[dygraphs.git] / tests / daylight-savings.html

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
    <title>Daylight Savings</title>
    <!--[if IE]>
    <script type="text/javascript" src="../excanvas.js"></script>
    <![endif]-->
    <!--
    For production (minified) code, use:
    <script type="text/javascript" src="dygraph-combined.js"></script>
    -->
    <script type="text/javascript" src="../dygraph-dev.js"></script>

    <style>
      body {
        max-width: 1024px;
      }
    </style>

  </head>
  <body>
    <h2>DST</h2>
    <p>This tests that tick marks don't break when the axis crosses into
    daylight savings time.</p>

    <div id="demodiv"></div>

    <p>The tick marks should all be on day boundaries or nice hours (6, 12, 18),
    rather than on odd time boundaries like 5, 11, 17 and 23.</p>

    <hr/>
    <div id="chart2"></div>
    <p>This chart shows a continuous line going across the "fall back" EST/EDT event. You may need to switch your computer's time zone to Eastern to see this. The x-axis tick marks go from 01:00 &rarr; 01:55 and then back to 01:00.</p>

    <hr/>
    <div id="chart3"></div>
    <p>This chart is analogous to the first, except at a "spring forward".</p>

    <hr/>
    <div id="chart4"></div>
    <p>This chart shows a continuous series which crosses a "spring forward". The x-axis ticks should skip from 1:55AM to 3:00AM.</p>

    <script type="text/javascript">
      g = new Dygraph(
              document.getElementById("demodiv"),
"Date/Time,Purchases\n" +
"2010-11-05 00:00:00,167082\n" +
"2010-11-06 00:00:00,168571\n" +
"2010-11-07 00:00:00,177796\n" +
"2010-11-08 00:00:00,165587\n" +
"2010-11-09 00:00:00,164380\n",
          {
            width: 1024
          }
          );

      // Generate data which crosses the EST/EDT boundary.
      var dst_data = [];
      var base_ms = 1383454200000;
      for (var x = base_ms; x < base_ms + 1000 * 60 * 80; x += 1000) {
        dst_data.push([new Date(x), x]);
      }

      g2 = new Dygraph(
              document.getElementById("chart2"),
              dst_data,
          { width: 1024, labels: ['Date', 'Value'] }
          );

      g3 = new Dygraph(
              document.getElementById("chart3"),
"Date/Time,Purchases\n" +
"2011-03-11 00:00:00,167082\n" +
"2011-03-12 00:00:00,168571\n" +
"2011-03-13 00:00:00,177796\n" +
"2011-03-14 00:00:00,165587\n" +
"2011-03-15 00:00:00,164380\n",
          {
            width: 1024,
            dateWindow: [1299989043119.4365, 1300080693627.4866]
          }
          );

      var base_ms_spring = 1299999000000;
      var dst_data_spring = [];
      for (var x = base_ms_spring; x < base_ms_spring + 1000 * 60 * 80; x += 1000) {
        dst_data_spring.push([new Date(x), x]);
      }

      g4 = new Dygraph(
          document.getElementById("chart4"),
          dst_data_spring,
          { width: 1024, labels: ['Date', 'Value'] }
      );

    </script>
</body>
</html>
Commit	Line	Data
54425b14	1	<!DOCTYPE html>
d1bce5a0 DV	2	<html>
d1bce5a0 DV	3	<head>
10494b48	4	<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
d1bce5a0 DV	5	<title>Daylight Savings</title>
	6	<!--[if IE]>
	7	<script type="text/javascript" src="../excanvas.js"></script>
	8	<![endif]-->
7e5ddc94 DV	9	<!--
	10	For production (minified) code, use:
	11	<script type="text/javascript" src="dygraph-combined.js"></script>
	12	-->
	13	<script type="text/javascript" src="../dygraph-dev.js"></script>
	14
0b4cf8f0 DV	15	<style>
	16	body {
	17	max-width: 1024px;
	18	}
	19	</style>
	20
d1bce5a0 DV	21	</head>
	22	<body>
	23	<h2>DST</h2>
	24	<p>This tests that tick marks don't break when the axis crosses into
	25	daylight savings time.</p>
	26
	27	<div id="demodiv"></div>
	28
35a3b119 DV	29	<p>The tick marks should all be on day boundaries or nice hours (6, 12, 18),
	30	rather than on odd time boundaries like 5, 11, 17 and 23.</p>
	31
fef315fe DV	32	<hr/>
fef315fe DV	33	<div id="chart2"></div>
ad9515f8	34	<p>This chart shows a continuous line going across the "fall back" EST/EDT event. You may need to switch your computer's time zone to Eastern to see this. The x-axis tick marks go from 01:00 → 01:55 and then back to 01:00.</p>
fef315fe	35
0b4cf8f0 DV	36	<hr/>
	37	<div id="chart3"></div>
	38	<p>This chart is analogous to the first, except at a "spring forward".</p>
	39
	40	<hr/>
	41	<div id="chart4"></div>
ad9515f8	42	<p>This chart shows a continuous series which crosses a "spring forward". The x-axis ticks should skip from 1:55AM to 3:00AM.</p>
0b4cf8f0	43
d1bce5a0 DV	44	<script type="text/javascript">
	45	g = new Dygraph(
	46	document.getElementById("demodiv"),
	47	"Date/Time,Purchases\n" +
	48	"2010-11-05 00:00:00,167082\n" +
	49	"2010-11-06 00:00:00,168571\n" +
	50	"2010-11-07 00:00:00,177796\n" +
	51	"2010-11-08 00:00:00,165587\n" +
35a3b119	52	"2010-11-09 00:00:00,164380\n",
0f9bf369 DV	53	{
	54	width: 1024
	55	}
d1bce5a0	56	);
fef315fe DV	57
	58	// Generate data which crosses the EST/EDT boundary.
	59	var dst_data = [];
ad9515f8 DV	60	var base_ms = 1383454200000;
ad9515f8 DV	61	for (var x = base_ms; x < base_ms + 1000 * 60 * 80; x += 1000) {
fef315fe DV	62	dst_data.push([new Date(x), x]);
	63	}
	64
0b4cf8f0	65	g2 = new Dygraph(
fef315fe DV	66	document.getElementById("chart2"),
	67	dst_data,
	68	{ width: 1024, labels: ['Date', 'Value'] }
	69	);
0b4cf8f0 DV	70
	71	g3 = new Dygraph(
	72	document.getElementById("chart3"),
	73	"Date/Time,Purchases\n" +
	74	"2011-03-11 00:00:00,167082\n" +
	75	"2011-03-12 00:00:00,168571\n" +
	76	"2011-03-13 00:00:00,177796\n" +
	77	"2011-03-14 00:00:00,165587\n" +
	78	"2011-03-15 00:00:00,164380\n",
	79	{
	80	width: 1024,
	81	dateWindow: [1299989043119.4365, 1300080693627.4866]
	82	}
	83	);
	84
ad9515f8	85	var base_ms_spring = 1299999000000;
0b4cf8f0	86	var dst_data_spring = [];
ad9515f8	87	for (var x = base_ms_spring; x < base_ms_spring + 1000 * 60 * 80; x += 1000) {
0b4cf8f0 DV	88	dst_data_spring.push([new Date(x), x]);
	89	}
	90
	91	g4 = new Dygraph(
	92	document.getElementById("chart4"),
	93	dst_data_spring,
	94	{ width: 1024, labels: ['Date', 'Value'] }
	95	);
	96
d1bce5a0 DV	97	</script>
	98	</body>
	99	</html>