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