ARC/INFO® ASCII Grid files can be opened as scatter sets in SMS. The files are opened through File | Open. To save the data, they must be saved as a scatter point file.
ncols ncol /* Number of columns in the grid */
nrows nrow /* Number of rows in the grid */
x11corner x /* Lower left x coordinate of grid */
y11corner y /* Lower left y coordinate of grid */
cellsize size /* Grid cell size */
NODATA_value NODATA /* Value of an empty grid cell */
z11 z12 z13 ... z1ncols /* Values of row 1 */
z21 z22 z23 ... z2ncols /* Values of row 2 */
.
.
znrows1 znrows2 znrows3 ... znrowsncols /* Values of last row */
ncols 128
nrows 136
x11corner 422415
y11corner 4515405
cellsize 30
NODATA_value -9999
1287 1286 1286 1288 ...
1288 1288 -9999 1289 ...
.
.
1282 -9999 1283 1284