point_cloud.hpp

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// OpenBEM - Copyright (C) 2026 Shashwat Sharma
 
// This file is part of OpenBEM.
 
// OpenBEM 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.
 
// You should have received a copy of the GNU General Public License along with OpenBEM.
// If not, see <https://www.gnu.org/licenses/>.
 
 
#ifndef GEOM_POINT_CLOUD_H
#define GEOM_POINT_CLOUD_H
 
#include <vector>
 
#include "types.hpp"
 
 
namespace bem
{
 
template <uint8_t dim>
class PointCloud
{
 
    static_assert((dim == 1 || dim == 2 || dim == 3), "PointCloud: `dim` must be 1, 2 or 3.");
 
public:
 
    PointCloud() {};
 
 
    PointCloud(ConstEigRef<EigMatNX<Float, dim>> points)
    {
        set_data(points);
        return;
    }
 
 
    void set_line_data(
        ConstEigRef<EigColVecN<Float, dim>> start,
        ConstEigRef<EigColVecN<Float, dim>> stop,
        const Index num_pts
        );
 
 
    void set_block_data(
        ConstEigRef<EigColVecN<Float, dim>> start,
        ConstEigRef<EigColVecN<Float, dim>> stop,
        ConstEigRef<EigColVecN<Index, dim>> num_pts
        );
 
 
    void set_polar_data(
        ConstEigRef<EigColVecN<Float, dim>> start,
        ConstEigRef<EigColVecN<Float, dim>> stop,
        ConstEigRef<EigColVecN<Float, dim>> center,
        ConstEigRef<EigColVecN<Index, dim>> num_pts
        );
 
 
    void set_data(ConstEigRef<EigMatNX<Float, dim>> points);
 
    void clear_data();
 
 
    const EigMatNX<Float, dim>& points() const
    { return points_; };
 
 
    EigColVecN<Float, dim> points(Index idx) const
    { return points_.col(idx); };
 
 
    Index num_points() const
    { return points_.cols(); };
 
 
protected:
 
    EigMatNX<Float, dim> points_;
 
};
 
}
 
#ifndef BEM_LINKED
#include "geometry/point_cloud.cpp"
#endif
 
#endif