v0.2.48..v0.2.49 changeset PointsToPolysConverter.h

diff --git a/hoot-core/src/main/cpp/hoot/core/ops/PointsToPolysConverter.h b/hoot-core/src/main/cpp/hoot/core/ops/PointsToPolysConverter.h
new file mode 100644
index 0000000..b76b379
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/ops/PointsToPolysConverter.h
@@ -0,0 +1,77 @@
+/*
+ * 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) 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+#ifndef _POINTS_TO_POLYS_CONVERTER_H_
+#define _POINTS_TO_POLYS_CONVERTER_H_
+
+// Hoot
+#include <hoot/core/elements/OsmMap.h>
+#include <hoot/core/ops/OsmMapOperation.h>
+#include <hoot/core/info/OperationStatusInfo.h>
+#include <hoot/core/util/StringUtils.h>
+
+namespace hoot
+{
+
+/**
+ * Converts any node in a map that isn't a child of another element to a small square polygon. This
+ * can be useful if you need to calculate an alpha shape for a small number of points.
+ */
+class PointsToPolysConverter : public OsmMapOperation, public OperationStatusInfo
+{
+public:
+
+  static std::string className() { return "hoot::PointsToPolysConverter"; }
+
+  PointsToPolysConverter(const double bufferSize = 1.0);
+
+  virtual void apply(OsmMapPtr& map);
+
+  virtual std::string getClassName() const { return className(); }
+
+  virtual QString getInitStatusMessage() const
+  { return "Converting non-child points to polygons..."; }
+
+  virtual QString getCompletedStatusMessage() const
+  {
+    return
+      "Converted " + StringUtils::formatLargeNumber(_numAffected) + " / " +
+      StringUtils::formatLargeNumber(_numProcessed) + " non-child points to polygons."; }
+
+  virtual QString getDescription() const
+  { return "Converts non-child points to rectangular polygons"; }
+
+private:
+
+  double _bufferSize;
+  QList<long> _nodeIdsConverted;
+
+  void _addPolyFromPoint(const ConstNodePtr& point, const OsmMapPtr& map);
+};
+
+}
+
+#endif // _POINTS_TO_POLYS_CONVERTER_H_