ossimLasHdr.h

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//----------------------------------------------------------------------------
//
// File: ossimLasHdr.h
// 
// License:  MIT
// 
// See LICENSE.txt file in the top level directory for more details.
//
// Author:  David Burken
//
// Description: Container class for LAS LIDAR format public header block.
//
//----------------------------------------------------------------------------
// $Id$
#ifndef ossimLasHdr_HEADER
#define ossimLasHdr_HEADER 1

#include <ossim/base/ossimConstants.h>

#include <iosfwd>
#include <string>
class ossimKeywordlist;

class OSSIM_DLL ossimLasHdr
{
public:
   
   /* @brief default constructor */
   ossimLasHdr();

   /* @brief copy constructor */
   ossimLasHdr(const ossimLasHdr& hdr);

   /* @brief assignment operator= */
   const ossimLasHdr& operator=(const ossimLasHdr& hdr);

   /* destructor */
   ~ossimLasHdr();

   bool checkSignature(std::istream& in) const;   

   void readStream(std::istream& in);

   void writeStream(std::ostream& out);

   std::ostream& print(std::ostream& out) const;

   friend OSSIM_DLL std::ostream& operator<<(std::ostream& out, const ossimLasHdr& hdr);
   
   void getKeywordlist(ossimKeywordlist& kwl) const;

   bool getGpsTimeTypeBit() const;

   bool getWaveforDataPacketsInternalBit() const;

   bool getWaveforDataPacketsExternalBit() const;
   
   bool getReturnsSyntheticallyGeneratedBit() const;

   bool getWktBit() const;
   
   std::string getProjectIdGuid() const;

   std::string getVersion() const;

   std::string  getSystemIndentifier() const;

   std::string  getGeneratingSoftware() const;

   ossim_uint16 getHeaderSize() const;

   ossim_uint32 getOffsetToPointData() const;

   ossim_uint32 getNumberOfVlrs() const;

   ossim_uint8 getPointDataFormatId() const;

   ossim_uint64 getNumberOfPoints() const;

   ossim_uint64 getNumberOfPoints(ossim_uint32 entry) const;

   const ossim_float64& getScaleFactorX() const;
   const ossim_float64& getScaleFactorY() const;
   const ossim_float64& getScaleFactorZ() const;
   const ossim_float64& getOffsetX() const;
   const ossim_float64& getOffsetY() const;
   const ossim_float64& getOffsetZ() const;
   const ossim_float64& getMinX() const;
   const ossim_float64& getMinY() const;
   const ossim_float64& getMinZ() const;
   const ossim_float64& getMaxX() const;
   const ossim_float64& getMaxY() const;
   const ossim_float64& getMaxZ() const;
   
   
private:

   void swap();

   bool versionGreaterThan( ossim_uint8 major, ossim_uint8 minor ) const;

   char          m_fileSignature[5];
   ossim_uint16  m_fileSourceId;
   ossim_uint16  m_globalEncoding;
   ossim_uint32  m_projectIdGuidData1;
   ossim_uint16  m_projectIdGuidData2;
   ossim_uint16  m_projectIdGuidData3;
   ossim_uint8   m_projectIdGuidData4[8];
   ossim_uint8   m_versionMajor;
   ossim_uint8   m_versionMinor;
   char          m_systemIndentifier[32];
   char          m_generatingSoftware[32];
   ossim_uint16  m_fileCreationDay;
   ossim_uint16  m_fileCreateionYear;
   ossim_uint16  m_headerSize;
   ossim_uint32  m_offsetToPointData;
   ossim_uint32  m_numberOfVariableLengthRecords;
   ossim_uint8   m_pointDataFormatId;
   ossim_uint16  m_pointDataRecordLength;
   ossim_uint32  m_legacyNumberOfPointRecords;            // deprecated 1_4
   ossim_uint32  m_legacyNumberOfPointsByReturn[5];       // deprecated 1_4
   ossim_float64 m_xScaleFactor;
   ossim_float64 m_yScaleFactor;
   ossim_float64 m_zScaleFactor;
   ossim_float64 m_xOffset;
   ossim_float64 m_yOffset;
   ossim_float64 m_zOffset;
   ossim_float64 m_maxX;
   ossim_float64 m_minX;
   ossim_float64 m_maxY;
   ossim_float64 m_minY;
   ossim_float64 m_maxZ;
   ossim_float64 m_minZ;
   ossim_uint64  m_startOfWaveformDataPacket;             // Added 1_3
   ossim_uint64  m_startOfExtendedVariableLengthRecords;  // Added 1_4
   ossim_uint32  m_numberOfExtendedVariableLengthRecords; // Added 1_4
   ossim_uint64  m_numberOfPointRecords;                  // Added 1_4
   ossim_uint64  m_numberOfPointsByReturn[15];            // Added 1_4
   
};

#endif /* End of "#ifndef ossimLasHdr_HEADER" */