X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;ds=sidebyside;f=libctsim%2Fprojections.cpp;h=fb24e0d897bf065d9d348a5b09f827eacf1b8b8d;hb=bfcc769cf8019eabc8c65c07257c8dbee4b4c977;hp=54f8f7d66cce47b12657f9509ac39ad667718ab9;hpb=44ba9ce559d2d52cbd7bbea6bcd76242840fd3eb;p=ctsim.git diff --git a/libctsim/projections.cpp b/libctsim/projections.cpp index 54f8f7d..fb24e0d 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 1.3 2000/06/20 17:54:51 kevin Exp $ +** $Id: projections.cpp,v 1.25 2000/09/02 05:10:39 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 @@ -66,6 +66,7 @@ Projections::~Projections (void) void Projections::init (const int nView, const int nDet) { + m_label.setLabelType (Array2dFileLabel::L_HISTORY); m_nView = nView; m_nDet = nDet; newProjData (); @@ -74,15 +75,24 @@ Projections::init (const int nView, const int nDet) void Projections::initFromScanner (const Scanner& scanner) { + m_label.setLabelType (Array2dFileLabel::L_HISTORY); deleteProjData(); init (scanner.nView(), scanner.nDet()); 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 @@ -132,30 +142,41 @@ Projections::deleteProjData (void) /* NAME - * projections_write_header Write data header for projections file + * Projections::headerWwrite Write data header for projections file * */ bool Projections::headerWrite (fnetorderstream& fs) { - kuint32 _hsize = m_headerSize; + kuint16 _hsize = m_headerSize; + kuint16 _signature = m_signature; kuint32 _nView = m_nView; kuint32 _nDet = m_nDet; kuint32 _geom = m_geometry; - kuint32 _remarksize = m_remark.length(); + kuint16 _remarksize = m_remark.length(); + kuint16 _year = m_year; + kuint16 _month = m_month; + kuint16 _day = m_day; + kuint16 _hour = m_hour; + kuint16 _minute = m_minute; + kuint16 _second = m_second; + kfloat64 _calcTime = m_calcTime; kfloat64 _rotStart = m_rotStart; kfloat64 _rotInc = m_rotInc; 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.writeInt32 (_hsize); + fs.writeInt16 (_hsize); + fs.writeInt16 (_signature); fs.writeInt32 (_nView); fs.writeInt32 (_nDet); fs.writeInt32 (_geom); @@ -165,13 +186,21 @@ Projections::headerWrite (fnetorderstream& fs) fs.writeFloat64 (_detStart); fs.writeFloat64 (_detInc); fs.writeFloat64 (_phmLen); - fs.writeInt32 (_remarksize); + fs.writeFloat64 (_focalLength); + fs.writeFloat64 (_fieldOfView); + fs.writeInt16 (_year); + fs.writeInt16 (_month); + fs.writeInt16 (_day); + fs.writeInt16 (_hour); + fs.writeInt16 (_minute); + fs.writeInt16 (_second); + fs.writeInt16 (_remarksize); fs.write (m_remark.c_str(), _remarksize); m_headerSize = fs.tellp(); _hsize = m_headerSize; fs.seekp(0); - fs.writeInt32 (_hsize); + fs.writeInt16 (_hsize); if (! fs) return false; @@ -185,24 +214,16 @@ Projections::headerWrite (fnetorderstream& fs) bool Projections::headerRead (fnetorderstream& fs) { - kuint32 _hsize; - kuint32 _nView; - kuint32 _nDet; - kuint32 _geom; - kuint32 _remarksize = 0; - kfloat64 _calcTime; - kfloat64 _rotStart; - kfloat64 _rotInc; - kfloat64 _detStart; - kfloat64 _detInc; - kfloat64 _phmLen; + kuint16 _hsize, _signature, _year, _month, _day, _hour, _minute, _second, _remarksize = 0; + kuint32 _nView, _nDet, _geom; + kfloat64 _calcTime, _rotStart, _rotInc, _detStart, _detInc, _phmLen, _focalLength, _fieldOfView; fs.seekg(0); if (! fs) return false; - off_t testPos; - fs.readInt32 (_hsize); + fs.readInt16 (_hsize); + fs.readInt16 (_signature); fs.readInt32 (_nView); fs.readInt32 (_nDet); fs.readInt32 (_geom); @@ -212,17 +233,26 @@ Projections::headerRead (fnetorderstream& fs) fs.readFloat64 (_detStart); fs.readFloat64 (_detInc); fs.readFloat64 (_phmLen); - fs.readInt32 (_remarksize); - if (_remarksize > 100000) { - sys_error (ERR_SEVERE, "Insane _remarksize %d [projections::headerRead]", _remarksize); - return false; - } + fs.readFloat64 (_focalLength); + fs.readFloat64 (_fieldOfView); + fs.readInt16 (_year); + fs.readInt16 (_month); + fs.readInt16 (_day); + fs.readInt16 (_hour); + fs.readInt16 (_minute); + fs.readInt16 (_second); + fs.readInt16 (_remarksize); if (! fs) { sys_error (ERR_SEVERE, "Error reading header information , _remarksize=%d [projections_read_header]", _remarksize); return false; } + if (_signature != m_signature) { + sys_error (ERR_SEVERE, "File %s does not have a valid projection file signature", m_filename.c_str()); + return false; + } + char remarkStorage[_remarksize+1]; fs.read (remarkStorage, _remarksize); if (! fs) { @@ -248,14 +278,35 @@ 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; + m_hour = _hour; + m_minute = _minute; + m_second = _second; + + m_label.setLabelType (Array2dFileLabel::L_HISTORY); + m_label.setLabelString (m_remark); + m_label.setCalcTime (m_calcTime); + m_label.setDateTime (m_year, m_month, m_day, m_hour, m_minute, m_second); return true; } +bool +Projections::read (const string& filename) +{ + return read (filename.c_str()); +} + + bool Projections::read (const char* filename) { frnetorderstream fileRead (filename, ios::in | ios::binary); + m_filename = filename; if (! fileRead) return false; @@ -276,15 +327,31 @@ Projections::read (const char* filename) } +bool +Projections::write (const string& filename) +{ + return write (filename.c_str()); +} + bool Projections::write (const char* filename) { frnetorderstream fs (filename, ios::out | ios::binary | ios::trunc | ios::ate); - + m_filename = filename; if (! fs) { sys_error (ERR_SEVERE, "Error opening file %s for output [projections_create]", filename); return false; } + + time_t t = time(NULL); + tm* lt = localtime(&t); + m_year = lt->tm_year; + m_month = lt->tm_mon; + m_day = lt->tm_mday; + m_hour = lt->tm_hour; + m_minute = lt->tm_min; + m_second = lt->tm_sec; + if (! headerWrite (fs)) return false; @@ -329,7 +396,7 @@ Projections::detarrayRead (fnetorderstream& fs, DetectorArray& darray, const int darray.setViewAngle (view_angle); // darray.setNDet ( nDet); - for (int i = 0; i < nDet; i++) { + for (unsigned int i = 0; i < nDet; i++) { kfloat32 detval; fs.readFloat32 (detval); detval_ptr[i] = detval; @@ -375,7 +442,7 @@ Projections::detarrayWrite (fnetorderstream& fs, const DetectorArray& darray, co fs.writeFloat64 (view_angle); fs.writeInt32 (nDet); - for (int i = 0; i < nDet; i++) { + for (unsigned int i = 0; i < nDet; i++) { kfloat32 detval = detval_ptr[i]; fs.writeFloat32 (detval); } @@ -387,24 +454,25 @@ Projections::detarrayWrite (fnetorderstream& fs, const DetectorArray& darray, co } /* NAME - * prt_projections Print projections data + * printProjectionData Print projections data * * SYNOPSIS - * prt_projections (proj) - * Projections& proj Projection data to be printed + * printProjectionData () */ 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]); @@ -414,16 +482,20 @@ 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"; } +