Program Listing for File PLYLoader.h

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#ifndef __PLYLoader_h__
#define __PLYLoader_h__

#include <string>
#include "Logger.h"
#include "extern/happly/happly.h"
#include <array>

namespace Utilities
{
    class PLYLoader
    {
    public:
        static void loadPly(const std::string &filename, std::vector<std::array<float, 3>> &x, std::vector<std::array<int, 3>> &faces, const std::array<float, 3>&scale)
        {
            LOG_INFO << "Loading " << filename;

            happly::PLYData plyIn(filename.c_str());
            std::vector<std::array<double, 3>> vPos = plyIn.getVertexPositions();
            std::vector<std::vector<int>> fInd = plyIn.getFaceIndices<int>();

            x.resize(vPos.size());
            for (unsigned int i = 0; i < vPos.size(); i++)
            {
                x[i] = {
                    scale[0] * static_cast<float>(vPos[i][0]),
                    scale[1] * static_cast<float>(vPos[i][1]),
                    scale[2] * static_cast<float>(vPos[i][2])
                };
            }

            faces.resize(fInd.size());
            for (unsigned int i = 0; i < fInd.size(); i++)
                faces[i] = { static_cast<int>(fInd[i][0]), static_cast<int>(fInd[i][1]), static_cast<int>(fInd[i][2]) };
        }

    };
}

#endif