r164: *** empty log message ***

[ctsim.git] / libctsim / projections.cpp

diff --git a/libctsim/projections.cpp b/libctsim/projections.cpp
index 8f1edf7b4e7f8ed32757b0c522cae49264784751..7d3e814967394d885dd3b494ea0c626f351157df 100644 (file)
--- 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 1.13 2000/07/11 10:32:44 kevin Exp $
+**  $Id: projections.cpp,v 1.18 2000/07/29 19:50:08 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
@@ -208,7 +208,6 @@ Projections::headerRead (fnetorderstream& fs)
   if (! fs)
       return false;
 
-  off_t testPos;
   fs.readInt16 (_hsize);
   fs.readInt16 (_signature);
   fs.readInt32 (_nView);
@@ -366,7 +365,7 @@ 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;
@@ -412,7 +411,7 @@ 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);
   }
@@ -487,9 +486,8 @@ Projections::printScanInfo (void) const
  */
 
 bool
-Projections::reconstruct (ImageFile& im, const char* const filterName, double filt_param, const char* const filterMethodName, const int zeropad, const char* const interpName, int interpFactor, const char* const backprojectName, const int trace)
+Projections::reconstruct (ImageFile& im, const char* const filterName, double filt_param, const char* const filterMethodName, const int zeropad, const char* const interpName, int interpFactor, const char* const backprojectName, const int trace) const
 {
-  int nview = m_nView;
   double detInc = m_detInc;
   int n_filteredProj = m_nDet * interpFactor;
   double filteredProj [n_filteredProj];   // filtered projections
@@ -517,7 +515,6 @@ Projections::reconstruct (ImageFile& im, const char* const filterName, double fi
     cout << "Reconstruct: filter="<<filterName<< ", interp="<<interpName<<", backproject="<<backprojectName<<endl;
 
 #if HAVE_SGP
-  SGP_ID gid;
   int nVecFilter = filter.getNFilterPoints();
   double plot_xaxis [nVecFilter];                      // array for plotting 
 
@@ -525,14 +522,19 @@ Projections::reconstruct (ImageFile& im, const char* const filterName, double fi
     int i;
     double f;
     double filterInc = filter.getFilterIncrement();
-    for (i = 0, f = filter.getFilterMin(); i < nVecFilter; i++, f += filterInc) 
+    for (i = 0, f = filter.getFilterMin(); i < nVecFilter; i++, f += filterInc)
       plot_xaxis[i] = f;
 
     if (filter.getFilter()) {
-      gid = ezplot (plot_xaxis, filter.getFilter(), nVecFilter);
+      SGPDriver sgpDriver ("Filter Function");
+      SGP sgp (sgpDriver);
+      EZPlot ezplot (sgp);
+
+      ezplot.ezset ("title Filter Response");
+      ezplot.addCurve (plot_xaxis, filter.getFilter(), nVecFilter);
+      ezplot.plot();
       cio_put_str ("Press any key to continue");
       cio_kb_getc ();
-      sgp2_close (gid);
     }
   }
   if (trace >= TRACE_TEXT) {
@@ -550,35 +552,12 @@ Projections::reconstruct (ImageFile& im, const char* const filterName, double fi
     if (trace >= TRACE_TEXT) 
       printf ("Reconstructing view %d (last = %d)\n",  iview, m_nView - 1);
       
-    DetectorArray& darray = getDetectorArray (iview);
-    DetectorValue* detval = darray.detValues();
+    const DetectorArray& darray = getDetectorArray (iview);
+    const DetectorValue* detval = darray.detValues();
 
     filter.filterSignal (detval, filteredProj);
 
-#ifdef HAVE_SGP
-    if (trace >= TRACE_PLOT)  {
-      ezset  ("clear.");
-      ezset  ("xticks major 5.");
-      ezset  ("xlabel ");
-      ezset  ("ylabel ");
-      ezset  ("xlength .5.");
-      ezset  ("box.");
-      ezset  ("grid.");
-      ezset  ("ufinish yes.");
-      ezplot (detval, plot_xaxis, m_nDet);
-      ezset  ("clear.");
-      ezset  ("xticks major 5.");
-      ezset  ("xlabel ");
-      ezset  ("ylabel ");
-      ezset  ("ustart yes.");
-      ezset  ("xporigin .5.");
-      ezset  ("xlength .5.");
-      ezset ("box");
-
-      ezset ("grid");
-      gid = ezplot (filteredProj, plot_xaxis, n_filteredProj);
-    }
-#endif  //HAVE_SGP
+
 
 #ifdef HAVE_BSPLINE_INTERP
     if (interp_type == I_BSPLINE) 
@@ -596,10 +575,34 @@ Projections::reconstruct (ImageFile& im, const char* const filterName, double fi
 
 #ifdef HAVE_SGP
     if (trace >= TRACE_PLOT) {
+      SGPDriver sgpDriverProj ("Projection");
+      SGP sgpProj (sgpDriverProj);
+      EZPlot ezplotProj (sgpProj);
+
+      ezplotProj.ezset  ("clear");
+      ezplotProj.ezset ("title Filtered Projection");
+      ezplotProj.ezset  ("xticks major 5.");
+      ezplotProj.ezset  ("xlabel ");
+      ezplotProj.ezset  ("ylabel ");
+      ezplotProj.ezset  ("yporigin .5.");
+      ezplotProj.ezset  ("ylength .5.");
+      ezplotProj.ezset  ("box.");
+      ezplotProj.ezset  ("grid.");
+      ezplotProj.addCurve (plot_xaxis, detval, m_nDet);
+      ezplotProj.plot();
+      ezplotProj.ezset  ("clear");
+      ezplotProj.ezset  ("xticks major 5.");
+      ezplotProj.ezset  ("xlabel ");
+      ezplotProj.ezset  ("ylabel ");
+      ezplotProj.ezset  ("ylength .5.");
+      ezplotProj.ezset ("box");
+      ezplotProj.ezset ("grid");
+      ezplotProj.addCurve (plot_xaxis, filteredProj,  n_filteredProj);
+      ezplotProj.plot();
+
+      cout << "Do you want to exit with current pic (y/n)? " << flush;
       char str[256];
-      printf ("Do you want to exit with current pic (y/n) -- ");
       fgets(str, sizeof(str), stdin);
-      sgp2_close (sgp2_get_active_win());
       if (tolower(str[0]) == 'y') {
        break;
       }