Resolve "Muon Propagation"

Closes #8 (closed)

km3buu/utils/initials.py

@@ -6,15 +6,17 @@
 Initialisation script for different KM3BUU parts
 
 Usage:
-    initials.py (--proposal)
+    initials.py (--proposal=PROPOSAL_PATH)
     initials.py (-h | --help)
 
     PROPOSAL    setup crosssection tables of proposal based on the standard settings used in KM3BUU
 Options:
-    -h --help   Show this screen.
+    -h --help                 Show this screen.
+    --proposal=PROPOSAL_PATH  Do PROPOSAL initialisations and write tables to PP_PATH
 
 """
 import logging
+from pathlib import Path
 
 FORMAT = '%(asctime)s %(levelname)s %(filename)s -- %(message)s'
 logging.basicConfig(format=FORMAT)
@@ -26,13 +28,14 @@ def main():
     args = docopt(__doc__)
     if args['--proposal']:
         from km3buu.config import Config
-        tablepath = Config().proposal_itp_tables
+        tablepath = Path(args['--proposal'])
+        tablepath.mkdir(parents=True, exist_ok=True)
+        Config().proposal_itp_tables = str(tablepath.absolute())
         logging.info(f"Writing PROPOSAL tables to: {tablepath}")
 
-        from km3buu.propagation import _setup_utility, PROPOSAL_LEPTON_DEFINITIONS, PROPOSAL_TARGET_WATER
+        from km3buu.propagation import _setup_utility, PROPOSAL_LEPTON_DEFINITIONS, PROPOSAL_TARGET_WATER, PROPOSAL_TARGET_ROCK
         import proposal as pp
 
-        pp.InterpolationSettings.tables_path = '.'
         _setup_utility(PROPOSAL_LEPTON_DEFINITIONS[13](),
                        PROPOSAL_TARGET_WATER)
         _setup_utility(PROPOSAL_LEPTON_DEFINITIONS[15](),