r591: Added Center-Detector length to scanning and reconstruction

[ctsim.git] / include / scanner.h

diff --git a/include/scanner.h b/include/scanner.h
index 8b367eedff642b10f2e2efcccac1136da5e731b5..7f8780a66316b130ece9560be6423c7d1e6bfb5c 100644 (file)
--- a/include/scanner.h
+++ b/include/scanner.h
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: scanner.h,v 1.19 2001/02/25 16:21:36 kevin Exp $
+**  $Id: scanner.h,v 1.20 2001/03/01 07:30:49 kevin Exp $
 **
 **
 **  This program is free software; you can redistribute it and/or modify
@@ -76,7 +76,7 @@ class Scanner
   
   Scanner (const Phantom& phm, const char* const geometryName, int nDet, 
     int nView, int nSample, const double rot_anglen, 
-    double dFocalLengthRatio, double dViewRatio, double dScanRatio);
+    double dFocalLengthRatio, double dCenterDetectorRatio, double dViewRatio, double dScanRatio);
   ~Scanner();
   
   void collectProjections (Projections& proj, const Phantom& phm, const int trace = Trace::TRACE_NONE,
@@ -99,6 +99,9 @@ class Scanner
   double detInc() const {return m_detInc;}
   double detLen() const {return m_detLen;}
   double focalLength() const {return m_dFocalLength;}
+  double sourceDetectorLength() const {return m_dSourceDetectorLength;}
+  double centerDetectorLength() const {return m_dCenterDetectorLength;}
+
   double viewDiameter() const {return m_dViewDiameter;}
   double scanDiameter() const {return m_dScanDiameter;}
   double fanBeamAngle() const {return m_dFanBeamAngle;}
@@ -119,11 +122,14 @@ class Scanner
   unsigned int m_nDet;         /* Number of detectors in array */
   unsigned int m_nView;                /* Number of rotated views */
   unsigned int m_nSample;      /* Number of rays per detector */
-  double m_dFocalLength;        // Focal Length
+  double m_dFocalLength;        // Focal Length, distance from source to center
+  double m_dSourceDetectorLength; // Distance from source to detectors
+  double m_dCenterDetectorLength; // Distance from center to detectors
   double m_dViewDiameter; // Diameter of area being processed
   double m_dScanDiameter; // Diamer of area being scanned
   double m_dViewRatio;   // View Ratio to diameter phantom
-  double m_dFocalLengthRatio;   // Focal Length ratio to radius phantom
+  double m_dFocalLengthRatio;   // Source to Center Length as ratio to viewDiameter radius 
+  double m_dCenterDetectorRatio; // Center to Detector Length as ratio of viewDiameter radius
   double m_dScanRatio;       // Scan length to view length ratio
   double m_dFanBeamAngle;
   double m_detLen;             // Total length of detector array