X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=libctsim%2Fprojections.cpp;h=be8e82941f9a47b30fe1946905fa9fba96bc7f0c;hp=813d7bc59f22fdc0973589eaffe354a655c270fa;hb=a05f3cb550877e94aa118cc04b361c0c8fdb3dc3;hpb=e36dfad3f0818b4c3457fbe7277faa6f4ca28dfe diff --git a/libctsim/projections.cpp b/libctsim/projections.cpp index 813d7bc..be8e829 100644 --- a/libctsim/projections.cpp +++ b/libctsim/projections.cpp @@ -8,7 +8,7 @@ ** This is part of the CTSim program ** Copyright (C) 1983-2000 Kevin Rosenberg ** -** $Id: projections.cpp,v 1.20 2000/08/19 22:59:06 kevin Exp $ +** $Id: projections.cpp,v 1.24 2000/08/31 08:38:58 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 @@ -80,9 +80,17 @@ Projections::initFromScanner (const Scanner& scanner) m_phmLen = scanner.phmLen(); m_rotInc = scanner.rotInc(); m_detInc = scanner.detInc(); + m_geometry = scanner.geometry(); + 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); +#if 0 + if (m_geometry == Scanner::GEOMETRY_EQUILINEAR) { + m_detInc /= 2; + cout << "Kludge: detInc /= 2 in Projections::initFromScanner" << endl; + } +#endif } void @@ -158,7 +166,9 @@ Projections::headerWrite (fnetorderstream& fs) 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; @@ -174,6 +184,8 @@ Projections::headerWrite (fnetorderstream& fs) fs.writeFloat64 (_detStart); fs.writeFloat64 (_detInc); fs.writeFloat64 (_phmLen); + fs.writeFloat64 (_focalLength); + fs.writeFloat64 (_fieldOfView); fs.writeInt16 (_year); fs.writeInt16 (_month); fs.writeInt16 (_day); @@ -202,7 +214,7 @@ Projections::headerRead (fnetorderstream& fs) { 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) @@ -219,6 +231,8 @@ Projections::headerRead (fnetorderstream& 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); @@ -262,6 +276,8 @@ Projections::headerRead (fnetorderstream& fs) m_detStart = _detStart; m_detInc = _detInc; m_phmLen = _phmLen; + m_focalLength = _focalLength; + m_fieldOfView = _fieldOfView; m_year = _year; m_month = _month; m_day = _day; @@ -277,6 +293,13 @@ Projections::headerRead (fnetorderstream& fs) return true; } +bool +Projections::read (const string& filename) +{ + return read (filename.c_str()); +} + + bool Projections::read (const char* filename) { @@ -302,6 +325,12 @@ Projections::read (const char* filename) } +bool +Projections::write (const string& filename) +{ + return write (filename.c_str()); +} + bool Projections::write (const char* filename) { @@ -433,14 +462,16 @@ Projections::detarrayWrite (fnetorderstream& fs, const DetectorArray& darray, co void Projections::printProjectionData (void) { - printf("Projections Print\n\n"); + printf("Projections Data\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("Geometry: %s\n", Scanner::convertGeometryIDToName (m_geometry)); + printf("nView = %8d nDet = %8d\n", m_nView, m_nDet); + printf("focalLength = %8.4f fieldOfView = %8.4f\n", m_focalLength, m_fieldOfView); + printf("rotStart = %8.4f rotInc = %8.4f\n", m_rotStart, m_rotInc); + printf("detStart = %8.4f detInc = %8.4f\n", m_detStart, m_detInc); if (m_projData != NULL) { for (int ir = 0; ir < m_nView; ir++) { + printf("View %d: angle %f\n", ir, m_projData[ir]->viewAngle()); DetectorValue* detval = m_projData[ir]->detValues(); for (int id = 0; id < m_projData[ir]->nDet(); id++) printf("%8.4f ", detval[id]); @@ -450,16 +481,19 @@ Projections::printProjectionData (void) } void -Projections::printScanInfo (void) const +Projections::printScanInfo (ostringstream& os) const { - printf ("Number of detectors: %d\n", m_nDet); - printf (" Number of views: %d\n", m_nView); - printf (" Remark: %s\n", m_remark.c_str()); - printf (" phmLen: %f\n", m_phmLen); - printf (" detStart: %f\n", m_detStart); - printf (" detInc: %f\n", m_detInc); - printf (" rotStart: %f\n", m_rotStart); - printf (" rotInc: %f\n", m_rotInc); + os << "Number of detectors: " << m_nDet << "\n"; + os << " Number of views: " << m_nView<< "\n"; + os << " Remark: " << m_remark.c_str()<< "\n"; + os << " Geometry: " << Scanner::convertGeometryIDToName (m_geometry)<< "\n"; + os << " Focal Length: " << m_focalLength<< "\n"; + os << " Field Of View: " << m_fieldOfView<< "\n"; + os << " phmLen: " << m_phmLen<< "\n"; + os << " detStart: " << m_detStart<< "\n"; + os << " detInc: " << m_detInc<< "\n"; + os << " rotStart: " << m_rotStart<< "\n"; + os << " rotInc: " << m_rotInc<< "\n"; } @@ -503,8 +537,7 @@ Projections::reconstruct (ImageFile& im, const char* const filterName, double fi #endif double filterBW = 1. / detInc; - ProcessSignal processSignal (filterName, filterMethodName, filterBW, m_detInc, m_nDet, filt_param, "spatial", filterGenerationName, zeropad, interpFactor); - processSignal.setTraceLevel(trace); + ProcessSignal processSignal (filterName, filterMethodName, filterBW, m_detInc, m_nDet, filt_param, "spatial", filterGenerationName, zeropad, interpFactor, trace, m_geometry, m_focalLength); if (processSignal.fail()) { sys_error (ERR_SEVERE, "%s [Projections::reconstruct]", processSignal.failMessage().c_str()); @@ -518,7 +551,7 @@ Projections::reconstruct (ImageFile& im, const char* const filterName, double fi 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 = processSignal.getFilterIncrement(); @@ -537,7 +570,7 @@ Projections::reconstruct (ImageFile& im, const char* const filterName, double fi 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 @@ -549,22 +582,20 @@ Projections::reconstruct (ImageFile& im, const char* const filterName, double fi } for (int iview = 0; iview < m_nView; iview++) { - if (trace >= TRACE_TEXT) - printf ("Reconstructing view %d (last = %d)\n", iview, m_nView - 1); + if (trace >= Trace::TRACE_CONSOLE) + cout <<"Reconstructing view " << iview << "(last = " << m_nView - 1 << ")\n"; const DetectorArray& darray = getDetectorArray (iview); const DetectorValue* detval = darray.detValues(); processSignal.filterSignal (detval, filteredProj); - - #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) { + if (trace >= Trace::TRACE_PLOT && interp_type == I_BSPLINE) { bspline (m_nDet, zoom_factor, spline_order, filteredProj, filteredProj); ezplot_1d (filteredProj, n_filteredProj); } @@ -574,7 +605,7 @@ Projections::reconstruct (ImageFile& im, const char* const filterName, double fi 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);