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-rw-r--r--c++/examples/h5tutr_extend.cpp218
1 files changed, 109 insertions, 109 deletions
diff --git a/c++/examples/h5tutr_extend.cpp b/c++/examples/h5tutr_extend.cpp
index 8c1bc03..b6927ea 100644
--- a/c++/examples/h5tutr_extend.cpp
+++ b/c++/examples/h5tutr_extend.cpp
@@ -1,8 +1,8 @@
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * Copyright by The HDF Group. *
- * Copyright by the Board of Trustees of the University of Illinois. *
- * All rights reserved. *
- * *
+ * 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 *
@@ -24,17 +24,17 @@ using std::endl;
#include "H5Cpp.h"
using namespace H5;
-const H5std_string FILE_NAME("h5tutr_extend.h5");
-const H5std_string DATASETNAME("ExtendibleArray");
+const H5std_string FILE_NAME("h5tutr_extend.h5");
+const H5std_string DATASETNAME("ExtendibleArray");
int main (void)
{
- hsize_t dims[2] = {3,3}; // dataset dimensions at creation
+ hsize_t dims[2] = {3,3}; // dataset dimensions at creation
hsize_t maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED};
hsize_t chunk_dims[2] ={2, 5};
- int data[3][3] = { {1, 1, 1}, // data to write
- {1, 1, 1},
- {1, 1, 1} };
+ int data[3][3] = { {1, 1, 1}, // data to write
+ {1, 1, 1},
+ {1, 1, 1} };
// Variables used in extending and writing to the extended portion of dataset
@@ -42,127 +42,127 @@ int main (void)
hsize_t offset[2];
hsize_t dimsext[2] = {7, 3}; // extend dimensions
int dataext[7][3] = { {2, 3, 4},
- {2, 3, 4},
- {2, 3, 4},
- {2, 3, 4},
- {2, 3, 4},
- {2, 3, 4},
- {2, 3, 4} };
+ {2, 3, 4},
+ {2, 3, 4},
+ {2, 3, 4},
+ {2, 3, 4},
+ {2, 3, 4},
+ {2, 3, 4} };
// 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 the default property lists.
- H5File file(FILE_NAME, H5F_ACC_TRUNC);
-
- // Create the data space for the dataset. Note the use of pointer
- // for the instance 'dataspace'. It can be deleted and used again
- // later for another dataspace. An HDF5 identifier can be closed
- // by the destructor or the method 'close()'.
- DataSpace *dataspace = new DataSpace (2, dims, maxdims);
-
- // Modify dataset creation property to enable chunking
- DSetCreatPropList prop;
- prop.setChunk(2, chunk_dims);
-
- // Create the chunked dataset. Note the use of pointer.
- DataSet *dataset = new DataSet(file.createDataSet( DATASETNAME,
- PredType::STD_I32BE, *dataspace, prop) );
+ // Turn off the auto-printing when failure occurs so that we can
+ // handle the errors appropriately
+ Exception::dontPrint();
+
+ // Create a new file using the default property lists.
+ H5File file(FILE_NAME, H5F_ACC_TRUNC);
+
+ // Create the data space for the dataset. Note the use of pointer
+ // for the instance 'dataspace'. It can be deleted and used again
+ // later for another dataspace. An HDF5 identifier can be closed
+ // by the destructor or the method 'close()'.
+ DataSpace *dataspace = new DataSpace (2, dims, maxdims);
+
+ // Modify dataset creation property to enable chunking
+ DSetCreatPropList prop;
+ prop.setChunk(2, chunk_dims);
+
+ // Create the chunked dataset. Note the use of pointer.
+ DataSet *dataset = new DataSet(file.createDataSet( DATASETNAME,
+ PredType::STD_I32BE, *dataspace, prop) );
- // Write data to dataset.
- dataset->write(data, PredType::NATIVE_INT);
-
- // Extend the dataset. Dataset becomes 10 x 3.
- size[0] = dims[0] + dimsext[0];
- size[1] = dims[1];
- dataset->extend(size);
-
- // Select a hyperslab in extended portion of the dataset.
- DataSpace *filespace = new DataSpace(dataset->getSpace ());
- offset[0] = 3;
- offset[1] = 0;
- filespace->selectHyperslab(H5S_SELECT_SET, dimsext, offset);
-
- // Define memory space.
- DataSpace *memspace = new DataSpace(2, dimsext, NULL);
-
- // Write data to the extended portion of the dataset.
- dataset->write(dataext, PredType::NATIVE_INT, *memspace, *filespace);
-
- // Close all objects and file.
- prop.close();
- delete filespace;
- delete memspace;
- delete dataspace;
- delete dataset;
- file.close();
-
- // ---------------------------------------
- // Re-open the file and read the data back
- // ---------------------------------------
-
- int rdata[10][3];
- int i,j, rank, rank_chunk;
- hsize_t chunk_dimsr[2], dimsr[2];
-
- // Open the file and dataset.
- file.openFile(FILE_NAME, H5F_ACC_RDONLY);
- dataset = new DataSet(file.openDataSet( DATASETNAME));
-
- // Get the dataset's dataspace and creation property list.
- filespace = new DataSpace(dataset->getSpace());
- prop = dataset->getCreatePlist();
-
- // Get information to obtain memory dataspace.
- rank = filespace->getSimpleExtentNdims();
- herr_t status_n = filespace->getSimpleExtentDims(dimsr);
-
- if (H5D_CHUNKED == prop.getLayout())
- rank_chunk = prop.getChunk(rank, chunk_dimsr);
- cout << "rank chunk = " << rank_chunk << endl;;
-
- memspace = new DataSpace(rank, dimsr, NULL);
- dataset->read(rdata, PredType::NATIVE_INT, *memspace, *filespace);
+ // Write data to dataset.
+ dataset->write(data, PredType::NATIVE_INT);
+
+ // Extend the dataset. Dataset becomes 10 x 3.
+ size[0] = dims[0] + dimsext[0];
+ size[1] = dims[1];
+ dataset->extend(size);
+
+ // Select a hyperslab in extended portion of the dataset.
+ DataSpace *filespace = new DataSpace(dataset->getSpace ());
+ offset[0] = 3;
+ offset[1] = 0;
+ filespace->selectHyperslab(H5S_SELECT_SET, dimsext, offset);
+
+ // Define memory space.
+ DataSpace *memspace = new DataSpace(2, dimsext, NULL);
+
+ // Write data to the extended portion of the dataset.
+ dataset->write(dataext, PredType::NATIVE_INT, *memspace, *filespace);
+
+ // Close all objects and file.
+ prop.close();
+ delete filespace;
+ delete memspace;
+ delete dataspace;
+ delete dataset;
+ file.close();
+
+ // ---------------------------------------
+ // Re-open the file and read the data back
+ // ---------------------------------------
+
+ int rdata[10][3];
+ int i,j, rank, rank_chunk;
+ hsize_t chunk_dimsr[2], dimsr[2];
+
+ // Open the file and dataset.
+ file.openFile(FILE_NAME, H5F_ACC_RDONLY);
+ dataset = new DataSet(file.openDataSet( DATASETNAME));
+
+ // Get the dataset's dataspace and creation property list.
+ filespace = new DataSpace(dataset->getSpace());
+ prop = dataset->getCreatePlist();
+
+ // Get information to obtain memory dataspace.
+ rank = filespace->getSimpleExtentNdims();
+ herr_t status_n = filespace->getSimpleExtentDims(dimsr);
+
+ if (H5D_CHUNKED == prop.getLayout())
+ rank_chunk = prop.getChunk(rank, chunk_dimsr);
+ cout << "rank chunk = " << rank_chunk << endl;;
+
+ memspace = new DataSpace(rank, dimsr, NULL);
+ dataset->read(rdata, PredType::NATIVE_INT, *memspace, *filespace);
- cout << endl;
- for (j = 0; j < dimsr[0]; j++) {
- for (i = 0; i < dimsr[1]; i++)
- cout << " " << rdata[j][i];
- cout << endl;
- }
-
- // Close all objects and file.
- prop.close();
- delete filespace;
- delete memspace;
- delete dataset;
- file.close();
+ cout << endl;
+ for (j = 0; j < dimsr[0]; j++) {
+ for (i = 0; i < dimsr[1]; i++)
+ cout << " " << rdata[j][i];
+ cout << endl;
+ }
+
+ // Close all objects and file.
+ prop.close();
+ delete filespace;
+ delete memspace;
+ delete dataset;
+ file.close();
} // end of try block
// catch failure caused by the H5File operations
catch(FileIException error)
{
- error.printErrorStack();
- return -1;
+ error.printErrorStack();
+ return -1;
}
// catch failure caused by the DataSet operations
catch(DataSetIException error)
{
- error.printErrorStack();
- return -1;
+ error.printErrorStack();
+ return -1;
}
// catch failure caused by the DataSpace operations
catch(DataSpaceIException error)
{
- error.printErrorStack();
- return -1;
+ error.printErrorStack();
+ return -1;
}
return 0; // successfully terminated