FitsFileBase.h

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/* -*- mode:c++ -*- */

#ifndef _FitsFileBase_h
#define _FitsFileBase_h

#include "fitsio.h"

#include <string>

namespace hippodraw {

class FitsFileBase {

public:

  enum HduType
    { Image = IMAGE_HDU,   
      Atable = ASCII_TBL,  
      Btable = BINARY_TBL, 
      Any = ANY_HDU        
    };

  enum ImageType
    { ByteImg = BYTE_IMG,     
      ShortImg = SHORT_IMG,   
      LongImg = LONG_IMG,     
      FloatImg = FLOAT_IMG,   
      DoubleImg = DOUBLE_IMG, 
      NoImg = 0               
    };

  enum DataType {
    ByteU = TBYTE,        
    Short = TSHORT,       
    ShortU = TUSHORT,     
    Int = TINT,           
    IntU = TUINT,         
    Long = TLONG,         
    LongU = TULONG,       
    LongLong = TLONGLONG, 
    Float = TFLOAT,       
    Double = TDOUBLE      
  };

private:

  static HduType convert ( int i );

  int numKeywords() const;

protected:

  mutable int m_status;

  fitsfile *m_fptr;

  FitsFileBase ( const std::string & filename, bool write = false );

  ImageType getImageType () const;

  int getImageDimensions ( ) const;

  double doubleValueForKey ( const char * key ) const;

  int getNumberOfColumns ( ) const;

  int getNumberOfHDU () const;

  bool hasKey ( const char * key ) const;

  int intValueForKey( const char * key ) const;

  std::string stringValueForKey ( const char * key ) const;

public:

  virtual ~FitsFileBase();

  void clearErrorMessageStack( void );

  HduType getHduType () const;

  int getHDUNumber ( ) const;

  int moveToHDU ( int hdunum );

  int moveToHDU ( const std::string & name );

  int status () const;

  long getNumberOfRows ( ) const;

private:

  FitsFileBase( const FitsFileBase& );

  FitsFileBase& operator=( const FitsFileBase&);

};

} // namespace hippodraw

#endif // _FitsFileBase_h

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