diff --git a/3Depict-0.0.4-gl-startup.patch b/3Depict-0.0.4-gl-startup.patch
new file mode 100644
index 0000000..bf81202
--- /dev/null
+++ b/3Depict-0.0.4-gl-startup.patch
@@ -0,0 +1,79 @@
+diff -r 50a287e4484b src/3Depict.cpp
+--- src/3Depict.cpp	Mon Mar 07 01:33:27 2011 +0000
++++ src/3Depict.cpp	Sun Mar 13 00:53:01 2011 +0000
+@@ -281,7 +281,7 @@
+ MainWindowFrame::MainWindowFrame(wxWindow* parent, int id, const wxString& title, const wxPoint& pos, const wxSize& size, long style):
+     wxFrame(parent, id, title, pos, size, style)
+ {
+-
++	initedOK=false;
+ 	programmaticEvent=false;
+ 	fullscreenState=0;
+ 	//Set up the program icon handler
+@@ -324,6 +324,14 @@
+     splitterSpectra = new wxSplitterWindow(noteDataView, ID_SPLIT_SPECTRA, wxDefaultPosition, wxDefaultSize, wxSP_3D|wxSP_BORDER);
+     window_2_pane_2 = new wxPanel(splitterSpectra, wxID_ANY);
+     panelTop = new BasicGLPane(splitTopBottom);
++
++    //I had to work this out by studying the construtor
++    if(!panelTop->m_glContext)
++    {
++	    cerr << "Unable to initialise the openGL panel. Program cannot start. Please check your video drivers." << endl;
++	    return;
++    }
++
+     panelLeft = new wxPanel(splitLeftRight, wxID_ANY);
+     notebookControl = new wxNotebook(panelLeft, ID_NOTEBOOK_CONTROL, wxDefaultPosition, wxDefaultSize, wxNB_RIGHT);
+     noteTools = new wxPanel(notebookControl, ID_NOTE_PERFORMANCE, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL);
+@@ -661,7 +669,7 @@
+ 	delete paths;
+ 	//-----------------
+ 
+-	   
++	initedOK=true;   
+ 
+ 
+ 	updateTimer->Start(UPDATE_TIMER_DELAY,wxTIMER_CONTINUOUS);
+@@ -4208,7 +4216,7 @@
+ {
+ 
+     //Register signal handler for backtraces
+-        if (!wxApp::OnInit())
++    if (!wxApp::OnInit())
+     	return false; 
+ 
+     //Need to seed random number generator for entire program
+@@ -4220,6 +4228,10 @@
+     
+     wxInitAllImageHandlers();
+     MainFrame = new MainWindowFrame(NULL, wxID_ANY, wxEmptyString);
++
++    if(!MainFrame->initOK())
++	    return false;
++    
+     SetTopWindow(MainFrame);
+ 
+ #ifdef DEBUG
+diff -r 50a287e4484b src/3Depict.h
+--- src/3Depict.h	Mon Mar 07 01:33:27 2011 +0000
++++ src/3Depict.h	Sun Mar 13 00:53:01 2011 +0000
+@@ -108,6 +108,8 @@
+ 	
+ 	//!Current fullscreen status
+ 	unsigned int fullscreenState;
++
++	bool initedOK;
+ protected:
+     wxTimer *statusTimer;
+     wxTimer *progressTimer;
+@@ -301,6 +303,10 @@
+ 
+     virtual void SetCommandLineFiles(wxArrayString &files);
+     virtual void updateLastRefreshBox();
++
++
++    bool initOK() const {return initedOK;}
++
+ }; // wxGlade: end class
+ 
+ 
diff --git a/3Depict.spec b/3Depict.spec
index 5f1664a..0e74639 100644
--- a/3Depict.spec
+++ b/3Depict.spec
@@ -1,6 +1,6 @@
 Name:		3Depict
 Version:	0.0.4
-Release:	3%{?dist}
+Release:	4%{?dist}
 Summary:	Valued 3D point cloud visualization and analysis
 Group:		Applications/Engineering
 
@@ -13,6 +13,8 @@ BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 #Fedora specific texture path install location
 Patch0:	%{name}-%{version}-texture-path.patch
+#Fix bug for opengl startup crash on initalisiation fail
+Patch1:	%{name}-%{version}-gl-startup.patch
 
 #Mathgl for plotting
 BuildRequires:	mathgl-devel 
@@ -44,6 +46,7 @@ useful for general scalar valued point data purposes.
 %prep
 %setup -q 
 %patch0
+%patch1
 
 %build
 #--enable-openmp-parallel does not work -- there is a bug in the
@@ -97,6 +100,9 @@ rm -rf %{buildroot}
 
 
 %changelog
+* Sat Mar 13 2011 D Haley <mycae(a!t)yahoo.com> - 0.0.4-4
+- Patch opengl startup code -- peek at gl context. Possible fix for bug 684390
+
 * Sat Feb 12 2011 D Haley <mycae(a!t)yahoo.com> - 0.0.4-3
 -  Fix bug 677016