Tons of fixes in python binder. Loadgadget slightly more verbose

python/cosmotool/__init__.py

@@ -1,2 +1,57 @@
 from _cosmotool import *
 from borg import read_borg_vol
+
+
+class SimulationBare(PySimulationBase):
+
+  def __init__(self):
+    pass
+        
+  def getPositions(self):
+    return self.positions
+    
+  def getVelocities(self):
+    return self.velocities
+    
+  def getIdentifiers(self):
+    return self.identifiers
+
+  def getTime(self):
+    return self.time
+    
+  def getHubble(self):
+    return self.Hubble
+
+  def getBoxsize(self):
+    return self.boxsize
+
+  def getOmega_M(self):
+    return self.Omega_M
+
+  def getOmega_Lambda(self):
+    return self.Omega_Lambda
+
+
+def simpleWriteGadget(filename, positions, boxsize=1.0, Hubble=100, Omega_M=0.30, time=1, velocities=None, identifiers=None):
+
+  s = SimulationBare()
+  
+  s.positions = positions
+  
+  if velocities:
+    s.velocities = velocities
+  else:
+    s.velocities = [np.zeros(positions[0].size,dtype=np.float32)]*3
+    
+  if identifiers:
+    s.identifiers = identifiers
+  else:
+    s.identifiers = np.arange(positions[0].size, dtype=np.int64)
+    
+  s.Hubble = Hubble
+  s.time = time
+  s.Omega_M = Omega_M
+  s.Omega_Lambda = 1-Omega_M
+  s.boxsize = boxsize
+    
+  writeGadget(filename, s)

python/cosmotool/borg.py

@@ -11,16 +11,8 @@ import glob
 class BorgVolume(object):
 
     def __init__(self, density, ranges):
-        self._density = density
-        self._ranges = ranges
-
-    property density:
-        def __get__(self):
-            return self._density
-
-    property ranges:
-        def __get__(self):
-            return self._ranges
+        self.density = density
+        self.ranges = ranges
 
 def build_filelist(fdir):
     #builds list of all borg density fields which may be distributed over several directories