If you’d like to combine the columnchart and linechart, use ComboChart. Documentation and examples are here : https://developers.google.com/chart/interactive/docs/gallery/combochart basically, have the data point for the line chart as one of the columns in the DataTable and specify this column to be the “series” = “line”, whereas the other columns are visualized in a ColumnChart.
Working offline with Google Chart API is not permitted, since it is against their TOS.
Here are some samples based on the google code playground line charts. Adjusting the chartArea width option gives more space for labels: new google.visualization.LineChart(document.getElementById(‘visualization’)). draw(data, {curveType: “function”, width: 500, height: 400, vAxis: {maxValue: 10}, chartArea: {width: ‘50%’}} ); If it’s an option, you could also position the labels beneath the chart, which gives considerably more … Read more
In the Configuration Options of the chart, specify backgroundColor: { fill:’transparent’ } This worked for me in Chrome and Firefox. It took me some time to find out. The doc page says you can only put in HTML color strings and I assumed ‘transparent’ was not one of them.