Add possibility to launch an external rule

+ some plotter improvements
+ some namelist improvements
+ add datacube extraction

aggregator.py

@@ -2,8 +2,10 @@
 
 import numpy as np
 from functools import partial
+from baseprocessor import Rule
 import snapshotprocessor
 
+
 try:
     from mpi4py.futures import MPIPoolExecutor
 
@@ -25,9 +27,8 @@ def _map_aux(fun, path, path_out, params, run_num, **kwargs):
     return fun(snap, **kwargs)
 
 
-def _map_rule(snap, rule, arg, overwrite, overwrite_dep):
-    return snap.process(rule, arg, overwrite, overwrite_dep)
-
+def _map_rule(snap, rule, **kwargs):
+    return snap.process(rule, **kwargs)
 
 class Aggregator:
     def get_snap_list(self, select=None):
@@ -41,8 +42,11 @@ class Aggregator:
 
     def map(self, func, select=None, num_process=None, **kwargs):
 
-        snaps = self.get_snap_list(select)
+        if isinstance(func, Rule):
+            return self.map(_map_rule, select, num_process, rule=func, **kwargs)
 
+        snaps = self.get_snap_list(select)
+           
         if num_process is None:
             num_process = self.params.process.num_process