[pdal-commits] [PDAL/PDAL] e48566: Use signed int for clustering/grouping (#3085)

[chambbj]

  Branch: refs/heads/master
  Home:   https://github.com/PDAL/PDAL
  Commit: e485661e58b2f262bcf0378818c91b94aa97f328
      https://github.com/PDAL/PDAL/commit/e485661e58b2f262bcf0378818c91b94aa97f328
  Author: chambbj <brad.chambers at gmail.com>
  Date:   2020-05-21 (Thu, 21 May 2020)

  Changed paths:
    M filters/DBSCANFilter.cpp
    M filters/DBSCANFilter.hpp
    M filters/GroupByFilter.cpp
    M pdal/Dimension.json

  Log Message:
  -----------
  Use signed int for clustering/grouping (#3085)

Modify DBSCAN to use the standard ClusterID dimension, which is now
defined as int64. The Groupby filter is similarly instructed to evaluate
int64. This allows clustering algorithms like DBSCAN to use -1 to
indicate noise.