diff --git a/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py b/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py
index 983639a9e1101a717fd458e7262f39bdd703a3c7..d263c25d6dec87b637d2f4f5890df1aebf762288 100644
--- a/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py
+++ b/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py
@@ -48,8 +48,8 @@ class AltitudeHypercubeVisualizer(AbstractHypercubeVisualizer):
         return series, df_bool
 
     def subtitle_to_reduction_function(self, reduction_function, level=None, add_detailed_plot=False, subtitle=None):
-        def reduction_function_with_level(df_bool):
-            return reduction_function(df_bool) if level is None else reduction_function(df_bool, level)
+        def reduction_function_with_level(df_bool, **kwargs):
+            return reduction_function(df_bool, **kwargs) if level is None else reduction_function(df_bool, level, **kwargs)
 
         if subtitle is None:
             subtitle = self.study.variable_name
@@ -136,7 +136,7 @@ class AltitudeHypercubeVisualizer(AbstractHypercubeVisualizer):
         return 1
 
     def visualize_year_trend_test(self, axes=None, marker='o', add_detailed_plots=False):
-        def year_reduction(df):
+        def year_reduction(df, **kwargs):
             # Take the mean with respect to all the first axis indices
             return df.mean(axis=0)
 
diff --git a/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_year_hypercube_visualizer.py b/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_year_hypercube_visualizer.py
index 0f058abad91e8204f5466f9108dd3deec01d9c80..3f092f83b4445e8a68e2c767b6e838c5dc0b271c 100644
--- a/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_year_hypercube_visualizer.py
+++ b/experiment/meteo_france_data/visualization/hypercube_visualization/altitude_year_hypercube_visualizer.py
@@ -16,9 +16,13 @@ class Altitude_Hypercube_Year_Visualizer(AltitudeHypercubeVisualizer):
         return super().nb_axes + 1
 
     @staticmethod
-    def index_reduction(df, level):
+    def index_reduction(df, level, **kwargs):
+        replace_zero_with_nan = kwargs.get('replace_zero_with_nan')
         # Take the sum with respect to the years, replace any missing data with np.nan
-        df = df.sum(axis=1).replace(0.0, np.nan)
+        if replace_zero_with_nan:
+            df = df.sum(axis=1).replace(0.0, np.nan)
+        else:
+            df = df.sum(axis=1)
         # Take the mean with respect to the level of interest
         return df.mean(level=level)
 
@@ -28,6 +32,6 @@ class Altitude_Hypercube_Year_Visualizer(AltitudeHypercubeVisualizer):
         df = df_bool.copy()
         df = (df * df.columns)[df_bool]
         # Reduce and append
-        serie = reduction_function(df)
+        serie = reduction_function(df, replace_zero_with_nan=True)
         series.append(serie)
         return series, df_bool
diff --git a/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py b/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py
index 6df7f7e63e58564960be94910027695b39759d0f..1437e9a47e365e4302847e3400f2ad4dc01f9654 100644
--- a/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py
+++ b/experiment/meteo_france_data/visualization/hypercube_visualization/main_hypercube_visualization.py
@@ -76,8 +76,8 @@ def fast_altitude_hypercube():
 def fast_altitude_year_hypercube():
     save_to_file = False
     only_first_one = False
-    fast = True
-    altitudes = ALL_ALTITUDES[2:4]
+    nb_data_reduced_for_speed = True
+    altitudes = [ALL_ALTITUDES[3], ALL_ALTITUDES[-7]]
     for study_class in SCM_STUDIES[:1]:
         for trend_test_class in [GevLocationChangePointTest, GevScaleChangePointTest, GevShapeChangePointTest][:1]:
             visualizers = [StudyVisualizer(study, temporal_non_stationarity=True, verbose=False, multiprocessing=True)
@@ -85,10 +85,10 @@ def fast_altitude_year_hypercube():
                                                        altitudes=altitudes)]
             altitude_to_visualizer = OrderedDict(zip(altitudes, visualizers))
             visualizer = Altitude_Hypercube_Year_Visualizer(altitude_to_visualizer, save_to_file=save_to_file,
-                                                            trend_test_class=trend_test_class, fast=fast)
+                                                            trend_test_class=trend_test_class, nb_data_reduced_for_speed=nb_data_reduced_for_speed)
             visualizer.visualize_year_trend_test()
-            # visualizer.visualize_massif_trend_test()
-            # visualizer.visualize_altitude_trend_test()
+            visualizer.visualize_massif_trend_test()
+            visualizer.visualize_altitude_trend_test()
 
 
 def full_altitude_year_hypercube():
@@ -134,8 +134,8 @@ def fast_quantity_altitude_hypercube():
 
 def main_run():
     # fast_altitude_hypercube()
-    # fast_altitude_year_hypercube()
-    full_altitude_year_hypercube()
+    fast_altitude_year_hypercube()
+    # full_altitude_year_hypercube()
     # fast_quantity_altitude_hypercube()
     # full_quantity_altitude_hypercube()