Rapid, spatial-data viewing and manipulating including data partition and indexing
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United States of America Patent
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Mar 5, 2013
Grant Date -
Jul 12, 2012
app pub date -
Mar 20, 2012
filing date -
Aug 30, 2007
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Abstract
A high-density, distance-measuring laser system and an associated computer that processes the data collected by the laser system. The computer determines a data partition structure and stores that structure as a header file for the scan before data is collected. As the scan progresses, the computer collects data points until a predetermined threshold is met, at which point a block of data consisting of the data points up to the threshold is written to disk. The computer indexes each data block using all three coordinates of its constituent data points using, preferably, a flexible index, such as an R-tree. When a data block is completely filled, it is written to disk preferably with its index and, as a result, each data block is ready for access and manipulation virtually immediately after having been collected. Also, each data block can be independently manipulated and read from disk.
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