** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: projections.cpp,v 1.8 2000/07/02 18:21:39 kevin Exp $
+** $Id: projections.cpp,v 1.11 2000/07/04 22:21:01 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
{
int nview = m_nView;
double detInc = m_detInc;
- double detlen = (m_nDet - 1) * detInc;
int n_filteredProj = m_nDet;
double filteredProj [n_filteredProj]; // filtered projections
#endif
double filterBW = 1. / detInc;
+ SignalFilter filter (filterName, filterMethodName, filterBW, m_detInc, m_nDet, filt_param, "spatial", 0);
+ filter.setTraceLevel(trace);
- SignalFilter filter (filterName, filterMethodName, filterBW, detlen, m_nDet, filt_param, "spatial", 0);
if (filter.fail()) {
sys_error (ERR_SEVERE, "%s [Projections::reconstruct]", filter.failMessage().c_str());
return false;
#if HAVE_SGP
SGP_ID gid;
- int n_vec_filter = filter.getNFilterPoints();
- double plot_xaxis [n_vec_filter]; // array for plotting
+ int nVecFilter = filter.getNFilterPoints();
+ double plot_xaxis [nVecFilter]; // array for plotting
- if (trace > TRACE_TEXT) {
+ if (trace > TRACE_TEXT && nVecFilter > 0) {
int i;
double f;
- double filterInc = (detlen * 2) / (n_vec_filter - 1);
- for (i = 0, f = -detlen; i < n_vec_filter; i++, f += filterInc)
+ double filterInc = filter.getFilterIncrement();
+ for (i = 0, f = filter.getFilterMin(); i < nVecFilter; i++, f += filterInc)
plot_xaxis[i] = f;
-
- gid = ezplot (plot_xaxis, filter.getFilter(), n_vec_filter);
- cio_put_str ("Press any key to continue");
- cio_kb_getc ();
- sgp2_close (gid);
+
+ if (filter.getFilter()) {
+ gid = ezplot (plot_xaxis, filter.getFilter(), nVecFilter);
+ cio_put_str ("Press any key to continue");
+ cio_kb_getc ();
+ sgp2_close (gid);
+ }
}
if (trace >= TRACE_TEXT) {
printf ("nview=%d, ndet=%d, det_start=%.4f, detInc=%.4f\n", m_nView, m_nDet, m_detStart, m_detInc);
DetectorArray& darray = getDetectorArray (iview);
DetectorValue* detval = darray.detValues();
- filter.filterSignal (detval, filteredProj, detInc, m_nDet);
-
- // for (int j = 0; j < m_nDet; j++)
- // filteredProj[j] = filter.convolve (detval, detInc, j, m_nDet);
+ filter.filterSignal (detval, filteredProj);
#ifdef HAVE_SGP
if (trace >= TRACE_PLOT) {