GeoLib/Utils.cpp

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#include "Utils.h"
 
#include "BaseLib/Error.h"
 
namespace GeoLib
{
std::vector<GeoLib::Point*> generateEquidistantPoints(
    MathLib::Point3d const& begin, MathLib::Point3d const& end,
    int const number_of_subdivisions)
{
    if (number_of_subdivisions < 0)
    {
        OGS_FATAL(
            "generateEquidistantPoints: number of subdivisions is required to "
            "be non-negative.");
    }
 
    auto const& start = begin.asEigenVector3d();
    auto const& stop = end.asEigenVector3d();
    auto const delta = (stop - start) / (number_of_subdivisions + 1);
 
    std::vector<GeoLib::Point*> points;
 
    for (int i = 0; i <= number_of_subdivisions; ++i)
    {
        auto const p = start + i * delta;
        points.push_back(new GeoLib::Point{p[0], p[1], p[2]});
    }
    points.push_back(new GeoLib::Point{stop[0], stop[1], stop[2]});
 
    return points;
}
 
}  // namespace GeoLib