75 lines
2.5 KiB
C++
Executable File
75 lines
2.5 KiB
C++
Executable File
/*
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* @RDE_HEADER@
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* Generates a postion for a player
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* $Id$
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* $HeadURL$
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* $Author$
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* Created by Hanna E. Rathje, SLTE, 2022-03-29
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*/
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#include "position_helper.h"
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#include <LtsCoordTrans/lts_coord_trans.h>
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#include <NGLLogger/NGLLoggerBootstrap.h>
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#include <QLineF>
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static QRectF s_area;
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static double s_heightMin;
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static double s_heightMax;
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namespace WlsRandomPositions
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{
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PositionHelper::PositionHelper(const QPointF &topLeft, const QPointF &bottomRight, double heightMin, double heightMax)
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: m_logger(NGL::NGLLoggerBootstrap::getNGLRootLogger().getNGLLogger("PositionHelper"))
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{
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s_area = QRectF(topLeft, bottomRight).normalized();
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s_heightMin = heightMin;
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s_heightMax = heightMax;
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INFO_LOG(m_logger) << "Area initialized: " << LtsCoordTrans::UtmCoordinate::fromGeographic(s_area.topLeft()).mgrs() << "//"
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<< LtsCoordTrans::UtmCoordinate::fromGeographic(s_area.bottomRight()).mgrs();
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}
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void PositionHelper::set(const QPointF &topLeft, const QPointF &bottomRight, double heightMin, double heightMax)
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{
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s_area = QRectF(topLeft, bottomRight).normalized();
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s_heightMin = heightMin;
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s_heightMax = heightMax;
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INFO_LOG(m_logger) << "New Area initialized: " << LtsCoordTrans::UtmCoordinate::fromGeographic(s_area.topLeft()).mgrs() << "//"
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<< LtsCoordTrans::UtmCoordinate::fromGeographic(s_area.bottomRight()).mgrs();
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}
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QPair<QPointF,double> PositionHelper::randPos()
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{
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LtsCoordTrans::UtmCoordinate bl = LtsCoordTrans::UtmCoordinate::fromGeographic(s_area.bottomLeft());
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LtsCoordTrans::UtmCoordinate tr = LtsCoordTrans::UtmCoordinate::fromGeographic(s_area.topRight());
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QPointF distance = bl.relativeTo(tr);
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// Multiplying with -1 works for all Degree Squares (northern/southern hemisphere, west/east of Greenwich)
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distance.setX((rand() % 100) / 100.0 * distance.x() * -1.0);
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distance.setY((rand() % 100) / 100.0 * distance.y() * -1.0);
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double z = (rand() % 100) / 100.0 * (s_heightMax - s_heightMin) + s_heightMin;
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return {bl.geographic(distance),z};
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}
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QPair<QPointF,double> PositionHelper::randPos(const QPointF &oldPos, double maxDistance)
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{
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double z = (rand() % 100) / 100.0 * (s_heightMax - s_heightMin) + s_heightMin;
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LtsCoordTrans::UtmCoordinate utm = LtsCoordTrans::UtmCoordinate::fromGeographic(oldPos);
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QLineF line;
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line.setP1({0,0});
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line.setP2({1,0});
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do
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{
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line.setAngle((rand() % 36000) / 100.0);
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line.setLength(((rand() % 100) / 100.0) * maxDistance);
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} while (!s_area.contains(utm.geographic(line.p2())));
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return {utm.geographic(line.p2()),z};
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}
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} // Namespace WlsRandomPositions
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