r591: Added Center-Detector length to scanning and reconstruction

[ctsim.git] / libctsim / projections.cpp

diff --git a/libctsim/projections.cpp b/libctsim/projections.cpp
index e9e053d96cd0d19b357fa2efe2b5125ff465a07c..fe431c07dfa501358d8aa3a9274c2d84f41148a9 100644 (file)
--- a/libctsim/projections.cpp
+++ b/libctsim/projections.cpp
@@ -8,7 +8,7 @@
 **  This is part of the CTSim program
 **  Copyright (c) 1983-2001 Kevin Rosenberg
 **
-**  $Id: projections.cpp,v 1.49 2001/02/22 18:22:40 kevin Exp $
+**  $Id: projections.cpp,v 1.50 2001/03/01 07:30:49 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
@@ -152,6 +152,7 @@ Projections::initFromScanner (const Scanner& scanner)
   m_detInc = scanner.detInc();
   m_geometry = scanner.geometry();
   m_dFocalLength = scanner.focalLength();
+  m_dSourceDetectorLength = scanner.sourceDetectorLength();
   m_dViewDiameter = scanner.viewDiameter();
   m_rotStart = 0;
   m_detStart =  -(scanner.detLen() / 2);
@@ -232,6 +233,7 @@ Projections::headerWrite (fnetorderstream& fs)
   kfloat64 _detInc = m_detInc;
   kfloat64 _viewDiameter = m_dViewDiameter;
   kfloat64 _focalLength = m_dFocalLength;
+  kfloat64 _sourceDetectorLength = m_dSourceDetectorLength;
   kfloat64 _fanBeamAngle = m_dFanBeamAngle;
 
   fs.seekp(0);
@@ -250,6 +252,7 @@ Projections::headerWrite (fnetorderstream& fs)
   fs.writeFloat64 (_detInc);
   fs.writeFloat64 (_viewDiameter);
   fs.writeFloat64 (_focalLength);
+  fs.writeFloat64 (_sourceDetectorLength);
   fs.writeFloat64 (_fanBeamAngle);
   fs.writeInt16 (_year);
   fs.writeInt16 (_month);
@@ -279,7 +282,7 @@ 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, _focalLength, _viewDiameter, _fanBeamAngle;
+  kfloat64 _calcTime, _rotStart, _rotInc, _detStart, _detInc, _focalLength, _sourceDetectorLength, _viewDiameter, _fanBeamAngle;
   
   fs.seekg(0);
   if (! fs)
@@ -297,6 +300,7 @@ Projections::headerRead (fnetorderstream& fs)
   fs.readFloat64 (_detInc);
   fs.readFloat64 (_viewDiameter);
   fs.readFloat64 (_focalLength);
+  fs.readFloat64 (_sourceDetectorLength);
   fs.readFloat64 (_fanBeamAngle);
   fs.readInt16 (_year);
   fs.readInt16 (_month);
@@ -342,6 +346,7 @@ Projections::headerRead (fnetorderstream& fs)
   m_detStart = _detStart;
   m_detInc = _detInc;
   m_dFocalLength = _focalLength;
+  m_dSourceDetectorLength = _sourceDetectorLength;
   m_dViewDiameter = _viewDiameter;
   m_dFanBeamAngle = _fanBeamAngle;
   m_year = _year;
@@ -630,11 +635,11 @@ Projections::printProjectionData (int startView, int endView)
   printf("Projections Data\n\n");
   printf("Description: %s\n", m_remark.c_str());
   printf("Geometry: %s\n", Scanner::convertGeometryIDToName (m_geometry));
-  printf("nView       = %8d           nDet = %8d\n", m_nView, m_nDet);
-  printf("focalLength = %8.4f ViewDiameter = %8.4f\n", m_dFocalLength, m_dViewDiameter);
-  printf("fanBeamAngle= %8.4f\n", convertRadiansToDegrees(m_dFanBeamAngle));
-  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("focalLength = %8.4f   ViewDiameter = %8.4f\n", m_dFocalLength, m_dViewDiameter);
+  printf("fanBeamAngle= %8.4f SourceDetector = %8.4f\n", convertRadiansToDegrees(m_dFanBeamAngle), m_dSourceDetectorLength);
+  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) {
     if (startView < 0)
       startView = 0;
@@ -662,6 +667,7 @@ Projections::printScanInfo (std::ostringstream& os) const
   os << "Description: " << m_remark.c_str()<< "\n";
   os << "Geometry: " << Scanner::convertGeometryIDToName (m_geometry)<< "\n";
   os << "Focal Length: " << m_dFocalLength<< "\n";
+  os << "Source Detector Length: " << m_dSourceDetectorLength << "\n";
   os << "View Diameter: " << m_dViewDiameter<< "\n";
   os << "Fan Beam Angle: " << convertRadiansToDegrees(m_dFanBeamAngle) << "\n";
   os << "detStart: " << m_detStart<< "\n";