Validation level: 5. CHI, UIST, CSCW and TOCHI paper publication

With this zooming technique, the user creates focus regions in maps. The regions, delimited by rectangles, are displayed in the bottom part of the program and can be compared and amplified. It is also possible to create other focus regions inside them, creating a tree of zooms inside the map.

Copy Bibtex Ware, C. and Lewis, M. The DragMag Image Magnifier. In Conference Companion on Human Factors in Computing Systems, pages 407-408, ACM, New York, NY, USA, CHI '95 , 1995.
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Storyboard of Functions

Creating a rectangle. This section will be a focus region.

By clicking the zooming button, the focus region becomes the main display.

Create a new focus region inside existing ones. It creates a hierarchy of zoomed sections.

Subjective ratings of standard Zooming and PolyZoom.
Performance metrics of the experiment done. Comparing standard zooming and PolyZoom.

Hierarchical trees of zooming regions. It provides the possibility to organize and compare them.