mirror/hdf5
2
0
Fork 0
mirror of https://github.com/HDFGroup/hdf5.git synced 2025-03-19 16:50:46 +08:00
Code Issues Packages Projects Releases Wiki Activity

[svn-r1366]

Browse Source 
Example was modified to show how fill values are set for the dataset.
Typos in the comments were fixed and updated.
This commit is contained in:
Elena Pourmal 1999-06-18 16:11:50 -05:00
parent 998991d13d
commit c858b61346
1 changed files with 17 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
examples/h5_select.c
View File

@ -6,7 +6,7 @@
* Then four elements of the matrix are overwritten with the new values and
* file is closed. Program reopens the file and selects the union of two
* hyperslabs in the dataset in the file. Then it reads the selection into the
* memory dataset preserving the shape of the selectin.
* memory dataset preserving the shape of the selection.
*/
#include <hdf5.h>
@ -38,6 +38,8 @@ int main (void)
hid_t file, dataset; /* File and dataset identifiers */
hid_t mid1, mid2, mid, fid; /* Dataspace identifiers */
hid_t plist; /* Dataset property list identifier */
hsize_t dim1[] = {MSPACE1_DIM}; /* Dimension size of the first dataset
(in memory) */
hsize_t dim2[] = {MSPACE2_DIM}; /* Dimension size of the second dataset
@ -58,7 +60,8 @@ int main (void)
from the file dataspace */
herr_t ret;
unsigned i,j;
int matrix[FSPACE_DIM1][FSPACE_DIM2]; /* Buffer to write to the dataset */
int fillvalue = 0; /* Fill value for the dataset */
int matrix_out[MSPACE_DIM1][MSPACE_DIM2]; /* Buffer to read from the
dataset */
int vector[MSPACE1_DIM];
@ -70,15 +73,16 @@ int main (void)
vector[0] = vector[MSPACE1_DIM - 1] = -1;
for (i = 1; i < MSPACE1_DIM - 1; i++) vector[i] = i;
for (i = 0; i < FSPACE_DIM1; i++) {
for (j = 0; j < FSPACE_DIM2; j++)
matrix[i][j] = 0;
}
/*
* Create a file.
*/
file = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
/*
* Create a file.
*/
file = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
/*
* Create property list for a dataset and set up fill values.
*/
plist = H5Pcreate(H5P_DATASET_CREATE);
ret = H5Pset_fill_value(plist, H5T_NATIVE_INT, &fillvalue);
/*
* Create dataspace for the dataset in the file.
@ -86,10 +90,10 @@ int main (void)
fid = H5Screate_simple(FSPACE_RANK, fdim, NULL);
/*
* Create dataset and write it into the file.
* Create dataset in the file. Notice that creation
* property list plist is used.
*/
dataset = H5Dcreate(file, "Matrix in file", H5T_NATIVE_INT, fid, H5P_DEFAULT);
ret = H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, matrix);
dataset = H5Dcreate(file, "Matrix in file", H5T_NATIVE_INT, fid, plist);
/*
* Select hyperslab for the dataset in the file, using 3x2 blocks,