Visualization: Scatter Chart

    Overview

    Scatter charts plot points on a graph. When the user hovers over the points, tooltips are displayed with more information.

    Google scatter charts are rendered within the browser using SVG or VML depending on browser capabilities.

    Example

     
    <html>
  <head>
    <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
    <script type="text/javascript">
      google.charts.load('current', {'packages':['corechart']});
      google.charts.setOnLoadCallback(drawChart);

      function drawChart() {
        var data = google.visualization.arrayToDataTable([
          ['Age', 'Weight'],
          [ 8,      12],
          [ 4,      5.5],
          [ 11,     14],
          [ 4,      5],
          [ 3,      3.5],
          [ 6.5,    7]
        ]);

        var options = {
          title: 'Age vs. Weight comparison',
          hAxis: {title: 'Age', minValue: 0, maxValue: 15},
          vAxis: {title: 'Weight', minValue: 0, maxValue: 15},
          legend: 'none'
        };

        var chart = new google.visualization.ScatterChart(document.getElementById('chart_div'));

        chart.draw(data, options);
      }
    </script>
  </head>
  <body>
    <div id="chart_div" style="width: 900px; height: 500px;"></div>
  </body>
</html>

    Changing and animating shapes

    By default, scatter charts represent the elements of your dataset with circles. You can specify other shapes with the pointShape option, detailed in the Customizing Points documentation.

    As with most other Google Charts, you can animate them using events . You can add an event listener for the first ready event and redraw the chart after making the desired modifications. After the first ready event, you can listen to the animationfinish event to repeat the process, resulting in a continuous animation. The animation option controls how the redraw occurs: immediately (no animation) or smoothly, and if smoothly how quickly and with what behavior.

    Good parts
      
 var 
  
 options 
  
 = 
  
 { 
  
 legend 
 : 
  
 'none' 
 , 
  
 colors 
 : 
  
 [ 
 '#087037' 
 ], 
  
  pointShape 
 : 
  
 'star' 
 , 
 
  
 pointSize 
 : 
  
 18 
 , 
  
  animation 
 : 
  
 { 
  
 duration 
 : 
  
 200 
 , 
  
 easing 
 : 
  
 'inAndOut' 
 , 
  
 } 
 
  
 }; 
  
 // Start the animation by listening to the first 'ready' event. 
  
  google 
 . 
 visualization 
 . 
 events 
 . 
 addOneTimeListener 
 ( 
 chart 
 , 
  
 'ready' 
 , 
  
 randomWalk 
 ); 
 
  
 // Control all other animations by listening to the 'animationfinish' event. 
  
  google 
 . 
 visualization 
 . 
 events 
 . 
 addListener 
 ( 
 chart 
 , 
  
 'animationfinish' 
 , 
  
 randomWalk 
 ); 
 
  
 ... 
  
  function 
  
 randomWalk 
 () 
  
 { 
 
  
 ... 
  
  }
    Full HTML
    < html 
>
< head 
>  
< script 
  
 type 
 = 
 "text/javascript" 
  
 src 
 = 
 "https://www.gstatic.com/charts/loader.js" 
>< / 
 script 
>  
< script 
  
 type 
 = 
 "text/javascript" 
>  
 google 
 . 
 charts 
 . 
 load 
 ( 
 "current" 
 , 
  
 { 
 packages 
 :[ 
 "corechart" 
 ]}); 
  
 google 
 . 
 charts 
 . 
 setOnLoadCallback 
 ( 
 drawChart 
 ); 
  
 function 
  
 drawChart 
 () 
  
 { 
  
 var 
  
 data 
  
 = 
  
 new 
  
 google 
 . 
 visualization 
 . 
 DataTable 
 (); 
  
 data 
 . 
 addColumn 
 ( 
 'number' 
 ); 
  
 data 
 . 
 addColumn 
 ( 
 'number' 
 ); 
  
 var 
  
 radius 
  
 = 
  
 100 
 ; 
  
 for 
  
 ( 
 var 
  
 i 
  
 = 
  
 0 
 ; 
  
 i 
 < 
 6.28 
 ; 
  
 i 
  
 += 
  
 0.1 
 ) 
  
 { 
  
 data 
 . 
 addRow 
 ([ 
 radius 
  
 * 
  
 Math 
 . 
 cos 
 ( 
 i 
 ), 
  
 radius 
  
 * 
  
 Math 
 . 
 sin 
 ( 
 i 
 )]); 
  
 } 
  
 // 
  
 Our 
  
 central 
  
 point 
 , 
  
 which 
  
 will 
  
 jiggle 
 . 
  
 data 
 . 
 addRow 
 ([ 
 0 
 , 
  
 0 
 ]); 
  
 var 
  
 options 
  
 = 
  
 { 
  
 legend 
 : 
  
 'none' 
 , 
  
 colors 
 : 
  
 [ 
 '#087037' 
 ], 
  
  pointShape 
 : 
  
 'star' 
 , 
 
  
 pointSize 
 : 
  
 18 
 , 
  
  animation 
 : 
  
 { 
  
 duration 
 : 
  
 200 
 , 
  
 easing 
 : 
  
 'inAndOut' 
 , 
  
 } 
 
  
 }; 
  
 var 
  
 chart 
  
 = 
  
 new 
  
 google 
 . 
 visualization 
 . 
 ScatterChart 
 ( 
 document 
 . 
 getElementById 
 ( 
 'animatedshapes_div' 
 )); 
  
 // 
  
 Start 
  
 the 
  
 animation 
  
 by 
  
 listening 
  
 to 
  
 the 
  
 first 
  
 'ready' 
  
 event 
 . 
  
 google 
 . 
 visualization 
 . 
 events 
 . 
 addOneTimeListener 
 ( 
 chart 
 , 
  
 'ready' 
 , 
  
 randomWalk 
 ); 
  
 // 
  
 Control 
  
 all 
  
 other 
  
 animations 
  
 by 
  
 listening 
  
 to 
  
 the 
  
 'animationfinish' 
  
 event 
 . 
  
 google 
 . 
 visualization 
 . 
 events 
 . 
 addListener 
 ( 
 chart 
 , 
  
 'animationfinish' 
 , 
  
 randomWalk 
 ); 
  
 chart 
 . 
 draw 
 ( 
 data 
 , 
  
 options 
 ); 
  
 function 
  
 randomWalk 
 () 
  
 { 
  
 var 
  
 x 
  
 = 
  
 data 
 . 
 getValue 
 ( 
 data 
 . 
 getNumberOfRows 
 () 
  
 - 
  
 1 
 , 
  
 0 
 ); 
  
 var 
  
 y 
  
 = 
  
 data 
 . 
 getValue 
 ( 
 data 
 . 
 getNumberOfRows 
 () 
  
 - 
  
 1 
 , 
  
 1 
 ); 
  
 x 
  
 += 
  
 5 
  
 * 
  
 ( 
 Math 
 . 
 random 
 () 
  
 - 
  
 0.5 
 ); 
  
 y 
  
 += 
  
 5 
  
 * 
  
 ( 
 Math 
 . 
 random 
 () 
  
 - 
  
 0.5 
 ); 
  
 if 
  
 ( 
 x 
  
 * 
  
 x 
  
 + 
  
 y 
  
 * 
  
 y 
 > 
 radius 
  
 * 
  
 radius 
 ) 
  
 { 
  
 // 
  
 Out 
  
 of 
  
 bounds 
 . 
  
 Bump 
  
 toward 
  
 center 
 . 
  
 x 
  
 += 
  
 Math 
 . 
 random 
 () 
  
 * 
  
 (( 
 x 
 < 
 0 
 ) 
  
 ? 
  
 5 
  
 : 
  
 - 
 5 
 ); 
  
 y 
  
 += 
  
 Math 
 . 
 random 
 () 
  
 * 
  
 (( 
 y 
 < 
 0 
 ) 
  
 ? 
  
 5 
  
 : 
  
 - 
 5 
 ); 
  
 } 
  
 data 
 . 
 setValue 
 ( 
 data 
 . 
 getNumberOfRows 
 () 
  
 - 
  
 1 
 , 
  
 0 
 , 
  
 x 
 ); 
  
 data 
 . 
 setValue 
 ( 
 data 
 . 
 getNumberOfRows 
 () 
  
 - 
  
 1 
 , 
  
 1 
 , 
  
 y 
 ); 
  
 chart 
 . 
 draw 
 ( 
 data 
 , 
  
 options 
 ); 
  
 } 
  
 } 
  
< / 
 script 
>  
< / 
 head 
>  
< body 
>  
< div 
  
 id 
 = 
 "animatedshapes_div" 
  
 style 
 = 
 "width: 500px; height: 500px;" 
>< / 
 div 
>  
< / 
 body 
>
< / 
 html 
>

    Creating Material scatter charts

    In 2014, Google announced guidelines intended to support a common look and feel across its properties and apps (such as Android apps) that run on Google platforms. We call this effort Material Design . We'll be providing "Material" versions of all our core charts; you're welcome to use them if you like how they look.

    Creating a Material Scatter Chart is similar to creating what we'll now call a "Classic" Scatter Chart. You load the Google Visualization API (although with the 'scatter' package instead of the 'corechart' package), define your datatable, and then create an object (but of class google.charts.Scatter instead of google.visualization.ScatterChart ).

    Note: Material Charts will not work in old versions of Internet Explorer. (IE8 and earlier versions don't support SVG, which Material Charts require.)

    Material Scatter Charts have many small improvements over Classic Scatter Charts, including variable opacity for legibility of overlapping points, an improved color palette, clearer label formatting, tighter default spacing, softer gridlines and titles (and the addition of subtitles).

      
 google 
 . 
 charts 
 . 
 load 
 ( 
 'current' 
 , 
  
 { 
 'packages' 
 :[ 
 'scatter' 
 ]}); 
  
 google 
 . 
 charts 
 . 
 setOnLoadCallback 
 ( 
 drawChart 
 ); 
  
 function 
  
 drawChart 
  
 () 
  
 { 
  
 var 
  
 data 
  
 = 
  
 new 
  
 google 
 . 
 visualization 
 . 
 DataTable 
 (); 
  
 data 
 . 
 addColumn 
 ( 
 'number' 
 , 
  
 'Hours Studied' 
 ); 
  
 data 
 . 
 addColumn 
 ( 
 'number' 
 , 
  
 'Final' 
 ); 
  
 data 
 . 
 addRows 
 ([ 
  
 [ 
 0 
 , 
  
 67 
 ], 
  
 [ 
 1 
 , 
  
 88 
 ], 
  
 [ 
 2 
 , 
  
 77 
 ], 
  
 [ 
 3 
 , 
  
 93 
 ], 
  
 [ 
 4 
 , 
  
 85 
 ], 
  
 [ 
 5 
 , 
  
 91 
 ], 
  
 [ 
 6 
 , 
  
 71 
 ], 
  
 [ 
 7 
 , 
  
 78 
 ], 
  
 [ 
 8 
 , 
  
 93 
 ], 
  
 [ 
 9 
 , 
  
 80 
 ], 
  
 [ 
 10 
 , 
  
 82 
 ],[ 
 0 
 , 
  
 75 
 ], 
  
 [ 
 5 
 , 
  
 80 
 ], 
  
 [ 
 3 
 , 
  
 90 
 ], 
  
 [ 
 1 
 , 
  
 72 
 ], 
  
 [ 
 5 
 , 
  
 75 
 ], 
  
 [ 
 6 
 , 
  
 68 
 ], 
  
 [ 
 7 
 , 
  
 98 
 ], 
  
 [ 
 3 
 , 
  
 82 
 ], 
  
 [ 
 9 
 , 
  
 94 
 ], 
  
 [ 
 2 
 , 
  
 79 
 ], 
  
 [ 
 2 
 , 
  
 95 
 ], 
  
 [ 
 2 
 , 
  
 86 
 ], 
  
 [ 
 3 
 , 
  
 67 
 ], 
  
 [ 
 4 
 , 
  
 60 
 ], 
  
 [ 
 2 
 , 
  
 80 
 ], 
  
 [ 
 6 
 , 
  
 92 
 ], 
  
 [ 
 2 
 , 
  
 81 
 ], 
  
 [ 
 8 
 , 
  
 79 
 ], 
  
 [ 
 9 
 , 
  
 83 
 ], 
  
 [ 
 3 
 , 
  
 75 
 ], 
  
 [ 
 1 
 , 
  
 80 
 ], 
  
 [ 
 3 
 , 
  
 71 
 ], 
  
 [ 
 3 
 , 
  
 89 
 ], 
  
 [ 
 4 
 , 
  
 92 
 ], 
  
 [ 
 5 
 , 
  
 85 
 ], 
  
 [ 
 6 
 , 
  
 92 
 ], 
  
 [ 
 7 
 , 
  
 78 
 ], 
  
 [ 
 6 
 , 
  
 95 
 ], 
  
 [ 
 3 
 , 
  
 81 
 ], 
  
 [ 
 0 
 , 
  
 64 
 ], 
  
 [ 
 4 
 , 
  
 85 
 ], 
  
 [ 
 2 
 , 
  
 83 
 ], 
  
 [ 
 3 
 , 
  
 96 
 ], 
  
 [ 
 4 
 , 
  
 77 
 ], 
  
 [ 
 5 
 , 
  
 89 
 ], 
  
 [ 
 4 
 , 
  
 89 
 ], 
  
 [ 
 7 
 , 
  
 84 
 ], 
  
 [ 
 4 
 , 
  
 92 
 ], 
  
 [ 
 9 
 , 
  
 98 
 ] 
  
 ]); 
  
 var 
  
 options 
  
 = 
  
 { 
  
 width 
 : 
  
 800 
 , 
  
 height 
 : 
  
 500 
 , 
  
 chart 
 : 
  
 { 
  
 title 
 : 
  
 'Students 
 \' 
 Final Grades' 
 , 
  
 subtitle 
 : 
  
 'based on hours studied' 
  
 }, 
  
 hAxis 
 : 
  
 { 
 title 
 : 
  
 'Hours Studied' 
 }, 
  
 vAxis 
 : 
  
 { 
 title 
 : 
  
 'Grade' 
 } 
  
 }; 
  
 var 
  
 chart 
  
 = 
  
 new 
  
 google 
 . 
 charts 
 . 
 Scatter 
 ( 
 document 
 . 
 getElementById 
 ( 
 'scatterchart_material' 
 )); 
  
 chart 
 . 
 draw 
 ( 
 data 
 , 
  
 google 
 . 
 charts 
 . 
 Scatter 
 . 
 convertOptions 
 ( 
 options 
 )); 
  
 }

    The Material Charts are in beta . The appearance and interactivity are largely final, but many of the options available in Classic Charts are not yet available in them. You can find a list of options that are not yet supported in this issue .

    Also, the way options are declared is not finalized, so if you are using any of the classic options, you must convert them to material options by replacing this line:

    chart.draw(data, options);

    ...with this:

    chart.draw(data, google.charts.Scatter.convertOptions(options));

    Dual-Y charts

    Sometimes you'll want to display two series in a scatter chart, with two independent y-axes: a left axis for one series, and a right axis for another:

    Note that not only are our two y-axes labeled differently ("Final Exam Grade" versus "Hours Studied") but they each have their own independent scales and gridlines. If you want to customize this behavior, use the vAxis.gridlines options.

    In the code below, the axes and series options together specify the dual-Y appearance of the chart. The series option specifies which axis to use for each ( 'final grade' and 'hours studied' ; they needn't have any relation to the column names in the datatable). The axes option then makes this chart a dual-Y chart, placing the 'Final Exam Grade' axis on the left and the 'Hours Studied' axis on the right.

      
 google 
 . 
 charts 
 . 
 load 
 ( 
 'current' 
 , 
  
 { 
 'packages' 
 :[ 
 'corechart' 
 , 
  
 'scatter' 
 ]}); 
  
 google 
 . 
 charts 
 . 
 setOnLoadCallback 
 ( 
 drawStuff 
 ); 
  
 function 
  
 drawStuff 
 () 
  
 { 
  
 var 
  
 button 
  
 = 
  
 document 
 . 
 getElementById 
 ( 
 'change-chart' 
 ); 
  
 var 
  
 chartDiv 
  
 = 
  
 document 
 . 
 getElementById 
 ( 
 'chart_div' 
 ); 
  
 var 
  
 data 
  
 = 
  
 new 
  
 google 
 . 
 visualization 
 . 
 DataTable 
 (); 
  
 data 
 . 
 addColumn 
 ( 
 'number' 
 , 
  
 'Student ID' 
 ); 
  
 data 
 . 
 addColumn 
 ( 
 'number' 
 , 
  
 'Hours Studied' 
 ); 
  
 data 
 . 
 addColumn 
 ( 
 'number' 
 , 
  
 'Final' 
 ); 
  
 data 
 . 
 addRows 
 ([ 
  
 [ 
 0 
 , 
  
 0 
 , 
  
 67 
 ], 
  
 [ 
 1 
 , 
  
 1 
 , 
  
 88 
 ], 
  
 [ 
 2 
 , 
  
 2 
 , 
  
 77 
 ], 
  
 [ 
 3 
 , 
  
 3 
 , 
  
 93 
 ], 
  
 [ 
 4 
 , 
  
 4 
 , 
  
 85 
 ], 
  
 [ 
 5 
 , 
  
 5 
 , 
  
 91 
 ], 
  
 [ 
 6 
 , 
  
 6 
 , 
  
 71 
 ], 
  
 [ 
 7 
 , 
  
 7 
 , 
  
 78 
 ], 
  
 [ 
 8 
 , 
  
 8 
 , 
  
 93 
 ], 
  
 [ 
 9 
 , 
  
 9 
 , 
  
 80 
 ], 
  
 [ 
 10 
 , 
  
 10 
 , 
  
 82 
 ], 
  
 [ 
 11 
 , 
  
 0 
 , 
  
 75 
 ], 
  
 [ 
 12 
 , 
  
 5 
 , 
  
 80 
 ], 
  
 [ 
 13 
 , 
  
 3 
 , 
  
 90 
 ], 
  
 [ 
 14 
 , 
  
 1 
 , 
  
 72 
 ], 
  
 [ 
 15 
 , 
  
 5 
 , 
  
 75 
 ], 
  
 [ 
 16 
 , 
  
 6 
 , 
  
 68 
 ], 
  
 [ 
 17 
 , 
  
 7 
 , 
  
 98 
 ], 
  
 [ 
 18 
 , 
  
 3 
 , 
  
 82 
 ], 
  
 [ 
 19 
 , 
  
 9 
 , 
  
 94 
 ], 
  
 [ 
 20 
 , 
  
 2 
 , 
  
 79 
 ], 
  
 [ 
 21 
 , 
  
 2 
 , 
  
 95 
 ], 
  
 [ 
 22 
 , 
  
 2 
 , 
  
 86 
 ], 
  
 [ 
 23 
 , 
  
 3 
 , 
  
 67 
 ], 
  
 [ 
 24 
 , 
  
 4 
 , 
  
 60 
 ], 
  
 [ 
 25 
 , 
  
 2 
 , 
  
 80 
 ], 
  
 [ 
 26 
 , 
  
 6 
 , 
  
 92 
 ], 
  
 [ 
 27 
 , 
  
 2 
 , 
  
 81 
 ], 
  
 [ 
 28 
 , 
  
 8 
 , 
  
 79 
 ], 
  
 [ 
 29 
 , 
  
 9 
 , 
  
 83 
 ] 
  
 ]); 
  
 var 
  
 materialOptions 
  
 = 
  
 { 
  
 chart 
 : 
  
 { 
  
 title 
 : 
  
 'Students 
 \' 
 Final Grades' 
 , 
  
 subtitle 
 : 
  
 'based on hours studied' 
  
 }, 
  
 width 
 : 
  
 800 
 , 
  
 height 
 : 
  
 500 
 , 
  
 series 
 : 
  
 { 
  
 0 
 : 
  
 { 
 axis 
 : 
  
 'hours studied' 
 }, 
  
 1 
 : 
  
 { 
 axis 
 : 
  
 'final grade' 
 } 
  
 }, 
  
 axes 
 : 
  
 { 
  
 y 
 : 
  
 { 
  
 'hours studied' 
 : 
  
 { 
 label 
 : 
  
 'Hours Studied' 
 }, 
  
 'final grade' 
 : 
  
 { 
 label 
 : 
  
 'Final Exam Grade' 
 } 
  
 } 
  
 } 
  
 }; 
  
 var 
  
 classicOptions 
  
 = 
  
 { 
  
 width 
 : 
  
 800 
 , 
  
 series 
 : 
  
 { 
  
 0 
 : 
  
 { 
 targetAxisIndex 
 : 
  
 0 
 }, 
  
 1 
 : 
  
 { 
 targetAxisIndex 
 : 
  
 1 
 } 
  
 }, 
  
 title 
 : 
  
 'Students 
 \' 
 Final Grades - based on hours studied' 
 , 
  
 vAxes 
 : 
  
 { 
  
 // 
  
 Adds 
  
 titles 
  
 to 
  
 each 
  
 axis 
 . 
  
 0 
 : 
  
 { 
 title 
 : 
  
 'Hours Studied' 
 }, 
  
 1 
 : 
  
 { 
 title 
 : 
  
 'Final Exam Grade' 
 } 
  
 } 
  
 }; 
  
 function 
  
 drawMaterialChart 
 () 
  
 { 
  
 var 
  
 materialChart 
  
 = 
  
 new 
  
 google 
 . 
 charts 
 . 
 Scatter 
 ( 
 chartDiv 
 ); 
  
 materialChart 
 . 
 draw 
 ( 
 data 
 , 
  
 google 
 . 
 charts 
 . 
 Scatter 
 . 
 convertOptions 
 ( 
 materialOptions 
 )); 
  
 button 
 . 
 innerText 
  
 = 
  
 'Change to Classic' 
 ; 
  
 button 
 . 
 onclick 
  
 = 
  
 drawClassicChart 
 ; 
  
 } 
  
 function 
  
 drawClassicChart 
 () 
  
 { 
  
 var 
  
 classicChart 
  
 = 
  
 new 
  
 google 
 . 
 visualization 
 . 
 ScatterChart 
 ( 
 chartDiv 
 ); 
  
 classicChart 
 . 
 draw 
 ( 
 data 
 , 
  
 classicOptions 
 ); 
  
 button 
 . 
 innerText 
  
 = 
  
 'Change to Material' 
 ; 
  
 button 
 . 
 onclick 
  
 = 
  
 drawMaterialChart 
 ; 
  
 } 
  
 drawMaterialChart 
 (); 
  
 };

    Top-X charts

    Note: Top-X axes are available only for Material charts (i.e., those with package scatter ).

    If you want to put the X-axis labels and title on the top of your chart rather than the bottom, you can do that in Material charts with the axes.x option:

     
      
 google 
 . 
 charts 
 . 
 load 
 ( 
 'current' 
 , 
  
 { 
 'packages' 
 :[ 
 'scatter' 
 ]}); 
  
 google 
 . 
 charts 
 . 
 setOnLoadCallback 
 ( 
 drawChart 
 ); 
  
 function 
  
 drawChart 
  
 () 
  
 { 
  
 var 
  
 data 
  
 = 
  
 new 
  
 google 
 . 
 visualization 
 . 
 DataTable 
 (); 
  
 data 
 . 
 addColumn 
 ( 
 'number' 
 , 
  
 'Hours Studied' 
 ); 
  
 data 
 . 
 addColumn 
 ( 
 'number' 
 , 
  
 'Final' 
 ); 
  
 data 
 . 
 addRows 
 ([ 
  
 [ 
 0 
 , 
  
 67 
 ], 
  
 [ 
 1 
 , 
  
 88 
 ], 
  
 [ 
 2 
 , 
  
 77 
 ], 
  
 [ 
 3 
 , 
  
 93 
 ], 
  
 [ 
 4 
 , 
  
 85 
 ], 
  
 [ 
 5 
 , 
  
 91 
 ], 
  
 [ 
 6 
 , 
  
 71 
 ], 
  
 [ 
 7 
 , 
  
 78 
 ], 
  
 [ 
 8 
 , 
  
 93 
 ], 
  
 [ 
 9 
 , 
  
 80 
 ], 
  
 [ 
 10 
 , 
  
 82 
 ], 
  
 [ 
 0 
 , 
  
 75 
 ], 
  
 [ 
 5 
 , 
  
 80 
 ], 
  
 [ 
 3 
 , 
  
 90 
 ], 
  
 [ 
 1 
 , 
  
 72 
 ], 
  
 [ 
 5 
 , 
  
 75 
 ], 
  
 [ 
 6 
 , 
  
 68 
 ], 
  
 [ 
 7 
 , 
  
 98 
 ], 
  
 [ 
 3 
 , 
  
 82 
 ], 
  
 [ 
 9 
 , 
  
 94 
 ], 
  
 [ 
 2 
 , 
  
 79 
 ], 
  
 [ 
 2 
 , 
  
 95 
 ], 
  
 [ 
 2 
 , 
  
 86 
 ], 
  
 [ 
 3 
 , 
  
 67 
 ], 
  
 [ 
 4 
 , 
  
 60 
 ], 
  
 [ 
 2 
 , 
  
 80 
 ], 
  
 [ 
 6 
 , 
  
 92 
 ], 
  
 [ 
 2 
 , 
  
 81 
 ], 
  
 [ 
 8 
 , 
  
 79 
 ], 
  
 [ 
 9 
 , 
  
 83 
 ], 
  
 [ 
 3 
 , 
  
 75 
 ], 
  
 [ 
 1 
 , 
  
 80 
 ], 
  
 [ 
 3 
 , 
  
 71 
 ], 
  
 [ 
 3 
 , 
  
 89 
 ], 
  
 [ 
 4 
 , 
  
 92 
 ], 
  
 [ 
 5 
 , 
  
 85 
 ], 
  
 [ 
 6 
 , 
  
 92 
 ], 
  
 [ 
 7 
 , 
  
 78 
 ], 
  
 [ 
 6 
 , 
  
 95 
 ], 
  
 [ 
 3 
 , 
  
 81 
 ], 
  
 [ 
 0 
 , 
  
 64 
 ], 
  
 [ 
 4 
 , 
  
 85 
 ], 
  
 [ 
 2 
 , 
  
 83 
 ], 
  
 [ 
 3 
 , 
  
 96 
 ], 
  
 [ 
 4 
 , 
  
 77 
 ], 
  
 [ 
 5 
 , 
  
 89 
 ], 
  
 [ 
 4 
 , 
  
 89 
 ], 
  
 [ 
 7 
 , 
  
 84 
 ], 
  
 [ 
 4 
 , 
  
 92 
 ], 
  
 [ 
 9 
 , 
  
 98 
 ] 
  
 ]); 
  
 var 
  
 options 
  
 = 
  
 { 
  
 width 
 : 
  
 800 
 , 
  
 height 
 : 
  
 500 
 , 
  
 chart 
 : 
  
 { 
  
 title 
 : 
  
 'Students 
 \' 
 Final Grades' 
 , 
  
 subtitle 
 : 
  
 'based on hours studied' 
  
 }, 
  
 axes 
 : 
  
 { 
  
 x 
 : 
  
 { 
  
 0 
 : 
  
 { 
 side 
 : 
  
 'top' 
 } 
  
 } 
  
 } 
  
 }; 
  
 var 
  
 chart 
  
 = 
  
 new 
  
 google 
 . 
 charts 
 . 
 Scatter 
 ( 
 document 
 . 
 getElementById 
 ( 
 'scatter_top_x' 
 )); 
  
 chart 
 . 
 draw 
 ( 
 data 
 , 
  
 google 
 . 
 charts 
 . 
 Scatter 
 . 
 convertOptions 
 ( 
 options 
 )); 
  
 }

    Loading

    The google.charts.load package name is "corechart" , and the visualization's class name is google.visualization.ScatterChart .

      
 google 
 . 
 charts 
 . 
 load 
 ( 
 "current" 
 , 
  
 { 
 packages 
 : 
  
 [ 
 "corechart" 
 ]}); 

      
 var 
  
 visualization 
  
 = 
  
 new 
  
 google 
 . 
 visualization 
 . 
 ScatterChart 
 ( 
 container 
 );

    For Material Scatter Charts, the google.charts.load package name is "scatter" , and the visualization's class name is google.charts.Scatter .

      
 google 
 . 
 charts 
 . 
 load 
 ( 
 "current" 
 , 
  
 { 
 packages 
 : 
  
 [ 
 "scatter" 
 ]}); 

      
 var 
  
 visualization 
  
 = 
  
 new 
  
 google 
 . 
 charts 
 . 
 Scatter 
 ( 
 container 
 );

    Data format

    Rows:Each row in the table represents a set of data points with the same x-axis value.

    Columns:

    Column 0
    Column 1
    ...
    Column N
    Purpose:
    Data point X values
    Series 1 Y values
    ...
    Series N Y values
    Data Type:
    string, number, or date/datetime/timeofday
    string, number, or date/datetime/timeofday
    ...
    string, number, or date/datetime/timeofday
    Role:
    data
    data
    ...
    data
    Optional column roles :

    None

    ...

    To specify multiple series, specify two or more Y-axis columns, and specify Y values in only one Y column:

    X-values Series 1 Y Values Series 2 Y Values
    10
    		 null 75
    20
    		 null 18
    33
    		 null 22
    55
    		 16 null
    14
    		 61 null
    48
    		 3 null

    Configuration options

    Name
    aggregationTarget
    How multiple data selections are rolled up into tooltips:
    • 'category' : Group selected data by x-value.
    • 'series' : Group selected data by series.
    • 'auto' : Group selected data by x-value if all selections have the same x-value, and by series otherwise.
    • 'none' : Show only one tooltip per selection.
    aggregationTarget will often be used in tandem with selectionMode and tooltip.trigger , e.g.:
     var 
  
 options 
  
 = 
  
 { 
  
 // 
  
 Allow 
  
 multiple 
  
 // 
  
 simultaneous 
  
 selections 
 . 
  
  selectionMode 
 : 
  
 'multiple' 
 , 
 
  
 // 
  
 Trigger 
  
 tooltips 
  
 // 
  
 on 
  
 selections 
 . 
  
  tooltip 
 : 
  
 { 
 trigger 
 : 
  
 'selection' 
 }, 
 
  
 // 
  
 Group 
  
 selections 
  
 // 
  
 by 
  
 x 
 - 
 value 
 . 
  
  aggregationTarget 
 : 
  
 'category' 
 , 
 
 };
    Type: string
    Default: 'auto'
    animation.duration

    The duration of the animation, in milliseconds. For details, see the animation documentation .

    Type: number
    Default: 0
    animation.easing

    The easing function applied to the animation. The following options are available:

    • 'linear' - Constant speed.
    • 'in' - Ease in - Start slow and speed up.
    • 'out' - Ease out - Start fast and slow down.
    • 'inAndOut' - Ease in and out - Start slow, speed up, then slow down.
    Type: string
    Default: 'linear'
    animation.startup

    Determines if the chart will animate on the initial draw. If true , the chart will start at the baseline and animate to its final state.

    Type: boolean
    Default false
    annotations.boxStyle

    For charts that support annotations , the annotations.boxStyle object controls the appearance of the boxes surrounding annotations:

     var 
  
 options 
  
 = 
  
 { 
  
 annotations 
 : 
  
 { 
  
 boxStyle 
 : 
  
 { 
  
 // 
  
 Color 
  
 of 
  
 the 
  
 box 
  
 outline 
 . 
  
 stroke 
 : 
  
 '#888' 
 , 
  
 // 
  
 Thickness 
  
 of 
  
 the 
  
 box 
  
 outline 
 . 
  
 strokeWidth 
 : 
  
 1 
 , 
  
 // 
  
 x 
 - 
 radius 
  
 of 
  
 the 
  
 corner 
  
 curvature 
 . 
  
 rx 
 : 
  
 10 
 , 
  
 // 
  
 y 
 - 
 radius 
  
 of 
  
 the 
  
 corner 
  
 curvature 
 . 
  
 ry 
 : 
  
 10 
 , 
  
 // 
  
 Attributes 
  
 for 
  
 linear 
  
 gradient 
  
 fill 
 . 
  
 gradient 
 : 
  
 { 
  
 // 
  
 Start 
  
 color 
  
 for 
  
 gradient 
 . 
  
 color1 
 : 
  
 '#fbf6a7' 
 , 
  
 // 
  
 Finish 
  
 color 
  
 for 
  
 gradient 
 . 
  
 color2 
 : 
  
 '#33b679' 
 , 
  
 // 
  
 Where 
  
 on 
  
 the 
  
 boundary 
  
 to 
  
 start 
  
 and 
  
 // 
  
 end 
  
 the 
  
 color1 
 / 
 color2 
  
 gradient 
 , 
  
 // 
  
 relative 
  
 to 
  
 the 
  
 upper 
  
 left 
  
 corner 
  
 // 
  
 of 
  
 the 
  
 boundary 
 . 
  
 x1 
 : 
  
 '0%' 
 , 
  
 y1 
 : 
  
 '0%' 
 , 
  
 x2 
 : 
  
 '100%' 
 , 
  
 y2 
 : 
  
 '100%' 
 , 
  
 // 
  
 If 
  
 true 
 , 
  
 the 
  
 boundary 
  
 for 
  
 x1 
 , 
  
 // 
  
 y1 
 , 
  
 x2 
 , 
  
 and 
  
 y2 
  
 is 
  
 the 
  
 box 
 . 
  
 If 
  
 // 
  
 false 
 , 
  
 it 
 's the entire chart. 
  
 useObjectBoundingBoxUnits 
 : 
  
 true 
  
 } 
  
 } 
  
 } 
 };

    This option is currently supported for area, bar, column, combo, line, and scatter charts. It is not supported by the Annotation Chart .

    Type: object
    Default: null
    annotations.datum
    For charts that support annotations , the annotations.datum object lets you override Google Charts' choice for annotations provided for individual data elements (such as values displayed with each bar on a bar chart). You can control the color with annotations.datum.stem.color , the stem length with annotations.datum.stem.length , and the style with annotations.datum.style .
    Type: object
    Default: color is "black"; length is 12; style is "point".
    annotations.domain
    For charts that support annotations , the annotations.domain object lets you override Google Charts' choice for annotations provided for a domain (the major axis of the chart, such as the X axis on a typical line chart). You can control the color with annotations.domain.stem.color , the stem length with annotations.domain.stem.length , and the style with annotations.domain.style .
    Type: object
    Default: color is "black"; length is 5; style is "point".
    annotations.highContrast
    For charts that support annotations , the annotations.highContrast boolean lets you override Google Charts' choice of the annotation color. By default, annotations.highContrast is true, which causes Charts to select an annotation color with good contrast: light colors on dark backgrounds, and dark on light. If you set annotations.highContrast to false and don't specify your own annotation color, Google Charts will use the default series color for the annotation:
    Type: boolean
    Default: true
    annotations.stem
    For charts that support annotations , the annotations.stem object lets you override Google Charts' choice for the stem style. You can control color with annotations.stem.color and the stem length with annotations.stem.length . Note that the stem length option has no effect on annotations with style 'line' : for 'line' datum annotations, the stem length is always the same as the text, and for 'line' domain annotations, the stem extends across the entire chart.
    Type: object
    Default: color is "black"; length is 5 for domain annotations and 12 for datum annotations.
    annotations.style
    For charts that support annotations , the annotations.style option lets you override Google Charts' choice of the annotation type. It can be either 'line' or 'point' .
    Type: string
    Default: 'point'
    annotations.textStyle
    For charts that support annotations , the annotations.textStyle object controls the appearance of the text of the annotation:
     var 
  
 options 
  
 = 
  
 { 
  
 annotations 
 : 
  
 { 
  
 textStyle 
 : 
  
 { 
  
 fontName 
 : 
  
 'Times-Roman' 
 , 
  
 fontSize 
 : 
  
 18 
 , 
  
 bold 
 : 
  
 true 
 , 
  
 italic 
 : 
  
 true 
 , 
  
 // 
  
 The 
  
 color 
  
 of 
  
 the 
  
 text 
 . 
  
 color 
 : 
  
 '#871b47' 
 , 
  
 // 
  
 The 
  
 color 
  
 of 
  
 the 
  
 text 
  
 outline 
 . 
  
 auraColor 
 : 
  
 '#d799ae' 
 , 
  
 // 
  
 The 
  
 transparency 
  
 of 
  
 the 
  
 text 
 . 
  
 opacity 
 : 
  
 0.8 
  
 } 
  
 } 
 };

    This option is currently supported for area, bar, column, combo, line, and scatter charts. It is not supported by the Annotation Chart .

    Type: object
    Default: null
    axisTitlesPosition

    Where to place the axis titles, compared to the chart area. Supported values:

    • in - Draw the axis titles inside the chart area.
    • out - Draw the axis titles outside the chart area.
    • none - Omit the axis titles.
    Type: string
    Default: 'out'
    backgroundColor

    The background color for the main area of the chart. Can be either a simple HTML color string, for example: 'red' or '#00cc00' , or an object with the following properties.

    Type: string or object
    Default: 'white'
    backgroundColor.stroke

    The color of the chart border, as an HTML color string.

    Type: string
    Default: '#666'
    backgroundColor.strokeWidth

    The border width, in pixels.

    Type: number
    Default: 0
    backgroundColor.fill

    The chart fill color, as an HTML color string.

    Type: string
    Default: 'white'
    chart.title

    For Material Charts , this option specifies the title.

    Type: string
    Default: null
    chart.subtitle

    For Material Charts , this option specifies the subtitle. Only Material Charts support subtitles.

    Type: string
    Default: null
    chartArea

    An object with members to configure the placement and size of the chart area (where the chart itself is drawn, excluding axis and legends). Two formats are supported: a number, or a number followed by %. A simple number is a value in pixels; a number followed by % is a percentage. Example: chartArea:{left:20,top:0,width:'50%',height:'75%'}

    Type: object
    Default: null
    chartArea.backgroundColor
    Chart area background color. When a string is used, it can be either a hex string (e.g., '#fdc') or an English color name. When an object is used, the following properties can be provided:
    • stroke : the color, provided as a hex string or English color name.
    • strokeWidth : if provided, draws a border around the chart area of the given width (and with the color of stroke ).
    Type: string or object
    Default: 'white'
    chartArea.left

    How far to draw the chart from the left border.

    Type: number or string
    Default: auto
    chartArea.top

    How far to draw the chart from the top border.

    Type: number or string
    Default: auto
    chartArea.width

    Chart area width.

    Type: number or string
    Default: auto
    chartArea.height

    Chart area height.

    Type: number or string
    Default: auto
    colors

    The colors to use for the chart elements. An array of strings, where each element is an HTML color string, for example: colors:['red','#004411'] .

    Type: Array of strings
    Default: default colors
    crosshair

    An object containing the crosshair properties for the chart.

    Type: object
    Default: null
    crosshair.color

    The crosshair color, expressed as either a color name (e.g., "blue") or an RGB value (e.g., "#adf").

    Type: string
    Type: default
    crosshair.focused

    An object containing the crosshair properties upon focus.
    Example: crosshair: { focused: { color: '#3bc', opacity: 0.8 } }

    Type: object
    Default: default
    crosshair.opacity

    The crosshair opacity, with 0.0 being fully transparent and 1.0 fully opaque.

    Type: number
    Default: 1.0
    crosshair.orientation

    The crosshair orientation, which can be 'vertical' for vertical hairs only, 'horizontal' for horizontal hairs only, or 'both' for traditional crosshairs.

    Type: string
    Default: 'both'
    crosshair.selected

    An object containing the crosshair properties upon selection.
    Example: crosshair: { selected: { color: '#3bc', opacity: 0.8 } }

    Type: object
    Default: default
    crosshair.trigger

    When to display crosshairs: on 'focus' , 'selection' , or 'both' .

    Type: string
    Default: 'both'
    curveType

    Controls the curve of the lines when the line width is not zero. Can be one of the following:

    • 'none' - Straight lines without curve.
    • 'function' - The angles of the line will be smoothed.
    Type: string
    Default: 'none'
    dataOpacity

    The transparency of data points, with 1.0 being completely opaque and 0.0 fully transparent. In scatter, histogram, bar, and column charts, this refers to the visible data: dots in the scatter chart and rectangles in the others. In charts where selecting data creates a dot, such as the line and area charts, this refers to the circles that appear upon hover or selection. The combo chart exhibits both behaviors, and this option has no effect on other charts. (To change the opacity of a trendline, see trendline opacity .)

    Type: number
    Default: 1.0
    enableInteractivity

    Whether the chart throws user-based events or reacts to user interaction. If false, the chart will not throw 'select' or other interaction-based events (but will throw ready or error events), and will not display hovertext or otherwise change depending on user input.

    Type: boolean
    Default: true
    explorer

    The explorer option allows users to pan and zoom Google charts. explorer: {} provides the default explorer behavior, enabling users to pan horizontally and vertically by dragging, and to zoom in and out by scrolling.

    This feature is experimental and may change in future releases.

    Note: The explorer only works with continuous axes (such as numbers or dates).

    Type: object
    Default: null
    explorer.actions

    The Google Charts explorer supports three actions:

    • dragToPan : Drag to pan around the chart horizontally and vertically. To pan only along the horizontal axis, use explorer: { axis: 'horizontal' } . Similarly for the vertical axis.
    • dragToZoom : The explorer's default behavior is to zoom in and out when the user scrolls. If explorer: { actions: ['dragToZoom', 'rightClickToReset'] } is used, dragging across a rectangular area zooms into that area. We recommend using rightClickToReset whenever dragToZoom is used. See explorer.maxZoomIn , explorer.maxZoomOut , and explorer.zoomDelta for zoom customizations.
    • rightClickToReset : Right clicking on the chart returns it to the original pan and zoom level.
    Type: Array of strings
    Default: ['dragToPan', 'rightClickToReset']
    explorer.axis

    By default, users can pan both horizontally and vertically when the explorer option is used. If you want to users to only pan horizontally, use explorer: { axis: 'horizontal' } . Similarly, explorer: { axis: 'vertical' } enables vertical-only panning.

    Type: string
    Default: both horizontal and vertical panning
    explorer.keepInBounds

    By default, users can pan all around, regardless of where the data is. To ensure that users don't pan beyond the original chart, use explorer: { keepInBounds: true } .

    Type: boolean
    Default: false
    explorer.maxZoomIn

    The maximum that the explorer can zoom in. By default, users will be able to zoom in enough that they'll see only 25% of the original view. Setting explorer: { maxZoomIn: .5 } would let users zoom in only far enough to see half of the original view.

    Type: number
    Default: 0.25
    explorer.maxZoomOut

    The maximum that the explorer can zoom out. By default, users will be able to zoom out far enough that the chart will take up only 1/4 of the available space. Setting explorer: { maxZoomOut: 8 } would let users zoom out far enough that the chart would take up only 1/8 of the available space.

    Type: number
    Default: 4
    explorer.zoomDelta

    When users zoom in or out, explorer.zoomDelta determines how much they zoom by. The smaller the number, the smoother and slower the zoom.

    Type: number
    Default: 1.5
    fontSize

    The default font size, in pixels, of all text in the chart. You can override this using properties for specific chart elements.

    Type: number
    Default: automatic
    fontName

    The default font face for all text in the chart. You can override this using properties for specific chart elements.

    Type: string
    Default: 'Arial'
    forceIFrame

    Draws the chart inside an inline frame. (Note that on IE8, this option is ignored; all IE8 charts are drawn in i-frames.)

    Type: boolean
    Default: false
    hAxis

    An object with members to configure various horizontal axis elements. To specify properties of this object, you can use object literal notation, as shown here:

    {
  title: 'Hello',
  titleTextStyle: {
    color: '#FF0000'
  }
}
    Type: object
    Default: null
    hAxis.baseline

    The baseline for the horizontal axis.

    Type: number
    Default: automatic
    hAxis.baselineColor

    The color of the baseline for the horizontal axis. Can be any HTML color string, for example: 'red' or '#00cc00' .

    Type: number
    Default: 'black'
    hAxis.direction

    The direction in which the values along the horizontal axis grow. Specify -1 to reverse the order of the values.

    Type: 1 or -1
    Default: 1
    hAxis.format

    A format string for numeric axis labels. This is a subset of the ICU pattern set . For instance, {format:'#,###%'} will display values "1,000%", "750%", and "50%" for values 10, 7.5, and 0.5. You can also supply any of the following:

    • {format: 'none'} : displays numbers with no formatting (e.g., 8000000)
    • {format: 'decimal'} : displays numbers with thousands separators (e.g., 8,000,000)
    • {format: 'scientific'} : displays numbers in scientific notation (e.g., 8e6)
    • {format: 'currency'} : displays numbers in the local currency (e.g., $8,000,000.00)
    • {format: 'percent'} : displays numbers as percentages (e.g., 800,000,000%)
    • {format: 'short'} : displays abbreviated numbers (e.g., 8M)
    • {format: 'long'} : displays numbers as full words (e.g., 8 million)

    The actual formatting applied to the label is derived from the locale the API has been loaded with. For more details, see loading charts with a specific locale .

    In computing tick values and gridlines, several alternative combinations of all the relevant gridline options will be considered and alternatives will be rejected if the formatted tick labels would be duplicated or overlap. So you can specify format:"#" if you want to only show integer tick values, but be aware that if no alternative satisfies this condition, no gridlines or ticks will be shown.

    Type: string
    Default: auto
    hAxis.gridlines

    An object with properties to configure the gridlines on the horizontal axis. Note that horizontal axis gridlines are drawn vertically. To specify properties of this object, you can use object literal notation, as shown here:

    {color: '#333', minSpacing: 20}
    Type: object
    Default: null
    hAxis.gridlines.color

    The color of the horizontal gridlines inside the chart area. Specify a valid HTML color string.

    Type: string
    Default: '#CCC'
    hAxis.gridlines.count

    The approximate number of horizontal gridlines inside the chart area. If you specify a positive number for gridlines.count , it will be used to compute the minSpacing between gridlines. You can specify a value of 1 to only draw one gridline, or 0 to draw no gridlines. Specify -1, which is the default, to automatically compute the number of gridlines based on other options.

    Type: number
    Default: -1
    hAxis.gridlines.units

    Overrides the default format for various aspects of date/datetime/timeofday data types when used with chart computed gridlines. Allows formatting for years, months, days, hours, minutes, seconds, and milliseconds.

    General format is:

    gridlines: {
  units: {
    years: {format: [/*format strings here*/]},
    months: {format: [/*format strings here*/]},
    days: {format: [/*format strings here*/]}
    hours: {format: [/*format strings here*/]}
    minutes: {format: [/*format strings here*/]}
    seconds: {format: [/*format strings here*/]},
    milliseconds: {format: [/*format strings here*/]},
  }
}

    Additional information can be found in Dates and Times .

    Type: object
    Default: null
    hAxis.minorGridlines

    An object with members to configure the minor gridlines on the horizontal axis, similar to the hAxis.gridlines option.

    Type: object
    Default: null
    hAxis.minorGridlines.color

    The color of the horizontal minor gridlines inside the chart area. Specify a valid HTML color string.

    Type: string
    Default: A blend of the gridline and background colors
    hAxis.minorGridlines.count

    The minorGridlines.count option is mostly deprecated, except for disabling minor gridlines by setting the count to 0. The number of minor gridlines now depends entirely on the interval between major gridlines (see hAxis.gridlines.interval ) and the minimum required space (see hAxis.minorGridlines.minSpacing ).

    Type: number
    Default: 1
    hAxis.minorGridlines.units

    Overrides the default format for various aspects of date/datetime/timeofday data types when used with chart computed minorGridlines. Allows formatting for years, months, days, hours, minutes, seconds, and milliseconds.

    General format is:

    gridlines: {
  units: {
    years: {format: [/*format strings here*/]},
    months: {format: [/*format strings here*/]},
    days: {format: [/*format strings here*/]}
    hours: {format: [/*format strings here*/]}
    minutes: {format: [/*format strings here*/]}
    seconds: {format: [/*format strings here*/]},
    milliseconds: {format: [/*format strings here*/]},
  }
}

    Additional information can be found in Dates and Times .

    Type: object
    Default: null
    hAxis.logScale

    hAxis property that makes the horizontal axis a logarithmic scale (requires all values to be positive). Set to true for yes.

    Type: boolean
    Default: false
    hAxis.scaleType

    hAxis property that makes the horizontal axis a logarithmic scale. Can be one of the following:

    • null - No logarithmic scaling is performed.
    • 'log' - Logarithmic scaling. Negative and zero values are not plotted. This option is the same as setting hAxis: { logscale: true } .
    • 'mirrorLog' - Logarithmic scaling in which negative and zero values are plotted. The plotted value of a negative number is the negative of the log of the absolute value. Values close to 0 are plotted on a linear scale.
    Type: string
    Default: null
    hAxis.textPosition

    Position of the horizontal axis text, relative to the chart area. Supported values: 'out', 'in', 'none'.

    Type: string
    Default: 'out'
    hAxis.textStyle

    An object that specifies the horizontal axis text style. The object has this format:

    { color: <string>,
  fontName: <string>,
  fontSize: <number>,
  bold: <boolean>,
  italic: <boolean> }

    The color can be any HTML color string, for example: 'red' or '#00cc00' . Also see fontName and fontSize .

    Type: object
    Default: {color: 'black', fontName: <global-font-name>, fontSize: <global-font-size>}
    hAxis.ticks

    Replaces the automatically generated X-axis ticks with the specified array. Each element of the array should be either a valid tick value (such as a number, date, datetime, or timeofday), or an object. If it's an object, it should have a v property for the tick value, and an optional f property containing the literal string to be displayed as the label.

    The viewWindow will be automatically expanded to include the min and max ticks unless you specify a viewWindow.min or viewWindow.max to override.

    Examples:

    • hAxis: { ticks: [5,10,15,20] }
    • hAxis: { ticks: [{v:32, f:'thirty two'}, {v:64, f:'sixty four'}] }
    • hAxis: { ticks: [new Date(2014,3,15), new Date(2013,5,15)] }
    • hAxis: { ticks: [16, {v:32, f:'thirty two'}, {v:64, f:'sixty four'}, 128] }
    Type: Array of elements
    Default: auto
    hAxis.title

    hAxis property that specifies the title of the horizontal axis.

    Type: string
    Default: null
    hAxis.titleTextStyle

    An object that specifies the horizontal axis title text style. The object has this format:

    { color: <string>,
  fontName: <string>,
  fontSize: <number>,
  bold: <boolean>,
  italic: <boolean> }

    The color can be any HTML color string, for example: 'red' or '#00cc00' . Also see fontName and fontSize .

    Type: object
    Default: {color: 'black', fontName: <global-font-name>, fontSize: <global-font-size>}
    hAxis.maxValue

    Moves the max value of the horizontal axis to the specified value; this will be rightward in most charts. Ignored if this is set to a value smaller than the maximum x-value of the data. hAxis.viewWindow.max overrides this property.

    Type: number
    Default: automatic
    hAxis.minValue

    Moves the min value of the horizontal axis to the specified value; this will be leftward in most charts. Ignored if this is set to a value greater than the minimum x-value of the data. hAxis.viewWindow.min overrides this property.

    Type: number
    Default: automatic
    hAxis.viewWindowMode

    Specifies how to scale the horizontal axis to render the values within the chart area. The following string values are supported:

    • 'pretty' - Scale the horizontal values so that the maximum and minimum data values are rendered a bit inside the left and right of the chart area. The viewWindow is expanded to the nearest major gridline for numbers, or the nearest minor gridline for dates and times.
    • 'maximized' - Scale the horizontal values so that the maximum and minimum data values touch the left and right of the chart area. This will cause haxis.viewWindow.min and haxis.viewWindow.max to be ignored.
    • 'explicit' - A deprecated option for specifying the left and right scale values of the chart area. (Deprecated because it's redundant with haxis.viewWindow.min and haxis.viewWindow.max .) Data values outside these values will be cropped. You must specify an hAxis.viewWindow object describing the maximum and minimum values to show.
    Type: string
    Default: Equivalent to 'pretty', but haxis.viewWindow.min and haxis.viewWindow.max take precedence if used.
    hAxis.viewWindow

    Specifies the cropping range of the horizontal axis.

    Type: object
    Default: null
    hAxis.viewWindow.max

    The maximum horizontal data value to render.

    Ignored when hAxis.viewWindowMode is 'pretty' or 'maximized'.

    Type: number
    Default: auto
    hAxis.viewWindow.min

    The minimum horizontal data value to render.

    Ignored when hAxis.viewWindowMode is 'pretty' or 'maximized'.

    Type: number
    Default: auto
    height

    Height of the chart, in pixels.

    Type: number
    Default: height of the containing element
    legend

    An object with members to configure various aspects of the legend. To specify properties of this object, you can use object literal notation, as shown here:

    {position: 'top', textStyle: {color: 'blue', fontSize: 16}}
    Type: object
    Default: null
    legend.alignment

    Alignment of the legend. Can be one of the following:

    • 'start' - Aligned to the start of the area allocated for the legend.
    • 'center' - Centered in the area allocated for the legend.
    • 'end' - Aligned to the end of the area allocated for the legend.

    Start, center, and end are relative to the style -- vertical or horizontal -- of the legend. For example, in a 'right' legend, 'start' and 'end' are at the top and bottom, respectively; for a 'top' legend, 'start' and 'end' would be at the left and right of the area, respectively.

    The default value depends on the legend's position. For 'bottom' legends, the default is 'center'; other legends default to 'start'.

    Type: string
    Default: automatic
    legend.maxLines

    Maximum number of lines in the legend. Set this to a number greater than one to add lines to your legend. Note: The exact logic used to determine the actual number of lines rendered is still in flux.

    This option currently works only when legend.position is 'top'.

    Type: number
    Default: 1
    legend.pageIndex

    Initial selected zero-based page index of the legend.

    Type: number
    Default: 0
    legend.position

    Position of the legend. Can be one of the following:

    • 'bottom' - Below the chart.
    • 'left' - To the left of the chart, provided the left axis has no series associated with it. So if you want the legend on the left, use the option targetAxisIndex: 1 .
    • 'in' - Inside the chart, by the top left corner.
    • 'none' - No legend is displayed.
    • 'right' - To the right of the chart. Incompatible with the vAxes option.
    • 'top' - Above the chart.
    Type: string
    Default: 'right'
    legend.textStyle

    An object that specifies the legend text style. The object has this format:

    { color: <string>,
  fontName: <string>,
  fontSize: <number>,
  bold: <boolean>,
  italic: <boolean> }

    The color can be any HTML color string, for example: 'red' or '#00cc00' . Also see fontName and fontSize .

    Type: object
    Default: {color: 'black', fontName: <global-font-name>, fontSize: <global-font-size>}
    lineWidth

    Line width in pixels. Use zero to hide all lines and show only the points.

    Type: number
    Default: 0
    orientation

    The orientation of the chart. When set to 'vertical' , rotates the axes of the chart so that (for instance) a column chart becomes a bar chart, and an area chart grows rightward instead of up:

    Type: string
    Default: 'horizontal'
    pointShape

    The shape of individual data elements: 'circle', 'triangle', 'square', 'diamond', 'star', or 'polygon'. See the points documentation for examples.

    Type: string
    Default: 'circle'
    pointSize

    Diameter of data points, in pixels. Use zero to hide all points. You can override values for individual series using the series property. If you're using a trendline , this option will also affect the pointSize of the points comprising it, which will change the apparent width of the trendline. To avoid this, you can override it with the trendlines.n.pointsize option.

    Type: number
    Default: 7
    pointsVisible

    Determines whether points will be displayed. Set to false to hide all points. You can override values for individual series using the series property. If you're using a trendline , the pointsVisible option will affect the visibility of the points on all trendlines unless you override it with the trendlines.n.pointsVisible option.

    This can also be overridden using the style role in the form of "point {visible: true}" .

    Type: boolean
    Default: true
    selectionMode

    When selectionMode is 'multiple' , users may select multiple data points.

    Type: string
    Default: 'single'
    series

    An array of objects, each describing the format of the corresponding series in the chart. To use default values for a series, specify an empty object {}. If a series or a value is not specified, the global value will be used. Each object supports the following properties:

    • color - The color to use for this series. Specify a valid HTML color string.
    • labelInLegend - The description of the series to appear in the chart legend.
    • lineWidth - Overrides the global lineWidth value for this series.
    • pointShape - Overrides the global pointShape value for this series.
    • pointSize - Overrides the global pointSize value for this series.
    • pointsVisible - Overrides the global pointsVisible value for this series.
    • visibleInLegend - A boolean value, where true means that the series should have a legend entry, and false means that it should not. Default is true.

    You can specify either an array of objects, each of which applies to the series in the order given, or you can specify an object where each child has a numeric key indicating which series it applies to. For example, the following two declarations are identical, and declare the first series as black and absent from the legend, and the fourth as red and absent from the legend:

    series: [
  {color: 'black', visibleInLegend: false}, {}, {},
  {color: 'red', visibleInLegend: false}
]
series: {
  0:{color: 'black', visibleInLegend: false},
  3:{color: 'red', visibleInLegend: false}
}
    Type: Array of objects, or object with nested objects
    Default: {}
    theme

    A theme is a set of predefined option values that work together to achieve a specific chart behavior or visual effect. Currently only one theme is available:

    • 'maximized' - Maximizes the area of the chart, and draws the legend and all of the labels inside the chart area. Sets the following options: 
      chartArea: {width: '100%', height: '100%'},
legend: {position: 'in'},
titlePosition: 'in', axisTitlesPosition: 'in',
hAxis: {textPosition: 'in'}, vAxis: {textPosition: 'in'}
    Type: string
    Default: null
    title

    Text to display above the chart.

    Type: string
    Default: no title
    titlePosition

    Where to place the chart title, compared to the chart area. Supported values:

    • in - Draw the title inside the chart area.
    • out - Draw the title outside the chart area.
    • none - Omit the title.
    Type: string
    Default: 'out'
    titleTextStyle

    An object that specifies the title text style. The object has this format:

    { color: <string>,
  fontName: <string>,
  fontSize: <number>,
  bold: <boolean>,
  italic: <boolean> }

    The color can be any HTML color string, for example: 'red' or '#00cc00' . Also see fontName and fontSize .

    Type: object
    Default: {color: 'black', fontName: <global-font-name>, fontSize: <global-font-size>}
    tooltip

    An object with members to configure various tooltip elements. To specify properties of this object, you can use object literal notation, as shown here:

    {textStyle: {color: '#FF0000'}, showColorCode: true}
    Type: object
    Default: null
    tooltip.ignoreBounds

    If set to true , allows the drawing of tooltips to flow outside of the bounds of the chart on all sides.

    Note: This only applies to HTML tooltips. If this is enabled with SVG tooltips, any overflow outside of the chart bounds will be cropped. See Customizing Tooltip Content for more details.

    Type: boolean
    Default: false
    tooltip.isHtml

    If set to true, use HTML-rendered (rather than SVG-rendered) tooltips. See Customizing Tooltip Content for more details.

    Note:customization of the HTML tooltip content via the tooltip column data role is notsupported by the Bubble Chart visualization.

    Type: boolean
    Default: false
    tooltip.showColorCode

    If true, show colored squares next to the series information in the tooltip.

    Type: boolean
    Default: false
    tooltip.textStyle

    An object that specifies the tooltip text style. The object has this format:

    { color: <string>,
  fontName: <string>,
  fontSize: <number>,
  bold: <boolean>,
  italic: <boolean> }

    The color can be any HTML color string, for example: 'red' or '#00cc00' . Also see fontName and fontSize .

    Type: object
    Default: {color: 'black', fontName: <global-font-name>, fontSize: <global-font-size>}
    tooltip.trigger

    The user interaction that causes the tooltip to be displayed:

    • 'focus' - The tooltip will be displayed when the user hovers over the element.
    • 'none' - The tooltip will not be displayed.
    • 'selection' - The tooltip will be displayed when the user selects the element.
    Type: string
    Default: 'focus'
    trendlines

    Displays trendlines on the charts that support them. By default, linear trendlines are used, but this can be customized with the trendlines. n .type option.

    Trendlines are specified on a per-series basis, so most of the time your options will look like this:

    var options = {
  trendlines: {
    0: {
      type: 'linear',
      color: 'green',
      lineWidth: 3,
      opacity: 0.3,
      showR2: true,
      visibleInLegend: true
    }
  }
}
    Type: object
    Default: null
    trendlines.n.color

    The color of the trendline , expressed as either an English color name or a hex string.

    Type: string
    Default: default series color
    trendlines.n.degree

    For trendlines of type: 'polynomial' , the degree of the polynomial ( 2 for quadratic, 3 for cubic, and so on). (The default degree may change from 3 to 2 in an upcoming release of Google Charts.)

    Type: number
    Default: 3
    trendlines.n.labelInLegend

    If set, the trendline will appear in the legend as this string.

    Type: string
    Default: null
    trendlines.n.lineWidth

    The line width of the trendline , in pixels.

    Type: number
    Default: 2
    trendlines.n.opacity

    The transparency of the trendline , from 0.0 (transparent) to 1.0 (opaque).

    Type: number
    Default: 1.0
    trendlines.n.pointSize

    Trendlines are constucted by stamping a bunch of dots on the chart; this rarely-needed option lets you customize the size of the dots. The trendline's lineWidth option will usually be preferable. However, you'll need this option if you're using the global pointSize option and want a different point size for your trendlines.

    Type: number
    Default: 1
    trendlines.n.pointsVisible

    Trendlines are constucted by stamping a bunch of dots on the chart. The trendline's pointsVisible option determines whether the points for a particular trendline are visible.

    Type: boolean
    Default: true
    trendlines.n.showR2

    Whether to show the coefficient of determination in the legend or trendline tooltip.

    Type: boolean
    Default: false
    trendlines.n.type

    Whether the trendlines is 'linear' (the default), 'exponential' , or 'polynomial' .

    Type: string
    Default: linear
    trendlines.n.visibleInLegend

    Whether the trendline equation appears in the legend. (It will appear in the trendline tooltip.)

    Type: boolean
    Default: false
    vAxis

    An object with members to configure various vertical axis elements. To specify properties of this object, you can use object literal notation, as shown here:

    {title: 'Hello', titleTextStyle: {color: '#FF0000'}}
    Type: object
    Default: null
    vAxis.baseline

    vAxis property that specifies the baseline for the vertical axis. If the baseline is larger than the highest grid line or smaller than the lowest grid line, it will be rounded to the closest gridline.

    Type: number
    Default: automatic
    vAxis.baselineColor

    Specifies the color of the baseline for the vertical axis. Can be any HTML color string, for example: 'red' or '#00cc00' .

    Type: number
    Default: 'black'
    vAxis.direction

    The direction in which the values along the vertical axis grow. By default, low values are on the bottom of the chart. Specify -1 to reverse the order of the values.

    Type: 1 or -1
    Default: 1
    vAxis.format

    A format string for numeric axis labels. This is a subset of the ICU pattern set . For instance, {format:'#,###%'} will display values "1,000%", "750%", and "50%" for values 10, 7.5, and 0.5. You can also supply any of the following:

    • {format: 'none'} : displays numbers with no formatting (e.g., 8000000)
    • {format: 'decimal'} : displays numbers with thousands separators (e.g., 8,000,000)
    • {format: 'scientific'} : displays numbers in scientific notation (e.g., 8e6)
    • {format: 'currency'} : displays numbers in the local currency (e.g., $8,000,000.00)
    • {format: 'percent'} : displays numbers as percentages (e.g., 800,000,000%)
    • {format: 'short'} : displays abbreviated numbers (e.g., 8M)
    • {format: 'long'} : displays numbers as full words (e.g., 8 million)

    The actual formatting applied to the label is derived from the locale the API has been loaded with. For more details, see loading charts with a specific locale .

    In computing tick values and gridlines, several alternative combinations of all the relevant gridline options will be considered and alternatives will be rejected if the formatted tick labels would be duplicated or overlap. So you can specify format:"#" if you want to only show integer tick values, but be aware that if no alternative satisfies this condition, no gridlines or ticks will be shown.

    Type: string
    Default: auto
    vAxis.gridlines

    An object with members to configure the gridlines on the vertical axis. Note that vertical axis gridlines are drawn horizontally. To specify properties of this object, you can use object literal notation, as shown here:

    {color: '#333', minSpacing: 20}
    Type: object
    Default: null
    vAxis.gridlines.color

    The color of the vertical gridlines inside the chart area. Specify a valid HTML color string.

    Type: string
    Default: '#CCC'
    vAxis.gridlines.count

    The approximate number of horizontal gridlines inside the chart area. If you specify a positive number for gridlines.count , it will be used to compute the minSpacing between gridlines. You can specify a value of 1 to only draw one gridline, or 0 to draw no gridlines. Specify -1, which is the default, to automatically compute the number of gridlines based on other options.

    Type: number
    Default: -1
    vAxis.gridlines.units

    Overrides the default format for various aspects of date/datetime/timeofday data types when used with chart computed gridlines. Allows formatting for years, months, days, hours, minutes, seconds, and milliseconds.

    General format is:

    gridlines: {
  units: {
    years: {format: [/*format strings here*/]},
    months: {format: [/*format strings here*/]},
    days: {format: [/*format strings here*/]},
    hours: {format: [/*format strings here*/]},
    minutes: {format: [/*format strings here*/]},
    seconds: {format: [/*format strings here*/]},
    milliseconds: {format: [/*format strings here*/]}
  }
}

    Additional information can be found in Dates and Times .

    Type: object
    Default: null
    vAxis.minorGridlines

    An object with members to configure the minor gridlines on the vertical axis, similar to the vAxis.gridlines option.

    Type: object
    Default: null
    vAxis.minorGridlines.color

    The color of the vertical minor gridlines inside the chart area. Specify a valid HTML color string.

    Type: string
    Default: A blend of the gridline and background colors
    vAxis.minorGridlines.count

    The minorGridlines.count option is mostly deprecated, except for disabling minor gridlines by setting the count to 0. The number of minor gridlines depends on the interval between major gridlines (see vAxis.gridlines.interval) and the minimum required space (see vAxis.minorGridlines.minSpacing).

    Type: number
    Default: 1
    vAxis.minorGridlines.units

    Overrides the default format for various aspects of date/datetime/timeofday data types when used with chart computed minorGridlines. Allows formatting for years, months, days, hours, minutes, seconds, and milliseconds.

    General format is:

    gridlines: {
  units: {
    years: {format: [/*format strings here*/]},
    months: {format: [/*format strings here*/]},
    days: {format: [/*format strings here*/]}
    hours: {format: [/*format strings here*/]}
    minutes: {format: [/*format strings here*/]}
    seconds: {format: [/*format strings here*/]},
    milliseconds: {format: [/*format strings here*/]},
  }
}

    Additional information can be found in Dates and Times .

    Type: object
    Default: null
    vAxis.logScale

    If true, makes the vertical axis a logarithmic scale. Note: All values must be positive.

    Type: boolean
    Default: false
    vAxis.scaleType

    vAxis property that makes the vertical axis a logarithmic scale. Can be one of the following:

    • null - No logarithmic scaling is performed.
    • 'log' - Logarithmic scaling. Negative and zero values are not plotted. This option is the same as setting vAxis: { logscale: true } .
    • 'mirrorLog' - Logarithmic scaling in which negative and zero values are plotted. The plotted value of a negative number is the negative of the log of the absolute value. Values close to 0 are plotted on a linear scale.
    Type: string
    Default: null
    vAxis.textPosition

    Position of the vertical axis text, relative to the chart area. Supported values: 'out', 'in', 'none'.

    Type: string
    Default: 'out'
    vAxis.textStyle

    An object that specifies the vertical axis text style. The object has this format:

    { color: <string>,
  fontName: <string>,
  fontSize: <number>,
  bold: <boolean>,
  italic: <boolean> }

    The color can be any HTML color string, for example: 'red' or '#00cc00' . Also see fontName and fontSize .

    Type: object
    Default: {color: 'black', fontName: <global-font-name>, fontSize: <global-font-size>}
    vAxis.ticks

    Replaces the automatically generated Y-axis ticks with the specified array. Each element of the array should be either a valid tick value (such as a number, date, datetime, or timeofday), or an object. If it's an object, it should have a v property for the tick value, and an optional f property containing the literal string to be displayed as the label.

    The viewWindow will be automatically expanded to include the min and max ticks unless you specify a viewWindow.min or viewWindow.max to override.

    Examples:

    • vAxis: { ticks: [5,10,15,20] }
    • vAxis: { ticks: [{v:32, f:'thirty two'}, {v:64, f:'sixty four'}] }
    • vAxis: { ticks: [new Date(2014,3,15), new Date(2013,5,15)] }
    • vAxis: { ticks: [16, {v:32, f:'thirty two'}, {v:64, f:'sixty four'}, 128] }
    Type: Array of elements
    Default: auto
    vAxis.title

    vAxis property that specifies a title for the vertical axis.

    Type: string
    Default: no title
    vAxis.titleTextStyle

    An object that specifies the vertical axis title text style. The object has this format:

    { color: <string>,
  fontName: <string>,
  fontSize: <number>,
  bold: <boolean>,
  italic: <boolean> }

    The color can be any HTML color string, for example: 'red' or '#00cc00' . Also see fontName and fontSize .

    Type: object
    Default: {color: 'black', fontName: <global-font-name>, fontSize: <global-font-size>}
    vAxis.maxValue

    Moves the max value of the vertical axis to the specified value; this will be upward in most charts. Ignored if this is set to a value smaller than the maximum y-value of the data. vAxis.viewWindow.max overrides this property.

    Type: number
    Default: automatic
    vAxis.minValue

    Moves the min value of the vertical axis to the specified value; this will be downward in most charts. Ignored if this is set to a value greater than the minimum y-value of the data. vAxis.viewWindow.min overrides this property.

    Type: number
    Default: null
    vAxis.viewWindowMode

    Specifies how to scale the vertical axis to render the values within the chart area. The following string values are supported:

    • 'pretty' - Scale the vertical values so that the maximum and minimum data values are rendered a bit inside the bottom and top of the chart area. The viewWindow is expanded to the nearest major gridline for numbers, or the nearest minor gridline for dates and times.
    • 'maximized' - Scale the vertical values so that the maximum and minimum data values touch the top and bottom of the chart area. This will cause vaxis.viewWindow.min and vaxis.viewWindow.max to be ignored.
    • 'explicit' - A deprecated option for specifying the top and bottom scale values of the chart area. (Deprecated because it's redundant with vaxis.viewWindow.min and vaxis.viewWindow.max . Data values outside these values will be cropped. You must specify a vAxis.viewWindow object describing the maximum and minimum values to show.
    Type: string
    Default: Equivalent to 'pretty', but vaxis.viewWindow.min and vaxis.viewWindow.max take precedence if used.
    vAxis.viewWindow

    Specifies the cropping range of the vertical axis.

    Type: object
    Default: null
    vAxis.viewWindow.max

    The maximum vertical data value to render.

    Ignored when vAxis.viewWindowMode is 'pretty' or 'maximized'.

    Type: number
    Default: auto
    vAxis.viewWindow.min

    The minimum vertical data value to render.

    Ignored when vAxis.viewWindowMode is 'pretty' or 'maximized'.

    Type: number
    Default: auto
    width

    Width of the chart, in pixels.

    Type: number
    Default: width of the containing element

    Methods

    Method
    draw(data, options)

    Draws the chart. The chart accepts further method calls only after the ready event is fired. Extended description .

    Return Type: none
    getAction(actionID)

    Returns the tooltip action object with the requested actionID .

    Return Type: object
    getBoundingBox(id)

    Returns an object containing the left, top, width, and height of chart element id . The format for id isn't yet documented (they're the return values of event handlers ), but here are some examples:

    var cli = chart.getChartLayoutInterface();

    Height of the chart area
    cli.getBoundingBox('chartarea').height
    Width of the third bar in the first series of a bar or column chart
    cli.getBoundingBox('bar#0#2').width
    Bounding box of the fifth wedge of a pie chart
    cli.getBoundingBox('slice#4')
    Bounding box of the chart data of a vertical (e.g., column) chart:
    cli.getBoundingBox('vAxis#0#gridline')
    Bounding box of the chart data of a horizontal (e.g., bar) chart:
    cli.getBoundingBox('hAxis#0#gridline')

    Values are relative to the container of the chart. Call this after the chart is drawn.

    Return Type: object
    getChartAreaBoundingBox()

    Returns an object containing the left, top, width, and height of the chart content (i.e., excluding labels and legend):

    var cli = chart.getChartLayoutInterface();

    cli.getChartAreaBoundingBox().left
    cli.getChartAreaBoundingBox().top
    cli.getChartAreaBoundingBox().height
    cli.getChartAreaBoundingBox().width

    Values are relative to the container of the chart. Call this after the chart is drawn.

    Return Type: object
    getChartLayoutInterface()

    Returns an object containing information about the onscreen placement of the chart and its elements.

    The following methods can be called on the returned object:

    • getBoundingBox
    • getChartAreaBoundingBox
    • getHAxisValue
    • getVAxisValue
    • getXLocation
    • getYLocation

    Call this after the chart is drawn.

    Return Type: object
    getHAxisValue(xPosition, optional_axis_index)

    Returns the horizontal data value at xPosition , which is a pixel offset from the chart container's left edge. Can be negative.

    Example: chart.getChartLayoutInterface().getHAxisValue(400) .

    Call this after the chart is drawn.

    Return Type: number
    getImageURI()

    Returns the chart serialized as an image URI.

    Call this after the chart is drawn.

    See Printing PNG Charts .

    Return Type: string
    getSelection()

    Returns an array of the selected chart entities. Selectable entities are points and legend entries. A point corresponds to a cell in the data table, and a legend entry to a column (row index is null). For this chart, only one entity can be selected at any given moment. Extended description .

    Return Type: Array of selection elements
    getVAxisValue(yPosition, optional_axis_index)

    Returns the vertical data value at yPosition , which is a pixel offset down from the chart container's top edge. Can be negative.

    Example: chart.getChartLayoutInterface().getVAxisValue(300) .

    Call this after the chart is drawn.

    Return Type: number
    getXLocation(dataValue, optional_axis_index)

    Returns the pixel x-coordinate of dataValue relative to the left edge of the chart's container.

    Example: chart.getChartLayoutInterface().getXLocation(400) .

    Call this after the chart is drawn.

    Return Type: number
    getYLocation(dataValue, optional_axis_index)

    Returns the pixel y-coordinate of dataValue relative to the top edge of the chart's container.

    Example: chart.getChartLayoutInterface().getYLocation(300) .

    Call this after the chart is drawn.

    Return Type: number
    removeAction(actionID)

    Removes the tooltip action with the requested actionID from the chart.

    Return Type: none
    setAction(action)

    Sets a tooltip action to be executed when the user clicks on the action text.

    The setAction method takes an object as its action parameter. This object should specify 3 properties: id — the ID of the action being set, text —the text that should appear in the tooltip for the action, and action — the function that should be run when a user clicks on the action text.

    Any and all tooltip actions should be set prior to calling the chart's draw() method. Extended description .

    Return Type: none
    setSelection()

    Selects the specified chart entities. Cancels any previous selection. Selectable entities are points and legend entries. A point corresponds to a cell in the data table, and a legend entry to a column (row index is null). For this chart, only one entity can be selected at a time. Extended description .

    Return Type: none
    clearChart()

    Clears the chart, and releases all of its allocated resources.

    Return Type: none

    Events

    For more information on how to use these events, see Basic Interactivity , Handling Events , and Firing Events .

    Name
    animationfinish

    Fired when transition animation is complete.

    Properties: none
    click

    Fired when the user clicks inside the chart. Can be used to identify when the title, data elements, legend entries, axes, gridlines, or labels are clicked.

    Properties: targetID
    error

    Fired when an error occurs when attempting to render the chart.

    Properties: id, message
    legendpagination

    Fired when the user clicks legend pagination arrows. Passes back the current legend zero-based page index and the total number of pages.

    Properties: currentPageIndex, totalPages
    onmouseover

    Fired when the user mouses over a visual entity. Passes back the row and column indices of the corresponding data table element.

    Properties: row, column
    onmouseout

    Fired when the user mouses away from a visual entity. Passes back the row and column indices of the corresponding data table element.

    Properties: row, column
    ready

    The chart is ready for external method calls. If you want to interact with the chart, and call methods after you draw it, you should set up a listener for this event before you call the draw method, and call them only after the event was fired.

    Properties: none
    select

    Fired when the user clicks a visual entity. To learn what has been selected, call getSelection() .

    Properties: none

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