Index: trunk/SDToolBox/extract_sea_level_pressure_EARTH.py
===================================================================
diff -u -r47 -r52
--- trunk/SDToolBox/extract_sea_level_pressure_EARTH.py	(.../extract_sea_level_pressure_EARTH.py)	(revision 47)
+++ trunk/SDToolBox/extract_sea_level_pressure_EARTH.py	(.../extract_sea_level_pressure_EARTH.py)	(revision 52)
@@ -19,6 +19,8 @@
 
 # endregion
 
+# TODO not working, refactored code!!!
+
 class ExtractSeaLevelPressureEARTH:
 
     __lon_key = 'lon'
@@ -36,6 +38,8 @@
         self.__input_lon = input_data.input_coordinates[1]
 
     def subset_earth_v2(self, directory_path: str, year_from: int, year_to: int) :
+
+        variable_dict = {}
         ds_format = 'netCDF4'
         case_dataset_list = []
         years = generate_years_array_slp(year_from, year_to)
Index: trunk/SDToolBox/data_acquisition.py
===================================================================
diff -u -r48 -r52
--- trunk/SDToolBox/data_acquisition.py	(.../data_acquisition.py)	(revision 48)
+++ trunk/SDToolBox/data_acquisition.py	(.../data_acquisition.py)	(revision 52)
@@ -28,17 +28,18 @@
 
 class InputData:
 
+    # input scenarios for check
     input_coordinates = []
     input_variables = []
     input_years = []
     date_from = None
     date_to = None
+    input_EARTH_scenario = None
+    values_EARTH_scenarios = ['RCP45', 'RCP85', 'HIST']
 
     # These parameters are set in the extraction methods
     min_longitude = None
     max_longitude = None
-    lon_key = 'lon'
-    lat_key = 'lat'
 
     def validate(self):
         """Validates the data structure based on the given input
@@ -105,7 +106,24 @@
         self.input_years = sorted(set(self.input_years))
         return True
 
+    def validate_input_scenario(self):
+        """Validates the EARTH_Scenario is valid and refines the list
+        to avoid duplications and unordered years.
 
+        Arguments:
+            EART_ scenario {datetime} -- one of the scenarios.
+
+        Returns:
+            Boolean -- Dates validation.
+        """
+        # Verify date is valid.
+        if not self:
+            raise IOError(om.error_no_valid_list_of_years)
+        if input_EARTH_scenario not in values_EARTH_scenarios:
+            raise IOError(om.error_no_valid_list_of_years)
+        return True
+
+
 class OutputData:
 
     dim_station_key = 'station'
Index: trunk/SDToolBox/extract_data.py
===================================================================
diff -u -r47 -r52
--- trunk/SDToolBox/extract_data.py	(.../extract_data.py)	(revision 47)
+++ trunk/SDToolBox/extract_data.py	(.../extract_data.py)	(revision 52)
@@ -24,8 +24,6 @@
 
     _ds_format = 'netCDF4'
     _time_key = 'time'
-    _lon_key = 'longitude'
-    _lat_key = 'latitude'
     _input_lon = None
     _input_lat = None
     _input_variables = []
@@ -34,6 +32,7 @@
     _out_lon_key = data_acquisition.OutputData.var_lon_key
     _out_time_key = data_acquisition.OutputData.var_time_key
     _out_val_key = data_acquisition.OutputData.var_val_key
+    _input_EARTH_scenario = ' '
 
     def __init__(self, input_data: data_acquisition.InputData):
         """Initialize the waves extraction.
@@ -46,9 +45,8 @@
             raise IOError(om.error_no_valid_input_data)
 
         input_data.validate()
-        input_data.lon_key = self._lon_key
-        input_data.lat_key = self._lat_key
 
+        self._input_EARTH_scenario = input_data.input_EARTH_scenario
         self._input_variables = input_data.input_variables
         self._input_years = input_data.input_years
         self._input_lon, self._input_lat = zip(*input_data.input_coordinates)