Keyword Posn Type Description ------- ---- ---- ----------- INFILE 1 CHARACTER Input dataset OUTFILE 2 CHARACTER Output dataset MSK_IDIM 3 INTEGER Dimension to smooth first MSK_IDIM1 4 INTEGER Optional dimension to smooth next '0' for none) MSK_DO 5 CHARACTER 'Y' to reinstate gaps in data or 'N' to leave as interpolated values. MSK_MASK 6 CHARACTER Type of mask (TOP hat, LAPlacian, COSine bell, GAUssian or user file if none of these). Enter first three letters of predefined masks. MSK_WIDTH 7 INTEGER Width of top hat and cosine masks, standard deviation of the Gaussian mask. (Specified in bins, must be = 256). MSK_NEWUNITS 8 CHARACTER Units of user file (eg GRADIENT for gradient mask) MSK_LGAU INTEGER Total length of Gaussian mask. ENDS CHARACTER How to process the ends of the dataset? (see ENDS_OF_DATASET entry) OVER LOGICAL Should the input file be overwritten ?