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#include "mfhdf.h"
#define FILE_NAME "SDS.hdf"
#define X_LENGTH 5
#define Y_LENGTH 16
int main()
{
/************************* Variable declaration **************************/
int32 sd_id, sds_id, sds_index;
intn status;
int32 start[2], edges[2];
int32 data[Y_LENGTH][X_LENGTH];
int i, j;
/********************* End of variable declaration ***********************/
/*
* Data set data initialization.
*/
for (j = 0; j < Y_LENGTH; j++) {
for (i = 0; i < X_LENGTH; i++)
data[j][i] = (i + j) + 1;
}
/*
* Open the file and initialize the SD interface.
*/
sd_id = SDstart (FILE_NAME, DFACC_WRITE);
/*
* Attach to the first data set.
*/
sds_index = 0;
sds_id = SDselect (sd_id, sds_index);
/*
* Define the location and size of the data to be written to the data set.
*/
start[0] = 0;
start[1] = 0;
edges[0] = Y_LENGTH;
edges[1] = X_LENGTH;
/*
* Write the stored data to the data set. The third argument is set to NULL
* to specify contiguous data elements. The last argument must
* be explicitly cast to a generic pointer since SDwritedata is designed
* to write generic data.
*/
status = SDwritedata (sds_id, start, NULL, edges, (VOIDP)data);
/*
* Terminate access to the data set.
*/
status = SDendaccess (sds_id);
/*
* Terminate access to the SD interface and close the file.
*/
status = SDend (sd_id);
return 0;
}
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