hdf5_ep

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

 * 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 COPYING file, which can be found at the root of the source code       *

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 * help@hdfgroup.org.                                                        *

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​

/*

 *  This example illustrates how to create a compressed dataset.

 *  It is used in the HDF5 Tutorial.

 */

​

#include <iostream>

using std::cout;

using std::endl;

​

#include <string>

#include "H5Cpp.h"

using namespace H5;

​

const H5std_string  FILE_NAME("h5tutr_cmprss.h5");

const H5std_string  DATASET_NAME("Compressed_Data");

const int   DIM0 = 100;

const int   DIM1 = 20;

​

int main (void)

{

    hsize_t dims[2] = { DIM0, DIM1 };   // dataset dimensions

    hsize_t chunk_dims[2] = { 20, 20 }; // chunk dimensions

    int     i,j, buf[DIM0][DIM1];

​

    // Try block to detect exceptions raised by any of the calls inside it

    try

    {

    // Turn off the auto-printing when failure occurs so that we can

    // handle the errors appropriately

    Exception::dontPrint();

​

    // Create a new file using the default property lists. 

    H5File file(FILE_NAME, H5F_ACC_TRUNC);

​

    // Create the data space for the dataset.

    DataSpace *dataspace = new DataSpace(2, dims);

​

    // Modify dataset creation property to enable chunking