how do i change pointSize based on the value

[kostja wolf]

it is possible to change the pointSize based on the value?

if value > 20 set pointSize: 20

if value < 10 set pointSize: 10

or

if value == 30 set pointSize: 30

        google.charts.load('current', {'packages':['corechart']});
          
        google.charts.setOnLoadCallback(drawChart);
     
        function drawChart() {
        
            var jsonData = $.ajax({
                url: "getData.php",
                dataType: "json",
                async: false
                }).responseText;

            var options = {
                width: 2500,
                height: 1080,
                legend: { position: 'top', maxLines: 10 },
                bar: { groupWidth: '75%' },
                isStacked: true,
                title: '15-tägiger Wettbewerb, 17.01.2018 - 06.02.2018',
                titlePosition: 'out',
                colors: ['green', '#e6693e', 'blue'],
                backgroundColor: 'white',
                tooltip: { trigger: 'selection' },
                legend: { position: 'none' },
                vAxis: { viewWindowMode:'explicit', viewWindow: { max: 130}},
                seriesType: 'bars',
                series: {   3: {type: 'scatter', pointSize: 30, color: 'black'},
                                4: {type: 'scatter', pointSize: 30, color: 'black'},
                                5: {type: 'scatter', pointSize: 30, color: 'black'},
                                6: {type: 'scatter', pointSize: 30, color: 'black'},

                 },
                pointShape: 'star',
            };

            
            var data = new google.visualization.DataTable(jsonData);

           
            var chart = new google.visualization.ComboChart(document.getElementById('chart_div'));
            chart.draw(data, options);

        }

[Daniel LaLiberte]

Hi Kostja,

The only way to do what you want now is to use a 'style' role column.  Since you have several series, you would have to add another style role column after each series column.

https://developers.google.com/chart/interactive/docs/roles

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Daniel LaLiberte

dlaliberte@Google.com   5CC, Cambridge MA