Browsing Zoomable Treemaps: Structure-Aware Multi-Scale Navigation Techniques
IEEE Transactions on Visualization and Computer Graphics
Treemaps zoomables: techniques d'interaction multi-échelles pour les treemaps
IHM '07 Proceedings of the 19th International Conference of the Association Francophone d'Interaction Homme-Machine
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We present a new paradigm for achieving Focus + Contextvisualizations called smooth structural zooming, whichvaries the level of detail of the data in different areas ofthe visualization, as opposed to geometrically distorting thevisualization or employing rapid zooming techniques. Asmooth structural zooming technique for horizontal-vertical(h-v) inclusion tree layouts is described and applied to thedomain of the software design process, specifically, DesignBehaviour Trees (DBTs). This system has the ability to navigateand explore data too large to be fully displayed, whilstmaintaining an approximately constant level of visual complexity,good visualization aesthetics and preservation ofthe user's mental map through animation. The techniquemay be readily extended to arbitrary layout styles and algorithms,and to other hierarchical data structures and relationalinformation, such as clustered graphs.