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71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* This example illustrates how to write to and read from an existing
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* dataset. It is used in the HDF5 Tutorial.
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*/
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#include <iostream>
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#include <string>
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#include "H5Cpp.h"
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using namespace H5;
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const H5std_string FILE_NAME("h5tutr_dset.h5");
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const H5std_string DATASET_NAME("dset");
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const int DIM0 = 4; // dataset dimensions
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const int DIM1 = 6;
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int
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main(void)
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{
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// Data initialization.
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int i, j;
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int data[DIM0][DIM1]; // buffer for data to write
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for (j = 0; j < DIM0; j++)
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for (i = 0; i < DIM1; i++)
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data[j][i] = i * 6 + j + 1;
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// Try block to detect exceptions raised by any of the calls inside it
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try {
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// Turn off the auto-printing when failure occurs so that we can
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// handle the errors appropriately
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Exception::dontPrint();
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// Open an existing file and dataset.
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H5File file(FILE_NAME, H5F_ACC_RDWR);
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DataSet dataset = file.openDataSet(DATASET_NAME);
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// Write the data to the dataset using default memory space, file
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// space, and transfer properties.
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dataset.write(data, PredType::NATIVE_INT);
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} // end of try block
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// catch failure caused by the H5File operations
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catch (FileIException error) {
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error.printErrorStack();
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return -1;
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}
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// catch failure caused by the DataSet operations
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catch (DataSetIException error) {
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error.printErrorStack();
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return -1;
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}
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return 0; // successfully terminated
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}
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