diff options
Diffstat (limited to 'examples/h5_vds.c')
| -rw-r--r-- | examples/h5_vds.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/examples/h5_vds.c b/examples/h5_vds.c index ed30b5b..4c8e1dd 100644 --- a/examples/h5_vds.c +++ b/examples/h5_vds.c @@ -1,8 +1,8 @@ /************************************************************ - This example illustrates the concept of the virtual dataset. + This example illustrates the concept of virtual dataset. The program creates three 1-dim source datasets and writes - data to them. Then it creates 2-dim virtual dataset and + data to them. Then it creates a 2-dim virtual dataset and maps the first three rows of the virtual dataset to the data in the source datasets. Elements of a row are mapped to all elements of the corresponding source dataset. @@ -74,10 +74,10 @@ main (void) */ for (j = 0; j < DIM0; j++) wdata[j] = i+1; - /* - * Create the source files and datasets. Write data to each dataset and - * close all resources. - */ + /* + * Create the source files and datasets. Write data to each dataset and + * close all resources. + */ file = H5Fcreate (SRC_FILE[i], H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); space = H5Screate_simple (RANK1, dims, NULL); @@ -88,19 +88,19 @@ main (void) status = H5Sclose (space); status = H5Dclose (dset); status = H5Fclose (file); - } - + } + /* Create file in which virtual dataset will be stored. */ file = H5Fcreate (FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); /* Create VDS dataspace. */ space = H5Screate_simple (RANK2, vdsdims, NULL); src_space = H5Screate_simple (RANK1, dims, NULL); - /* Create VDS creation property */ + /* Set VDS creation property. */ dcpl = H5Pcreate (H5P_DATASET_CREATE); status = H5Pset_fill_value (dcpl, H5T_NATIVE_INT, &fill_value); - /* Initialize hyperslab values */ + /* Initialize hyperslab values. */ start[0] = 0; start[1] = 0; count[0] = 1; @@ -122,7 +122,7 @@ main (void) status = H5Sselect_none (space); } - /* Create a virtual dataset */ + /* Create a virtual dataset. */ dset = H5Dcreate (file, DATASET, H5T_NATIVE_INT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT); status = H5Sclose (space); @@ -135,7 +135,7 @@ main (void) */ /* - * Open file and virtual dataset using the default properties. + * Open the file and virtual dataset. */ file = H5Fopen (FILE, H5F_ACC_RDONLY, H5P_DEFAULT); dset = H5Dopen (file, DATASET, H5P_DEFAULT); @@ -155,7 +155,7 @@ main (void) printf("Wrong layout found \n"); /* - * Find number of mappings. + * Find the number of mappings. */ status = H5Pget_virtual_count (dcpl, &num_map); printf("Number of mappings is %d\n", num_map); @@ -186,23 +186,23 @@ main (void) printf ("\n"); } } - /* Get source file name */ + /* Get source file name. */ len = H5Pget_virtual_filename (dcpl, (size_t)i, NULL, 0); filename = (char *)malloc((size_t)len*sizeof(char)+1); H5Pget_virtual_filename (dcpl, (size_t)i, filename, len+1); printf(" Source filename %s\n", filename); - /* Get source dataset name */ + /* Get source dataset name. */ len = H5Pget_virtual_dsetname (dcpl, (size_t)i, NULL, 0); dsetname = (char *)malloc((size_t)len*sizeof(char)+1); H5Pget_virtual_dsetname (dcpl, (size_t)i, dsetname, len+1); printf(" Source dataset name %s\n", dsetname); - /* Get selection in the source dataset */ + /* Get selection in the source dataset. */ printf(" Selection in the source dataset "); src_space = H5Pget_virtual_srcspace (dcpl, (size_t)i); - /* Make sure it is ALL selection and then print the coordinates */ + /* Make sure it is ALL selection and then print the coordinates. */ if(H5Sget_select_type(src_space) == H5S_SEL_ALL) { printf("(0) - (%d)", DIM0-1); printf ("\n"); |