diff --git a/pipeline/generateCatalog.py b/pipeline/generateCatalog.py
index 70828ef..a76482b 100755
--- a/pipeline/generateCatalog.py
+++ b/pipeline/generateCatalog.py
@@ -77,31 +77,6 @@ for sample in dataSampleList:
   if not os.access(zobovDir, os.F_OK):
     os.makedirs(zobovDir)
 
-  # save this sample's information
-  with open(zobovDir+"/sample_info.dat", 'w') as output:
-    pickle.dump(sample, output, pickle.HIGHEST_PROTOCOL)
-
-  fp = open(zobovDir+"/sample_info.txt", 'w')
-  fp.write("Sample name: %s\n" % sample.fullName)
-  fp.write("Sample nickname: %s\n" % sample.nickName)
-  fp.write("Data type: %s\n" % sample.dataType)
-  fp.write("Redshift range: %f - %f\n" %(sample.zBoundary[0],sample.zBoundary[1]))
-
-  #fp.write("Estimated mean particle separation: %g\n" % sample.minVoidRadius)
-
-  if (sample.dataType == "simulation"):
-    fp.write("Particles placed on lightcone: %g\n" % sample.useLightCone)
-    fp.write("Peculiar velocities included: %g\n" % sample.usePecVel)
-    if (len(sample.subsample) == 1):
-      fp.write("Additional subsampling fraction: %s\n" % sample.subsample)
-    else:
-      fp.write("Additional subsampling fraction: %s\n" % sample.subsample[-1])
-    fp.write("Simulation box length (Mpc/h): %g\n" % sample.boxLen)
-    fp.write("Simulation Omega_M: %g\n" % sample.omegaM)
-    fp.write("Number of simulation subvolumes: %s\n" % sample.numSubvolumes)
-    fp.write("My subvolume index: %s\n" % sample.mySubvolume)
-  fp.close()
-
 # ---------------------------------------------------------------------------
   if (startCatalogStage <= 1) and (endCatalogStage >= 1) and not sample.isCombo:
     print "  Extracting tracers from catalog...",
diff --git a/python_tools/pipeline_source/defaults.py b/python_tools/pipeline_source/defaults.py
index 360bfd6..c0b3328 100644
--- a/python_tools/pipeline_source/defaults.py
+++ b/python_tools/pipeline_source/defaults.py
@@ -121,6 +121,7 @@ haloFileVYCol = 4
 haloFileVZCol = 5
 haloFileColSep = ','
 haloFileNumComLines = 0
+haloFilePosRescale = 1.0 # rescaling necessary to get Mpc/h
 
 # adjust these two parameters given the memory contraints on your system:
 #   numZobovDivisions: how many sub-volumes per dimension will zobov process
diff --git a/python_tools/pipeline_source/prepareCatalogs.in.py b/python_tools/pipeline_source/prepareCatalogs.in.py
index abf8189..e2e28c8 100644
--- a/python_tools/pipeline_source/prepareCatalogs.in.py
+++ b/python_tools/pipeline_source/prepareCatalogs.in.py
@@ -681,9 +681,9 @@ if (args.halos or args.all) and haloFileBase != "":
           if iHalo < haloFileNumComLines: continue
           line = line.split(haloFileColSep)
           if minHaloMass == "none" or float(line[haloFileMCol]) > minHaloMass:
-            x  = float(line[haloFileXCol])
-            y  = float(line[haloFileYCol])
-            z  = float(line[haloFileZCol])
+            x  = float(line[haloFileXCol]) * haloFilePosRescale
+            y  = float(line[haloFileYCol]) * haloFilePosRescale
+            z  = float(line[haloFileZCol]) * haloFilePosRescale
             vz = float(line[haloFileVZCol])
             vy = float(line[haloFileVYCol])
             vx = float(line[haloFileVXCol])
diff --git a/python_tools/void_python_tools/backend/launchers.py b/python_tools/void_python_tools/backend/launchers.py
index b966e83..dab68b9 100644
--- a/python_tools/void_python_tools/backend/launchers.py
+++ b/python_tools/void_python_tools/backend/launchers.py
@@ -261,7 +261,26 @@ def launchGenerate(sample, binPath, workDir=None, inputDataDir=None,
  
   meanSep = (1.*numTracers/boxVol)**(-1/3.) 
 
-  fp = open(zobovDir+"/sample_info.txt", 'a')
+  # save this sample's information
+  with open(zobovDir+"/sample_info.dat", 'w') as output:
+    pickle.dump(sample, output, pickle.HIGHEST_PROTOCOL)
+
+  fp = open(zobovDir+"/sample_info.txt", 'w')
+  fp.write("Sample name: %s\n" % sample.fullName)
+  fp.write("Sample nickname: %s\n" % sample.nickName)
+  fp.write("Data type: %s\n" % sample.dataType)
+  fp.write("Redshift range: %f - %f\n" %(sample.zBoundary[0],sample.zBoundary[1]))
+  if (sample.dataType == "simulation"):
+    fp.write("Particles placed on lightcone: %g\n" % sample.useLightCone)
+    fp.write("Peculiar velocities included: %g\n" % sample.usePecVel)
+    if (len(sample.subsample) == 1):
+      fp.write("Additional subsampling fraction: %s\n" % sample.subsample)
+    else:
+      fp.write("Additional subsampling fraction: %s\n" % sample.subsample[-1])
+    fp.write("Simulation box length (Mpc/h): %g\n" % sample.boxLen)
+    fp.write("Simulation Omega_M: %g\n" % sample.omegaM)
+    fp.write("Number of simulation subvolumes: %s\n" % sample.numSubvolumes)
+    fp.write("My subvolume index: %s\n" % sample.mySubvolume)
   fp.write("Estimated volume (cubic Mpc/h): %g\n" % boxVol)
   fp.write("Number of real (non-boundary) tracers: %d\n" % numTracers)
   fp.write("Total number of tracers: %d\n" % numTotal)
@@ -310,8 +329,9 @@ def launchZobov(sample, binPath, zobovDir=None, logDir=None, continueRun=None,
 
     cmd = "./%s >> %s 2>&1" % (vozScript, logFile)
     os.system(cmd)
+#cmd = "%s/../c_tools/zobov2/jozov2/jozov2 %s %s %s %s %s %g %s >> %s 2>&1" % \
 
-    cmd = "%s/../c_tools/zobov2/jozov2/jozov2 %s %s %s %s %s %g %s >> %s 2>&1" % \
+    cmd = "%s/jozov %s %s %s %s %s %g %s >> %s 2>&1" % \
           (binPath, \
            zobovDir+"/adj_"+sampleName+".dat", \
            zobovDir+"/vol_"+sampleName+".dat", \