X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=include%2Fbackprojectors.h;h=ef70d0581657f58ea6e10d6389027a178071282c;hp=1781fe18b5f2c60a519edd6153eaade5c7c3f755;hb=bfcc769cf8019eabc8c65c07257c8dbee4b4c977;hpb=1e88cf0f7fa4f690ea9f110e8ed3f2b5338d0a10

diff --git a/include/backprojectors.h b/include/backprojectors.h
index 1781fe1..ef70d05 100644
--- a/include/backprojectors.h
+++ b/include/backprojectors.h
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: backprojectors.h,v 1.13 2000/08/25 15:59:13 kevin Exp $
+**  $Id: backprojectors.h,v 1.15 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
@@ -132,6 +132,7 @@ class Backproject
     double xMin, xMax, yMin, yMax;     // Retangular coords of phantom
     double xInc, yInc;	// size of cells
     int m_interpFactor;
+    double m_dFocalLength;
 
  private:
     Backproject (const Backproject& rhs);
@@ -154,11 +155,11 @@ class BackprojectTable : public Backproject
 {
  public:
   BackprojectTable (const Projections& proj, ImageFile& im, int interpID, const int interpFactor);
-  ~BackprojectTable ();
+  virtual ~BackprojectTable ();
 
   void BackprojectView (const double* const t, double view_angle);
 
- private:
+ protected:
   Array2d<kfloat64> arrayR;
   Array2d<kfloat64> arrayPhi;
   kfloat64** r;
@@ -211,5 +212,31 @@ class BackprojectIntDiff3 : public BackprojectDiff
   void BackprojectView (const double* const t, double view_angle);
 };
 
+class BackprojectEquilinear : public BackprojectTable
+{
+ public:
+  BackprojectEquilinear (const Projections& proj, ImageFile& im, int interpID, const int interpFactor)
+      : BackprojectTable::BackprojectTable (proj, im, interpID, interpFactor)
+      {}
+
+  void BackprojectView (const double* const t, double view_angle);
+
+  virtual ~BackprojectEquilinear()
+      {}
+};
+
+class BackprojectEquiangular : public BackprojectTable
+{
+ public:
+  BackprojectEquiangular (const Projections& proj, ImageFile& im, int interpID, const int interpFactor)
+      : BackprojectTable::BackprojectTable (proj, im, interpID, interpFactor)
+      {}
+
+  void BackprojectView (const double* const t, double view_angle);
+
+  virtual ~BackprojectEquiangular()
+      {}
+};
+
 
 #endif