Anonymous avatar Anonymous committed e4c10a0

Aded example for (error) bands on series.

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examples/bandedLine.html

+<!DOCTYPE html>
+<html>
+ <head>
+     
+  <link rel="stylesheet" type="text/css" href="examples.css" />
+  <!--[if lt IE 9]><script language="javascript" type="text/javascript" src="../src/excanvas.js"></script><![endif]-->
+    <link rel="stylesheet" type="text/css" href="../src/jquery.jqplot.css" />
+    <script src="../src/jquery.js" type="text/javascript"></script>
+    <script language="javascript" type="text/javascript" src="../src/jquery.jqplot.js"></script>
+
+    <script language="javascript" type="text/javascript" src="../src/plugins/jqplot.highlighter.js"></script>
+    <script language="javascript" type="text/javascript" src="../src/plugins/jqplot.cursor.js"></script>
+    <script language="javascript" type="text/javascript" src="../src/plugins/jqplot.pointLabels.js"></script>
+
+ <style type="text/css">
+    .jqplot-target {
+        margin-bottom: 50px;
+    }
+    
+    pre.code {
+        background: #D8F4DC;
+        border: 1px solid rgb(200, 200, 200);
+        padding-top: 1em;
+        padding-left: 3em;
+        padding-bottom: 1em;
+        margin-top: 1em;
+        margin-bottom: 70px;
+        
+    }
+    
+    p {
+        margin: 2em 0;
+    }
+    
+    .note {
+        font-size: 0.8em;
+    }
+
+    .jqplot-breakTick {
+        
+    }
+  </style>
+
+<script class="code" type="text/javascript">
+$(document).ready(function(){
+    // data points for line.
+    dat = [[0, 10], [1, 11], [2, 10], [3, 15], [4, 13], [5, 15]];
+
+    // band data in [[low_y_1, hi_y_1], [low_y_2, hi_y_2],...] format
+    bdat = [[7, 13], [8, 14], [7, 13], [12, 18], [10, 16], [12, 18]];
+
+    plot1 = $.jqplot('chart1', [dat], $.extend(true, {}, myTheme, {
+        series: [{
+            rendererOptions: {
+                // Set the band data on the series.
+                // Bands will be turned on automatically if
+                // valid band data is present.
+                bandData: bdat
+            }
+        }]
+    }));
+});
+
+</script>
+
+
+<script class="code" type="text/javascript">
+
+$(document).ready(function(){
+    // here band data specified as an array of [low y values] and [hi y values]
+    bdat = [[7, 8, 7, 12, 10, 12], [13, 14, 13, 18, 16, 18]];
+
+    // Same plot as before with different band data specification and smoothed lines.
+    plot2 = $.jqplot('chart2', [dat], $.extend(true, {}, myTheme, {
+        series: [
+        {
+            rendererOptions: {
+                bandData: bdat,
+
+                // turn on smoothing
+                smooth: true
+            }
+        }]
+    }));
+});
+
+</script>
+
+<script class="code" type="text/javascript">
+$(document).ready(function(){
+    plot3 = $.jqplot('chart3', [dat], $.extend(true, {}, myTheme, {
+        series: [{
+            rendererOptions: {
+                bands: {
+                    // draw bands at 1.7 "units" above and below line.
+                    interval: 1.7
+                },
+                smooth: true
+            }
+        }]
+    }));
+});
+
+</script>
+
+<script class="code" type="text/javascript">
+$(document).ready(function(){
+    plot4 = $.jqplot('chart4', [dat], $.extend(true, {}, myTheme, {
+        series: [{
+            rendererOptions: {
+                bands: {
+                    // draw interval at 10% above and below line.
+                    interval: '10%'
+                },
+                smooth: true
+            }
+        }]
+    }));
+});
+</script>
+
+<script class="code" type="text/javascript">
+$(document).ready(function(){
+    plot5 = $.jqplot('chart5', [dat], $.extend(true, {}, myTheme, {
+        series: [{
+            rendererOptions: {
+                bands: {
+                    // draw interval at 3 units above and 10% below line.
+                    interval: [3, '-10%']
+                },
+                smooth: true
+            }
+        }]
+    }));
+});
+</script>
+
+<script class="code" type="text/javascript">
+$(document).ready(function(){
+    plot6 = $.jqplot('chart6', [dat], $.extend(true, {}, myTheme, {
+        series: [{
+            rendererOptions: {
+                bands: {
+                    // draw interval at 3 units above and 10% below line.
+                    interval: 4,
+                    fillColor: 'rgba(198, 88, 88, 0.6)',
+                    showLines: true
+                },
+
+                // highlight the band on mouse down, not on mouse over.
+                highlightMouseDown: true,
+                smooth: true
+            }
+        }]
+    }));
+});
+</script>
+
+
+<script type="text/javascript">    
+    $(document).ready(function(){
+        $('script.code').each(function(index) {
+            $('pre.code').eq(index).text($(this).html());
+        });
+        $('script.common').each(function(index) {
+            $('pre.common').eq(index).html($(this).html());
+        });
+        $(document).unload(function() {$('*').unbind(); });
+    });
+</script>
+
+<script class="code" type="text/javascript">
+///////
+// A default set of reusable plot options.  Note that line
+// smoothing is turned on.  Bands will be drawn with the same 
+// smoothing as the line.
+//////
+var myTheme = {
+  grid: {
+      drawBorder: false,
+      shadow: false,
+      background: 'rgba(255, 255, 255, 0.0)'
+  },
+  seriesDefaults: {
+    shadow: false,
+    showMarker: false,
+  },
+  axes: {
+      xaxis: {
+          pad: 1.0,
+          tickOptions: {
+              showGridline: false
+          }
+      },
+      yaxis: {
+          pad: 1.05
+      }
+  }
+};
+</script>
+
+ </head>
+ <body>
+<?php include "nav.inc"; ?>
+
+<p>Bands (like confidence intervals or error bands) can be added to line charts through the "bands" option of the line renderer.  The band data can be automatically computed or manually assigned.  If assigned manually, the simpliest approach is to set the "rendererOptions: { bandData: [] }" array on the series.  Note that band data is taken into account when axes scale themselves so bands will not get clipped.</p>
+
+ <div id="chart1" style="height:300px; width:600px;"></div>
+    <pre class="code"></pre>
+
+<p>The band data array is flexible.  It can be specified as an array of [low, hi] arrays (as above) or as an array of [low values], [hi values].  Additionally, the order of low/hi values does not matter as long as they are consistent.  jqPlot will figure out which is the low values and which are the high values.  Note that Bands applied to smoothed lines will also be smoothed.</p>
+
+ <div id="chart2" style="height:300px; width:600px;"></div>
+    <pre class="code"></pre>
+
+<p>Band data does not have to be provided.  By default, jqPlot will compute +/- 3% band intervals if the "rendererOptions: { bands: { show: true } }" option is set.  The band intervals can be customized as well through the "rendererOptions: { bands: { interval: [number|string|arry] } }" option.  Valid intervals are:</p>
+
+<ul>
+<li> '1.7' - will add bands at y +/- 1.7 above and below the line.</li>
+<li> '10%' - will compute +/- 10% interval bands.</li>
+<li> [3, '-10%'] - will add bands at y + 3 and y - 10% above and below the line.</li>
+</ul>
+
+<p>Examples of such interval specifications are shown below:</p>
+
+ <div id="chart3" style="height:300px; width:600px;"></div>
+    <pre class="code"></pre>
+ <div id="chart4" style="height:300px; width:600px;"></div>
+    <pre class="code"></pre>
+
+ <div id="chart5" style="height:300px; width:600px;"></div>
+    <pre class="code"></pre>
+    
+<p>You can also customize the fill color of the bands and turn on/off band lines.  By default, bands respond to the mouse over event, but they can be set to respond to mouse down as well.</p>
+ <div id="chart6" style="height:300px; width:600px;"></div>
+    <pre class="code"></pre>
+
+<p>Note, the plots on this page all extend the following pre-defined theme:</p>
+
+    <pre class="code"></pre>
+
+ </body>
+ </html>
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