A number of improvements

1. Fixed maximum number for distance refinement (see #279 )
2. Updated wind tunnel default parameters based on @TheodoreGalanos's
suggestions

Author: mostaphaRoudsari

butterfly/refinementRegion.py

@@ -1,5 +1,6 @@
 # coding=utf-8
 """Butterfly refinement region."""
+import sys
 from copy import deepcopy
 from .geometry import _BFMesh
 from .geometry import bfGeometryFromStlFile
@@ -113,7 +114,7 @@ class Inside(_RefinementMode):
 
     def __init__(self, level):
         """Create an Inside RefinementMode."""
-        _RefinementMode.__init__(self, ((1e15, int(level)),))
+        _RefinementMode.__init__(self, ((sys.maxint - 100, int(level)),))
 
     def __repr__(self):
         """representation."""
@@ -137,7 +138,7 @@ def refinementModeFromDict(d):
     """Create a Refinement mode from a python dictionary.
 
     The dictionary should have two keys for model and levels.
-    {'levels': '((1000000000000000.0 4) )', 'mode': 'inside'}
+    {'levels': '((1000000000000000 4) )', 'mode': 'inside'}
     """
     mode = d['mode']
 

butterfly/windtunnel.py

@@ -265,7 +265,7 @@ class TunnelParameters(object):
         leeward: Multiplier value for leeward extension (default: 15).
     """
 
-    def __init__(self, windward=3, top=3, side=2, leeward=15):
+    def __init__(self, windward=3, top=5, side=5, leeward=15):
         """Init wind tunnel parameters."""
         self.windward = self.__checkInput(windward)
         self.top = self.__checkInput(top)