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Diffstat (limited to 'c++/examples/h5tutr_crtatt.cpp')
| -rw-r--r-- | c++/examples/h5tutr_crtatt.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/c++/examples/h5tutr_crtatt.cpp b/c++/examples/h5tutr_crtatt.cpp new file mode 100644 index 0000000..0b18de1 --- /dev/null +++ b/c++/examples/h5tutr_crtatt.cpp @@ -0,0 +1,81 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * 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 create an attribute attached to a + * 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 H5std_string ATTR_NAME("Units"); + +const int DIM1 = 2; + +int +main(void) +{ + int attr_data[2] = {100, 200}; + hsize_t dims[1] = {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(); + + // Open an existing file and dataset. + H5File file(FILE_NAME, H5F_ACC_RDWR); + DataSet dataset = file.openDataSet(DATASET_NAME); + + // Create the data space for the attribute. + DataSpace attr_dataspace = DataSpace(1, dims); + + // Create a dataset attribute. + Attribute attribute = dataset.createAttribute(ATTR_NAME, PredType::STD_I32BE, attr_dataspace); + + // Write the attribute data. + attribute.write(PredType::NATIVE_INT, attr_data); + + } // end of try block + + // catch failure caused by the H5File operations + catch (DataSpaceIException error) { + error.printErrorStack(); + return -1; + } + + // catch failure caused by the H5File operations + catch (AttributeIException error) { + error.printErrorStack(); + return -1; + } + + // 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 +} |
