breaklinestrips.h

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#ifndef OPENSWMMVIS_MESH_BREAKLINESTRIPS_H
#define OPENSWMMVIS_MESH_BREAKLINESTRIPS_H
 
#include <QPair>
#include <QPointF>
#include <QVector>
 
#include <functional>
 
namespace mesh
{
 
struct FacingPairOptions {
    double minWidth = 0.0; 
    double maxWidth = 0.0;
    double station = 0.0;      
    double maxAngleDeg = 20.0; 
    double widthChange =
        0.25; 
    int minStations = 4; 
    double endTrimFraction = 0.25;
    std::function<double(double, double)> elevationAt;
};
 
struct FacingPair {
    int lineA = -1, lineB = -1;    
    QVector<QPointF> bankA, bankB; 
    double width = 0.0;            
    double length = 0.0;           
};
 
[[nodiscard]] QVector<FacingPair> findFacingPairs(const QVector<QVector<QPointF>> &lines,
                                                  const QVector<QPair<QPointF, QPointF>> &obstacles,
                                                  const FacingPairOptions &opt);
 
} // namespace mesh
 
#endif // OPENSWMMVIS_MESH_BREAKLINESTRIPS_H