v0.2.48..v0.2.49 changeset SearchBoundsCalculator.cpp

diff --git a/hoot-core/src/main/cpp/hoot/core/conflate/SearchBoundsCalculator.cpp b/hoot-core/src/main/cpp/hoot/core/conflate/SearchBoundsCalculator.cpp
new file mode 100644
index 0000000..3ccdb9d
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/conflate/SearchBoundsCalculator.cpp
@@ -0,0 +1,62 @@
+/*
+ * 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) 2017, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+#include "SearchBoundsCalculator.h"
+
+// hoot
+#include <hoot/core/util/GeometryUtils.h>
+
+namespace hoot
+{
+
+using namespace geos::geom;
+
+SearchBoundsCalculator::SearchBoundsCalculator(const SearchRadiusProviderPtr& radiusProvider)
+{
+  _radiusProvider = radiusProvider;
+}
+
+Envelope SearchBoundsCalculator::calculateSearchBounds(const ConstOsmMapPtr& map,
+  const ConstNodePtr& n) const
+{
+  LOG_VART(map->getElementCount());
+  LOG_VART(n->getElementId());
+
+  double radius = _radiusProvider->calculateSearchRadius(map, n);
+
+  Coordinate right = GeometryUtils::calculateDestination(n->toCoordinate(), 90, radius);
+  Coordinate top = GeometryUtils::calculateDestination(n->toCoordinate(), 0, radius);
+
+  double deltaX = right.x - n->getX();
+  double deltaY = top.y - n->getY();
+
+  Coordinate min = Coordinate(n->getX() - deltaX, n->getY() - deltaY);
+  Coordinate max = Coordinate(n->getX() + deltaX, n->getY() + deltaY);
+
+  return Envelope(min, max);
+}
+
+}