--- /dev/null
+/*****************************************************************************
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
+**
+** $Id: options.cpp,v 1.1 2000/06/19 02:59:34 kevin Exp $
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License (version 2) as
+** published by the Free Software Foundation.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+******************************************************************************/
+#include "ct.h"
+
+int
+opt_set_trace (const char *optarg)
+{
+ int opt;
+
+ if (strcmp(optarg, O_TRACE_NONE_STR) == 0)
+ opt = TRACE_NONE;
+ else if (strcmp(optarg, O_TRACE_TEXT_STR) == 0)
+ opt = TRACE_TEXT;
+ else if (strcmp(optarg, O_TRACE_PHM_STR) == 0)
+ opt = TRACE_PHM;
+ else if (strcmp(optarg, O_TRACE_PLOT_STR) == 0)
+ opt = TRACE_PLOT;
+ else if (strcmp(optarg, O_TRACE_CLIPPING_STR) == 0)
+ opt = TRACE_CLIPPING;
+ else if (strcmp(optarg, O_TRACE_RAYS_STR) == 0)
+ opt = TRACE_RAYS;
+ else {
+ sys_error(ERR_WARNING,"Invalid trace option %s\n", optarg);
+ opt = -1;
+ }
+
+ return (opt);
+}
+
+const char *
+name_of_phantom (const int phmnum)
+{
+ const char *name = "Unknown phantom";
+
+ if (phmnum == O_PHM_HERMAN)
+ name = O_PHM_HERMAN_STR;
+ else if (phmnum == O_PHM_ROWLAND)
+ name = O_PHM_ROWLAND_STR;
+ else if (phmnum == O_PHM_BROWLAND)
+ name = O_PHM_BROWLAND_STR;
+ else if (phmnum == O_PHM_UNITPULSE)
+ name = O_PHM_UNITPULSE_STR;
+
+ return (name);
+}
+
+int
+opt_set_phantom (const char *optarg)
+{
+ int opt;
+
+ if (strcmp(optarg, O_PHM_HERMAN_STR) == 0)
+ opt = O_PHM_HERMAN;
+ else if (strcmp(optarg, O_PHM_ROWLAND_STR) == 0)
+ opt = O_PHM_ROWLAND;
+ else if (strcmp(optarg, O_PHM_BROWLAND_STR) == 0)
+ opt = O_PHM_BROWLAND;
+ else if (strcmp(optarg, O_PHM_UNITPULSE_STR) == 0)
+ opt = O_PHM_UNITPULSE;
+ else {
+ sys_error(ERR_WARNING,"Invalid phantom option %s\n", optarg);
+ opt = -1;
+ }
+
+ return (opt);
+
+}
+
+InterpolationType
+opt_set_interpolation (const char *optarg)
+{
+ InterpolationType opt;
+
+ if (strcmp(optarg, O_INTERP_NEAREST_STR) == 0)
+ opt = I_NEAREST;
+ else if (strcmp(optarg, O_INTERP_LINEAR_STR) == 0)
+ opt = I_LINEAR;
+#if HAVE_BSPLINE_INTERP
+ else if (strcmp(optarg, O_INTERP_BSPLINE_STR) == 0)
+ opt = I_BSPLINE;
+#endif
+ else {
+ sys_error(ERR_WARNING, "Invalid interpolation type %s\n", optarg);
+ opt = static_cast<InterpolationType>(-1);
+ }
+
+ return (opt);
+}
+
+FilterType
+opt_set_filter (const char *optarg)
+{
+ FilterType opt;
+
+ if (strcmp(optarg, O_FILTER_BANDLIMIT_STR) == 0)
+ opt = FILTER_BANDLIMIT;
+ else if (strcmp(optarg, O_FILTER_HAMMING_STR) == 0)
+ opt = FILTER_G_HAMMING;
+ else if (strcmp(optarg, O_FILTER_SINC_STR) == 0)
+ opt = FILTER_SINC;
+ else if (strcmp(optarg, O_FILTER_COS_STR) == 0)
+ opt = FILTER_COSINE;
+ else if (strcmp(optarg, O_FILTER_TRIANGLE_STR) == 0)
+ opt = FILTER_TRIANGLE;
+ else if (strcmp(optarg, O_FILTER_ABS_BANDLIMIT_STR) == 0)
+ opt = FILTER_ABS_BANDLIMIT;
+ else if (strcmp(optarg, O_FILTER_ABS_HAMMING_STR) == 0)
+ opt = FILTER_ABS_G_HAMMING;
+ else if (strcmp(optarg, O_FILTER_ABS_SINC_STR) == 0)
+ opt = FILTER_ABS_SINC;
+ else if (strcmp(optarg, O_FILTER_ABS_COS_STR) == 0)
+ opt = FILTER_ABS_COSINE;
+ else if (strcmp(optarg, O_FILTER_SHEPP_STR) == 0)
+ opt = FILTER_SHEPP;
+ else {
+ sys_error(ERR_WARNING, "Invalid filter type %s\n", optarg);
+ opt = static_cast<FilterType>(-1);
+ }
+
+ return (opt);
+}
+
+const char *
+name_of_filter (const int filter)
+{
+ const char *name = "Unknown filter";
+
+ if (filter == FILTER_SHEPP)
+ name = O_FILTER_SHEPP_STR;
+ else if (filter == FILTER_ABS_COSINE)
+ name = O_FILTER_ABS_COS_STR;
+ else if (filter == FILTER_ABS_SINC)
+ name = O_FILTER_ABS_SINC_STR;
+ else if (filter == FILTER_ABS_G_HAMMING)
+ name = O_FILTER_ABS_HAMMING_STR;
+ else if (filter == FILTER_ABS_BANDLIMIT)
+ name = O_FILTER_ABS_BANDLIMIT_STR;
+ else if (filter == FILTER_COSINE)
+ name = O_FILTER_COS_STR;
+ else if (filter == FILTER_SINC)
+ name = O_FILTER_SINC_STR;
+ else if (filter == FILTER_G_HAMMING)
+ name = O_FILTER_HAMMING_STR;
+ else if (filter == FILTER_BANDLIMIT)
+ name = O_FILTER_BANDLIMIT_STR;
+ else if (filter == FILTER_TRIANGLE)
+ name = O_FILTER_TRIANGLE_STR;
+
+ return (name);
+}
+
+DomainType
+opt_set_filter_domain (const char *optarg)
+{
+ DomainType opt;
+
+ if (strcmp(optarg, D_SPATIAL_STR) == 0)
+ opt = D_SPATIAL;
+ else if (strcmp(optarg, D_FREQ_STR) == 0)
+ opt = D_FREQ;
+ else {
+ sys_error(ERR_WARNING, "Invalid filter domain %s\n", optarg);
+ opt = static_cast<DomainType>(-1);
+ }
+
+ return (opt);
+}
+
+const char *
+name_of_filter_domain (const DomainType domain)
+{
+ const char *name = "Unknown domain";
+
+ if (domain == D_SPATIAL)
+ return(D_SPATIAL_STR);
+ else if (domain == D_FREQ)
+ return(D_FREQ_STR);
+
+ return (name);
+}
+
+
+BackprojType
+opt_set_backproj (const char *optarg)
+{
+ BackprojType opt;
+
+ if (strcmp(optarg, O_BPROJ_TRIG_STR) == 0)
+ opt = O_BPROJ_TRIG;
+ else if (strcmp(optarg, O_BPROJ_TABLE_STR) == 0)
+ opt = O_BPROJ_TABLE;
+ else if (strcmp(optarg, O_BPROJ_DIFF_STR) == 0)
+ opt = O_BPROJ_DIFF;
+ else if (strcmp(optarg, O_BPROJ_DIFF2_STR) == 0)
+ opt = O_BPROJ_DIFF2;
+ else if (strcmp(optarg, O_BPROJ_IDIFF2_STR) == 0)
+ opt = O_BPROJ_IDIFF2;
+ else {
+ sys_error(ERR_WARNING, "Invalid backprojection method %s\n", optarg);
+ opt = static_cast<BackprojType>(-1);
+ }
+
+ return (opt);
+}
+
+const char *
+name_of_backproj(const BackprojType bproj)
+{
+ const char *name = "Unknown backprojection method";
+
+ if (bproj == O_BPROJ_TRIG)
+ name = O_BPROJ_TRIG_STR;
+ else if (bproj == O_BPROJ_TABLE)
+ name = O_BPROJ_TABLE_STR;
+ else if (bproj == O_BPROJ_DIFF)
+ name = O_BPROJ_DIFF_STR;
+ else if (bproj == O_BPROJ_DIFF2)
+ name = O_BPROJ_DIFF2_STR;
+ else if (bproj == O_BPROJ_IDIFF2)
+ name = O_BPROJ_IDIFF2_STR;
+
+ return (name);
+}
+
+
+
+/* NAME
+ * name_of_interp Return name of interpolation method
+ *
+ * SYNOPSIS
+ * name = name_of_interp (interp_type)
+ * char *name Name of interpolation method
+ * int interp_type Method of interpolation
+ *
+ * NOTES
+ * Returns NULL if interp_type is invalid
+ */
+
+const char *
+name_of_interpolation (int interp_type)
+{
+ if (interp_type == I_NEAREST)
+ return (O_INTERP_NEAREST_STR);
+ else if (interp_type == I_LINEAR)
+ return (O_INTERP_LINEAR_STR);
+#if HAVE_BSPLINE_INTERP
+ else if (interp_type == I_BSPLINE)
+ return (O_INTERP_BSPLINE_STR);
+#endif
+ else
+ return ("Unknown interpolation method");
+}
+
+
projects / ctsim.git / blobdiff