X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=src%2Fviews.cpp;h=8c53e4ced61bf734570a557db7ee14d1fd75f7ff;hp=740c81c03615fca0236f43947be4c453041d817c;hb=5c6b29ab4885308cc3381af6e0a68f4804956d2e;hpb=c551b53b39a7571cf52831f5e117be1cca95c420

diff --git a/src/views.cpp b/src/views.cpp
index 740c81c..8c53e4c 100644
--- a/src/views.cpp
+++ b/src/views.cpp
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: views.cpp,v 1.36 2000/12/22 04:18:00 kevin Exp $
+**  $Id: views.cpp,v 1.40 2000/12/29 15:45:06 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
@@ -91,9 +91,10 @@ ImageFileCanvas::DrawRubberBandCursor (wxDC& dc, int x, int y)
   int nx = rIF.nx();
   int ny = rIF.ny();
   
+  int yPt = ny - y - 1;
   dc.SetLogicalFunction (wxINVERT);
   dc.SetPen (*wxGREEN_PEN);
-  dc.DrawLine (0, y, nx, y);
+  dc.DrawLine (0, yPt, nx, yPt);
   dc.DrawLine (x, 0, x, ny);
   dc.SetLogicalFunction (wxCOPY);
 }
@@ -121,38 +122,33 @@ ImageFileCanvas::OnMouseEvent(wxMouseEvent& event)
   
   wxPoint pt(event.GetLogicalPosition(dc));
   
+  const ImageFile& rIF = m_pView->GetDocument()->getImageFile();
+  ImageFileArrayConst v = rIF.getArray();
+  int nx = rIF.nx();
+  int ny = rIF.ny();
+  const int yPt = ny - 1 - pt.y;
   if (event.RightIsDown()) {
-    const ImageFile& rIF = m_pView->GetDocument()->getImageFile();
-    ImageFileArrayConst v = rIF.getArray();
-    int nx = rIF.nx();
-    int ny = rIF.ny();
-    
     if (pt.x >= 0 && pt.x < nx && pt.y >= 0 && pt.y < ny) {
       std::ostringstream os;
-      os << "Image value (" << pt.x << "," << pt.y << ") = " << v[pt.x][ny - 1 - pt.y] << "\n";
+      os << "Image value (" << pt.x << "," << yPt << ") = " << v[pt.x][yPt] << "\n";
       *theApp->getLog() << os.str().c_str();
     } else
-      *theApp->getLog() << "Mouse out of image range (" << pt.x << "," << pt.y << ")\n";
+      *theApp->getLog() << "Mouse out of image range (" << pt.x << "," << yPt << ")\n";
   }
-  else if (event.LeftIsDown() || event.LeftUp()) {
-    const ImageFile& rIF = m_pView->GetDocument()->getImageFile();
-    ImageFileArrayConst v = rIF.getArray();
-    int nx = rIF.nx();
-    int ny = rIF.ny();
-    
+  else if (event.LeftIsDown() || event.LeftUp() || event.RightUp()) {
     if (pt.x >= 0 && pt.x < nx && pt.y >= 0 && pt.y < ny) {
       if (m_xCursor >= 0 && m_yCursor >= 0) {
         DrawRubberBandCursor (dc, m_xCursor, m_yCursor);
       }
-      DrawRubberBandCursor (dc, pt.x, pt.y);
+      DrawRubberBandCursor (dc, pt.x, yPt);
       m_xCursor = pt.x;
-      m_yCursor = pt.y;
+      m_yCursor = yPt;
     } else
-      *theApp->getLog() << "Mouse out of image range (" << pt.x << "," << pt.y << ")\n";
+      *theApp->getLog() << "Mouse out of image range (" << pt.x << "," << yPt << ")\n";
   }
   if (event.LeftUp()) {
     std::ostringstream os;
-    os << "Selected column" << pt.x << " and row" << pt.y << "\n";
+    os << "Selected column " << pt.x << " , row " << yPt << "\n";
     *theApp->getLog() << os.str().c_str();
   }
 }
@@ -168,6 +164,13 @@ EVT_MENU(IFMENU_VIEW_SCALE_AUTO, ImageFileView::OnScaleAuto)
 EVT_MENU(IFMENU_COMPARE_IMAGES, ImageFileView::OnCompare)
 EVT_MENU(IFMENU_COMPARE_ROW, ImageFileView::OnCompareRow)
 EVT_MENU(IFMENU_COMPARE_COL, ImageFileView::OnCompareCol)
+EVT_MENU(IFMENU_PROCESS_INVERTVALUES, ImageFileView::OnInvertValues)
+EVT_MENU(IFMENU_PROCESS_SQUARE, ImageFileView::OnSquare)
+EVT_MENU(IFMENU_PROCESS_SQRT, ImageFileView::OnSquareRoot)
+EVT_MENU(IFMENU_PROCESS_LOG, ImageFileView::OnLog)
+EVT_MENU(IFMENU_PROCESS_EXP, ImageFileView::OnExp)
+EVT_MENU(IFMENU_PROCESS_FFT_MAGNITUDE, ImageFileView::OnFFTMagnitude)
+EVT_MENU(IFMENU_PROCESS_FFT_PHASE, ImageFileView::OnFFTPhase)
 EVT_MENU(IFMENU_PLOT_ROW, ImageFileView::OnPlotRow)
 EVT_MENU(IFMENU_PLOT_COL, ImageFileView::OnPlotCol)
 END_EVENT_TABLE()
@@ -249,15 +252,15 @@ ImageFileView::OnCompare (wxCommandEvent& event)
 {
   std::vector<ImageFileDocument*> vecIF;
   theApp->getCompatibleImages (GetDocument(), vecIF);
-
+  
   if (vecIF.size() == 0) {
     wxMessageBox("There are no compatible image files open for comparision", "No comparison images");
   } else {
     DialogGetComparisonImage dialogGetCompare(m_frame, "Get Comparison Image", vecIF, true);
-
+    
     if (dialogGetCompare.ShowModal() == wxID_OK) {
-      ImageFileDocument* pCompareDoc = dialogGetCompare.getImageFileDocument();
       const ImageFile& rIF = GetDocument()->getImageFile();
+      ImageFileDocument* pCompareDoc = dialogGetCompare.getImageFileDocument();
       const ImageFile& rCompareIF = pCompareDoc->getImageFile();
       std::ostringstream os;
       double min, max, mean, mode, median, stddev;
@@ -277,14 +280,15 @@ ImageFileView::OnCompare (wxCommandEvent& event)
           return;
         }
         ImageFile& differenceImage = pDifferenceDoc->getImageFile();
-      
+        
         differenceImage.setArraySize (rIF.nx(), rIF.ny());
         if (! rIF.subtractImages (rCompareIF, differenceImage)) {
           pDifferenceDoc->DeleteAllViews();
           return;
         }
-
-        pDifferenceDoc->Modify(true);
+        
+        if (theApp->getSetModifyNewDocs())
+          pDifferenceDoc->Modify(true);
         pDifferenceDoc->UpdateAllViews(this);
         pDifferenceDoc->GetFirstView()->OnUpdate (this, NULL);
       }
@@ -293,6 +297,77 @@ ImageFileView::OnCompare (wxCommandEvent& event)
   }
 }
 
+void
+ImageFileView::OnInvertValues (wxCommandEvent& event)
+{
+  ImageFile& rIF = GetDocument()->getImageFile();
+  rIF.invertPixelValues (rIF);
+  if (theApp->getSetModifyNewDocs())
+    GetDocument()->Modify(TRUE);
+  GetDocument()->UpdateAllViews(this);
+}
+
+void
+ImageFileView::OnSquare (wxCommandEvent& event)
+{
+  ImageFile& rIF = GetDocument()->getImageFile();
+  rIF.square (rIF);
+  if (theApp->getSetModifyNewDocs())
+    GetDocument()->Modify(TRUE);
+  GetDocument()->UpdateAllViews(this);
+}
+
+void
+ImageFileView::OnSquareRoot (wxCommandEvent& event)
+{
+  ImageFile& rIF = GetDocument()->getImageFile();
+  rIF.sqrt (rIF);
+  if (theApp->getSetModifyNewDocs())
+    GetDocument()->Modify(TRUE);
+  GetDocument()->UpdateAllViews(this);
+}
+
+void
+ImageFileView::OnLog (wxCommandEvent& event)
+{
+  ImageFile& rIF = GetDocument()->getImageFile();
+  rIF.log (rIF);
+  if (theApp->getSetModifyNewDocs())
+    GetDocument()->Modify(TRUE);
+  GetDocument()->UpdateAllViews(this);
+}
+
+void
+ImageFileView::OnExp (wxCommandEvent& event)
+{
+  ImageFile& rIF = GetDocument()->getImageFile();
+  rIF.exp (rIF);
+  if (theApp->getSetModifyNewDocs())
+    GetDocument()->Modify(TRUE);
+  GetDocument()->UpdateAllViews(this);
+}
+
+void
+ImageFileView::OnFFTMagnitude (wxCommandEvent& event)
+{
+  ImageFile& rIF = GetDocument()->getImageFile();
+  rIF.FFTMagnitude (rIF);
+  if (theApp->getSetModifyNewDocs())
+    GetDocument()->Modify(TRUE);
+  GetDocument()->UpdateAllViews(this);
+}
+
+void
+ImageFileView::OnFFTPhase (wxCommandEvent& event)
+{
+  ImageFile& rIF = GetDocument()->getImageFile();
+  rIF.FFTPhase (rIF);
+  if (theApp->getSetModifyNewDocs())
+    GetDocument()->Modify(TRUE);
+  GetDocument()->UpdateAllViews(this);
+}
+
+
 ImageFileCanvas* 
 ImageFileView::CreateCanvas (wxView *view, wxFrame *parent)
 {
@@ -334,6 +409,15 @@ ImageFileView::CreateChildFrame(wxDocument *doc, wxView *view)
   view_menu->Append(IFMENU_VIEW_SCALE_MINMAX, "Display Scale &Set...");
   view_menu->Append(IFMENU_VIEW_SCALE_AUTO, "Display Scale &Auto...");
   
+  wxMenu* process_menu = new wxMenu;
+  process_menu->Append (IFMENU_PROCESS_INVERTVALUES, "&Invert Values");
+  process_menu->Append (IFMENU_PROCESS_SQUARE, "&Square");
+  process_menu->Append (IFMENU_PROCESS_SQRT, "Square &Root");
+  process_menu->Append (IFMENU_PROCESS_LOG, "&Log");
+  process_menu->Append (IFMENU_PROCESS_EXP, "&Exp");
+  process_menu->Append (IFMENU_PROCESS_FFT_MAGNITUDE, "&FFT Magnitude");
+  process_menu->Append (IFMENU_PROCESS_FFT_PHASE, "FFT &Phase");
+
   wxMenu *plot_menu = new wxMenu;
   plot_menu->Append (IFMENU_PLOT_ROW, "Plot &Row");
   plot_menu->Append (IFMENU_PLOT_COL, "Plot &Column");
@@ -342,7 +426,7 @@ ImageFileView::CreateChildFrame(wxDocument *doc, wxView *view)
   compare_menu->Append (IFMENU_COMPARE_IMAGES, "Compare &Images...");
   compare_menu->Append (IFMENU_COMPARE_ROW, "Compare &Row");
   compare_menu->Append (IFMENU_COMPARE_COL, "Compare &Column");
-
+  
   wxMenu *help_menu = new wxMenu;
   help_menu->Append(MAINMENU_HELP_ABOUT, "&About");
   
@@ -350,7 +434,8 @@ ImageFileView::CreateChildFrame(wxDocument *doc, wxView *view)
   
   menu_bar->Append(file_menu, "&File");
   menu_bar->Append(view_menu, "&View");
-  menu_bar->Append(plot_menu, "&Plot");
+  menu_bar->Append(process_menu, "&Process");
+  menu_bar->Append(plot_menu, "P&lot");
   menu_bar->Append(compare_menu, "&Compare");
   menu_bar->Append(help_menu, "&Help");
   
@@ -493,20 +578,26 @@ ImageFileView::OnPlotRow (wxCommandEvent& event)
       sys_error (ERR_SEVERE, "Internal error: unable to create Plot file");
     } else {
       PlotFile& rPlotFile = pPlotDoc->getPlotFile();
-      std::ostringstream title;
-      title << "Row " << yCursor;
-      rPlotFile.setTitle(title.str());
-      rPlotFile.setXLabel("Column");
-      rPlotFile.setYLabel("Pixel Value");
+      std::ostringstream os;
+      os << "Row " << yCursor;
+      std::string title("title ");
+      title += os.str();
+      rPlotFile.addEzsetCommand (title.c_str());
+      rPlotFile.addEzsetCommand ("xlabel Column");
+      rPlotFile.addEzsetCommand ("ylabel Pixel Value");
+      rPlotFile.addEzsetCommand ("lxfrac 0");
+      rPlotFile.addEzsetCommand ("box");
+      rPlotFile.addEzsetCommand ("grid");
       rPlotFile.setCurveSize (2, nx);
       rPlotFile.addColumn (0, pX);
       rPlotFile.addColumn (1, pY);
     }
     delete pX;
     delete pY;
-    pPlotDoc->Modify(true);
+    if (theApp->getSetModifyNewDocs())
+      pPlotDoc->Modify(true);
+    pPlotDoc->UpdateAllViews();
   }
-  
 }
 
 void
@@ -535,18 +626,25 @@ ImageFileView::OnPlotCol (wxCommandEvent& event)
       sys_error (ERR_SEVERE, "Internal error: unable to create Plot file");
     } else {
       PlotFile& rPlotFile = pPlotDoc->getPlotFile();
-      std::ostringstream title;
-      title << "Column " << xCursor;
-      rPlotFile.setTitle(title.str());
-      rPlotFile.setXLabel("Row");
-      rPlotFile.setYLabel("Pixel Value");
+      std::ostringstream os;
+      os << "Column " << xCursor;
+      std::string title("title ");
+      title += os.str();
+      rPlotFile.addEzsetCommand (title.c_str());
+      rPlotFile.addEzsetCommand ("xlabel Row");
+      rPlotFile.addEzsetCommand ("ylabel Pixel Value");
+      rPlotFile.addEzsetCommand ("lxfrac 0");
+      rPlotFile.addEzsetCommand ("box");
+      rPlotFile.addEzsetCommand ("grid");
       rPlotFile.setCurveSize (2, nx);
       rPlotFile.addColumn (0, pX);
       rPlotFile.addColumn (1, pY);
     }
     delete pX;
     delete pY;
-    pPlotDoc->Modify(true);
+    if (theApp->getSetModifyNewDocs())
+      pPlotDoc->Modify(true);
+    pPlotDoc->UpdateAllViews();
   }
 }
 
@@ -561,7 +659,10 @@ ImageFileView::OnCompareCol (wxCommandEvent& event)
   
   std::vector<ImageFileDocument*> vecIFDoc;
   theApp->getCompatibleImages (GetDocument(), vecIFDoc);
-  
+  if (vecIFDoc.size() == 0) {
+    wxMessageBox ("No compatible images for Column Comparison", "Error");
+    return;
+  }
   DialogGetComparisonImage dialogGetCompare (m_frame, "Get Comparison Image", vecIFDoc, false);
   
   if (dialogGetCompare.ShowModal() == wxID_OK) {
@@ -588,11 +689,21 @@ ImageFileView::OnCompareCol (wxCommandEvent& event)
         sys_error (ERR_SEVERE, "Internal error: unable to create Plot file");
       } else {
         PlotFile& rPlotFile = pPlotDoc->getPlotFile();
-        std::ostringstream title;
-        title << "Comparison of Column " << xCursor;
-        rPlotFile.setTitle(title.str());
-        rPlotFile.setXLabel("Row");
-        rPlotFile.setYLabel("Pixel Value");
+        std::ostringstream os;
+        os << "Column " << xCursor << " Comparison";
+        std::string title("title ");
+        title += os.str();
+        rPlotFile.addEzsetCommand (title.c_str());
+        rPlotFile.addEzsetCommand ("xlabel Row");
+        rPlotFile.addEzsetCommand ("ylabel Pixel Value");
+        rPlotFile.addEzsetCommand ("lxfrac 0");
+        rPlotFile.addEzsetCommand ("curve 1");
+        rPlotFile.addEzsetCommand ("color 2");
+        rPlotFile.addEzsetCommand ("curve 2");
+        rPlotFile.addEzsetCommand ("color 4");
+        rPlotFile.addEzsetCommand ("dash 5");
+        rPlotFile.addEzsetCommand ("box");
+        rPlotFile.addEzsetCommand ("grid");
         rPlotFile.setCurveSize (3, nx);
         rPlotFile.addColumn (0, pX);
         rPlotFile.addColumn (1, pY1);
@@ -601,7 +712,9 @@ ImageFileView::OnCompareCol (wxCommandEvent& event)
       delete pX;
       delete pY1;
       delete pY2;
-      pPlotDoc->Modify(true);
+      if (theApp->getSetModifyNewDocs())
+        pPlotDoc->Modify(true);
+      pPlotDoc->UpdateAllViews();
     }
   }
 }
@@ -618,6 +731,11 @@ ImageFileView::OnCompareRow (wxCommandEvent& event)
   std::vector<ImageFileDocument*> vecIFDoc;
   theApp->getCompatibleImages (GetDocument(), vecIFDoc);
   
+  if (vecIFDoc.size() == 0) {
+    wxMessageBox ("No compatible images for Row Comparison", "Error");
+    return;
+  }
+  
   DialogGetComparisonImage dialogGetCompare (m_frame, "Get Comparison Image", vecIFDoc, false);
   
   if (dialogGetCompare.ShowModal() == wxID_OK) {
@@ -644,11 +762,21 @@ ImageFileView::OnCompareRow (wxCommandEvent& event)
         sys_error (ERR_SEVERE, "Internal error: unable to create Plot file");
       } else {
         PlotFile& rPlotFile = pPlotDoc->getPlotFile();
-        std::ostringstream title;
-        title << "Comparison of Row " << yCursor;
-        rPlotFile.setTitle(title.str());
-        rPlotFile.setXLabel("Column");
-        rPlotFile.setYLabel("Pixel Value");
+        std::ostringstream os;
+        os << "Row " << yCursor << " Comparison";
+        std::string title("title ");
+        title += os.str();
+        rPlotFile.addEzsetCommand (title.c_str());
+        rPlotFile.addEzsetCommand ("xlabel Column");
+        rPlotFile.addEzsetCommand ("ylabel Pixel Value");
+        rPlotFile.addEzsetCommand ("lxfrac 0");
+        rPlotFile.addEzsetCommand ("curve 1");
+        rPlotFile.addEzsetCommand ("color 2");
+        rPlotFile.addEzsetCommand ("curve 2");
+        rPlotFile.addEzsetCommand ("color 4");
+        rPlotFile.addEzsetCommand ("dash 5");
+        rPlotFile.addEzsetCommand ("box");
+        rPlotFile.addEzsetCommand ("grid");
         rPlotFile.setCurveSize (3, ny);
         rPlotFile.addColumn (0, pX);
         rPlotFile.addColumn (1, pY1);
@@ -657,7 +785,9 @@ ImageFileView::OnCompareRow (wxCommandEvent& event)
       delete pX;
       delete pY1;
       delete pY2;
-      pPlotDoc->Modify(true);
+      if (theApp->getSetModifyNewDocs())
+        pPlotDoc->Modify(true);
+      pPlotDoc->UpdateAllViews();
     }
   }
 }
@@ -800,7 +930,8 @@ PhantomView::OnProjections (wxCommandEvent& event)
         theApp->getDocManager()->ActivateView (pView, true, false);
       }
       ::wxYield();
-      pProjectionDoc->Modify(true);
+      if (theApp->getSetModifyNewDocs())
+        pProjectionDoc->Modify(true);
       pProjectionDoc->UpdateAllViews(this);
     }
   }
@@ -836,7 +967,8 @@ PhantomView::OnRasterize (wxCommandEvent& event)
           return;
         }
       }
-      pRasterDoc->Modify(true);
+      if (theApp->getSetModifyNewDocs())
+        pRasterDoc->Modify(true);
       pRasterDoc->UpdateAllViews(this);
       ImageFileView* rasterView = dynamic_cast<ImageFileView*>(pRasterDoc->GetFirstView());
       if (rasterView) {
@@ -1060,7 +1192,7 @@ ProjectionFileView::OnReconstruct (wxCommandEvent& event)
     m_iDefaultTrace = dialogReconstruction.getTrace();
     if (m_iDefaultNX > 0 && m_iDefaultNY > 0) {
       ImageFileDocument* pReconDoc = dynamic_cast<ImageFileDocument*>(theApp->getDocManager()->CreateDocument("untitled.if", wxDOC_SILENT));
-      if (pReconDoc) {
+      if (! pReconDoc) {
         sys_error (ERR_SEVERE, "Unable to create image file");
         return;
       }
@@ -1122,7 +1254,8 @@ ProjectionFileView::OnReconstruct (wxCommandEvent& event)
         }
       }
       delete pReconstruct;
-      pReconDoc->Modify(true);
+      if (theApp->getSetModifyNewDocs())
+        pReconDoc->Modify(true);
       pReconDoc->UpdateAllViews(this);
       ImageFileView* rasterView = dynamic_cast<ImageFileView*>(pReconDoc->GetFirstView());
       if (rasterView) {
@@ -1329,12 +1462,14 @@ EVT_MENU(PLOTMENU_VIEW_SCALE_AUTO, PlotFileView::OnScaleAuto)
 END_EVENT_TABLE()
 
 PlotFileView::PlotFileView(void) 
-: wxView(), m_canvas(NULL), m_frame(NULL)
+: wxView(), m_canvas(NULL), m_frame(NULL), m_pEZPlot(NULL)
 {
 }
 
 PlotFileView::~PlotFileView(void)
-{
+{
+  if (m_pEZPlot)
+    delete m_pEZPlot;
 }
 
 void
@@ -1460,7 +1595,7 @@ PlotFileView::CreateChildFrame(wxDocument *doc, wxView *view)
 
 
 bool 
-PlotFileView::OnCreate(wxDocument *doc, long WXUNUSED(flags) )
+PlotFileView::OnCreate (wxDocument *doc, long WXUNUSED(flags) )
 {
   m_frame = CreateChildFrame(doc, this);
   SetFrame(m_frame);
@@ -1482,7 +1617,7 @@ PlotFileView::OnCreate(wxDocument *doc, long WXUNUSED(flags) )
   
   m_frame->Show(true);
   Activate(true);
-  
+   
   return true;
 }
 
@@ -1498,62 +1633,58 @@ PlotFileView::OnDraw (wxDC* dc)
     m_canvas->GetClientSize (&xsize, &ysize);
     SGPDriver driver (dc, xsize, ysize);
     SGP sgp (driver);
-    const PlotFile& rPhantom = GetDocument()->getPlotFile();
-    EZPlot plot (sgp);
-    
-    if (! rPlotFile.getTitle().empty()) {
-      std::string s("title ");
-      s += rPlotFile.getTitle();
-      plot.ezset (s);
-    }
-    if (! rPlotFile.getXLabel().empty()) {
-      std::string s("xlabel ");
-      s += rPlotFile.getXLabel();
-      plot.ezset (s);
-    }
-    if (! rPlotFile.getYLabel().empty()) {
-      std::string s("ylabel ");
-      s += rPlotFile.getYLabel();
-      plot.ezset (s);
-    }
-    
-    if (m_bMinSpecified) {
-      std::ostringstream os;
-      os << "ymin " << m_dMinPixel;
-      plot.ezset (os.str());
-    }
-    
-    if (m_bMaxSpecified) {
-      std::ostringstream os;
-      os << "ymax " << m_dMaxPixel;
-      plot.ezset (os.str());
-    }
-    
-    plot.ezset("box");
-    plot.ezset("grid");
-    
-    double* pdXaxis = new double [iNRecords];
-    rPlotFile.getColumn (0, pdXaxis);
-    
-    double* pdY = new double [iNRecords];
-    for (int iCol = 1; iCol < iNColumns; iCol++) {
-      rPlotFile.getColumn (iCol, pdY);
-      plot.addCurve (pdXaxis, pdY, iNRecords);
-    }
-    
-    delete pdXaxis;
-    delete pdY;
-    
-    plot.plot();
+    if (m_pEZPlot)
+      m_pEZPlot->plot (&sgp);
   }
 }
 
 
 void 
-PlotFileView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint) )
+PlotFileView::OnUpdate (wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint) )
 {
-  if (m_canvas)
-    m_canvas->Refresh();
+  if (m_canvas) {
+    const PlotFile& rPlotFile = GetDocument()->getPlotFile();
+    const int iNColumns = rPlotFile.getNumColumns();
+    const int iNRecords = rPlotFile.getNumRecords();
+    
+    if (iNColumns > 0 && iNRecords > 0) {
+      if (m_pEZPlot)
+        delete m_pEZPlot;
+      m_pEZPlot = new EZPlot;
+      
+      for (int iEzset = 0; iEzset < rPlotFile.getNumEzsetCommands(); iEzset++)
+        m_pEZPlot->ezset (rPlotFile.getEzsetCommand (iEzset));
+      
+      if (m_bMinSpecified) {
+        std::ostringstream os;
+        os << "ymin " << m_dMinPixel;
+        m_pEZPlot->ezset (os.str());
+      }
+      
+      if (m_bMaxSpecified) {
+        std::ostringstream os;
+        os << "ymax " << m_dMaxPixel;
+        m_pEZPlot->ezset (os.str());
+      }
+      
+      m_pEZPlot->ezset("box");
+      m_pEZPlot->ezset("grid");
+      
+      double* pdXaxis = new double [iNRecords];
+      rPlotFile.getColumn (0, pdXaxis);
+      
+      double* pdY = new double [iNRecords];
+      for (int iCol = 1; iCol < iNColumns; iCol++) {
+        rPlotFile.getColumn (iCol, pdY);
+        m_pEZPlot->addCurve (pdXaxis, pdY, iNRecords);
+      }
+      
+      delete pdXaxis;
+      delete pdY;
+    }
+    
+    m_canvas->Refresh();
+  }
 }
 
 bool