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+Recognized preprocessor switches
+================================
+
+ - TIMELOG=t: enable time logging (also for product builds)
+
+
+Debug tools overview
+====================
+
+nodetree.sh:
+
+ Generates a number of tree graphs from a trace output file, showing
+ the tree of AnimationNodes at various instances of the
+ slideshow. Each node has a fill color corresponding to its current
+ state, a legend for the color values can be obtained by the colors.sh
+ script.
+ To generate output at other instances, use the DEBUG_NODES_SHOWTREE
+ macro in animationnodefactory.cxx.
+