/usr/include/pdal/io/BpfReader.hpp is in libpdal-dev 1.4.0-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2014, Andrew Bell
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Hobu, Inc. or Flaxen Geo Consulting nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
****************************************************************************/
// BPF is an NGA specification for point cloud data. The specification can be
// found at https://nsgreg.nga.mil/doc/view?i=4202
#pragma once
#include <vector>
#include <pdal/Reader.hpp>
#include <pdal/util/Charbuf.hpp>
#include <pdal/util/IStream.hpp>
#include <pdal/pdal_export.hpp>
#include <pdal/plugin.hpp>
#include "BpfHeader.hpp"
#include <vector>
extern "C" int32_t BpfReader_ExitFunc();
extern "C" PF_ExitFunc BpfReader_InitPlugin();
namespace pdal
{
class PDAL_DLL BpfReader : public Reader
{
public:
static void * create();
static int32_t destroy(void *);
std::string getName() const;
virtual point_count_t numPoints() const
{ return (point_count_t)m_header.m_numPts; }
private:
ILeStream m_stream;
BpfHeader m_header;
BpfDimensionList m_dims;
Dimension::IdList m_schemaDims;
BpfUlemHeader m_ulemHeader;
std::vector<BpfUlemFrame> m_ulemFrames;
BpfPolarHeader m_polarHeader;
std::vector<BpfPolarFrame> m_polarFrames;
/// Stream position at the beginning of point records.
std::streampos m_start;
/// Index of the next point to read.
point_count_t m_index;
/// Buffer for deflated data.
std::vector<char> m_deflateBuf;
/// Streambuf for deflated data.
Charbuf m_charbuf;
// For dimension-major point-at-a-time usage.
std::vector<std::unique_ptr<ILeStream>> m_streams;
std::vector<std::unique_ptr<Charbuf>> m_charbufs;
virtual QuickInfo inspect();
virtual void initialize();
virtual void addDimensions(PointLayoutPtr Layout);
virtual void ready(PointTableRef table);
virtual bool processOne(PointRef& point);
virtual point_count_t read(PointViewPtr data, point_count_t num);
virtual void done(PointTableRef table);
bool readUlemData();
bool readUlemFiles();
bool readHeaderExtraData();
bool readPolarData();
void readPointMajor(PointRef& point);
point_count_t readPointMajor(PointViewPtr data, point_count_t count);
void readDimMajor(PointRef& point);
point_count_t readDimMajor(PointViewPtr data, point_count_t count);
void readByteMajor(PointRef& point);
point_count_t readByteMajor(PointViewPtr data, point_count_t count);
size_t readBlock(std::vector<char>& outBuf, size_t index);
bool eof();
int inflate(char *inbuf, uint32_t insize, char *outbuf, uint32_t outsize);
void seekPointMajor(PointId ptIdx);
void seekDimMajor(size_t dimIdx, PointId ptIdx);
void seekByteMajor(size_t dimIdx, size_t byteIdx, PointId ptIdx);
};
} // namespace pdal
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