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