.\" -*- nroff -*- .\" .\" sdf-1.1 .\" .\" Author: Kevin Rosenberg .\" .\" $Id: sdf-1.1,v 1.1 2000/05/03 08:43:46 kevin Exp $ .\" $Log: sdf-1.1,v $ .\" Revision 1.1 2000/05/03 08:43:46 kevin .\" *** empty log message *** .\" .\" .Dd April 19, 2000 .Dt SDF-1 1 .Os .Sh NAME .Nm sdf-1 .Nd Single SDF (Standard Data File) Transformation .Sh SYNOPSIS .Nm sdf-1 sdffile outfile [OPTIONS] .Sh DESCRIPTION .Pp .Nm Transforms a single SDF file. .Pp The options are as follows: .Bl -tag -width Ds .It Fl Fl invert Inverts (negates) the image .It Fl Fl log Natural logrithm of image .It Fl Fl exp Natural exponential of image .It Fl Fl debug Set debug mode .It Fl Fl verbose Set verbose mode .It Fl Fl version Print version .It Fl Fl help Print terse help summary .Sh AUTHORS Kevin Rosenberg, M.D. .Sh HISTORY .Nm was first written in 1983 using MS-DOS and an EGA display adapter. In 1999 it was ported to GNU/Linux. .Sh SEE ALSO .Xr ctrec 1 , .Xr phm2rs 1 , .Xr phm2sdf 1 , .Xr rs2sdf 1 , .Xr sdfinfo 1