HDF5 C++ API Reference Manual

 

 

H5DcreatProp.h

Go to the documentation of this file.

// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the files COPYING and Copyright.html.  COPYING can be found at the root   *
 * of the source code distribution tree; Copyright.html can be found at the  *
 * root level of an installed copy of the electronic HDF5 document set and   *
 * is linked from the top-level documents page.  It can also be found at     *
 * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
 * access to either file, you may request a copy from [email protected].     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef _H5DSCreatPropList_H
#define _H5DSCreatPropList_H

#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif

class H5_DLLCPP DSetCreatPropList : public PropList {
   public:
        // Default dataset creation property list.
        static const DSetCreatPropList DEFAULT;

        // Creates a dataset creation property list.
        DSetCreatPropList();

        // Queries whether all the filters set in this property list are
        // available currently.
        bool allFiltersAvail();

        // Get space allocation time for this property.
        H5D_alloc_time_t getAllocTime();

        // Set space allocation time for dataset during creation.
        void setAllocTime(H5D_alloc_time_t alloc_time);

        // Retrieves the size of the chunks used to store a chunked layout dataset.
        int getChunk( int max_ndims, hsize_t* dim ) const;

        // Sets the size of the chunks used to store a chunked layout dataset.
        void setChunk( int ndims, const hsize_t* dim ) const;

        // Returns information about an external file.
        void getExternal( unsigned idx, size_t name_size, char* name, off_t& offset, hsize_t& size ) const;

        // Returns the number of external files for a dataset.
        int getExternalCount() const;

        // Gets fill value writing time.
        H5D_fill_time_t getFillTime();

        // Sets fill value writing time for dataset.
        void setFillTime(H5D_fill_time_t fill_time);

        // Retrieves a dataset fill value.
        void getFillValue( const DataType& fvalue_type, void* value ) const;

        // Sets a dataset fill value.
        void setFillValue( const DataType& fvalue_type, const void* value ) const;

        // Returns information about a filter in a pipeline.
        H5Z_filter_t getFilter(int filter_number, unsigned int& flags, size_t& cd_nelmts, unsigned int* cd_values, size_t namelen, char name[], unsigned int &filter_config) const;

        // Returns information about a filter in a pipeline given the filter id.
        void getFilterById(H5Z_filter_t filter_id, unsigned int &flags, size_t &cd_nelmts, unsigned int* cd_values, size_t namelen, char name[], unsigned int &filter_config) const;

        // Gets the layout of the raw data storage of the data that uses this
        // property list.
        H5D_layout_t getLayout() const;

        // Sets the type of storage used to store the raw data for the
        // dataset that uses this property list.
        void setLayout(H5D_layout_t layout) const;

        // Returns the number of filters in the pipeline.
        int getNfilters() const;

        // Checks if fill value has been defined for this property.
        H5D_fill_value_t isFillValueDefined();

        // Modifies the specified filter.
        void modifyFilter( H5Z_filter_t filter_id, unsigned int flags, size_t cd_nelmts, const unsigned int cd_values[] ) const;

        // Remove one or all filters from the filter pipeline.
        void removeFilter( H5Z_filter_t filter_id) const;

        // Sets compression method and compression level.
        void setDeflate( int level ) const;

        // Adds an external file to the list of external files.
        void setExternal( const char* name, off_t offset, hsize_t size ) const;

        // Adds a filter to the filter pipeline.
        void setFilter( H5Z_filter_t filter, unsigned int flags = 0, size_t cd_nelmts = 0, const unsigned int cd_values[] = NULL) const;

        // Sets Fletcher32 checksum of EDC for this property list.
        void setFletcher32() const;

        // Sets method of the shuffle filter.
        void setShuffle() const;

        // Sets SZIP compression method.
        void setSzip(unsigned int options_mask, unsigned int pixels_per_block) const;

        virtual H5std_string fromClass () const { return("DSetCreatPropList"); }

        // Copy constructor: creates a copy of a DSetCreatPropList object.
        DSetCreatPropList(const DSetCreatPropList& orig);

        // Creates a copy of an existing dataset creation property list
        // using the property list id.
        DSetCreatPropList(const hid_t plist_id);

        // Noop destructor.
        virtual ~DSetCreatPropList();
};
#ifndef H5_NO_NAMESPACE
}
#endif
#endif

---