examples/tipsy/tipsy-line.html

<!DOCTYPE html>
<html>
  <head>
    <title>Tipsy Line</title>
    <script type="text/javascript" src="../../protovis.js"></script>
    <script src="../jquery-1.4.2.min.js" type="text/javascript"></script>
    <script src="jquery.tipsy.js" type="text/javascript"></script>
    <script src="tipsy.js" type="text/javascript"></script>
    <link href="tipsy.css" type="text/css" rel="stylesheet"/>
    <style type="text/css">

body {
  font: 10px sans-serif;
}

    </style>
  </head>
  <body>
    <script type="text/javascript+protovis">

var data = pv.range(0, 10, .1).map(function(x) {
        return {x: x, y: Math.sin(x) + Math.random() * .5 + 2};
      }),
    w = 400,
    h = 200,
    x = pv.Scale.linear(data, function(d) d.x).range(0, w),
    y = pv.Scale.linear(0, 4).range(0, h);

var vis = new pv.Panel()
    .width(w)
    .height(h)
    .bottom(20)
    .left(20)
    .right(10)
    .top(5)
    .fillStyle("#fff")
    .event("mousemove", pv.Behavior.point(Infinity).collapse("y"));

vis.add(pv.Rule)
    .data(y.ticks())
    .visible(function() !(this.index % 2))
    .bottom(function(d) Math.round(y(d)) - .5)
    .strokeStyle("#eee")
  .anchor("left").add(pv.Label)
    .text(function(d) d.toFixed(1));

vis.add(pv.Rule)
    .data(x.ticks())
    .visible(function(d) d > 0)
    .left(function(d) Math.round(x(d)) - .5)
    .strokeStyle("#eee")
  .anchor("bottom").add(pv.Label)
    .text(function(d) d.toFixed());

vis.add(pv.Line)
    .data(data)
    .left(function(d) x(d.x))
    .bottom(function(d) y(d.y))
    .lineWidth(3)
    .text(function(d) d.x.toFixed(2) + ', ' + d.y.toFixed(2))
    .event("point", pv.Behavior.tipsy({gravity: 's'}));

vis.render();

    </script>
  </body>
</html>