/usr/include/pdal/io/LasReader.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) 2011, Michael P. Gerlek (mpg@flaxen.com)
*
* 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,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
****************************************************************************/
#pragma once
#include <pdal/pdal_export.hpp>
#include <pdal/plugin.hpp>
#include <pdal/Compression.hpp>
#include <pdal/PDALUtils.hpp>
#include <pdal/Reader.hpp>
#include "LasError.hpp"
#include "LasHeader.hpp"
#include "LasUtils.hpp"
#include "LasZipPoint.hpp"
extern "C" int32_t LasReader_ExitFunc();
extern "C" PF_ExitFunc LasReader_InitPlugin();
namespace pdal
{
class NitfReader;
class LasHeader;
class LeExtractor;
class PointDimensions;
class PDAL_DLL LasReader : public pdal::Reader
{
protected:
class LasStreamIf
{
protected:
LasStreamIf()
{}
public:
LasStreamIf(const std::string& filename)
{ m_istream = Utils::openFile(filename); }
~LasStreamIf()
{
if (m_istream)
Utils::closeFile(m_istream);
}
std::istream *m_istream;
};
friend class NitfReader;
public:
LasReader() : pdal::Reader(), m_index(0)
{}
static void * create();
static int32_t destroy(void *);
std::string getName() const;
const LasHeader& header() const
{ return m_header; }
point_count_t getNumPoints() const
{ return m_header.pointCount(); }
protected:
virtual void createStream()
{
if (m_streamIf)
std::cerr << "Attempt to create stream twice!\n";
m_streamIf.reset(new LasStreamIf(m_filename));
if (!m_streamIf->m_istream)
{
std::ostringstream oss;
oss << "Unable to open stream for '"
<< m_filename <<"' with error '" << strerror(errno) <<"'";
throw pdal_error(oss.str());
}
}
std::unique_ptr<LasStreamIf> m_streamIf;
private:
LasError m_error;
LasHeader m_header;
std::unique_ptr<LasZipPoint> m_zipPoint;
std::unique_ptr<LASunzipper> m_unzipper;
std::unique_ptr<LazPerfVlrDecompressor> m_decompressor;
std::vector<char> m_decompressorBuf;
point_count_t m_index;
StringList m_extraDimSpec;
std::vector<ExtraDim> m_extraDims;
std::string m_compression;
virtual void addArgs(ProgramArgs& args);
virtual void initialize(PointTableRef table)
{ initializeLocal(table, m_metadata); }
virtual void initializeLocal(PointTableRef table, MetadataNode& m);
virtual void addDimensions(PointLayoutPtr layout);
virtual QuickInfo inspect();
virtual void ready(PointTableRef table);
virtual point_count_t read(PointViewPtr view, point_count_t count);
virtual bool processOne(PointRef& point);
virtual void done(PointTableRef table);
virtual bool eof()
{ return m_index >= getNumPoints(); }
void setSrs(MetadataNode& m);
void readExtraBytesVlr();
void extractHeaderMetadata(MetadataNode& forward, MetadataNode& m);
void extractVlrMetadata(MetadataNode& forward, MetadataNode& m);
void loadPoint(PointRef& point, char *buf, size_t bufsize);
void loadPointV10(PointRef& point, char *buf, size_t bufsize);
void loadPointV14(PointRef& point, char *buf, size_t bufsize);
void loadExtraDims(LeExtractor& istream, PointRef& data);
point_count_t readFileBlock(std::vector<char>& buf,
point_count_t maxPoints);
LasReader& operator=(const LasReader&); // not implemented
LasReader(const LasReader&); // not implemented
};
} // namespace pdal
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