Solved. It was a matter of enabling the right APIs on google cloud.
Il giorno lunedì 3 febbraio 2020 17:13:52 UTC+1, Caterina Caracciolo ha
scritto:
>
> Hi! I'm a newbie, I started playing around with GoogleCharts last week,
> because I would like to use GeoCharts for my project website. I started off
> copying and pasting the examples given at:
>
> https://developers.google.com/chart/interactive/docs/gallery/geochart
>
> but only the first one works, the one for "regions". As for the other
> examples, they do show the geographic boundaries, but ignore the data.
>
> Reading around the documentation, I found that the syntax for loading the
> libraries has changed, but also using the new syntax the data is not shown.
> I also changed the API key given in the example with my own, just generated
> for this project. I have searched for similar issues in this group but have
> not found anything to my case. What have I missed? Can somebody help me
> understand what's wrong with these examples?
>
> I paste below the example
>
> https://developers.google.com/chart/interactive/docs/gallery/geochart#marker-geocharts
>
> https://developers.google.com/chart/interactive/docs/gallery/geochart#marker-geocharts
>
> given at:
> https://developers.google.com/chart/interactive/docs/gallery/geochart#marker-geocharts
> modified with new syntax, but with the same key API given in the example.
>
> Many thanks!
> Caterina
>
>
>
>
>
> https://www.google.com/jsapi"</a>;>
>
> google.charts.load('current', {
>'packages': ['geochart'],
>// Note: you will need to get a mapsApiKey for your project.
>// See:
> <a rel="nofollow" href="https://developers.google.com/chart/interactive/docs/basic_load_libs#load-settings">https://developers.google.com/chart/interactive/docs/basic_load_libs#load-settings</a>
>'mapsApiKey': 'AIzaSyD-9tSrke72PouQMnMX-a7eZSW0jkFMBWY'
> });
> google.charts.setOnLoadCallback(drawMarkersMap);
>
> function drawMarkersMap() {
> var data = google.visualization.arrayToDataTable([
> ['City', 'Population', 'Area'],
> ['Rome', 2761477,1285.31],
> ['Milan', 1324110,181.76],
> ['Naples',959574, 117.27],
> ['Turin', 907563, 130.17],
> ['Palermo', 655875, 158.9],
> ['Genoa', 607906, 243.60],
> ['Bologna', 380181, 140.7],
> ['Florence', 371282, 102.41],
> ['Fiumicino', 67370, 213.44],
> ['Anzio', 52192, 43.43],
> ['Ciampino', 38262, 11]
> ]);
>
> var options = {
> region: 'IT',
> displayMode: 'markers',
> colorAxis: {colors: ['green', 'blue']}
> };
>
> var chart = new
> google.visualization.GeoChart(document.getElementById('chart_div'));
> chart.draw(data, options);
> };
>
>
>
>
>
>
>
>
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