Collaborative Online-Whiteboard with Server-Push Technologies

Description Online-Whiteboard is a framework and academic web application built on top of the Raphaël / jQuery JavaScript libraries, Atmosphere framework and HTML5 WebSockets. Raphaël simplifies the work with vector graphics on the web. Chosen Server-Push frameworks exemplify real-time collaborations on basis different approaches and bidirectional protocols. The web front-end leverages JavaServer Faces and uses PrimeFaces as JSF component library. The application is cross-browser compatible and runs in any modern browsers. By means of the collaborative Whiteboard you are able to draw shapes like rectangle, circle, ellipse, draw free, straight lines, input any text and paste images or predefined icons. Whiteboard"s elements have editable properties like coordinates, color, width, height, scale factor, etc. They can be rearranged per drag-&-drop. Changes on the Whiteboard are propagated to all participants in real