** This is part of the CTSim program
** Copyright (C) 1983-2000 Kevin Rosenberg
**
-** $Id: projections.cpp,v 1.17 2000/07/28 10:51:31 kevin Exp $
+** $Id: projections.cpp,v 1.23 2000/08/27 20:32:55 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
m_phmLen = scanner.phmLen();
m_rotInc = scanner.rotInc();
m_detInc = scanner.detInc();
+ m_focalLength = scanner.focalLength();
+ m_fieldOfView = scanner.fieldOfView();
m_rotStart = 0;
- m_detStart = -scanner.radius() + (scanner.detInc() / 2);
- m_phmLen = scanner.phmLen();
+ m_detStart = -(scanner.detLen() / 2) + (scanner.detInc() / 2);
}
void
kfloat64 _detStart = m_detStart;
kfloat64 _detInc = m_detInc;
kfloat64 _phmLen = m_phmLen;
-
+ kfloat64 _fieldOfView = m_fieldOfView;
+ kfloat64 _focalLength = m_focalLength;
+
fs.seekp(0);
if (! fs)
return false;
fs.writeFloat64 (_detStart);
fs.writeFloat64 (_detInc);
fs.writeFloat64 (_phmLen);
+ fs.writeFloat64 (_focalLength);
+ fs.writeFloat64 (_fieldOfView);
fs.writeInt16 (_year);
fs.writeInt16 (_month);
fs.writeInt16 (_day);
{
kuint16 _hsize, _signature, _year, _month, _day, _hour, _minute, _second, _remarksize = 0;
kuint32 _nView, _nDet, _geom;
- kfloat64 _calcTime, _rotStart, _rotInc, _detStart, _detInc, _phmLen;
+ kfloat64 _calcTime, _rotStart, _rotInc, _detStart, _detInc, _phmLen, _focalLength, _fieldOfView;
fs.seekg(0);
if (! fs)
fs.readFloat64 (_detStart);
fs.readFloat64 (_detInc);
fs.readFloat64 (_phmLen);
+ fs.readFloat64 (_focalLength);
+ fs.readFloat64 (_fieldOfView);
fs.readInt16 (_year);
fs.readInt16 (_month);
fs.readInt16 (_day);
m_detStart = _detStart;
m_detInc = _detInc;
m_phmLen = _phmLen;
+ m_focalLength = _focalLength;
+ m_fieldOfView = _fieldOfView;
m_year = _year;
m_month = _month;
m_day = _day;
{
printf("Projections Print\n\n");
printf("Description: %s\n", m_remark.c_str());
- printf("nView = %d nDet = %d\n", m_nView, m_nDet);
- printf("rotStart = %8.4f rotInc = %8.4f\n", m_rotStart, m_rotInc);
- printf("detStart = %8.4f detInc = %8.4f\n", m_detStart, m_detInc);
-
+ printf("nView = %8d nDet = %8d\n", m_nView, m_nDet);
+ printf("rotStart = %8.4f rotInc = %8.4f\n", m_rotStart, m_rotInc);
+ printf("detStart = %8.4f detInc = %8.4f\n", m_detStart, m_detInc);
+ printf("focalLength = %8.4f fieldOfView = %8.4f\n", m_focalLength, m_fieldOfView);
if (m_projData != NULL) {
for (int ir = 0; ir < m_nView; ir++) {
DetectorValue* detval = m_projData[ir]->detValues();
*/
bool
-Projections::reconstruct (ImageFile& im, const char* const filterName, double filt_param, const char* const filterMethodName, const int zeropad, const char* const interpName, int interpFactor, const char* const backprojectName, const int trace) const
+Projections::reconstruct (ImageFile& im, const char* const filterName, double filt_param, const char* const filterMethodName, const int zeropad, const char* filterGenerationName, const char* const interpName, int interpFactor, const char* const backprojectName, const int trace) const
{
double detInc = m_detInc;
int n_filteredProj = m_nDet * interpFactor;
#endif
double filterBW = 1. / detInc;
- SignalFilter filter (filterName, filterMethodName, filterBW, m_detInc, m_nDet, filt_param, "spatial", zeropad, interpFactor);
- filter.setTraceLevel(trace);
+ ProcessSignal processSignal (filterName, filterMethodName, filterBW, m_detInc, m_nDet, filt_param, "spatial", filterGenerationName, zeropad, interpFactor, trace, m_geometry);
- if (filter.fail()) {
- sys_error (ERR_SEVERE, "%s [Projections::reconstruct]", filter.failMessage().c_str());
+ if (processSignal.fail()) {
+ sys_error (ERR_SEVERE, "%s [Projections::reconstruct]", processSignal.failMessage().c_str());
return false;
}
cout << "Reconstruct: filter="<<filterName<< ", interp="<<interpName<<", backproject="<<backprojectName<<endl;
#if HAVE_SGP
- int nVecFilter = filter.getNFilterPoints();
+ int nVecFilter = processSignal.getNFilterPoints();
double plot_xaxis [nVecFilter]; // array for plotting
- if (trace > TRACE_TEXT && nVecFilter > 0) {
+ if (trace > Trace::TRACE_CONSOLE && nVecFilter > 0) {
int i;
double f;
- double filterInc = filter.getFilterIncrement();
- for (i = 0, f = filter.getFilterMin(); i < nVecFilter; i++, f += filterInc)
+ double filterInc = processSignal.getFilterIncrement();
+ for (i = 0, f = processSignal.getFilterMin(); i < nVecFilter; i++, f += filterInc)
plot_xaxis[i] = f;
- if (filter.getFilter()) {
+ if (processSignal.getFilter()) {
SGPDriver sgpDriver ("Filter Function");
SGP sgp (sgpDriver);
EZPlot ezplot (sgp);
- ezplot.addCurve (plot_xaxis, filter.getFilter(), nVecFilter);
+ ezplot.ezset ("title Filter Response");
+ ezplot.addCurve (plot_xaxis, processSignal.getFilter(), nVecFilter);
ezplot.plot();
cio_put_str ("Press any key to continue");
cio_kb_getc ();
}
}
- if (trace >= TRACE_TEXT) {
+ if (trace >= Trace::TRACE_CONSOLE) {
printf ("nview=%d, ndet=%d, det_start=%.4f, detInc=%.4f\n", m_nView, m_nDet, m_detStart, m_detInc);
}
#endif //HAVE_SGP
}
for (int iview = 0; iview < m_nView; iview++) {
- if (trace >= TRACE_TEXT)
+ if (trace >= Trace::TRACE_CONSOLE)
printf ("Reconstructing view %d (last = %d)\n", iview, m_nView - 1);
const DetectorArray& darray = getDetectorArray (iview);
const DetectorValue* detval = darray.detValues();
- filter.filterSignal (detval, filteredProj);
+ processSignal.filterSignal (detval, filteredProj, iview);
+
+#ifdef HAVE_BSPLINE_INTERP
+ if (interp_type == I_BSPLINE)
+ bspline (m_nDet, zoom_factor, spline_order, filteredProj, filteredProj);
+
+#ifdef HAVE_SGP
+ if (trace >= Trace::TRACE_PLOT && interp_type == I_BSPLINE) {
+ bspline (m_nDet, zoom_factor, spline_order, filteredProj, filteredProj);
+ ezplot_1d (filteredProj, n_filteredProj);
+ }
+#endif
+#endif
+
+ bj.BackprojectView (filteredProj, darray.viewAngle());
#ifdef HAVE_SGP
- if (trace >= TRACE_PLOT) {
+ if (trace >= Trace::TRACE_PLOT) {
SGPDriver sgpDriverProj ("Projection");
SGP sgpProj (sgpDriverProj);
EZPlot ezplotProj (sgpProj);
ezplotProj.ezset ("clear");
+ ezplotProj.ezset ("title Filtered Projection");
ezplotProj.ezset ("xticks major 5.");
ezplotProj.ezset ("xlabel ");
ezplotProj.ezset ("ylabel ");
- ezplotProj.ezset ("xlength .5.");
+ ezplotProj.ezset ("yporigin .5.");
+ ezplotProj.ezset ("ylength .5.");
ezplotProj.ezset ("box.");
ezplotProj.ezset ("grid.");
- ezplotProj.addCurve (detval, plot_xaxis, m_nDet);
+ ezplotProj.addCurve (plot_xaxis, detval, m_nDet);
ezplotProj.plot();
ezplotProj.ezset ("clear");
ezplotProj.ezset ("xticks major 5.");
ezplotProj.ezset ("xlabel ");
ezplotProj.ezset ("ylabel ");
- ezplotProj.ezset ("xporigin .5.");
- ezplotProj.ezset ("xlength .5.");
+ ezplotProj.ezset ("ylength .5.");
ezplotProj.ezset ("box");
ezplotProj.ezset ("grid");
- ezplotProj.addCurve (filteredProj, plot_xaxis, n_filteredProj);
+ ezplotProj.addCurve (plot_xaxis, filteredProj, n_filteredProj);
ezplotProj.plot();
- cout << "Press enter to continue\n";
- cio_kb_getc();
- }
-#endif //HAVE_SGP
-
-#ifdef HAVE_BSPLINE_INTERP
- if (interp_type == I_BSPLINE)
- bspline (m_nDet, zoom_factor, spline_order, filteredProj, filteredProj);
-
-#ifdef HAVE_SGP
- if (trace >= TRACE_PLOT && interp_type == I_BSPLINE) {
- bspline (m_nDet, zoom_factor, spline_order, filteredProj, filteredProj);
- ezplot_1d (filteredProj, n_filteredProj);
- }
-#endif
-#endif
-
- bj.BackprojectView (filteredProj, darray.viewAngle());
-#ifdef HAVE_SGP
- if (trace >= TRACE_PLOT) {
+ cout << "Do you want to exit with current pic (y/n)? " << flush;
char str[256];
- printf ("Do you want to exit with current pic (y/n) -- ");
fgets(str, sizeof(str), stdin);
if (tolower(str[0]) == 'y') {
break;