Browsers for large geometric data visualization

Details Browsers for large geometric data visualization Browsers for large geometric data visualization

2005-03-15

2011-10-18

Ke, Simon (Department: 2174)

Data processing: presentation processing of document, operator i

Operator interface

On-screen workspace or object

C715S767000, C715S768000, C715S782000

Reexamination Certificate

active

08042056

ABSTRACT:
A representation of a physical object can be displayed even where the amount of geometric data is too large to be stored in resident memory. A primary viewing window displays point data for the object using a substantially even sampling of data at an appropriate point density for the system. At least one auxiliary viewing window displays a two-dimensional representation of the point data. A user can select a portion of the data in the auxiliary window(s), such as by selecting cells of an overlaid grid, to be displayed in the primary window using a rendering such as a “visible” rendering. The remainder of the displayed data can be displayed using a rendering such as a “hidden” or “transparent” rendering. The resolution of the selected region can be increased while maintaining a substantially even spacing among points for the region. The resolution of the unselected region can be decreased accordingly.

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