diff --git a/examples/make_pointings.py b/examples/make_pointings.py
new file mode 100755
index 0000000..b28dd1f
--- /dev/null
+++ b/examples/make_pointings.py
@@ -0,0 +1,164 @@
+#! /usr/bin/env python
+# ==========================================================================
+# This script simulates pointing patterns for CTA surveys.
+#
+# Usage:
+#   ./make_pointings.py
+#
+# ==========================================================================
+#
+# Copyright (C) 2015 Juergen Knoedlseder
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# ==========================================================================
+import gammalib
+import sys
+import math
+
+
+# ======================= #
+# Setup double row scheme #
+# ======================= #
+def set_double_row(lmin=-30.0, lmax=30.0, separation=3.0, hours=100.0):
+    """
+    Setup double row scheme.
+    """
+    # Initialise observation definition
+    obsdef = []
+
+    # Compute number of pointings in row
+    n_pnt_per_row = int((lmax-lmin)/separation+0.5)
+    n_pnt         = 2*n_pnt_per_row
+
+    # Compute offset from Galactic plane (degrees)
+    offset = separation * 0.5 * math.sqrt(0.75)
+
+    # Compute duration per pointing (seconds)
+    duration = hours*3600.0/float(n_pnt)
+
+    # Set upper row
+    lon = lmin
+    for i in range(n_pnt_per_row):
+        obs = {'lon': lon, 'lat': offset, 'duration': duration}
+        obsdef.append(obs)
+        lon += separation
+
+    # Set lower row
+    lon = lmin + 0.5*separation
+    for i in range(n_pnt_per_row):
+        obs = {'lon': lon, 'lat': -offset, 'duration': duration}
+        obsdef.append(obs)
+        lon += separation
+
+    # Return observation definition
+    return obsdef
+
+
+# =========================== #
+# Setup Galactic plane survey #
+# =========================== #
+def set_gps():
+    """
+    Setup Galactic plane survey.
+    """
+    # Initialise observation definition
+    obsdef = []
+
+    # Add inner region South
+    obsdef.extend(set_double_row(lmin=-60.0, lmax=60.0, hours=780))
+
+    # Add Vela & Carina region
+    obsdef.extend(set_double_row(lmin=240.0, lmax=300.0, hours=180))
+
+    # Add 210-240 region
+    obsdef.extend(set_double_row(lmin=210.0, lmax=240.0, hours=60))
+
+    # Add Cygnus, Perseus
+    obsdef.extend(set_double_row(lmin=60.0, lmax=150.0, hours=450))
+
+    # Add Anticentre
+    obsdef.extend(set_double_row(lmin=150.0, lmax=210.0, hours=150))
+
+    # Return observation definition
+    return obsdef
+
+
+# ======================================= #
+# Write observation definition dictionary #
+# ======================================= #
+def write_obsdef(filename, obsdef):
+    """
+    Write observation definition file.
+    """
+    # Open file
+    file = open(filename, 'w')
+
+    # Write header
+    file.write("ra,dec,duration\n")
+
+    # Loop over pointings
+    for obs in obsdef:
+
+        # If we have lon,lat then convert into RA,Dec
+        if "lon" in obs and "lat" in obs:
+            lon = obs["lon"]
+            lat = obs["lat"]
+            dir = gammalib.GSkyDir()
+            dir.lb_deg(lon,lat)
+            ra  = dir.ra_deg()
+            dec = dir.dec_deg()
+        else:
+            ra  = obs["ra"]
+            dec = obs["dec"]
+
+        # Write information
+        file.write("%8.4f,%8.4f,%.4f\n" % (ra, dec, obs["duration"]))
+
+    # Close file
+    file.close()
+
+    # Return
+    return
+    
+
+# ======================== #
+# Main routine entry point #
+# ======================== #
+if __name__ == '__main__':
+    """
+    CTA survey simulation.
+    """
+    # Initialise flags
+    need_help = False
+    
+    # Test for command line arguments
+    print(sys.argv[0])
+    if (len(sys.argv) > 1):
+        if sys.argv[1] == "-h":
+            need_help = True
+        else:
+            need_help = True
+
+    # Print help if needed and exit
+    if need_help:
+        print("Usage: make_pointing.py [OPTIONS]")
+        print("     -h       Display this usage message")
+        sys.exit()
+
+    # Test
+    obsdef = set_gps()
+
+    # Write observation definition file
+    write_obsdef("test.dat", obsdef)