Description
 

This example shows how to use WebCharter and ImageFetcher for creating KML files containing charts:



The workspace takes an XLS file containing some education statistics and country centroids in FFS format, forms a url, which is sent to Google Chart service, gets images back, creates a KML file with two subdocuments. The first, TimeDistributionChartsOnTheFly shows how to use Google Chart service on the fly - each feature contains a url, which calls the service. The second subdocument TimeDistributionLocalImages uses images saved locally with a separate PNG writer. The second method shows better flexibility in chart formatting (e.g using periods), whereas the on-the-fly method is more portable and compact.