diff --git a/crossCompare/analysis/datasetsToAnalyze.py b/crossCompare/analysis/datasetsToAnalyze.py
index 82cf9ac..88452f6 100755
--- a/crossCompare/analysis/datasetsToAnalyze.py
+++ b/crossCompare/analysis/datasetsToAnalyze.py
@@ -2,14 +2,14 @@
 
 
 workDir = "/home/psutter2/workspace/Voids/"
-figDir  = "./figs"
-dataDir = "./data"
+dataDir = "/home/psutter2/workspace/Voids/multidark/crossCompare/mergerTree/"
  
 
 CTOOLS_PATH = "../../c_tools/"
 
+baseSampleDir = "multidark/md_ss0.000175/sample_md_ss0.000175_z0.56_d00/"
+
 sampleDirList = [ 
-                  "multidark/md_ss0.000175/sample_md_ss0.000175_z0.56_d00/",
                   "multidark/md_ss0.0004/sample_md_ss0.0004_z0.56_d00/",
                 ]
 
diff --git a/crossCompare/analysis/mergerTree.py b/crossCompare/analysis/mergerTree.py
index 47a4179..89c5e13 100755
--- a/crossCompare/analysis/mergerTree.py
+++ b/crossCompare/analysis/mergerTree.py
@@ -30,30 +30,30 @@ if not os.access(filename, os.F_OK):
 parms = imp.load_source("name", filename)
 globals().update(vars(parms))
 
-if not os.access(figDir, os.F_OK):
-  os.makedirs(figDir)
+if not os.access(dataDir, os.F_OK):
+  os.makedirs(dataDir)
 
 outFileName = dataDir + "/" + dataNameBase #+ ".dat"
 
+with open(workDir+baseSampleDir+"/sample_info.dat", 'rb') as input:
+  baseSample = pickle.load(input)
+
 for (iSample, sampleDir) in enumerate(sampleDirList):
-  if iSample == 0: continue
 
   with open(workDir+sampleDir+"/sample_info.dat", 'rb') as input:
     sample = pickle.load(input)
 
-  with open(workDir+sampleDirList[0]+"/sample_info.dat", 'rb') as input:
-    baseSample = pickle.load(input)
-
-  print " Working with", sample.fullName, "..."
+  print " Working with", sample.fullName, "...",
 
   sampleName = sample.fullName
 
   binPath = CTOOLS_PATH+"/analysis/voidOverlap"
   logFile = os.getcwd()+"/mergerTree.log"
-  stepOutputFileName = outFileName + "_" + sampleName + "_"
+  stepOutputFileName = outFileName + "_" + baseSample.fullName + "_" + \
+                       sampleName + "_"
   #stepOutputFileName = os.getcwd()+"/data/overlap_"
 
-  launchVoidOverlap(baseSample, sample, workDir+sampleDirList[0], 
+  launchVoidOverlap(baseSample, sample, workDir+baseSampleDir, 
                     workDir+sampleDir, binPath, 
                     thisDataPortion="central", logFile=logFile,
                     continueRun=False, workDir=workDir,