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Pruning of spatial queries on geodetic data when query window has holes

  • US 20050203932A1
  • Filed: 05/05/2005
  • Published: 09/15/2005
  • Est. Priority Date: 06/22/2001
  • Status: Active Grant
First Claim
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1. A method for evaluating a spatial query comprising:

  • receiving a spatial query defining a query window including a void;

    identifying an interior circle for the query window, wherein the interior circle includes a void;

    modifying the at least one interior circle to exclude the void; and

    using the modified interior circle to evaluate the spatial query.

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