mirror of
https://github.com/HDFGroup/hdf5.git
synced 2025-02-11 16:01:00 +08:00
4c2346ff5d
Problem: Data type handle was not released. Solution: Call to H5Tclose has been added. Platforms tested: Sun Sparc (baldric)
80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/*
|
|
* This example writes data to HDF5 file.
|
|
* Data conversion is performed during write operation.
|
|
*/
|
|
|
|
#include "hdf5.h"
|
|
|
|
#define FILE "SDS.h5"
|
|
#define DATASETNAME "IntArray"
|
|
#define NX 5 /* dataset dimensions */
|
|
#define NY 6
|
|
#define RANK 2
|
|
|
|
main ()
|
|
{
|
|
hid_t file, dataset; /* file and dataset handles */
|
|
hid_t datatype, dataspace; /* handles */
|
|
size_t dimsf[2]; /* dataset dimensions */
|
|
herr_t status;
|
|
int data[NX][NY]; /* data to write */
|
|
int i, j;
|
|
|
|
/*
|
|
* Data and output buffer initialization.
|
|
*/
|
|
|
|
for (j = 0; j < NX; j++) {
|
|
for (i = 0; i < NY; i++)
|
|
data[j][i] = i + j;
|
|
}
|
|
/* 0 1 2 3 4 5
|
|
1 2 3 4 5 6
|
|
2 3 4 5 6 7
|
|
3 4 5 6 7 8
|
|
4 5 6 7 8 9 */
|
|
|
|
/*
|
|
* Create a new file using H5ACC_OVERWRITE access,
|
|
* default file creation properties, and default file
|
|
* access properties.
|
|
*/
|
|
file = H5Fcreate(FILE, H5ACC_DEFAULT, H5C_DEFAULT, H5C_DEFAULT);
|
|
|
|
/*
|
|
* Describe the size of the array and create the data space for fixed
|
|
* size dataset.
|
|
*/
|
|
dimsf[0] = NX;
|
|
dimsf[1] = NY;
|
|
dataspace = H5Pcreate_simple(RANK, dimsf, NULL);
|
|
|
|
/*
|
|
* Define datatype for the data in the file.
|
|
* We will store liitle endian INT32 numbers.
|
|
*/
|
|
datatype = H5Tcopy(H5T_NATIVE_INT32);
|
|
status = H5Tset_order(datatype, H5T_ORDER_LE);
|
|
/*
|
|
* Create a new dataset within the file using defined dataspace and
|
|
* datatype and default dataset creation properties.
|
|
*/
|
|
dataset = H5Dcreate(file, DATASETNAME, datatype, dataspace,
|
|
H5C_DEFAULT);
|
|
|
|
/*
|
|
* Write the data to the dataset using default transfer properties.
|
|
*/
|
|
status = H5Dwrite(dataset, H5T_NATIVE_INT, H5P_ALL, H5P_ALL,
|
|
H5C_DEFAULT, data);
|
|
|
|
/*
|
|
* Close/release resources.
|
|
*/
|
|
H5Pclose(dataspace);
|
|
H5Tclose(datatype);
|
|
H5Dclose(dataset);
|
|
H5Fclose(file);
|
|
|
|
}
|