QUADBASE SYSTEMS EARLIER this week announced availability of EspressChart v4.0, a Java-based charting tool. EspressChart allows developers and users to develop and configure professional-looking charts via a point-and-click interface called Chart Designer. In Version 4.0, Chart Designer has been redesigned to provide a simpler, user-customizable design tool. The interface now can be launched via the API in custom configurations with internationalization, allowing for integration within applications. Chart Designer includes a tool called Data Source Manager, for retrieving data from relational databases, test files, XML filesb and EJB. Version 4.0 features new chart options, including pie charts with data series and multi-axis overlay charts. Drill-down capability has been expanded to enable users to rely on data relationships within relational databases to link series of charts, the company said. Software Development