Google Chart Tools consists of two kinds of charts with different features and different requirements to use. These two chart types are based on two different APIs -- Image Charts and Interactive Charts. For more details, go to: http://code.google.com/apis/charttools/docs/choosing.html
Your question was posted in the Image Charts forum. Based on your requirements an Interactive Chart is probably your best solution. Homepage: http://code.google.com/apis/visualization/interactive_charts.html Forum: http://groups.google.com/group/google-visualization-api That said, you might be able to use an Image Chart... http://chart.apis.google.com/chart?chxt=x,y&chbh=a&chs=300x150&cht=bvs&chco=3D7930,A2C180&chd=t:10,20,30,40|20,30,50,20&chm=N,FF0000,-1,,12 - bar chart; two data series; marker displays the sum - you can request a JSON version of the chart by adding "&chof=json". This will help you build an image map. Read more at http://code.google.com/apis/chart/docs/json_format.html - Given that your chart is likely dynamic, you'll be using some sort of scripting language. The original data is available to you and with the scripting language you can enhance your image map with additional details to show during hover. Hope that gets you started in the right direction - Cheers, Keith -- You received this message because you are subscribed to the Google Groups "Google Chart 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-chart-api?hl=en.
