Hi. Is it possible that the data table which is constructed from the csv has both columns type to be 'string' and not one 'string' and one 'number'? If this is the case, the outcome is indeed that no gauge is being displayed.
Viz Kid On Sun, Nov 29, 2009 at 2:26 PM, gman <[email protected]> wrote: > I just started playing with this yesterday and have run into a problem > I just cannot seem to get by. > > Using the sample code for gauges I can display the gauges fine. When I > get the data from a csv file, no gauges are displayed. However if I > change to display a table, it displays just fine. The csv file looks > like this: > > Label,Value > Memory,80 > CPU,55 > Network,68 > > This does work: > > // var data = response.getDataTable(); > var data = new google.visualization.DataTable(); > data.addColumn('string', 'Label'); > data.addColumn('number', 'Value'); > data.addRows(3); > data.setValue(0, 0, 'Memory');// data.setValue(0, 1, > 80); > data.setValue(1, 0, 'CPU');// data.setValue(1, 1, > 55); > data.setValue(2, 0, 'Network'); > data.setValue(2, 1, 68); > > var chart = new google.visualization.Gauge > (document.getElementById('char > t_div')); > chart.draw(data, null); > > This does not work: > > var data = response.getDataTable(); > // var data = new google.visualization.DataTable(); > // data.addColumn('string', 'Label'); > // data.addColumn('number', 'Value'); > // data.addRows(3); > // data.setValue(0, 0, 'Memory');// data.setValue(0, > 1, 80); > // data.setValue(1, 0, 'CPU');// data.setValue(1, 1, > 55); > // data.setValue(2, 0, 'Network'); > // data.setValue(2, 1, 68); > > var chart = new google.visualization.Gauge > (document.getElementById('char > t_div')); > chart.draw(data, null); > > Yet --- Exactly the same code, but changing to a table does work: > > var data = response.getDataTable(); > // var data = new google.visualization.DataTable(); > // data.addColumn('string', 'Label'); > // data.addColumn('number', 'Value'); > // data.addRows(3); > // data.setValue(0, 0, 'Memory');// data.setValue(0, > 1, 80); > // data.setValue(1, 0, 'CPU');// data.setValue(1, 1, > 55); > // data.setValue(2, 0, 'Network'); > // data.setValue(2, 1, 68); > > var chart = new google.visualization.Table > (document.getElementById('char > t_div')); > chart.draw(data, null); > > Any ideas or suggestions? > > -- > > You received this message because you are subscribed to the Google Groups > "Google Visualization API" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-visualization-api%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-visualization-api?hl=en. > > > -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-visualization-api?hl=en.
