The reason you see repeating months in the x-axis is because the axis is
actually displaying multiple days per month, formatted as "yyyy-MM". You
can change the locations of tick marks by specifying the hAxis.ticks
option, eg:
hAxis: {
title: "X",
titleTextStyle: {color: "green"},
format: 'yyyy-MM',
ticks: [new Date(2014, 5, 1), new Date(2014, 6, 1)]
}
On Tuesday, June 24, 2014 10:44:59 AM UTC-4, min ji wrote:
>
> hello everyone,
> I want to create a scatter chat . I have a set of monthly data. In the
> hAxis, I just want to show the date with the format yyyy-mm. I write the
> code below but i get chart strange (in the hAxis, one month will be shown
> several times. I just want one month to be shown once ).
> Who knows how to do it?
> Thank you in advance.
>
> function drawVisualization() {
> // Create and populate the data table.
> var data = new google.visualization.DataTable();
>
> var data = google.visualization.arrayToDataTable([
> ['Age', 'Weight'],
> [ new Date("2014","05","02"), 12],
> [ new Date("2014","06","02"), 12]
> ]);
>
>
> // Create and draw the visualization.
> var chart = new google.visualization.ScatterChart(
> document.getElementById('visualization'));
> chart.draw(data, {title: 'Cool shapes',
> width: 600, height: 400,
> vAxis: {title: "Y", titleTextStyle: {color: "green"}
> },
> hAxis: {title: "X", titleTextStyle: {color: "green"}
> , format: 'yyyy-MM'}}
> );
> }
>
>
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