label for="node-input-action"><i class="fa fa-bolt"></i> Action</label>
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<select id="node-input-action" style="width:60%; margin-right:5px;">
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<option value="max">Return the maximum value seen</option>
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<option value="min">Return the minimum value seen</option>
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<option value="mean">Return the mean value</option>
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<option value="sd">Return the standard deviation</option>
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<option value="low">Perform low pass filter</option>
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<option value="high">Perform high pass filter</option>
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</select>
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</div>
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<div class="form-row">
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<label for="node-input-count"> </label>
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<span id="node-over">over the most recent </span>
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<input type="text" id="node-input-count" placeholder="10" style="width:50px;"/>
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<span id="node-over2"> values</span>
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</div>
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<div class="form-row">
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<label for="node-input-round">(optionally)</label>
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round to <input type="text" id="node-input-round" placeholder="ignore" style="width:50px;"/> decimal places
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</div>
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<br/>
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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<div class="form-tips" id="node-tip">Tip: This node ONLY works with numbers.</div>
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</script>
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<script type="text/x-red" data-help-name="smooth">
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<p>A simple node to provide various functions across several previous values, including max, min, mean, high and low pass filters.</p>
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<p>Max, Min and Mean work over a specified number of previous values.</p>
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<p>The High and Low pass filters use a smoothing factor. The higher the number the more the smoothing. E.g. a value of 10 is similar to an α of 0.1. It is analagous to an RC time constant - but there is no time component to this as the time is based on events arriving.</p>
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<p><b>Note:</b> This only operates on <b>numbers</b>. Anything else will try to be made into a number and rejected if that fails.</p>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('smooth', {
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color: "#E2D96E",
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category: 'function',
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defaults: {
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name: {value:""},
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action: {value:"mean"},
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count: {value:"10",required:true,validate:RED.validators.number()},
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round: {value:""}
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},
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inputs: 1,
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outputs: 1,
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icon: "smooth.png",
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label: function() {
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return this.name || "smooth";
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},
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labelStyle: function() {
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return this.name ? "node_label_italic" : "";
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},
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oneditprepare: function() {
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$("#node-input-count").spinner({
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min:1
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});
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$("#node-input-round").spinner({
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});
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$("#node-input-action").change( function() {
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var a = $("#node-input-action").val();
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if ((a === "high") || ( a === "low" )) {
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$("#node-over").html("with a smoothing factor of ");
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$("#node-over2").html("");
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}
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else {
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$("#node-over").html("over the most recent ");
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$("#node-over2").html(" values");
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}
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});
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$("#node-input-action").change();
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if ($("#node-input-round").val() === "true") {
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$("#node-input-round").val(0);
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}
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}
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});
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</script>
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