[jira] [Created] (LUCENE-4742) Rename SpatialPrefixTree's "Node" back to "Cell"

["David Smiley (JIRA)" <ji...@apache.org>]

David Smiley created LUCENE-4742:
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             Summary: Rename SpatialPrefixTree's "Node" back to "Cell"
                 Key: LUCENE-4742
                 URL: https://issues.apache.org/jira/browse/LUCENE-4742
             Project: Lucene - Core
          Issue Type: Improvement
          Components: modules/spatial
            Reporter: David Smiley
            Priority: Trivial


SpatialPrefixTree makes "Node"s which are basically a rectangular spatial region that is more colloquially referred to as a "Cell".  It was named "Cell" in the first place and for whatever reason, Ryan and/or Chris renamed it as part of extracting it to a top level class from an inner class.  Most comments and variable names still use the "cell" terminology.  I'm working on an algorithm that keeps track of a tree of "nodes" and it has gotten confusing which kind of node I'm referring to, as each Node has one cell.

In maybe a week or so if there isn't discussion to the contrary, I'm going to commit a rename it back to "Cell".  And... while we're on this naming subject, perhaps "SpatialPrefixTree" could be named "SpatialGrid" ?  FWIW the variables referring to it are always "grid".

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