Initial commit

Lts/Services/CentralEffectSimulation/Plugins/Explosions/expand_polygon.cpp

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+/**
+  * @RDE_HEADER@
+  * Extend a polygon by a distance of <double> meters.
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  */
+
+#include "expand_polygon.h"
+
+#include <CentralEffectSimulation/logger.h>
+
+#include <arcgis/PolygonBuilder.h>
+#include <arcgis/GeometryEngine.h>
+
+namespace CesExplosions
+{
+namespace ExpandPolygon
+{
+
+QPolygonF bufferUtmPolygon(const QPolygonF &polygonUtmIn, const int zone, const double distance, double maxDeviation, QString *errorOut)
+{
+  static CentralEffectSimulation::LOGGER_T logger = CentralEffectSimulation::getLogger("Plugin.Explosions.HandlerExplosions");
+
+  //  return (polygonUtmIn);
+  Q_UNUSED(maxDeviation);
+
+  Esri::ArcGISRuntime::PolygonBuilder polygonBuilder(Esri::ArcGISRuntime::SpatialReference(32600 + zone));
+  DEBUG_LOG(logger) << "ExpandPolygon::bufferUtmPolygon";
+
+  for (const QPointF &pointUtm : qAsConst(polygonUtmIn))
+    polygonBuilder.addPoint(Esri::ArcGISRuntime::Point(pointUtm.x(), pointUtm.y(), 0));
+  const Esri::ArcGISRuntime::Geometry &esriGeometry = polygonBuilder.toGeometry();
+
+  const Esri::ArcGISRuntime::Polygon polyline =
+    Esri::ArcGISRuntime::GeometryEngine::buffer(esriGeometry, distance);
+
+  if (polyline.parts().isEmpty())
+  {
+    if (errorOut)
+      *errorOut = QStringLiteral("GeometryEngine::buffer failed (no parts");
+    return {};
+  }
+
+
+  const Esri::ArcGISRuntime::ImmutablePart &immutablePart = polyline.parts().part(0);
+  const int size = immutablePart.pointCount();
+
+  QPolygonF bufferedPoly;
+  bufferedPoly.reserve(size);
+
+  for (int i = 0; i < size; ++i)
+  {
+    const Esri::ArcGISRuntime::Point &esriP = immutablePart.point(i);
+    bufferedPoly.append(QPointF(esriP.x(), esriP.y()));
+  }
+  DEBUG_LOG(logger) << "ExpandPolygon return bufferedPoly size=" << bufferedPoly.size();
+  return bufferedPoly;
+}
+
+} // namespace ExpandPolygon
+} // namespace CesExplosions