Method writePointMajor

io/BpfWriter.cpp:286–317

void BpfWriter::writePointMajor(const PointView* data)
{
    // Blocks of 10,000 points will ensure that we're under 16MB, even
    // for 255 dimensions.
    size_t blockpoints = std::min<point_count_t>(10000UL, data->size());

    // For compression we're going to write to a buffer so that it can be
    // compressed before it's written to the file stream.
    BpfCompressor compressor(m_stream,
        blockpoints * sizeof(float) * m_dims.size());
    PointId idx = 0;
    while (idx < data->size())
    {
        if (m_header.m_compression)
            compressor.startBlock();
        size_t blockId;
        for (blockId = 0; idx < data->size() && blockId < blockpoints;
            ++idx, ++blockId)
        {
            for (auto & bpfDim : m_dims)
            {
                double d = getAdjustedValue(data, bpfDim, idx);
                m_stream << (float)d;
            }
        }
        if (m_header.m_compression)
        {
            compressor.compress();
            compressor.finish();
        }
    }
}


void BpfWriter::writeDimMajor(const PointView* data)