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Diffstat (limited to 'doc/html/Tutor/examples/java/CreateGroupDataset.java')
| -rw-r--r-- | doc/html/Tutor/examples/java/CreateGroupDataset.java | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/doc/html/Tutor/examples/java/CreateGroupDataset.java b/doc/html/Tutor/examples/java/CreateGroupDataset.java deleted file mode 100644 index f0fbeaa..0000000 --- a/doc/html/Tutor/examples/java/CreateGroupDataset.java +++ /dev/null @@ -1,340 +0,0 @@ -/****************************************************************** - * CreateGroupDataset.java (for HDF5 tutorial lesson 10) - * - * -- Creating a dataset in a particular group - * (a java conversion from h5_crtgrpd.c) - * - ******************************************************************/ - -import ncsa.hdf.hdf5lib.*; -import ncsa.hdf.hdf5lib.exceptions.*; - -public class CreateGroupDataset -{ - public static void main(String []argv) - { - final String FILE = "groups.h5"; - int file_id = -1; // file identifier - int group_id = -1; // group identifier - int dataset_id; - int dataspace_id; - int status = -1; - - long[] dims = new long[2]; - int[][] dset1_data = new int[3][3]; - int[][] dset2_data = new int[2][10]; - int i = -1, j = -1; - - // Initialize the first dataset. - for (i = 0; i < 3; i++) - for (j = 0; j < 3; j++) - dset1_data[i][j] = j + 1; - - // Initialize the second dataset. - for (i = 0; i < 2; i++) - for (j = 0; j < 10; j++) - dset2_data[i][j] = j + 1; - - // Open an existing file. - file_id = H5Fopen_wrap (FILE, HDF5Constants.H5F_ACC_RDWR, - HDF5Constants.H5P_DEFAULT); - - // Create the data space for the first dataset. - dims[0] = 3; - dims[1] = 3; - dataspace_id = H5Screate_simple_wrap (2, dims, null); - - // Create a dataset in group "MyGroup". - dataset_id = - H5Dcreate_wrap (file_id, "/MyGroup/dset1", - H5.J2C (HDF5CDataTypes.JH5T_STD_I32BE), - dataspace_id, HDF5Constants.H5P_DEFAULT); - - // Write the first dataset. - status = H5Dwrite_wrap - (dataset_id, - H5.J2C (HDF5CDataTypes.JH5T_NATIVE_INT), - HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, - HDF5Constants.H5P_DEFAULT, dset1_data); - - // Close the data space for the first dataset. - status = H5Sclose_wrap (dataspace_id); - - // Close the first dataset. - status = H5Dclose_wrap (dataset_id); - - // Open an existing group of the specified file. - group_id = H5Gopen_wrap (file_id, "/MyGroup/Group_A"); - - // Create the data space for the second dataset. - dims[0] = 2; - dims[1] = 10; - dataspace_id = H5Screate_simple_wrap (2, dims, null); - - // Create the second dataset in group "Group_A". - dataset_id = - H5Dcreate_wrap (group_id, "dset2", - H5.J2C (HDF5CDataTypes.JH5T_STD_I32BE), - dataspace_id, HDF5Constants.H5P_DEFAULT); - - // Write the second dataset. - status = H5Dwrite_wrap - (dataset_id, - H5.J2C (HDF5CDataTypes.JH5T_NATIVE_INT), - HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL, - HDF5Constants.H5P_DEFAULT, dset2_data); - - // Close the data space for the second dataset. - status = H5Sclose_wrap (dataspace_id); - - // Close the second dataset - status = H5Dclose_wrap (dataset_id); - - // Close the group. - status = H5Gclose_wrap (group_id); - - // Close the file. - status = H5Fclose_wrap (file_id); - } - - - // Help function for opening an existing file - public static int H5Fopen_wrap (String name, int flags, int access_id) - { - int file_id = -1; // file identifier - try - { - // Create a new file using default file properties. - file_id = H5.H5Fopen (name, flags, access_id); - } - catch (HDF5Exception hdf5e) - { - System.out.println - ("CreateGroupDataset.H5Fopen_wrap() with HDF5Exception: " - + hdf5e.getMessage()); - } - catch (Exception e) - { - System.out.println - ("CreateGroupDataset.H5Fopen_wrap() with other Exception: " - + e.getMessage()); - } - return file_id; - } - - - // Help function for creating a new simple dataspace and opening it - // for access - public static int H5Screate_simple_wrap (int rank, long dims[], - long maxdims[]) - { - int dataspace_id = -1; // dataspace identifier - - try - { - // Create the data space for the dataset. - dataspace_id = H5.H5Screate_simple (rank, dims, maxdims); - } - catch (HDF5Exception hdf5e) - { - System.out.println - ("CreateGroupDataset.H5Screate_simple_wrap() with HDF5Exception: " - + hdf5e.getMessage()); - } - catch (Exception e) - { - System.out.println - ("CreateGroupDataset.H5Screate_simple_wrap() with other Exception: " - + e.getMessage()); - } - return dataspace_id; - } - - - // Help function for creating a dataset - public static int H5Dcreate_wrap (int loc_id, String name, int type_id, - int space_id, int create_plist_id) - { - int dataset_id = -1; // dataset identifier - - try - { - // Create the dataset - dataset_id = H5.H5Dcreate (loc_id, name, type_id, space_id, - create_plist_id); - } - catch (HDF5Exception hdf5e) - { - System.out.println - ("CreateGroupDataset.H5Dcreate_wrap() with HDF5Exception: " - + hdf5e.getMessage()); - } - catch (Exception e) - { - System.out.println - ("CreateGroupDataset.H5Dcreate_wrap() with other Exception: " - + e.getMessage()); - } - return dataset_id; - } - - - // Help function for writing the dataset - public static int H5Dwrite_wrap (int dataset_id, int mem_type_id, - int mem_space_id, int file_space_id, - int xfer_plist_id, Object buf) - { - int status = -1; - - try - { - // Write the dataset. - status = H5.H5Dwrite (dataset_id, mem_type_id, mem_space_id, - file_space_id, xfer_plist_id, buf); - } - catch (HDF5Exception hdf5e) - { - System.out.println - ("CreateGroupDataset.H5Dwrite_wrap() with HDF5Exception: " - + hdf5e.getMessage()); - } - catch (Exception e) - { - System.out.println - ("CreateGroupDataset.H5Dwrite_wrap() with other exception: " - + e.getMessage()); - } - return status; - } - - - // Help function for terminating access to the data space. - public static int H5Sclose_wrap (int dataspace_id) - { - int status = -1; - - try - { - // Terminate access to the data space. - status = H5.H5Sclose (dataspace_id); - } - catch (HDF5Exception hdf5e) - { - System.out.println - ("CreateGroupDataset.H5Sclose_wrap() with HDF5Exception: " - + hdf5e.getMessage()); - } - catch (Exception e) - { - System.out.println - ("CreateGroupDataset.H5Sclose_wrap() with other exception: " - + e.getMessage()); - } - return status; - } - - - // Help function for ending access to the dataset and releasing - // resources used by it. - public static int H5Dclose_wrap (int dataset_id) - { - int status = -1; - - try - { - // End access to the dataset and release resources used by it. - status = H5.H5Dclose (dataset_id); - } - catch (HDF5Exception hdf5e) - { - System.out.println - ("CreateGroupDataset.H5Dclose_wrap() with HDF5Exception: " - + hdf5e.getMessage()); - } - catch (Exception e) - { - System.out.println - ("CreateGroupDataset.H5Dclose_wrap() with other exception: " - + e.getMessage()); - } - return status; - } - - - // Help function for opening a group - public static int H5Gopen_wrap (int loc_id, String name) - { - int group_id = -1; // group identifier - try - { - // Create a group - group_id = H5.H5Gopen (loc_id, name); - - } - catch (HDF5Exception hdf5e) - { - System.out.println - ("CreateGroupDataset.H5Gopen_wrap() with HDF5Exception: " - + hdf5e.getMessage()); - } - catch (Exception e) - { - System.out.println - ("CreateGroupDataset.H5Gopen_wrap() with other Exception: " - + e.getMessage()); - } - return group_id; - } - - - // Help function for closing the group - public static int H5Gclose_wrap (int group_id) - { - int status = -1; - - try - { - // Close the group - status = H5.H5Gclose (group_id); - } - catch (HDF5Exception hdf5e) - { - System.out.println - ("CreateGroupDataset.H5Gclose_wrap() with HDF5Exception: " - + hdf5e.getMessage()); - } - catch (Exception e) - { - System.out.println - ("CreateGroupDataset.H5Gclose_wrap() with other exception: " - + e.getMessage()); - } - return status; - } - - - // Help function for terminating access to the file. - public static int H5Fclose_wrap (int file_id) - { - int status = -1; - - try - { - // Terminate access to the file. - status = H5.H5Fclose (file_id); - } - catch (HDF5Exception hdf5e) - { - System.out.println - ("CreateGroupDataset.H5Fclose_wrap() with HDF5Exception: " - + hdf5e.getMessage()); - } - catch (Exception e) - { - System.out.println - ("CreateGroupDataset.H5Fclose_wrap() with other exception: " - + e.getMessage()); - } - return status; - } -} |