#include <iostream>
using std::cout;
using std::endl;
#include <string>
#include "H5Cpp.h"
const H5std_string FILE_NAME("SDSextendible.h5");
const H5std_string DATASET_NAME("ExtendibleArray");
const int NX = 10;
const int NY = 5;
const int RANK = 2;
const int RANKC = 1;
int
main(void)
{
hsize_t i, j;
try {
H5File file(FILE_NAME, H5F_ACC_RDONLY);
DataSet dataset = file.openDataSet(DATASET_NAME);
DataSpace filespace = dataset.getSpace();
int rank = filespace.getSimpleExtentNdims();
hsize_t dims[2];
rank = filespace.getSimpleExtentDims(dims);
cout << "dataset rank = " << rank << ", dimensions " << (unsigned long)(dims[0]) << " x "
<< (unsigned long)(dims[1]) << endl;
DataSpace mspace1(RANK, dims);
int data_out[NX][NY];
cout << "\n";
cout << "Dataset: \n";
for (j = 0; j < dims[0]; j++) {
for (i = 0; i < dims[1]; i++)
cout << data_out[j][i] << " ";
cout << endl;
}
hsize_t col_dims[1];
col_dims[0] = 10;
DataSpace mspace2(RANKC, col_dims);
hsize_t offset[2] = {0, 2};
hsize_t count[2] = {10, 1};
int column[10];
filespace.selectHyperslab(H5S_SELECT_SET, count, offset);
cout << endl;
cout << "Third column: " << endl;
for (i = 0; i < 10; i++)
cout << column[i] << endl;
DSetCreatPropList cparms = dataset.getCreatePlist();
hsize_t chunk_dims[2];
int rank_chunk;
if (H5D_CHUNKED == cparms.getLayout()) {
rank_chunk = cparms.getChunk(2, chunk_dims);
cout << "chunk rank " << rank_chunk << "dimensions " << (unsigned long)(chunk_dims[0]) << " x "
<< (unsigned long)(chunk_dims[1]) << endl;
DataSpace mspace3(rank_chunk, chunk_dims);
offset[0] = 2;
offset[1] = 0;
count[0] = chunk_dims[0];
count[1] = chunk_dims[1];
filespace.selectHyperslab(H5S_SELECT_SET, count, offset);
int chunk_out[2][5];
cout << endl;
cout << "Chunk:" << endl;
for (j = 0; j < chunk_dims[0]; j++) {
for (i = 0; i < chunk_dims[1]; i++)
cout << chunk_out[j][i] << " ";
cout << endl;
}
}
}
catch (FileIException error) {
error.printErrorStack();
return -1;
}
catch (DataSetIException error) {
error.printErrorStack();
return -1;
}
catch (DataSpaceIException error) {
error.printErrorStack();
return -1;
}
return 0;
}
static void dontPrint()
Turns off the automatic error printing from the C library.
Definition: H5Exception.cpp:161
static const PredType & NATIVE_INT
Definition: H5PredType.h:151
Definition: H5AbstractDs.cpp:34