google charts 1 - dipartimento di matematica e informatica char… · both pie and bar charts are...

Google Charts

Display live data on your site

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Using Google Charts

https://developers.google.com/chart2

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we want to represent this data

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Step 1

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create a container div inside an html page

Step 2

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create a .js file with the following content

we’re going to define this function!

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other packages

• annotationchart • bar • calendar • gauge • geochart • line • map • orgchart • sankey • table • timeline • treemap • wordtree

Step 3create the drawChart() function

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Step 4define the data

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my data

…set the options

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…continue

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end of the drawChart() function

this will draw a pie chart

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complete code

Step 5import google’s api and our script inside the html

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result 1

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Customizing the Chart

https://developers.google.com/chart/interactive/docs/gallery/piechart#Configuration_Options 15

result 2

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How about a bar chart?

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just replace PieChart

with BarChart

result 3

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more charts on https://developers.google.com/chart/interactive/docs/gallery

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Both pie and bar charts are included in the corechart package

However, if you want a treemap or geo chart on your page, you must additionally load the 'treemap' or 'geomap' packages.