Index: trunk/MagicSoft/Mars/mgui/MAitoff.cc
===================================================================
--- trunk/MagicSoft/Mars/mgui/MAitoff.cc	(revision 2281)
+++ trunk/MagicSoft/Mars/mgui/MAitoff.cc	(revision 2281)
@@ -0,0 +1,86 @@
+/* ======================================================================== *\
+!
+! *
+! * This file is part of MARS, the MAGIC Analysis and Reconstruction
+! * Software. It is distributed to you in the hope that it can be a useful
+! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
+! * It is distributed WITHOUT ANY WARRANTY.
+! *
+! * Permission to use, copy, modify and distribute this software and its
+! * documentation for any purpose is hereby granted without fee,
+! * provided that the above copyright notice appear in all copies and
+! * that both that copyright notice and this permission notice appear
+! * in supporting documentation. It is provided "as is" without express
+! * or implied warranty.
+! *
+!
+!
+!   Author(s): Thomas Bretz, 7/2003 <mailto:tbretz@astro.uni-wuerzburg.de>
+!
+!   Copyright: MAGIC Software Development, 2000-2003
+!
+!
+\* ======================================================================== */
+
+//////////////////////////////////////////////////////////////////////////////
+//
+// MAitoff
+//
+//////////////////////////////////////////////////////////////////////////////
+#include "MAitoff.h"
+
+#include <TMath.h>
+#include <TMarker.h>
+#include <TVirtualPad.h>
+
+#include "MH.h"
+
+ClassImp(MAitoff);
+
+using namespace std;
+
+void MAitoff::Transform(Double_t lon, Double_t lat, Double_t &x, Double_t &y)
+{
+    Double_t b = lon;
+    Double_t sa = lat;
+
+    Double_t alpha2 = sa/kRad2Deg /2.;
+    Double_t delta = b/kRad2Deg;
+
+    Double_t r2 = sqrt(2.);
+    Double_t f = 2.*r2/TMath::Pi();
+    Double_t cdec = cos(delta);
+    Double_t denom = sqrt(1.+cdec*cos(alpha2));
+    x = cdec*sin(alpha2)*2.*r2/denom;
+    y = sin(delta);
+
+    x /= f/kRad2Deg;
+    y /= f/kRad2Deg;
+}
+
+void MAitoff::Draw(Option_t *)
+{
+    if (!gPad)
+        MH::MakeDefCanvas();
+
+    gPad->Range(-200, -80, 200, 80);
+
+    TMarker m;
+    Double_t x, y;
+
+    for (int i=-180; i<180; i+=3) { Transform( 60, i, x, y); m.DrawMarker(x, y); }
+    for (int i=-180; i<180; i+=3) { Transform( 30, i, x, y); m.DrawMarker(x, y); }
+    for (int i=-180; i<180; i+=3) { Transform(  0, i, x, y); m.DrawMarker(x, y); }
+    for (int i=-180; i<180; i+=3) { Transform(-30, i, x, y); m.DrawMarker(x, y); }
+    for (int i=-180; i<180; i+=3) { Transform(-60, i, x, y); m.DrawMarker(x, y); }
+
+    for (int i=-90; i<90; i++) { Transform(i, -180, x, y); m.DrawMarker(x, y); }
+    for (int i=-90; i<90; i++) { Transform(i, -135, x, y); m.DrawMarker(x, y); }
+    for (int i=-90; i<90; i++) { Transform(i,  -90, x, y); m.DrawMarker(x, y); }
+    for (int i=-90; i<90; i++) { Transform(i,  -45, x, y); m.DrawMarker(x, y); }
+    for (int i=-90; i<90; i++) { Transform(i,    0, x, y); m.DrawMarker(x, y); }
+    for (int i=-90; i<90; i++) { Transform(i,   45, x, y); m.DrawMarker(x, y); }
+    for (int i=-90; i<90; i++) { Transform(i,   90, x, y); m.DrawMarker(x, y); }
+    for (int i=-90; i<90; i++) { Transform(i,  135, x, y); m.DrawMarker(x, y); }
+    for (int i=-90; i<90; i++) { Transform(i,  180, x, y); m.DrawMarker(x, y); }
+}
Index: trunk/MagicSoft/Mars/mgui/MAitoff.h
===================================================================
--- trunk/MagicSoft/Mars/mgui/MAitoff.h	(revision 2281)
+++ trunk/MagicSoft/Mars/mgui/MAitoff.h	(revision 2281)
@@ -0,0 +1,31 @@
+#ifndef MARS_MAitoff
+#define MARS_MAitoff
+
+//////////////////////////////////////////////////////////////
+//
+//   MAitoff
+//
+//   A Hexagon for the MAGIC event display
+//
+//////////////////////////////////////////////////////////////
+
+#ifndef MARS_MAGIC
+#include "MAGIC.h"
+#endif
+
+#ifndef ROOT_TPad
+#include <TPad.h>
+#endif 
+
+class MAitoff
+{
+public:
+    static void Transform(Double_t lon, Double_t lat, Double_t &x, Double_t &y);
+
+    void Draw(Option_t *o="");
+
+    ClassDef(MAitoff, 1)    // A hexagon for MAGIC
+};
+
+#endif
+