Google Charts
From simple line charts to complex hierarchical tree diagrams, Google Charts library provides a wide variety of chart types that are always ready to use:
- Scatter Chart
- Line Chart
- Bar / Column Chart
- Area Chart
- Pie Chart
- Donut Chart
- Org Chart
- Map / Geo Chart
How to use Google Chart?
If you want to use Google Chart in your web page, pleaseAdd a link to the chart loader:
<script src="https://www.gstatic.com/charts/loader.js"> </script>
Google Charts are easy to use.
Just add a <div> The element can display the chart:
<div id="myChart" style="max-width:700px; height:400px"></div>
The <div> element must have a unique ID.
Then load Google Graph API:
- Load Visualization API and corechart package
- Set a callback function to be called after the API is loaded
1 google.charts.load('current',{packages:['corechart']}); 2 google.charts.setOnLoadCallback(drawChart);
That's it!
Line Chart
Source Code
function drawChart() { // Set data var data = google.visualization.arrayToDataTable([ ['Price', 'Size'], [50,7],[60,8],[70,8],[80,9],[90,9],[100,9], [110,10],[120,11],[130,14],[140,14],[150,15] ]); // Set options var options = { title: 'House Price vs. Area', hAxis: {title: 'Square Meters'}, vAxis: {title: 'Price in Millions'}, legend: 'none' }; // Draw the chart var chart = new google.visualization.LineChart(document.getElementById('myChart')); chart.draw(data, options); }
Scatter Plot
to generate the same data asScatter PlotPlease change google.visualization
Change to ScatterChart
:
var chart = new google.visualization.ScatterChart(document.getElementById('myChart'));
Bar Chart
Source Code
function drawChart() { var data = google.visualization.arrayToDataTable([ ['Contry', 'Mhl'], ['Italy', 55], ['France', 49], ['Spain', 44], ['United States', 24], ['Argentina', 15] ]); var options = { title: 'Global Wine Production' }; var chart = new google.visualization.BarChart(document.getElementById('myChart')); chart.draw(data, options); }
Pie Chart
To convert the bar chart toPie Chartwith:
google.visualization.PieChart
Replace:
google.visualization.BarChart
var chart = new google.visualization.PieChart(document.getElementById('myChart'));
3D Pie Chart
To display the pie chart in 3D form, simply set is3D: true
Add to options:
var options = { title: 'Global Wine Production', is3D: true };