Index: /trunk/MagicSoft/Mars/Changelog
===================================================================
--- /trunk/MagicSoft/Mars/Changelog	(revision 1697)
+++ /trunk/MagicSoft/Mars/Changelog	(revision 1698)
@@ -8,4 +8,5 @@
        introduced: fReflectivity and fWavelength.
      - Member function to set reflectivity added: SetReflectivity
+     - Member function to set TArrayF size: SetArraySize
      - Class version number changed to 2.
 
Index: /trunk/MagicSoft/Mars/mgeom/MGeomMirror.h
===================================================================
--- /trunk/MagicSoft/Mars/mgeom/MGeomMirror.h	(revision 1697)
+++ /trunk/MagicSoft/Mars/mgeom/MGeomMirror.h	(revision 1698)
@@ -51,4 +51,6 @@
     void  SetReflectivity(const TArrayF &wav, const TArrayF &ref);
 
+    void    SetArraySize(Int_t dim) { fWavelength.Set(dim); fReflectivity.Set(dim); }
+
     ClassDef(MGeomMirror, 2)  // geometry class describing one mirror
 };