File forgotten at last check-in.

git-svn-id: http://root.cern.ch/svn/root/trunk@23666 27541ba8-7e3a-0410-8455-c3a389f83636

graf3d/gl/inc/TGLCamera.h

@@ -174,6 +174,9 @@ public:
    TGLCamera(const TGLVector3 & hAxis, const TGLVector3 & vAxis);
    virtual ~TGLCamera();
 
+   virtual Bool_t IsOrthographic() const { return kFALSE; }
+   virtual Bool_t IsPersepective() const { return kFALSE; }
+
    const TGLMatrix& RefModelViewMatrix() const { return fModVM; }
 
    Bool_t IsCacheDirty() const { return fCacheDirty; }