-//----------------------------------------------------------------------//
-// USER SYMBOLS //
-//----------------------------------------------------------------------//
-
-// Trace levels
-static const char O_TRACE_NONE_STR[]= "none";
-static const char O_TRACE_TEXT_STR[]= "text";
-static const char O_TRACE_PHM_STR[]= "phm";
-static const char O_TRACE_RAYS_STR[]= "rays";
-static const char O_TRACE_PLOT_STR[]= "plot";
-static const char O_TRACE_CLIPPING_STR[]= "clipping";
-
-enum {
- TRACE_NONE, /* No tracing */
- TRACE_TEXT, /* Minimal status */
- TRACE_PHM, /* Show phantom */
- TRACE_RAYS, /* Show all rays */
- TRACE_PLOT, /* Plot raysums */
- TRACE_CLIPPING /* Plot clipping */
-};
-
-
-/*************************************************************************
- * FUNCTION DECLARATIONS
- ************************************************************************/
-
-// dialogs.cpp
-bool phm_add_pelem_kb (Phantom& phm);
-const Phantom& phm_select (Phantom& phm);
-int interpolation_select (void);
-int filter_select (double *filter_param);
-
-// options.cpp
-int opt_set_trace(const char *optarg);
-
-// imagefile.cpp
-void image_filter_response (ImageFile& im, const char* const domainName, double bw, const char* const filterName, double filt_param, const int opt_trace);
-int image_display (const ImageFile& im);
-int image_display_scale (const ImageFile& im, const int scale, const double pmin, const double pmax);
-