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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* This example illustrates how to write to and read from an existing
* dataset. It is used in the HDF5 Tutorial.
*/
#include <iostream>
#include <string>
#include "H5Cpp.h"
using namespace H5;
const H5std_string FILE_NAME("h5tutr_dset.h5");
const H5std_string DATASET_NAME("dset");
const int DIM0 = 4; // dataset dimensions
const int DIM1 = 6;
int
main(void)
{
// Data initialization.
int i, j;
int data[DIM0][DIM1]; // buffer for data to write
for (j = 0; j < DIM0; j++)
for (i = 0; i < DIM1; i++)
data[j][i] = i * 6 + j + 1;
// 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();
// Open an existing file and dataset.
H5File file(FILE_NAME, H5F_ACC_RDWR);
DataSet dataset = file.openDataSet(DATASET_NAME);
// Write the data to the dataset using default memory space, file
// space, and transfer properties.
dataset.write(data, PredType::NATIVE_INT);
} // end of try block
// catch failure caused by the H5File operations
catch (FileIException error) {
error.printErrorStack();
return -1;
}
// catch failure caused by the DataSet operations
catch (DataSetIException error) {
error.printErrorStack();
return -1;
}
return 0; // successfully terminated
}
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