diff --git a/hoot-core/src/main/cpp/hoot/core/ops/RandomNodeDuplicator.cpp b/hoot-core/src/main/cpp/hoot/core/ops/RandomNodeDuplicator.cpp
new file mode 100644
index 0000000..ab6b2d4
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/ops/RandomNodeDuplicator.cpp
@@ -0,0 +1,116 @@
+/*
+ * 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, 2016, 2017, 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+#include "RandomNodeDuplicator.h"
+
+// boost
+#include <boost/random/normal_distribution.hpp>
+#include <boost/random/uniform_real.hpp>
+#include <boost/random/variate_generator.hpp>
+
+// hoot
+#include <hoot/core/util/Factory.h>
+#include <hoot/core/elements/OsmMap.h>
+#include <hoot/core/util/MapProjector.h>
+#include <hoot/core/util/Settings.h>
+#include <hoot/core/util/ConfigOptions.h>
+#include <hoot/core/util/RandomNumberUtils.h>
+#include <hoot/core/util/Log.h>
+
+namespace hoot
+{
+
+HOOT_FACTORY_REGISTER(OsmMapOperation, RandomNodeDuplicator)
+
+RandomNodeDuplicator::RandomNodeDuplicator()
+{
+ _localRng.reset(new boost::minstd_rand(1));
+ _rng = _localRng.get();
+}
+
+void RandomNodeDuplicator::apply(OsmMapPtr& map)
+{
+ _numAffected = 0;
+
+ MapProjector::projectToPlanar(map);
+
+ boost::uniform_real<> uni(0.0, 1.0);
+ boost::normal_distribution<> nd;
+ boost::variate_generator<boost::minstd_rand&, boost::normal_distribution<>> N(*_rng, nd);
+
+ // make a copy since we'll be modifying the map as we go.
+ NodeMap nm = map->getNodes();
+ for (NodeMap::const_iterator it = nm.begin(); it != nm.end(); ++it)
+ {
+ if (uni(*_rng) < _p)
+ {
+ const NodePtr& n = it->second;
+ int copies = round(fabs(N() * _duplicateSigma)) + 1;
+
+ for (int i = 0; i < copies; i++)
+ {
+ duplicateNode(n, map);
+ }
+ }
+ }
+}
+
+void RandomNodeDuplicator::duplicateNode(const NodePtr& n, const OsmMapPtr& map)
+{
+ boost::normal_distribution<> nd;
+ boost::variate_generator<boost::minstd_rand&, boost::normal_distribution<>> N(*_rng, nd);
+
+ Meters sigma = n->getCircularError() / 2.0;
+ double x = n->getX() + N() * sigma * _moveMultiplier;
+ double y = n->getY() + N() * sigma * _moveMultiplier;
+
+ NodePtr newNode(
+ new Node(n->getStatus(), map->createNextNodeId(), x, y, n->getCircularError()));
+
+ map->addNode(newNode);
+
+ _numAffected++;
+}
+
+void RandomNodeDuplicator::setConfiguration(const Settings& conf)
+{
+ ConfigOptions configOptions(conf);
+ setDuplicateSigma(configOptions.getRandomNodeDuplicatorSigma());
+ setProbability(configOptions.getRandomNodeDuplicatorProbability());
+ setMoveMultiplier(configOptions.getRandomNodeDuplicatorMoveMultiplier());
+ const int seed = configOptions.getRandomSeed();
+ LOG_VARD(seed);
+ if (seed == -1)
+ {
+ _rng->seed(RandomNumberUtils::generateSeed());
+ }
+ else
+ {
+ _rng->seed(seed);
+ }
+}
+
+}