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hdf5_helpers.cpp
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hdf5_helpers.cpp
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#include <config.h>
#ifdef HAVE_HDF5
#include "hdf5_helpers.h"
namespace hdf5 {
herr_t
visit_group(hid_t location_id, const char* /*name*/, const H5L_info_t* /*info*/, void* data) {
std::vector<H5::Group>* groups = (std::vector<H5::Group>*)data;
groups->push_back(H5::Group(location_id));
return 0;
}
std::vector<H5::Group>
groups(H5::CommonFG& fg) {
std::vector<H5::Group> groups;
H5Literate(fg.getLocId(), H5_INDEX_NAME, H5_ITER_INC, 0, &visit_group, &groups);
return groups;
}
std::vector<size_t>
dimensions(H5::CommonFG& fg, std::string name) {
// open the dataset
H5::DataSet dataset = fg.openDataSet(name);
// get the dimensions of this dataset
H5::DataSpace dataspace = dataset.getSpace();
// get the number of dimensions
int numDims = dataspace.getSimpleExtentNdims();
// get the dimensions
std::vector<hsize_t> hdims(numDims);
dataspace.getSimpleExtentDims(&hdims[0]);
// convert to size_t
std::vector<size_t> dims(numDims);
for (int d = 0; d < numDims; d++)
dims[d] = hdims[d];
return dims;
}
} // namespace hdf5
#endif // HAVE_HDF5