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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 writes a dataset to a new HDF5 file.
*/
#include <iostream>
#include <string>
#include "H5Cpp.h"
using namespace H5;
const H5std_string FILE_NAME("SDS.h5");
const H5std_string DATASET_NAME("IntArray");
const int NX = 5; // dataset dimensions
const int NY = 6;
const int RANK = 2;
int
main(void)
{
/*
* Data initialization.
*/
int i, j;
int data[NX][NY]; // buffer for data to write
for (j = 0; j < NX; j++) {
for (i = 0; i < NY; i++)
data[j][i] = i + j;
}
/*
* 0 1 2 3 4 5
* 1 2 3 4 5 6
* 2 3 4 5 6 7
* 3 4 5 6 7 8
* 4 5 6 7 8 9
*/
// 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 H5F_ACC_TRUNC access,
* default file creation properties, and default file
* access properties.
*/
H5File file(FILE_NAME, H5F_ACC_TRUNC);
/*
* Define the size of the array and create the data space for fixed
* size dataset.
*/
hsize_t dimsf[2]; // dataset dimensions
dimsf[0] = NX;
dimsf[1] = NY;
DataSpace dataspace(RANK, dimsf);
/*
* Define datatype for the data in the file.
* We will store little endian INT numbers.
*/
IntType datatype(PredType::NATIVE_INT);
datatype.setOrder(H5T_ORDER_LE);
/*
* Create a new dataset within the file using defined dataspace and
* datatype and default dataset creation properties.
*/
DataSet dataset = file.createDataSet(DATASET_NAME, datatype, dataspace);
/*
* 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;
}
// catch failure caused by the DataSpace operations
catch (DataSpaceIException error) {
error.printErrorStack();
return -1;
}
// catch failure caused by the DataSpace operations
catch (DataTypeIException error) {
error.printErrorStack();
return -1;
}
return 0; // successfully terminated
}
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