#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; }