v0.2.52..v0.2.53 changeset DuplicateNodeRemover.h

diff --git a/hoot-core/src/main/cpp/hoot/core/ops/DuplicateNodeRemover.h b/hoot-core/src/main/cpp/hoot/core/ops/DuplicateNodeRemover.h
new file mode 100644
index 0000000..4bd4df6
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/ops/DuplicateNodeRemover.h
@@ -0,0 +1,101 @@
+/*
+ * This file is part of Hootenanny.
+ *
+ * Hootenanny is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --------------------------------------------------------------------
+ *
+ * The following copyright notices are generated automatically. If you
+ * have a new notice to add, please use the format:
+ * " * @copyright Copyright ..."
+ * This will properly maintain the copyright information. DigitalGlobe
+ * copyrights will be updated automatically.
+ *
+ * @copyright Copyright (C) 2015, 2017, 2018, 2019, 2020 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+
+#ifndef DUPLICATE_NODE_REMOVER_H
+#define DUPLICATE_NODE_REMOVER_H
+
+// hoot
+#include <hoot/core/info/OperationStatusInfo.h>
+#include <hoot/core/io/Serializable.h>
+#include <hoot/core/util/Boundable.h>
+#include <hoot/core/ops/OsmMapOperation.h>
+#include <hoot/core/util/Units.h>
+#include <hoot/core/util/StringUtils.h>
+#include <hoot/core/elements/OsmMap.h>
+
+// GEOS
+#include <geos/geom/Envelope.h>
+
+namespace hoot
+{
+
+/**
+ * Merges together nodes that are within a small configurable distance of each other and don't have
+ * differing tags (outside of metadata tags).
+ *
+ * This class works with four pass as long as distance is less than the four pass buffer. The input
+ * map can be in either a planar or geographic projection.
+ */
+class DuplicateNodeRemover : public OsmMapOperation, public Serializable, public Boundable,
+  public OperationStatusInfo
+{
+public:
+
+  static std::string className() { return "hoot::DuplicateNodeRemover"; }
+
+  DuplicateNodeRemover(Meters distanceThreshold = -1.0);
+
+  virtual void apply(std::shared_ptr<OsmMap>& map);
+
+  virtual std::string getClassName() const override { return className(); }
+
+  /**
+   * Removes duplicate nodes from a map
+   *
+   * @param map the map to remove duplicate nodes from
+   * @param distanceThreshold the distance threshold under which nodes are considered duplicates
+   * based on proximity
+   */
+  static void removeNodes(std::shared_ptr<OsmMap> map, Meters distanceThreshold = -1);
+
+  virtual void readObject(QDataStream& is) override;
+
+  virtual void setBounds(const geos::geom::Envelope& bounds) override { _bounds = bounds; }
+
+  virtual void writeObject(QDataStream& os) const override;
+
+  virtual QString getDescription() const override { return "Removes duplicate nodes"; }
+
+  virtual QString getInitStatusMessage() const override { return "Removing duplicate nodes..."; }
+
+  virtual QString getCompletedStatusMessage() const override
+  { return "Merged " + StringUtils::formatLargeNumber(_numAffected) + " node pairs."; }
+
+protected:
+
+  std::shared_ptr<OsmMap> _map;
+  Meters _distance;
+  geos::geom::Envelope _bounds;
+
+  void _logMergeResult(const long nodeId1, const long nodeId2, OsmMapPtr& map, const bool replaced,
+                       const double distance = -1.0, const double calcdDistance = -1.0);
+  bool _passesLogMergeFilter(const long nodeId1, const long nodeId2, OsmMapPtr& map) const;
+};
+
+}
+
+#endif // DUPLICATE_NODE_REMOVER_H