diff options
Diffstat (limited to 'examples/h5_extend_write.c')
| -rw-r--r-- | examples/h5_extend_write.c | 119 |
1 files changed, 54 insertions, 65 deletions
diff --git a/examples/h5_extend_write.c b/examples/h5_extend_write.c index 74f6c01..6c7afeb 100644 --- a/examples/h5_extend_write.c +++ b/examples/h5_extend_write.c @@ -1,16 +1,13 @@ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * - * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * - * the files COPYING and Copyright.html. COPYING can be found at the root * - * of the source code distribution tree; Copyright.html can be found at the * - * root level of an installed copy of the electronic HDF5 document set and * - * is linked from the top-level documents page. It can also be found at * - * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * - * access to either file, you may request a copy from help@hdfgroup.org. * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* @@ -22,43 +19,42 @@ #include "hdf5.h" -#define H5FILE_NAME "SDSextendible.h5" +#define H5FILE_NAME "SDSextendible.h5" #define DATASETNAME "ExtendibleArray" -#define RANK 2 -#define NX 10 -#define NY 5 +#define RANK 2 +#define NX 10 +#define NY 5 int -main (void) +main(void) { - hid_t file; /* handles */ - hid_t dataspace, dataset; - hid_t filespace; - hid_t cparms; - hsize_t dims[2] = { 3, 3}; /* - * dataset dimensions - * at the creation time - */ - hsize_t dims1[2] = { 3, 3}; /* data1 dimensions */ - hsize_t dims2[2] = { 7, 1}; /* data2 dimensions */ - hsize_t dims3[2] = { 2, 2}; /* data3 dimensions */ + hid_t file; /* handles */ + hid_t dataspace, dataset; + hid_t filespace; + hid_t cparms; + hsize_t dims[2] = {3, 3}; /* + * dataset dimensions + * at the creation time + */ + hsize_t dims1[2] = {3, 3}; /* data1 dimensions */ + hsize_t dims2[2] = {7, 1}; /* data2 dimensions */ + hsize_t dims3[2] = {2, 2}; /* data3 dimensions */ - hsize_t maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED}; - hsize_t chunk_dims[2] ={2, 5}; - hsize_t size[2]; - hsize_t offset[2]; + hsize_t maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED}; + hsize_t chunk_dims[2] = {2, 5}; + hsize_t size[2]; + hsize_t offset[2]; - herr_t status; + herr_t status; - int data1[3][3] = { {1, 1, 1}, /* data to write */ - {1, 1, 1}, - {1, 1, 1} }; + int data1[3][3] = {{1, 1, 1}, /* data to write */ + {1, 1, 1}, + {1, 1, 1}}; - int data2[7] = { 2, 2, 2, 2, 2, 2, 2}; + int data2[7] = {2, 2, 2, 2, 2, 2, 2}; - int data3[2][2] = { {3, 3}, - {3, 3} }; - int fillvalue = 0; + int data3[2][2] = {{3, 3}, {3, 3}}; + int fillvalue = 0; /* * Create the data space with unlimited dimensions. @@ -74,22 +70,21 @@ main (void) * Modify dataset creation properties, i.e. enable chunking. */ cparms = H5Pcreate(H5P_DATASET_CREATE); - status = H5Pset_chunk( cparms, RANK, chunk_dims); - status = H5Pset_fill_value (cparms, H5T_NATIVE_INT, &fillvalue ); + status = H5Pset_chunk(cparms, RANK, chunk_dims); + status = H5Pset_fill_value(cparms, H5T_NATIVE_INT, &fillvalue); /* * Create a new dataset within the file using cparms * creation properties. */ - dataset = H5Dcreate2(file, DATASETNAME, H5T_NATIVE_INT, dataspace, H5P_DEFAULT, - cparms, H5P_DEFAULT); + dataset = H5Dcreate2(file, DATASETNAME, H5T_NATIVE_INT, dataspace, H5P_DEFAULT, cparms, H5P_DEFAULT); /* * Extend the dataset. This call assures that dataset is at least 3 x 3. */ - size[0] = 3; - size[1] = 3; - status = H5Dset_extent(dataset, size); + size[0] = 3; + size[1] = 3; + status = H5Dset_extent(dataset, size); /* * Select a hyperslab. @@ -97,22 +92,20 @@ main (void) filespace = H5Dget_space(dataset); offset[0] = 0; offset[1] = 0; - status = H5Sselect_hyperslab(filespace, H5S_SELECT_SET, offset, NULL, - dims1, NULL); + status = H5Sselect_hyperslab(filespace, H5S_SELECT_SET, offset, NULL, dims1, NULL); /* * Write the data to the hyperslab. */ - status = H5Dwrite(dataset, H5T_NATIVE_INT, dataspace, filespace, - H5P_DEFAULT, data1); + status = H5Dwrite(dataset, H5T_NATIVE_INT, dataspace, filespace, H5P_DEFAULT, data1); /* * Extend the dataset. Dataset becomes 10 x 3. */ - dims[0] = dims1[0] + dims2[0]; - size[0] = dims[0]; - size[1] = dims[1]; - status = H5Dset_extent(dataset, size); + dims[0] = dims1[0] + dims2[0]; + size[0] = dims[0]; + size[1] = dims[1]; + status = H5Dset_extent(dataset, size); /* * Select a hyperslab. @@ -120,8 +113,7 @@ main (void) filespace = H5Dget_space(dataset); offset[0] = 3; offset[1] = 0; - status = H5Sselect_hyperslab(filespace, H5S_SELECT_SET, offset, NULL, - dims2, NULL); + status = H5Sselect_hyperslab(filespace, H5S_SELECT_SET, offset, NULL, dims2, NULL); /* * Define memory space @@ -131,16 +123,15 @@ main (void) /* * Write the data to the hyperslab. */ - status = H5Dwrite(dataset, H5T_NATIVE_INT, dataspace, filespace, - H5P_DEFAULT, data2); + status = H5Dwrite(dataset, H5T_NATIVE_INT, dataspace, filespace, H5P_DEFAULT, data2); /* * Extend the dataset. Dataset becomes 10 x 5. */ - dims[1] = dims1[1] + dims3[1]; - size[0] = dims[0]; - size[1] = dims[1]; - status = H5Dset_extent(dataset, size); + dims[1] = dims1[1] + dims3[1]; + size[0] = dims[0]; + size[1] = dims[1]; + status = H5Dset_extent(dataset, size); /* * Select a hyperslab @@ -148,8 +139,7 @@ main (void) filespace = H5Dget_space(dataset); offset[0] = 0; offset[1] = 3; - status = H5Sselect_hyperslab(filespace, H5S_SELECT_SET, offset, NULL, - dims3, NULL); + status = H5Sselect_hyperslab(filespace, H5S_SELECT_SET, offset, NULL, dims3, NULL); /* * Define memory space. @@ -159,15 +149,14 @@ main (void) /* * Write the data to the hyperslab. */ - status = H5Dwrite(dataset, H5T_NATIVE_INT, dataspace, filespace, - H5P_DEFAULT, data3); + status = H5Dwrite(dataset, H5T_NATIVE_INT, dataspace, filespace, H5P_DEFAULT, data3); /* * Resulting dataset * - * 3 3 3 2 2 - * 3 3 3 2 2 - * 3 3 3 0 0 + * 1 1 1 3 3 + * 1 1 1 3 3 + * 1 1 1 0 0 * 2 0 0 0 0 * 2 0 0 0 0 * 2 0 0 0 0 |