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Variable density depthmap

  • US 8,718,922 B2
  • Filed: 07/28/2011
  • Issued: 05/06/2014
  • Est. Priority Date: 07/28/2011
  • Status: Active Grant
First Claim
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1. A method for organizing spatial data, the method comprising:

  • receiving a location data point from a navigation device;

    identifying a plurality of data points indexed by a geographic distance from the location data point;

    comparing the geographic distance from each of the plurality of data points to the location data point;

    assigning at least one of the plurality of data points within a minimum distance from the location data point into a first cell;

    assigning a subset of the plurality of data points greater than the minimum distance from the location data point into a second cell, wherein the subset of the plurality of data points comprises two or more data points;

    constructing a depthmap including the first cell and the second cell, wherein the second cell is geographically larger than the first cell; and

    sending the depthmap for display on the navigation device.

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