plot-pc-set/index.html at master · jsgoyette/plot-pc-set · GitHub

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8"/>
  <title>plot-pc-set.js</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
  <link rel="stylesheet" href="css/bootstrap.min.css">
  <style>
    body {
      padding-top: 60px;
    }
    #ribbon {
      position: absolute;
      top: 0;
      right: 0;
      border: 0;
    }
  </style>
</head>
<body>
  <a href="https://github.com/jsgoyette"><img id="ribbon" src="css/forkme_right_white_ffffff.png" alt="Fork me on GitHub"></a>
  <div class="container">
    <h2>plot-pc-set.js</h2>
    <div class="row">
      <div class="span4">
        <div class="well">
          <form id="pcsform">
            <label>Pitch classes</label>
            <input type="text" id="pcs" class="span3" value="11 6 9 11 11 1"><br>
            <label>Number of fixed pcs</label>
            <input type="text" id="fixed" class="span1" value="1"><br>
            <button type="submit" class="btn">Plot</button><br>
          </form>
        </div>
        <div class="well">
          <form id="tnform">
            <label>Transpose</label>
            <input type="text" id="tn" class="span1" value="3"><br>
            <button id="transbutton" class="btn">Transpose</button>
          </form>
        </div>
        <div class="well">
          <form id="invform">
            <label>Invert at index</label>
            <input type="text" id="in" class="span1" value="10"><br>
            <button id="invbutton" class="btn">Invert</button>
          </form>
        </div>
      </div>
      <div class="span2">&nbsp;</div>
      <div class="span6">
        <div id="canvas_container"></div>
      </div>
    </div>
  </div>
  <script src="js/ready.min.js" type="text/javascript"></script>
  <script src="js/raphael-min.js" type="text/javascript"></script>
  <script src="js/plot-pc-set.min.js" type="text/javascript"></script>
  <script type="text/javascript">

    // first, a little selector function
    var byId = function (id) {
        return document.getElementById(id);
    };

    // a function to turn pc string into array
    function pcstr2pcs(mod, pstr) {
      var arr, outarr = [];
      pstr = pstr.replace(/,/g," ");
      pstr = pstr.replace(/_/g," ");
      pstr = pstr.replace(/^\s+|\s+$/g,'').replace(/\s+/g,' ');
      if (pstr == "") return [];
      arr = pstr.split(' ');
      for (x in arr) {
        if (!isNaN(arr[x])) {
          outarr.push(+arr[x]);
        }
      }
      for (x in outarr) {
        while (outarr[x] >= mod)
          outarr[x] -= mod;
        while (outarr[x] < 0)
          outarr[x] += mod;
      }
      return outarr;
    }

    // SETUP
    // initialize setGraph using the id of the element in which the canvas will appear
    var sg = setGraph('canvas_container');

    // optional adjustments
    /*sg.configure({
      'mod': 12,
      'radius':120,
      'padding':10,
      'ticksize':4,
      'dotsize':5,
    });*/
    sg.configure({
      'dotclick': function () {
        var r = this.attr('r');
        this.animate({'r': r * 2}, 200, function () {
          this.animate({'r': r}, 400);
        });
      }
    });

    var showpcs = function () {
      byId('pcs').value = sg.getpcs().join(" ");
    };

    var engage = function () {
      // get the pitch classes from the input
      var pcstr = byId('pcs').value;
      var fixed = byId('fixed').value;
      // convert string to array
      var pcs = pcstr2pcs(12, pcstr);
      // plot the pcs (the first of which are fixed)
      sg.plotpcs(pcs, +fixed);
    };

    domready(function() {

      // draw the set
      engage();

      // Most of the action functions of setGraph (transpose, animTranpose, invert, animInvert, and
      // animDirect) each take as the first argument the level of transposition or the index of
      // inversion, and can also take a second argument that is a callback function. animDirect
      // instead takes as the first argument the transformation to be executed. animTranspose and
      // animInvert have two callbacks, one at each step of the animation and one at the end, but
      // the other functions only have one callback, which is fired only upon completion.
      setTimeout(function() {
        sg.animTranspose(3, showpcs);
        setTimeout(function() {
          sg.animInvert(0, showpcs);
          setTimeout(function() {
            sg.animDirect('invert', 10, showpcs);
            setTimeout(function() {
              sg.animDirect('transpose', 6, showpcs);
            }, 1500);
          }, 1500);
        }, 1500);
      }, 1500);

      // set up listeners
      byId('pcsform').onsubmit = function() {
        engage();
        return false;
      };
      byId('tnform').onsubmit = function() {
        sg.animTranspose(byId('tn').value, showpcs);
        return false;
      };
      byId('invform').onsubmit = function() {
        sg.animDirect('invert', byId('in').value, showpcs);
        return false;
      };
      byId('pcs').focus();

    });
  </script>
</body>
</html>