Github #1091 Add support for defining plot's extent

parm/use_cases/model_applications/tc_and_extra_tc/Plotter_fcstGFS_obsGFS_ExtraTC.conf

@@ -26,7 +26,6 @@ TC_PAIRS_OUTPUT_TEMPLATE = {date?fmt=%Y%m}/{basin?fmt=%s}q{date?fmt=%Y%m%d%H}.gf
 # EXTRA TROPICAL CYCLONE PLOT OPTIONS...
 #
 PROCESS_LIST = TCPairs, CyclonePlotter
-
 LOOP_ORDER = processes
 LOOP_BY = init
 
@@ -134,6 +133,30 @@ CYCLONE_PLOTTER_MODEL = GFSO
 CYCLONE_PLOTTER_PLOT_TITLE = Model Forecast Storm Tracks
 
 ##
+# Indicate the region of the globe to plot
+#
+
+# Set to Y[y]es or True to plot entire global extent. N[n]o or False
+# to generate a plot of a defined region of the world, then define lons and
+# lats below.
+CYCLONE_PLOTTER_GLOBAL_PLOT = no
+
+# Define longitude and latitude values if CYCLONE_PLOTTER_GLOBAL_PLOT
+# is set to False or N[n]o to define the region of the world to plot.
+# longitudes can range from -180 to 180 degrees and latitudes from -90 to 90 degrees
+
+# Northern Hemisphere
+CYCLONE_PLOTTER_WEST_LON = -179
+CYCLONE_PLOTTER_EAST_LON = 181
+CYCLONE_PLOTTER_SOUTH_LAT = 0
+CYCLONE_PLOTTER_NORTH_LAT = 90
+
+# WESTERN PACIFIC
+# CYCLONE_PLOTTER_WEST_LON = 105
+# CYCLONE_PLOTTER_EAST_LON = 180
+# CYCLONE_PLOTTER_SOUTH_LAT = 0
+# CYCLONE_PLOTTER_NORTH_LAT = 50
+
 #  Indicate the size of symbol (point size)
 CYCLONE_PLOTTER_CIRCLE_MARKER_SIZE = 2
 CYCLONE_PLOTTER_CROSS_MARKER_SIZE = 3