WaveletBlock3DReader.h

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//
//      $Id$
//


#ifndef _WavletBlock3DReader_h_
#define _WavletBlock3DReader_h_

#include <vapor/MyBase.h>
#include "WaveletBlockIOBase.h"

namespace VAPoR {

//
//
class   VDF_API WaveletBlock3DReader : public WaveletBlockIOBase {

public:

 //
 WaveletBlock3DReader(
    const MetadataVDC &metadata
);

 //
 WaveletBlock3DReader(
    const string &metafile
 );

 virtual ~WaveletBlock3DReader();

 virtual int    OpenVariableRead(
    size_t timestep,
    const char *varname,
    int reflevel = 0,
    int lod = 0
 );

 virtual int OpenVariableWrite(
    size_t timestep,
    const char *varname,
    int reflevel = 0,
    int lod = 0
 ) {SetErrMsg("Operation not supported"); return(-1);};


 virtual int    CloseVariable();


 //
 int    ReadSlabs(float *two_slabs, int unblock);

protected:
 void _GetDataRange(float range[2]) const {};

private:

 float  *lambda_blks_c[MAX_LEVELS]; // temp storage for lambda blocks
 float  *scratch_block_c;   // scratch space
 int    slab_cntr_c;
 size_t _block_size;

 int    read_slabs(
    int level,
    const float *src_lambda_buf,
    int src_nbx,
    int src_nby,
    float *two_slabs,
    int dst_nbx,
    int dst_nby
    );

 int    my_realloc();
 void   my_free();

 void   _WaveletBlock3DReader();

};

};

#endif  //  _WavletBlock3DReader_h_