VIRTUAL SPACE: Dapper Data Viewer is dandy

The National Oceanic and Atmospheric Administration's Pacific Marine Environmental Laboratory is exploring new frontiers on the Web with a browser-based application for viewing oceanographic and atmospheric data. The Dapper Data Viewer, also known as DChart, has features comparable to'if not quite as complete as'a desktop application, thanks to an emerging Web-app technology called Asynchronous JavaScript and XML (AJAX). Developer Joe Sirott created DChart with help of other staffers so users can visualize 'in-situ' oceanographic or atmospheric data, a particularly challenging type of data to render in graphical format.

To read more about DChart, go to and enter 537 in the box. To see what it can do, use

About the Author

Joab Jackson is the senior technology editor for Government Computer News.


  • business meeting (Monkey Business Images/

    Civic tech volunteers help states with legacy systems

    As COVID-19 exposed vulnerabilities in state and local government IT systems, the newly formed U.S. Digital Response stepped in to help. Its successes offer insight into existing barriers and the future of the civic tech movement.

  • data analytics (

    More visible data helps drive DOD decision-making

    CDOs in the Defense Department are opening up their data to take advantage of artificial intelligence and machine learning tools that help surface insights and improve decision-making.

Stay Connected