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node-red/nodes/core/logic/16-range.html

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<!--
Copyright 2013 IBM Corp.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<script type="text/x-red" data-template-name="range">
<div class="form-row">
Re-map input values between<br/>
<input type="text" id="node-input-minin" placeholder="0" style="width:35%;"/>
and
<input type="text" id="node-input-maxin" placeholder="256" style="width:35%;"/>
</div>
<div class="form-row">
to be between<br/>
<input type="text" id="node-input-minout" placeholder="0" style="width:35%;"/>
and
<input type="text" id="node-input-maxout" placeholder="100" style="width:35%;"/>
</div>
<div class="form-row">
and <select id="node-input-action" style="width:90%; margin-right:5px;">
<option value="scale">try to scale if outside this range</option>
<option value="clamp">clamp to max and min values of this range</option>
<option value="roll">perform modulus to keep within this range</option>
</select>
</div>
<div class="form-row">
<label for="node-input-round" style="width:200px;">Round to nearest integer ?</label>
<input type="checkbox" id="node-input-round" style="display: inline-block; width: auto; vertical-align: top;">
</div>
<br/>
<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>
<div class="form-tips" id="node-tip">Tip: This node ONLY works with numbers.</div>
</script>
<script type="text/x-red" data-help-name="range">
<p>A simple function node to remap numeric input values to another scale.</p>
<p>Currently only does a linear scaling.</p>
<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>
</script>
<script type="text/javascript">
RED.nodes.registerType('range', {
color: "#E2D96E",
category: 'function',
defaults: {
minin: {value:"",required:true,validate:RED.validators.number()},
maxin: {value:"",required:true,validate:RED.validators.number()},
minout: {value:"",required:true,validate:RED.validators.number()},
maxout: {value:"",required:true,validate:RED.validators.number()},
action: {value:"scale"},
round: {value:false},
name: {value:""}
},
inputs: 1,
outputs: 1,
icon: "range.png",
label: function() {
return this.name || "range";
},
labelStyle: function() {
return this.name ? "node_label_italic" : "";
}
});
</script>