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Diffstat (limited to 'c++/examples/h5tutr_crtatt.cpp')
-rw-r--r-- | c++/examples/h5tutr_crtatt.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/c++/examples/h5tutr_crtatt.cpp b/c++/examples/h5tutr_crtatt.cpp new file mode 100644 index 0000000..651dc69 --- /dev/null +++ b/c++/examples/h5tutr_crtatt.cpp @@ -0,0 +1,95 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. 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" + +#ifndef H5_NO_NAMESPACE + using namespace H5; +#endif + +const H5std_string FILE_NAME( "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.printError(); + return -1; + } + + // catch failure caused by the H5File operations + catch( AttributeIException error ) + { + error.printError(); + return -1; + } + + // catch failure caused by the H5File operations + catch( FileIException error ) + { + error.printError(); + return -1; + } + + // catch failure caused by the DataSet operations + catch( DataSetIException error ) + { + error.printError(); + return -1; + } + + return 0; // successfully terminated +} + |