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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 ***********************/
/*
* Open the file for reading and initialize the SD interface.
*/
sd_id = SDstart (FILE_NAME, DFACC_READ);
/*
* Select the first data set.
*/
sds_index = 0;
sds_id = SDselect (sd_id, sds_index);
/*
* Set elements of array start to 0, elements of array edges
* to SDS dimensions,and use NULL for the argument stride in SDreaddata
* to read the entire data.
*/
start[0] = 0;
start[1] = 0;
edges[0] = Y_LENGTH;
edges[1] = X_LENGTH;
/*
* Read entire data into data array.
*/
status = SDreaddata (sds_id, start, NULL, edges, (VOIDP)data);
/*
* Print 10th row; the following numbers should be displayed.
*
* 10 1000 12 13 14
*/
for (j = 0; j < X_LENGTH; j++) printf ("%d ", data[9][j]);
printf ("\n");
/*
* 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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