@@ -1,5 +1,5 @@

 Package: CNEr 

-Version: 1.9.41

+Version: 1.9.42

 Date: 2016-10-04

 Title: CNE Detection and Visualization

 Description: Large-scale identification and advanced visualization 

@@ -31,6 +31,16 @@ CNEDensity <- function(dbName, tableName, chr, start, end,

   rangesPair <- readCNERangesFromSQLite(dbName, tableName, chr,

                                     context_start, context_end, 

                                     whichAssembly, minLength)

+  ## When no CNEs are returned

+  if(length(rangesPair) == 0L){

+    ans <- GRanges(seqnames=chr,

+                   ranges=IRanges(start=context_start,

+                                  end=context_end),

+                   strand="*",

+                   score=0)

+    return(ans)

+  }

+  

   if(whichAssembly == "first"){

     ranges <- first(rangesPair)

   }else if(whichAssembly == "second"){