14. The visualization system of claim 1 wherein the processor is further configured to represent the information on the user interface as data objects movable in said space and to visualize a first portion of said space and float a selected data object over data objects not selected to float in said space, whereby, while moving along a path to visualize a second portion of said space, said data objects not selected to float and located along the path are visualized under said selected data object.
14. The visualization system of claim 1 wherein the processor is further configured to represent the information on the user interface as data objects movable in said space and to visualize a first portion of said space and float a selected data object over data objects not selected to float in said space, whereby, while moving along a path to visualize a second portion of said space, said data objects not selected to float and located along the path are visualized under said selected data object. 15. The visualization system of claim 14 wherein the processor is further configured to visually represent the selected data object transparently on the user interface thereby to visualize data objects under said selected data object.