Method loadPath

io/EsriReader.cpp:648–693

EsriReader::TileContents EsriReader::loadPath(const std::string& filepath)
{
    auto checkSize = [](const DimData& dim, size_t exp, size_t actual)
    {
        std::string err;
        if (exp != actual)
            err = "Bad fetch of data for field '" + dim.name + "'.";
        return err;
    };

    TileContents tile(filepath, m_extraDimCount);

    const std::string geomUrl = filepath + "/geometries/";
    auto xyzFetch = m_interface->fetchBinary(geomUrl, "0", ".bin.pccxyz");
    tile.m_xyz = i3s::decompressXYZ(&xyzFetch);

    size_t size = tile.m_xyz.size();
    const std::string attrUrl = filepath + "/attributes/";
    for (const DimData& dim : m_esriDims)
    {
        if (dim.name == "RGB")
        {
            auto data = m_interface->fetchBinary(attrUrl, std::to_string(dim.key),
                ".bin.pccrgb");
            tile.m_rgb = i3s::decompressRGB(&data);
            tile.m_error = checkSize(dim, size, tile.m_rgb.size());
        }
        else if (dim.name == "INTENSITY")
        {
            auto data = m_interface->fetchBinary(attrUrl, std::to_string(dim.key),
                ".bin.pccint");
            tile.m_intensity = i3s::decompressIntensity(&data);
            tile.m_error = checkSize(dim, size, tile.m_intensity.size());
        }
        else
        {
            std::vector<char>& data = tile.m_data[dim.pos];
            data = m_interface->fetchBinary(attrUrl, std::to_string(dim.key), ".bin.gz");
            tile.m_error = checkSize(dim, size * Dimension::size(dim.type),
                data.size());
        }
        if (tile.m_error.size())
            break;
    }
    return tile;
}

} //namespace pdal