diff --git a/lib/BtCore.py b/lib/BtCore.py
index 6d55941..f78586e 100644
--- a/lib/BtCore.py
+++ b/lib/BtCore.py
@@ -145,7 +145,7 @@ def getPlotData(self, rank, min_length, hide_nohits, taxrule, c_index, catcolour
         data_dict = {}
         read_cov_dict = {}
         max_cov = 0.0
-        print self.covLibs
+
         cov_lib_dict = self.covLibs
         #print cov_lib_dict
         cov_lib_names_l = self.covLibs.keys() # does not include cov_sum
diff --git a/lib/BtIO.py b/lib/BtIO.py
index 3cea3cf..b3a80cd 100644
--- a/lib/BtIO.py
+++ b/lib/BtIO.py
@@ -246,7 +246,11 @@ def getNodesDB(**kwargs):
     '''
     nodesDB = {}
     nodesDB_f = ''    
-    if (kwargs['names'] and kwargs['nodes']):
+    if (kwargs['nodesDB']):
+        print BtLog.status_d['4'] % (kwargs['nodesDB'])
+        nodesDB = readNodesDB(kwargs['nodesDB'])
+        nodesDB_f = kwargs['nodesDB']
+    elif (kwargs['names'] and kwargs['nodes']):
         print BtLog.status_d['3'] % (kwargs['nodes'], kwargs['names'])
         nodesDB = {}
         nodes_count = 0
@@ -266,10 +270,6 @@ def getNodesDB(**kwargs):
                    nodesDB[names_col[0]]['name'] = names_col[2]
         nodesDB_f = kwargs['nodesDB']
         nodesDB['nodes_count'] = nodes_count
-    elif(kwargs['nodesDB']):
-        print BtLog.status_d['4'] % (kwargs['nodesDB'])
-        nodesDB = readNodesDB(kwargs['nodesDB'])
-        nodesDB_f = kwargs['nodesDB']
     else:
         BtLog.error('3')
     return nodesDB, nodesDB_f
diff --git a/plot.py b/plot.py
index 32db099..630c535 100644
--- a/plot.py
+++ b/plot.py
@@ -138,8 +138,8 @@
     if taxrule not in blobDB.taxrules:
         BtLog.error('11', taxrule, blobDB.taxrules)
     
-    data_dict, max_cov, cov_lib_dict = blobDB.getPlotData(rank, min_length, hide_nohits, taxrule, c_index, catcolour_dict)
-    plotObj = BtPlot.PlotObj(data_dict, cov_lib_dict)
+    data_dict, max_cov, cov_libs, cov_libs_total_reads = blobDB.getPlotData(rank, min_length, hide_nohits, taxrule, c_index, catcolour_dict)
+    plotObj = BtPlot.PlotObj(data_dict, cov_libs, cov_libs_total_reads)
     plotObj.exclude_groups = exclude_groups
     plotObj.format = format
     plotObj.max_cov = max_cov
@@ -164,7 +164,7 @@
         if (plotObj.title):
             plotObj.title = "%s.%s.%s" % (title, taxrule, cov_lib)
 
-        out_f = "%s.%s.%s.p%s" % (title, hist_type, rank, max_group_plot)
+        out_f = "%s.%s.%s.p%s.%s" % (title, hist_type, rank, max_group_plot, cov_lib)
         if out_prefix:
             out_f = "%s.%s" % (out_prefix, out_f)
         if catcolour_dict: