Import Geant4 10.6.0.beta source tree

source/graphics_reps/include/G4VisExtent.hh

@@ -49,6 +49,7 @@
 
 #include "globals.hh"
 #include "G4Point3D.hh"
+#include "G4Transform3D.hh"
 
 class G4VisExtent
 {
@@ -62,6 +63,15 @@ public: // With description
   static const G4VisExtent& GetNullExtent ();
   G4bool operator != (const G4VisExtent& e) const;
   G4bool operator == (const G4VisExtent& e) const {return !operator!=(e);}
+
+  G4VisExtent& Transform (const G4Transform3D&);
+  // The above transforms the box defined by the 6 limits fXmin, fXmax,
+  // etc., and produces a new box that encloses the transformed box. If the
+  // transform includes a rotation the new box will likely be a good deal larger
+  // than the old one, but hey-ho, the concept of G4VisExtent requires the
+  // limits to be along the major axes and thus defines a box whose edges are
+  // parallel to the major axes. So use the above with care.
+
   G4double  GetXmin         () const;
   G4double  GetXmax         () const;
   G4double  GetYmin         () const;