Initial commit
This commit is contained in:
Marcelo
110
node_modules/node-red-node-smooth/17-smooth.html
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110
node_modules/node-red-node-smooth/17-smooth.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-property"><i class="fa fa-ellipsis-h"></i> <span data-i18n="node-red:common.label.property"></span></label>
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<input type="text" id="node-input-property" style="width:70%;"/>
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</div>
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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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<div class="form-row">
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<label for="node-input-mult">Treat</label>
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<select id="node-input-mult" style="width:60%; margin-right:5px;">
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<option value="single">All msg as one stream.</option>
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<option value="multi">Different msg.topic as individual streams.</option>
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</select>
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</div>
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<div class="form-row" id="row-input-reduce">
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<label for="node-input-reduce"><i class="fa fa-compress"></i> Reduce</label>
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<input type="checkbox" id="node-input-reduce" style="display:inline-block; width:20px; vertical-align:baseline;">
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only emit one message per most recent N values
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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>Messages arriving with different <code>msg.topic</code> can be treated as separate streams if so configured.</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>Enabling the Reduce option causes the node to only emit one message per N values (available for the Max, Min and Mean functions). E.g. if set to Mean over 10 values, there will only be one outgoing message per 10 incoming ones.</p>
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<p>If <code>msg.reset</code> is received (with any value), all the counters and intermediate values are reset to an initial state.</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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property: {value:"payload",required:true},
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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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mult: {value:"single"},
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reduce: {value:false}
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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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outputLabels: function() { return this.reduce === true ? (this.action+" of "+this.count) : (this.action); },
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oneditprepare: function() {
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if (this.property === undefined) {
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$("#node-input-property").val("payload");
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}
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$("#node-input-property").typedInput({default:'msg',types:['msg']});
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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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$("#node-over2").html("");
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$("#row-input-reduce").hide();
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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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$("#row-input-reduce").show();
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}
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});
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$("#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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80
node_modules/node-red-node-smooth/17-smooth.js
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80
node_modules/node-red-node-smooth/17-smooth.js
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module.exports = function(RED) {
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"use strict";
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function SmoothNode(n) {
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RED.nodes.createNode(this, n);
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this.action = n.action;
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this.round = n.round || false;
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if (this.round == "true") { this.round = 0; }
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this.count = Number(n.count);
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this.mult = n.mult || "single";
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this.reduce = n.reduce || false;
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this.property = n.property || "payload";
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var node = this;
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var v = {};
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this.on('input', function (msg) {
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var value = RED.util.getMessageProperty(msg,node.property);
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var top = msg.topic || "_my_default_topic";
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var reduce = node.reduce;
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if (this.mult === "single") { top = "a"; }
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if ((v.hasOwnProperty(top) !== true) || msg.hasOwnProperty("reset")) {
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v[top] = {};
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v[top].a = [];
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v[top].tot = 0;
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v[top].tot2 = 0;
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v[top].pop = 0;
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v[top].old = null;
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v[top].count = this.count;
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v[top].iter = 0;
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}
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if (value !== undefined) {
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var n = Number(value);
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if (!isNaN(n)) {
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v[top].iter++;
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if ((node.action === "low") || (node.action === "high")) {
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if (v[top].old == null) { v[top].old = n; }
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v[top].old = v[top].old + (n - v[top].old) / v[top].count;
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if (node.action === "low") { value = v[top].old; }
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else { value = n - v[top].old; }
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reduce = false;
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}
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else {
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v[top].a.push(n);
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if (v[top].a.length > v[top].count) { v[top].pop = v[top].a.shift(); }
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if (node.action === "max") {
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value = Math.max.apply(Math, v[top].a);
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}
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if (node.action === "min") {
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value = Math.min.apply(Math, v[top].a);
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}
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if (node.action === "mean") {
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v[top].tot = v[top].tot + n - v[top].pop;
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value = v[top].tot / v[top].a.length;
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}
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if (node.action === "sd") {
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v[top].tot = v[top].tot + n - v[top].pop;
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v[top].tot2 = v[top].tot2 + (n*n) - (v[top].pop * v[top].pop);
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if (v[top].a.length > 1) {
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value = Math.sqrt((v[top].a.length * v[top].tot2 - v[top].tot * v[top].tot)/(v[top].a.length * (v[top].a.length - 1)));
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}
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else { value = 0; }
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}
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}
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if (node.round !== false) {
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value = Math.round(value * Math.pow(10, node.round)) / Math.pow(10, node.round);
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}
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if (reduce == false || v[top].iter == v[top].count) {
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v[top].iter = 0;
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RED.util.setMessageProperty(msg,node.property,value);
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node.send(msg);
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}
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}
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else { node.log("Not a number: " + value); }
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} // ignore msg with no payload property.
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});
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}
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RED.nodes.registerType("smooth", SmoothNode);
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}
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14
node_modules/node-red-node-smooth/LICENSE
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14
node_modules/node-red-node-smooth/LICENSE
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Copyright 2016 JS Foundation and other contributors, https://js.foundation/
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Copyright 2013-2016 IBM Corp.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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39
node_modules/node-red-node-smooth/README.md
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39
node_modules/node-red-node-smooth/README.md
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node-red-node-smooth
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====================
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A <a href="http://nodered.org" target="_new">Node-RED</a> node that provides
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several simple smoothing algorithms for incoming data values. These include
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- Minimum
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- Maximum
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- Mean
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- Standard Deviation
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- High Pass Smoothing
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- Low Pass Smoothing
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Install
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-------
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Run the following command in your Node-RED user directory - typically `~/.node-red`
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npm install node-red-node-smooth
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Usage
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-----
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A simple node to provide various functions across several previous values,
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including max, min, mean, standard deviation, high and low pass filters.
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Max, Min, Mean and Standard Deviation work over a rolling window, based on a
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specified number of previous values.
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The High and Low pass filters use a smoothing factor. The higher the number
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the more the smoothing. E.g. a value of 10 is similar to an α of 0.1.
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It is analogous to an RC time constant - but there is no time component to
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this as the code is based on events arriving.
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If `msg.reset` is received (with any value), all the counters and intermediate values are reset to an initial state.
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**Note:** This node only operates on **numbers**. Anything else will try to be
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made into a number and rejected if that fails.
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BIN
node_modules/node-red-node-smooth/icons/smooth.png
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BIN
node_modules/node-red-node-smooth/icons/smooth.png
generated
vendored
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Binary file not shown.
|
After Width: | Height: | Size: 725 B |
24
node_modules/node-red-node-smooth/package.json
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24
node_modules/node-red-node-smooth/package.json
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{
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"name" : "node-red-node-smooth",
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"version" : "0.1.2",
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"description" : "A Node-RED node that provides several simple smoothing algorithms for incoming data values.",
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"dependencies" : {
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},
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"repository" : {
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"type":"git",
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"url":"https://github.com/node-red/node-red-nodes/tree/master/function/smooth"
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},
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"license": "Apache-2.0",
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"keywords": [ "node-red", "smooth", "average", "standard deviation" ],
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"node-red" : {
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"nodes" : {
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"smooth": "17-smooth.js"
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}
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},
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"author": {
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"name": "Dave Conway-Jones",
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"email": "ceejay@vnet.ibm.com",
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"url": "http://nodered.org"
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},
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"contributors" : [ "@clickworkorange" ]
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}
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