Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Purpose: Support for reading and manipulating PCIDSK Ephemeris Segments
       4             :  *
       5             :  ******************************************************************************
       6             :  * Copyright (c) 2009
       7             :  * PCI Geomatics, 90 Allstate Parkway, Markham, Ontario, Canada.
       8             :  *
       9             :  * Permission is hereby granted, free of charge, to any person obtaining a
      10             :  * copy of this software and associated documentation files (the "Software"),
      11             :  * to deal in the Software without restriction, including without limitation
      12             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      13             :  * and/or sell copies of the Software, and to permit persons to whom the
      14             :  * Software is furnished to do so, subject to the following conditions:
      15             :  *
      16             :  * The above copyright notice and this permission notice shall be included
      17             :  * in all copies or substantial portions of the Software.
      18             :  *
      19             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      20             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      21             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      22             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      23             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      24             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      25             :  * DEALINGS IN THE SOFTWARE.
      26             :  ****************************************************************************/
      27             : #ifndef INCLUDE_PCIDSK_SEGMENT_PCIDSKEPHEMERIS_SEG_H
      28             : #define INCLUDE_PCIDSK_SEGMENT_PCIDSKEPHEMERIS_SEG_H
      29             : 
      30             : #include "pcidsk_ephemeris.h"
      31             : #include "segment/cpcidsksegment.h"
      32             : 
      33             : namespace PCIDSK {
      34             :     class PCIDSKFile;
      35             : 
      36             :     class CPCIDSKEphemerisSegment : public PCIDSKEphemerisSegment,
      37             :                                     public CPCIDSKSegment
      38             :     {
      39             :     public:
      40             :         CPCIDSKEphemerisSegment(PCIDSKFile *file, int segment,const char *segment_pointer,bool bLoad=true);
      41             :         ~CPCIDSKEphemerisSegment();
      42             : 
      43           0 :         const EphemerisSeg_t& GetEphemeris() const override
      44             :         {
      45           0 :             return *mpoEphemeris;
      46             :         }
      47           0 :         void SetEphemeris(const EphemerisSeg_t& oEph) override
      48             :         {
      49           0 :             if(mpoEphemeris)
      50             :             {
      51           0 :                 delete mpoEphemeris;
      52             :             }
      53           0 :             mpoEphemeris = new EphemerisSeg_t(oEph);
      54           0 :             mbModified = true;
      55             : 
      56             :             //we set loaded to true to trigger the Write during synchronize
      57             :             //else if the segment has just been created it will not be saved.
      58           0 :             this->loaded_ = true;
      59           0 :         }
      60             : 
      61             :         //synchronize the segment on disk.
      62             :         void Synchronize() override;
      63             :     private:
      64             : 
      65             :         // Helper housekeeping functions
      66             :         void Load();
      67             :         void Write();
      68             : 
      69             :         EphemerisSeg_t* mpoEphemeris;
      70             :     //functions to read/write binary information
      71             :     protected:
      72             :         // The raw segment data
      73             :         PCIDSKBuffer seg_data;
      74             :         bool loaded_;
      75             :         bool mbModified;
      76             :         void ReadAvhrrEphemerisSegment(int,
      77             :                                        EphemerisSeg_t *);
      78             :         void ReadAvhrrScanlineRecord(int nPos,
      79             :                                      AvhrrLine_t *psScanlineRecord);
      80             :         int  ReadAvhrrInt32(unsigned char* pbyBuf);
      81             :         void WriteAvhrrEphemerisSegment(int , EphemerisSeg_t *);
      82             :         void WriteAvhrrScanlineRecord(AvhrrLine_t *psScanlineRecord,
      83             :                                       int nPos);
      84             :         void WriteAvhrrInt32(int nValue, unsigned char* pbyBuf);
      85             :         EphemerisSeg_t *BinaryToEphemeris( int nStartBlock );
      86             :         void EphemerisToBinary( EphemerisSeg_t *, int );
      87             :         double ConvertDeg(double degree, int mode);
      88             :     };
      89             : }
      90             : 
      91             : #endif // INCLUDE_PCIDSK_SEGMENT_PCIDSKEPHEMERIS_SEG_H