HDF5 – Czit notes

HDF5DotNet – zapis i odczyt tablicy 1D z podgrupy

przez kszyh | 23 marca 2016 - 15:21 |23 marca 2016 C#

{
    // ZAPIS //
    var h5file = H5F.create("modfem.h5", H5F.CreateMode.ACC_TRUNC);
    var dspace = H5S.create_simple(1, new long[] {5});
    var dtype = H5T.H5Type.IEEE_F64LE;

    H5GroupId groupId = H5G.create(h5file, "Results");
    H5GroupId subGroup = H5G.create(groupId, "Step#0");

    var dset = H5D.create(subGroup, "Temperature", dtype, dspace);

    var tid = H5T.copy(dtype);
    H5Array<float> array = new H5Array<float>(new float[] {10, 20, 30, 40, 50});
    H5D.write(dset, tid, array);

    H5F.close(h5file);
}
{
    // ODCZYT //
    var h5file = H5F.open("modfem.h5", H5F.OpenMode.ACC_RDWR);
    var dtype = H5T.H5Type.IEEE_F64LE;
    var resultGroup = H5G.open(h5file, "Results");
    var stepGroup = H5G.open(resultGroup, "Step#0");

    var tempDataSet = H5D.open(stepGroup, "Temperature");

    var space = H5D.getSpace(tempDataSet);
    var dims = H5S.getSimpleExtentDims(space);
    var dataType = H5D.getType(tempDataSet);

    float[] dataArray = new float[dims[0]];
    var wrapArray = new H5Array<float>(dataArray);
    H5D.read(tempDataSet, dataType, wrapArray);
    H5F.close(h5file);
}

{

// ZAPIS //

var h5file = H5F.create("modfem.h5", H5F.CreateMode.ACC_TRUNC);

var dspace = H5S.create_simple(1, new long[] {5});

var dtype = H5T.H5Type.IEEE_F64LE;

H5GroupId groupId = H5G.create(h5file, "Results");

H5GroupId subGroup = H5G.create(groupId, "Step#0");

var dset = H5D.create(subGroup, "Temperature", dtype, dspace);

var tid = H5T.copy(dtype);

H5Array<float> array = new H5Array<float>(new float[] {10, 20, 30, 40, 50});

H5D.write(dset, tid, array);

H5F.close(h5file);

}

{

// ODCZYT //

var h5file = H5F.open("modfem.h5", H5F.OpenMode.ACC_RDWR);

var dtype = H5T.H5Type.IEEE_F64LE;

var resultGroup = H5G.open(h5file, "Results");

var stepGroup = H5G.open(resultGroup, "Step#0");

var tempDataSet = H5D.open(stepGroup, "Temperature");

var space = H5D.getSpace(tempDataSet);

var dims = H5S.getSimpleExtentDims(space);

var dataType = H5D.getType(tempDataSet);

float[] dataArray = new float[dims[0]];

var wrapArray = new H5Array<float>(dataArray);

H5D.read(tempDataSet, dataType, wrapArray);

H5F.close(h5file);

}

Archiwa tagu: HDF5

HDF5DotNet – zapis i odczyt tablicy 1D z podgrupy

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