.OUTPUT FILE: SPI001
[Enter output file name (use SPIDER conventions)]
.(D)ENSITY, (T)RANSMISSION: D
[If image was digitzed in density mode, enter D , otherwise
enter "T" and the program will convert the transmission values
into densities]
.REDUCTION FACTOR (0 IF NO RED.): 4
[Enter integer reduction factor. The program averages over
aXa pixels (a=reduction factor). If you do not want to have
any reduction, enter 1.]
NOTES