Implement conditional output format for exports

Add export format option for output files. The user can now specify in the runtime.txt file if they want model output files to be in NetCDF (default) or CSV format.

Author: jgwalkup

src/dementpy.py

@@ -45,6 +45,7 @@ def main():
     pulse      = int(runtime.loc['pulse',1])         # number of pulses
     cycle      = int(runtime.loc['end_time',1])      # number of time steps in each pulse
     interval   = int(runtime.loc['interval',1])      # interval of time step to record outputs
+    Export_format = int(runtime.loc['output_CSV',1])      # interval of time step to record outputs
     mode       = int(runtime.loc['dispersal',1])     # 0:'default' or 1:'dispersal'
 
     #...Initialize data by calling the Function: Initialize_Data()
@@ -101,6 +102,9 @@ def main():
 
     #...export the Output_init object to the output_folder using the export() funtion in the utility module 
     os.chdir('../'+output_folder)
-    Output_init.export(outname)
+    if Export_format == 1:
+        Output_init.export_to_csv(outname)
+    else:
+        Output_init.export_to_netcdf(outname)
 
-main()
+main()