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index.html
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<!DOCTYPE html>
<html lang="en">
<head id="head">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" type="text/css" href="style.css">
<script src="main.js"></script>
<script src="canvas.js"></script>
<script src="parameters.js"></script>
<script src="piano.js"></script>
<script src="presets.js"></script>
<script src="buildPiano.js"></script>
<title>Shape of Chords</title>
</head>
<body>
<div id='welcome'>
<h1>Shape of Chords</h1>
<p>
Visualize chords on the complex plane using Fourier transform at root frequency.
</p>
<p>
Source code: <a href="https://github.com/daniel-chin/shape-of-chords" target="_blank">github.com/daniel-chin/shape-of-chords</a>
</p>
<p>
Author: Daniel Chin
</p>
<button id="play-button" onclick="userInteract();">Play</button>
<p>
2020-5-9 note: The site is now open to <b>chord nominations</b>! Post your favorite chords to <a href="mailto:[email protected]">[email protected]</a>
</p>
</div>
<div id="main">
<div class="upper">
<div class="left" id="canvas-div">
</div>
<div class="right">
<div class="menu" id="category-menu">
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="category" value="note" />Note
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="category" value="interval" checked />Interval
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="category" value="chord" />Chord
</span>
</div>
<div class="menu" id="note-menu">
Note, in number of halfsteps<br/>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="0" />0
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="1" />1
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="2" />2
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="3" />3
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="4" />4
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="5" />5
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="6" />6
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="7" />7
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="8" />8
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="9" />9
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="10" />10
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="11" />11
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="12" />12
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="note" value="24" />24
</span>
<span class='radio-span'>
</div>
<div class="menu" id="interval-menu">
Interval<br/>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="0" />Unison
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="1" />Minor 2nd
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="2" />Major 2nd
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="3" />Minor 3rd
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="4" />Major 3rd
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="5" />Perfect 4th
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="6" />Dim 5th/Aug 4th
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="7" checked />Perfect 5th
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="8" />Minor 6th
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="9" />Majot 6th
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="10" />Minor 7th
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="11" />Majot 7th
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="12" />Octave
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="interval" value="24" />Octave 2
</span>
</div>
<div class="menu" id="chord-menu">
Chord<br/>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="maj" />Maj
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="min" />Min
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="aug" />Aug
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="dim" />Dim
</span>
<br />
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="7 " />7
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="Maj7 " />Maj7
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="Maj9 " />Maj9
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="Add2 " />Add2
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="MinAdd2 " />MinAdd2
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="11(omit3, omit5)" />B/C=11(omit3, omit5)
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="13 " />13
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="sus4 " />sus4
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="sus2 " />sus2
</span>
<span class='radio-span'>
<input type="radio" onchange="onMenuChange();" name="chord" value="Maj13(#11) " />Maj13(#11)
</span>
</div>
<div class="menu" id="negative-menu">
Inversion<br/>
<input type="radio" onchange="onMenuChange();" name="negative" value="-1" />-1
<input type="radio" onchange="onMenuChange();" name="negative" value="+1" checked />+1
</div>
<div class="menu" id="inversion-menu">
Inversion<br/>
<input type="radio" onchange="onMenuChange();" name="inversion" value="1" checked />First
<input type="radio" onchange="onMenuChange();" name="inversion" value="2" />Second
<input type="radio" onchange="onMenuChange();" name="inversion" value="3" />Third
</div>
<div class="menu" id="justin-para">
Tuning <br />
<span class='radio-span'>
<input type="radio" onchange="onParaChange();" name="justin" value="false" />Equal temperament
</span>
<span class='radio-span'>
<input type="radio" onchange="onParaChange();" name="justin" value="true" checked />Just intonation (relative to root)
</span>
</div>
<div class="menu" id="trace-para">
Trace speed <br />
<input type="radio" onchange="onParaChange();" name="trace" value="0.1" />.1
<input type="radio" onchange="onParaChange();" name="trace" value="0.2097" checked />.2097
<input type="radio" onchange="onParaChange();" name="trace" value="0.5234" />.5234
</div>
<div class="menu" id="decay-para">
Stroke decay <br />
<input type="radio" onchange="onParaChange();" name="decay" value="0" />0
<input type="radio" onchange="onParaChange();" name="decay" value="0.002" />.002
<input type="radio" onchange="onParaChange();" name="decay" value="0.005" checked />.005
<input type="radio" onchange="onParaChange();" name="decay" value="0.01" />.01
</div>
<div class="menu" id="rotate-para">
Amp rotation <br />
<input type="radio" onchange="onParaChange();" name="rotate" value="true" />On
<input type="radio" onchange="onParaChange();" name="rotate" value="false" checked />Off
</div>
</div>
</div>
<div id="keyboard" class="lower">
</div>
</div>
</body>
</html>