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- <title>Line Charts and Options</title>
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- <!-- Example scripts go here -->
- <p>The most basic jqPlot chart takes a series of data and plots a line. No options need to be supplied. Data is passed in as an array of series. A series can be either an array of y values or an array of [x,y] data pairs. If y values only, x values are assigned like 1, 2, 3, ... Note, for this plot you don't need any plugins.</p>
- <div id="chart1" style="height:300px; width:500px;"></div>
- <pre class="code prettyprint brush: js"></pre>
- <p>The following plot uses a number of options to set the title, add axis labels, and shows how to use the canvasAxisLabelRenderer plugin to provide rotated axis labels.</p>
- <div id="chart2" style="height:300px; width:500px;"></div>
- <pre class="code prettyprint brush: js"></pre>
- <p>There are numerous line style options to control how the lines and markers are displayed.</p>
- <div id="chart3" style="height:300px; width:500px;"></div>
- <pre class="code prettyprint brush: js"></pre>
-
- <script class="code" type="text/javascript">
- $(document).ready(function(){
- var plot1 = $.jqplot ('chart1', [[3,7,9,1,5,3,8,2,5]]);
- });
- </script>
-
- <script class="code" type="text/javascript">
- $(document).ready(function(){
- var plot2 = $.jqplot ('chart2', [[3,7,9,1,5,3,8,2,5]], {
- // Give the plot a title.
- title: 'Plot With Options',
- // You can specify options for all axes on the plot at once with
- // the axesDefaults object. Here, we're using a canvas renderer
- // to draw the axis label which allows rotated text.
- axesDefaults: {
- labelRenderer: $.jqplot.CanvasAxisLabelRenderer
- },
- // Likewise, seriesDefaults specifies default options for all
- // series in a plot. Options specified in seriesDefaults or
- // axesDefaults can be overridden by individual series or
- // axes options.
- // Here we turn on smoothing for the line.
- seriesDefaults: {
- rendererOptions: {
- smooth: true
- }
- },
- // An axes object holds options for all axes.
- // Allowable axes are xaxis, x2axis, yaxis, y2axis, y3axis, ...
- // Up to 9 y axes are supported.
- axes: {
- // options for each axis are specified in seperate option objects.
- xaxis: {
- label: "X Axis",
- // Turn off "padding". This will allow data point to lie on the
- // edges of the grid. Default padding is 1.2 and will keep all
- // points inside the bounds of the grid.
- pad: 0
- },
- yaxis: {
- label: "Y Axis"
- }
- }
- });
- });
- </script>
-
- <script class="code" type="text/javascript">
- $(document).ready(function(){
- // Some simple loops to build up data arrays.
- var cosPoints = [];
- for (var i=0; i<2*Math.PI; i+=1){
- cosPoints.push([i, Math.cos(i)]);
- }
-
- var sinPoints = [];
- for (var i=0; i<2*Math.PI; i+=0.4){
- sinPoints.push([i, 2*Math.sin(i-.8)]);
- }
-
- var powPoints1 = [];
- for (var i=0; i<2*Math.PI; i+=1) {
- powPoints1.push([i, 2.5 + Math.pow(i/4, 2)]);
- }
-
- var powPoints2 = [];
- for (var i=0; i<2*Math.PI; i+=1) {
- powPoints2.push([i, -2.5 - Math.pow(i/4, 2)]);
- }
- var plot3 = $.jqplot('chart3', [cosPoints, sinPoints, powPoints1, powPoints2],
- {
- title:'Line Style Options',
- // Set default options on all series, turn on smoothing.
- seriesDefaults: {
- rendererOptions: {
- smooth: true
- }
- },
- // Series options are specified as an array of objects, one object
- // for each series.
- series:[
- {
- // Change our line width and use a diamond shaped marker.
- lineWidth:2,
- markerOptions: { style:'dimaond' }
- },
- {
- // Don't show a line, just show markers.
- // Make the markers 7 pixels with an 'x' style
- showLine:false,
- markerOptions: { size: 7, style:"x" }
- },
- {
- // Use (open) circlular markers.
- markerOptions: { style:"circle" }
- },
- {
- // Use a thicker, 5 pixel line and 10 pixel
- // filled square markers.
- lineWidth:5,
- markerOptions: { style:"filledSquare", size:10 }
- }
- ]
- }
- );
-
- });
- </script>
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- <!-- Additional plugins go here -->
- <script class="include" type="text/javascript" src="../plugins/jqplot.canvasTextRenderer.min.js"></script>
- <script class="include" type="text/javascript" src="../plugins/jqplot.canvasAxisLabelRenderer.min.js"></script>
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