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v0.2.48..v0.2.49 changeset RandomTagModifier.cpp
Garret Voltz edited this page Oct 2, 2019
·
1 revision
diff --git a/hoot-core/src/main/cpp/hoot/core/visitors/RandomTagModifier.cpp b/hoot-core/src/main/cpp/hoot/core/visitors/RandomTagModifier.cpp
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+++ b/hoot-core/src/main/cpp/hoot/core/visitors/RandomTagModifier.cpp
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+/*
+ * 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 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+#include "RandomTagModifier.h"
+
+// boost
+#include <boost/random/uniform_int.hpp>
+#include <boost/random/uniform_real.hpp>
+
+// hoot
+#include <hoot/core/util/Factory.h>
+#include <hoot/core/ops/RecursiveElementRemover.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>
+
+// Standard
+#include <algorithm>
+
+namespace hoot
+{
+
+HOOT_FACTORY_REGISTER(ElementVisitor, RandomTagModifier)
+
+RandomTagModifier::RandomTagModifier()
+{
+ _localRng.reset(new boost::minstd_rand());
+ _rng = _localRng.get();
+}
+
+void RandomTagModifier::setConfiguration(const Settings& conf)
+{
+ ConfigOptions configOptions(conf);
+ setProbability(configOptions.getRandomTagModifierProbability());
+ const int seed = configOptions.getRandomSeed();
+ LOG_VARD(seed);
+ if (seed == -1)
+ {
+ _rng->seed(RandomNumberUtils::generateSeed());
+ }
+ else
+ {
+ _rng->seed(seed);
+ }
+ _exemptTagKeys = configOptions.getRandomTagModifierExemptTagKeys();
+ _replacementTagKeys = configOptions.getRandomTagModifierSubstitutionKeys();
+ _replacementTagValues = configOptions.getRandomTagModifierSubstitutionValues();
+}
+
+void RandomTagModifier::visit(const std::shared_ptr<Element>& e)
+{
+ boost::uniform_real<> uni(0.0, 1.0);
+
+ Tags t = e->getTags();
+ for (Tags::const_iterator it = t.constBegin(); it != t.constEnd(); ++it)
+ {
+ const QString tagKey = it.key();
+ if (uni(*_rng) <= _p && !_exemptTagKeys.contains(tagKey))
+ {
+ if (!_replacementTagKeys.contains(tagKey))
+ {
+ LOG_DEBUG("Removing tag with key: " << tagKey << " ...");
+ e->getTags().remove(tagKey);
+ }
+ else
+ {
+ const int tagIndex = _replacementTagKeys.indexOf(tagKey);
+ const QString tagValue = _replacementTagValues.at(tagIndex);
+ LOG_DEBUG("Substituting value: " << tagValue << " for tag with key: " << tagKey);
+ e->getTags().set(tagKey, tagValue);
+ }
+ }
+ }
+}
+
+}