BpfWriter.hpp

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#pragma once

#include <vector>

#include <pdal/OStream.hpp>
#include <pdal/Writer.hpp>

#include "BpfHeader.hpp"

namespace pdal
{

class Schema;

class PDAL_DLL BpfWriter : public Writer
{
public:
    SET_STAGE_NAME("drivers.bpf.writer", "BPF Writer");
    SET_STAGE_LINK("http://pdal.io/stages/writers.bpf.html")
    SET_STAGE_ENABLED(true);

    static Options getDefaultOptions();

    BpfWriter(const Options& options) : Writer(options)
    {}

private:
    OLeStream m_stream;
    BpfHeader m_header;
    Schema *m_schema;
    std::string m_filename;
    BpfDimensionList m_dims;
    bool m_writeIdentity_xform;

    virtual void processOptions(const Options& options);
    virtual void ready(PointContext ctx);
    virtual void write(const PointBuffer& buf);
    virtual void done(PointContext ctx);

    double getAdjustedValue(const PointBuffer& buf, BpfDimension& bpfDim,
        PointId idx);
    void loadBpfDimensions(PointContext ctx);
    void writePointMajor(const PointBuffer& buf);
    void writeDimMajor(const PointBuffer& buf);
    void writeByteMajor(const PointBuffer& buf);
    void writeCompressedBlock(char *buf, size_t size);
};

} // namespace pdal