** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: sdf-1.c,v 1.1 2000/04/28 13:02:44 kevin Exp $
+** $Id: sdf-1.c,v 1.2 2000/05/03 08:49:50 kevin Exp $
** $Log: sdf-1.c,v $
-** Revision 1.1 2000/04/28 13:02:44 kevin
-** Initial revision
+** Revision 1.2 2000/05/03 08:49:50 kevin
+** Code cleanup
+**
+** Revision 1.1.1.1 2000/04/28 13:02:44 kevin
+** Initial CVS import for first public release
+**
**
**
** This program is free software; you can redistribute it and/or modify
#include "ct.h"
+#define O_LOG 4
+#define O_EXP 5
#define O_INVERT 6
#define O_VERBOSE 7
#define O_HELP 8
{
{"invert", 0, 0, O_INVERT},
{"verbose", 0, 0, O_VERBOSE},
+ {"log", 0, 0, O_LOG},
+ {"exp", 0, 0, O_EXP},
{"help", 0, 0, O_HELP},
{"version", 0, 0, O_VERSION},
{0, 0, 0, 0}
fprintf(stdout, "Generate a SDF2D file from a SDF2D file\n");
fprintf(stdout, "\n");
fprintf(stdout, " --invert Invert image\n");
+ fprintf(stdout, " --log Natural logrithm of image\n");
+ fprintf(stdout, " --exp Natural exponential of image\n");
fprintf(stdout, " --verbose Verbose modem\n");
fprintf(stdout, " --version Print version\n");
fprintf(stdout, " --help Print this help message\n");
char *out_file;
int opt_verbose = 0;
int opt_invert = 0;
+ int opt_log = 0;
+ int opt_exp = 0;
while (1)
{
case O_INVERT:
opt_invert = 1;
break;
+ case O_LOG:
+ opt_log = 1;
+ break;
+ case O_EXP:
+ opt_exp = 1;
+ break;
case O_VERBOSE:
opt_verbose = 1;
break;
out_file = argv[optind + 1];
- if (opt_invert) {
+ if (opt_invert || opt_log || opt_exp) {
int ix, iy;
im_in = image_load (in_file);
im_out = image_create (out_file, im_in->nx, im_in->ny);
- for (ix = 0; ix < im_in->nx; ix++)
- for (iy = 0; iy < im_in->ny; iy++)
- im_out->v[ix][iy] = - im_in->v[ix][iy];
-
+ if (opt_invert) {
+ for (ix = 0; ix < im_in->nx; ix++)
+ for (iy = 0; iy < im_in->ny; iy++)
+ im_out->v[ix][iy] = - im_in->v[ix][iy];
+ }
+ if (opt_log) {
+ for (ix = 0; ix < im_in->nx; ix++)
+ for (iy = 0; iy < im_in->ny; iy++)
+ im_out->v[ix][iy] = log (im_in->v[ix][iy]);
+ }
+ if (opt_exp) {
+ for (ix = 0; ix < im_in->nx; ix++)
+ for (iy = 0; iy < im_in->ny; iy++)
+ im_out->v[ix][iy] = exp (im_in->v[ix][iy]);
+ }
+
image_save(im_out);
}