2 files changed, 7 insertions, 1 deletions
diff --git a/lib/opentox.rb b/lib/opentox.rb
index 9564e9c..ad18e60 100644
--- a/lib/opentox.rb
+++ b/lib/opentox.rb
@@ -1,7 +1,8 @@
 # defaults to stderr, may be changed to file output (e.g in opentox-service)
 $logger = OTLogger.new(STDERR) 
 $logger.level = Logger::DEBUG
-
+#$logger.level = ENV['RACK_ENV'] == 'production' ? Logger::ERROR : Logger::DEBUG
+ 
 module OpenTox
   #include RDF CH: leads to namespace clashes with URI class
 
diff --git a/lib/overwrite.rb b/lib/overwrite.rb
index c96c2d8..6e95165 100644
--- a/lib/overwrite.rb
+++ b/lib/overwrite.rb
@@ -6,6 +6,11 @@ class Object
     respond_to?(:empty?) ? empty? : !self
   end
 
+  # Returns dimension of nested arrays
+  def dimension
+    self.class == Array ? 1 + self[0].dimension : 0
+  end
+
   def numeric?
     true if Float(self) rescue false
   end